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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.475 by root, Tue Jul 21 06:17:00 2009 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 qw(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::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		79
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	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		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
38		84
39	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
		89	our %EXT_MAP = (); # pluggable maps
42		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	92	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		93
46	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
47	our $TICK_WATCHER;	95	our $DATADIR = datadir;
		96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	112	our $NEXT_TICK;
49	our $NOW;	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
		117	our $BDB_TRICKLE_WATCHER;
		118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
50		121
51	our %CFG;	122	our %CFG;
52		123
53	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
55		127
56	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	130	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		131
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	132	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
63		144
64	binmode STDOUT;	145	binmode STDOUT;
65	binmode STDERR;	146	binmode STDERR;
66		147
67	# read virtual server time, if available	148	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
72	}	153	}
73		154
74	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		156
80	# a special map that is always available	157	mkdir $_
81	our $LINK_MAP;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		159
82	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
		161
		162	sub cf::map::normalise;
83		163
84	#############################################################################	164	#############################################################################
85		165
86	=head2 GLOBAL VARIABLES	166	=head2 GLOBAL VARIABLES
87		167
…		…
94	=item $cf::RUNTIME	174	=item $cf::RUNTIME
95		175
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	177	every server tick.
98		178
99	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		182
101	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
103		187
104	=item $cf::NOW	188	=item $cf::NOW
105		189
106	The time of the last (current) server tick.	190	The time of the last (current) server tick.
107		191
108	=item $cf::TICK	192	=item $cf::TICK
109		193
110	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
111		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
112	=item %cf::CFG	206	=item %cf::CFG
113		207
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	209	from wherever your confdir points to.
116		210
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		212
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
123		222
124	=back	223	=back
125		224
126	=cut	225	=cut
127		226
128	BEGIN {	227	BEGIN {
129	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	229	my $msg = join "", @_;
131	utf8::encode $msg;
132		230
133	$msg .= "\n"	231	$msg .= "\n"
134	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
135		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
136	LOG llevError, $msg;	236	LOG llevError, $msg;
137	};	237	};
138	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
139		254
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		262
147	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	264	# within the Safe compartment.
149	for my $pkg (qw(	265	for my $pkg (qw(
150	cf::global cf::attachable	266	cf::global cf::attachable
151	cf::object cf::object::player	267	cf::object cf::object::player
152	cf::client cf::player	268	cf::client cf::player
153	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
154	cf::map cf::party cf::region	271	cf::party cf::region
155	)) {	272	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	274	}
159		275
160	$Event::DIED = sub {	276	$EV::DIED = sub {
161	warn "error in event callback: @_";	277	warn "error in event callback: @_";
162	};	278	};
		279
		280	#############################################################################
163		281
164	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
165		283
166	=over 4	284	=over 4
167		285
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	305	$d
188	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
189	}	307	}
190		308
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
194		310
195	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
196		312
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
205		314
206	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
207		316
208	=cut	317	=cut
209		318
210	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
212	JSON::Syck::Dump $_[0]	321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
213	}	336	}
214		337
215	=item cf::lock_wait $string	338	=item cf::lock_wait $string
216		339
217	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
218		341
219	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
220		343
221	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
224	returned.	347	returned.
225		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
226	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
228		354
229	=cut	355	=item $locked = cf::lock_active $string
230		356
231	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
232		362
233	sub lock_wait($) {	363	sub lock_wait($) {
234	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	365	}
242		366
243	sub lock_acquire($) {	367	sub lock_acquire($) {
244	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
245		370
246	# wait, to be sure we are not locked	371	sub lock_active($) {
247	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	373	}
256		374
257	sub freeze_mainloop {	375	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
259		377
260	my $guard = Coro::guard { $TICK_WATCHER->start };	378	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	379	}
262	$guard	380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
		439	}
		440	};
		441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
263	}	454	}
264		455
265	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
266		457
267	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		463
273	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
274		465
275	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
276		467
277	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
280		472
281	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
284	fast or be very important.	476	fast or be very important.
…		…
287		479
288	sub sync_job(&) {	480	sub sync_job(&) {
289	my ($job) = @_;	481	my ($job) = @_;
290		482
291	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
292	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
294		488
295	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	490
297	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
298		492
299	my $busy = 1;	493	my $busy = 1;
300	my @res;	494	my @res;
301		495
302	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	498	@res = eval { $job->() };
304	warn $@ if $@;	499	warn $@ if $@;
305	undef $busy;	500	undef $busy;
306	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
307		502
308	while ($busy) {	503	while ($busy) {
309	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
310	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
311		514
312	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
313	} else {	516	} else {
314	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
315		518
…		…
335	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
336		539
337	$coro	540	$coro
338	}	541	}
339		542
340	sub write_runtime {	543	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		544
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
344	or return;	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
345		549
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	550	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		551
350	aio_fsync $fh	552	sub fork_call(&@) {
351	and return;	553	my ($cb, @args) = @_;
352		554
353	close $fh	555	# we seemingly have to make a local copy of the whole thing,
354	or return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
355		558
356	aio_rename "$runtime~", $runtime	559	my @res = Coro::Util::fork_eval {
357	and return;	560	reset_signals;
		561	&$cb
		562	}, @args;
358		563
		564	wantarray ? @res : $res[-1]
		565	}
		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
359	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
		719	}
		720
		721	=item cf::datalog type => key => value, ...
		722
		723	Log a datalog packet of the given type with the given key-value pairs.
		724
		725	=cut
		726
		727	sub datalog($@) {
		728	my ($type, %kv) = @_;
		729	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	730	}
361		731
362	=back	732	=back
363		733
364	=cut	734	=cut
365		735
366	#############################################################################	736	#############################################################################
367		737
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
496		739
497	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
498	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
500		743
501	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	746	Deliantra).
504		747
505	=over 4	748	=over 4
506		749
507	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
508		751
…		…
552	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
553		796
554	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
556		799
557	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
558	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
559		802
560	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
561		804
562	=over 4	805	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	865	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	866	our @CB_MAP = ();
624		867
625	my %attachment;	868	my %attachment;
626		869
		870	sub cf::attachable::thawer_merge {
		871	# simply override everything except _meta
		872	local $_[0]{_meta};
		873	%{$_[0]} = %{$_[1]};
		874	}
		875
627	sub _attach_cb($$$$) {	876	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	877	my ($registry, $event, $prio, $cb) = @_;
629		878
630	use sort 'stable';	879	use sort 'stable';
631		880
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
666		915
667	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		920
672	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	922	my $pkg = shift @arg;
674		923
675	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
705	}	954	}
706		955
707	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
708	} else {	957	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	959	}
711		960
712	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
713	}	962	}
714		963
…		…
716	if (ref $_[0]) {	965	if (ref $_[0]) {
717	_object_attach @_;	966	_object_attach @_;
718	} else {	967	} else {
719	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
720	}	969	}
		970	_recalc_want;
721	};	971	};
722		972
723	# all those should be optimised	973	# all those should be optimised
724	sub cf::attachable::detach {	974	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
729	reattach ($obj);	979	reattach ($obj);
730	} else {	980	} else {
731	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
732	}	982	}
		983	_recalc_want;
733	};	984	};
734		985
735	sub cf::attachable::attached {	986	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
737		988
…		…
752	";	1003	";
753	die if $@;	1004	die if $@;
754	}	1005	}
755		1006
756	our $override;	1007	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		1009
759	sub override {	1010	sub override {
760	$override = 1;	1011	$override = 1;
761	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
762	}	1013	}
763		1014
764	sub do_invoke {	1015	sub do_invoke {
765	my $event = shift;	1016	my $event = shift;
766	my $callbacks = shift;	1017	my $callbacks = shift;
767		1018
768	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
769		1020
770	local $override;	1021	local $override;
771		1022
772	for (@$callbacks) {	1023	for (@$callbacks) {
773	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
782	}	1033	}
783		1034
784	0	1035	0
785	}	1036	}
786		1037
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1039
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1041
791	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
792		1043
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1047
797	=back	1048	=back
798		1049
799	=cut	1050	=cut
800		1051
801	#############################################################################	1052	#############################################################################
802	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
803		1096
804	sub reattach {	1097	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1099	my ($obj) = @_;
		1100
		1101	# no longer needed after getting rid of delete_package?
		1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1103
808	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
809		1105
810	@$registry = ();	1106	@$registry = ();
811		1107
…		…
826	cf::attachable->attach (	1122	cf::attachable->attach (
827	prio => -1000000,	1123	prio => -1000000,
828	on_instantiate => sub {	1124	on_instantiate => sub {
829	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
830		1126
831	$data = from_json $data;	1127	$data = decode_json $data;
832		1128
833	for (@$data) {	1129	for (@$data) {
834	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
835		1131
836	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1148	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
854		1150
855	sync_job {	1151	sync_job {
856	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
859		1156
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
863	aio_fsync $fh;	1162	aio_fsync $fh;
		1163	}
864	close $fh;	1164	aio_close $fh;
865		1165
866	if (@$objs) {	1166	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
		1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
871	aio_fsync $fh;	1173	aio_fsync $fh;
		1174	}
872	close $fh;	1175	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
874	}	1177	}
875	} else {	1178	} else {
876	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
877	}	1180	}
878		1181
879	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1186	} else {
881	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
882	}	1188	}
883	} else {	1189	} else {
884	aio_unlink $filename;	1190	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
886	}	1192	}
887	}	1193	};
888	}	1194	}
889		1195
890	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
892		1198
…		…
904	or return;	1210	or return;
905		1211
906	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
908	or return;	1214	or return;
		1215
909	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
910	}	1218	}
911		1219
		1220	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
914	return ($data, $av);	1224	($data, $av)
915	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
916		1232
917	#############################################################################	1233	#############################################################################
918	# command handling &c	1234	# command handling &c
919		1235
920	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1250	}
935		1251
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1253
938	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
939		1259
940	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
941	called.	1261	called.
942		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
943	=cut	1274	=cut
944		1275
945	sub register_extcmd {	1276	sub register_extcmd {
946	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
947		1278
948	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
949	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
950		1289
951	cf::player->attach (	1290	cf::player->attach (
952	on_command => sub {	1291	on_command => sub {
953	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
954		1293
…		…
962	cf::override;	1301	cf::override;
963	},	1302	},
964	on_extcmd => sub {	1303	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
966		1305
967	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1307
969	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
975	} else {	1323	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1325	}
978		1326
979	cf::override;	1327	cf::override;
980	},	1328	},
981	);	1329	);
982		1330
		1331	# "readahead" all extensions
983	sub load_extension {	1332	sub cache_extensions {
984	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
985		1334
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1338	}
990	$pkg = "ext::$pkg";	1339	};
991		1340
992	warn "loading '$path' into '$pkg'\n";	1341	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1342	}
1009		1343
1010	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
1011	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1349	next unless -r $path;
1013	eval {	1350
1014	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
1015	1	1407	}
1016	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
1017	}	1413	};
1018	}	1414	}
1019		1415
1020	#############################################################################	1416	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1417
1023	*cf::mapsupport::on_clean = sub {	1418	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1419
1036	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1037		1421
1038	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1039		1423
1040	=cut	1424	=cut
1041		1425
1042	package cf::player;	1426	package cf::player;
1043		1427
…		…
1045		1429
1046	=head3 cf::player	1430	=head3 cf::player
1047		1431
1048	=over 4	1432	=over 4
1049		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
		1447
1050	=item cf::player::find $login	1448	=item cf::player::find $login
1051		1449
1052	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1053		1451
1054	=cut	1452	=cut
1055		1453
1056	sub playerdir($) {	1454	sub playerdir($) {
1057	cf::localdir	1455	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1457	}
1063		1458
1064	sub path($) {	1459	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1461
1067	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
1068	}	1463	}
1069		1464
1070	sub find_active($) {	1465	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
1075		1470
1076	sub exists($) {	1471	sub exists($) {
1077	my ($login) = @_;	1472	my ($login) = @_;
1078		1473
1079	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1475	or !aio_stat path $login
1081	}	1476	}
1082		1477
1083	sub find($) {	1478	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1480	my $login = $_[0];
1086		1481
1087	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
1088		1483
1089	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1485	# rename old playerfiles to new ones
		1486	#TODO: remove when no longer required
		1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1490	aio_unlink +(playerdir $login) . "/$login.pl";
		1491
		1492	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1093	}	1501	}
1094	}	1502	}
1095	}	1503	}
1096		1504
…		…
1105	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1106		1514
1107	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1109		1517
		1518	cf::get_slot 0.01;
		1519
1110	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1111	Coro::cede;	1521	cf::cede_to_tick;
1112	}	1522	}
1113		1523
1114	sub new($) {	1524	sub new($) {
1115	my ($login) = @_;	1525	my ($login) = @_;
1116		1526
…		…
1122	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1123		1533
1124	$self	1534	$self
1125	}	1535	}
1126		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1127	=item $pl->quit_character	1547	=item $pl->quit_character
1128		1548
1129	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1131		1551
1132	=cut	1552	=cut
1133		1553
1134	sub quit_character {	1554	sub quit_character {
1135	my ($pl) = @_;	1555	my ($pl) = @_;
1136		1556
		1557	my $name = $pl->ob->name;
		1558
1137	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1139		1561
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1144		1568
1145	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1573	$pl->destroy;
		1574
		1575	my $prefix = qr<^~\Q$name\E/>;
		1576
		1577	# nuke player maps
		1578	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1579
1150	IO::AIO::aio_rmtree $temp;	1580	IO::AIO::aio_rmtree $temp;
		1581	}
		1582
		1583	=item $pl->kick
		1584
		1585	Kicks a player out of the game. This destroys the connection.
		1586
		1587	=cut
		1588
		1589	sub kick {
		1590	my ($pl, $kicker) = @_;
		1591
		1592	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1593	$pl->killer ("kicked");
		1594	$pl->ns->destroy;
1151	}	1595	}
1152		1596
1153	=item cf::player::list_logins	1597	=item cf::player::list_logins
1154		1598
1155	Returns am arrayref of all valid playernames in the system, can take a	1599	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1157		1601
1158	=cut	1602	=cut
1159		1603
1160	sub list_logins {	1604	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1606	or return [];
1163		1607
1164	my @logins;	1608	my @logins;
1165		1609
1166	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1170		1620
1171	utf8::decode $login;	1621	utf8::decode $login;
1172	push @logins, $login;	1622	push @logins, $login;
1173	}	1623	}
1174		1624
1175	\@logins	1625	\@logins
1176	}	1626	}
1177		1627
1178	=item $player->maps	1628	=item $player->maps
1179		1629
1180	Returns an arrayref of cf::path's of all maps that are private for this	1630	Returns an arrayref of map paths that are private for this
1181	player. May block.	1631	player. May block.
1182		1632
1183	=cut	1633	=cut
1184		1634
1185	sub maps($) {	1635	sub maps($) {
1186	my ($pl) = @_;	1636	my ($pl) = @_;
		1637
		1638	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1639
1188	my $files = aio_readdir playerdir $pl	1640	my $files = aio_readdir playerdir $pl
1189	or return;	1641	or return;
1190		1642
1191	my @paths;	1643	my @paths;
…		…
1193	for (@$files) {	1645	for (@$files) {
1194	utf8::decode $_;	1646	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1647	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1648	next unless /^$PATH_SEP/o;
1197		1649
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1650	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1651	}
1200		1652
1201	\@paths	1653	\@paths
1202	}	1654	}
1203		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1205		1661
1206	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1207		1663
1208	=cut	1664	=cut
1209		1665
1210	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1212		1668
1213	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1670	}
1217		1671
1218	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1219		1712
1220	=back	1713	=back
1221
1222		1714
1223	=head3 cf::map	1715	=head3 cf::map
1224		1716
1225	=over 4	1717	=over 4
1226		1718
…		…
1229	package cf::map;	1721	package cf::map;
1230		1722
1231	use Fcntl;	1723	use Fcntl;
1232	use Coro::AIO;	1724	use Coro::AIO;
1233		1725
		1726	use overload
		1727	'""' => \&as_string,
		1728	fallback => 1;
		1729
1234	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1236		1732
1237	sub generate_random_map {	1733	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1737
1240	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1739	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1743	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1744	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1745	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1746	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1747	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1748	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1749	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1750	(cf::region::find $rmp->{region}), $rmp->{custom}
		1751	)
1254	}	1752	}
1255		1753
1256	# and all this just because we cannot iterate over	1754	=item cf::map->register ($regex, $prio)
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;
1260		1755
1261	$_->change_map_light ($change)	1756	Register a handler for the map path matching the given regex at the
1262	for grep $_->outdoor, values %cf::MAP;	1757	givne priority (higher is better, built-in handlers have priority 0, the
1263	}	1758	default).
1264		1759
1265	sub try_load_header($) {	1760	=cut
		1761
		1762	sub register {
		1763	my (undef, $regex, $prio) = @_;
		1764	my $pkg = caller;
		1765
		1766	no strict;
		1767	push @{"$pkg\::ISA"}, __PACKAGE__;
		1768
		1769	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1770	}
		1771
		1772	# also paths starting with '/'
		1773	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1774
		1775	sub thawer_merge {
		1776	my ($self, $merge) = @_;
		1777
		1778	# we have to keep some variables in memory intact
		1779	local $self->{path};
		1780	local $self->{load_path};
		1781
		1782	$self->SUPER::thawer_merge ($merge);
		1783	}
		1784
		1785	sub normalise {
1266	my ($path) = @_;	1786	my ($path, $base) = @_;
		1787
		1788	$path = "$path"; # make sure its a string
		1789
		1790	$path =~ s/\.map$//;
		1791
		1792	# map plan:
		1793	#
		1794	# /! non-realised random map exit (special hack!)
		1795	# {... are special paths that are not being touched
		1796	# ?xxx/... are special absolute paths
		1797	# ?random/... random maps
		1798	# /... normal maps
		1799	# ~user/... per-player map of a specific user
		1800
		1801	$path =~ s/$PATH_SEP/\//go;
		1802
		1803	# treat it as relative path if it starts with
		1804	# something that looks reasonable
		1805	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1806	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1807
		1808	$base =~ s{[^/]+/?$}{};
		1809	$path = "$base/$path";
		1810	}
		1811
		1812	for ($path) {
		1813	redo if s{//}{/};
		1814	redo if s{/\.?/}{/};
		1815	redo if s{/[^/]+/\.\./}{/};
		1816	}
		1817
		1818	$path
		1819	}
		1820
		1821	sub new_from_path {
		1822	my (undef, $path, $base) = @_;
		1823
		1824	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1825
		1826	$path = normalise $path, $base;
		1827
		1828	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1829	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1830	my $self = bless cf::map::new, $pkg;
		1831	$self->{path} = $path; $self->path ($path);
		1832	$self->init; # pass $1 etc.
		1833	return $self;
		1834	}
		1835	}
		1836
		1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1838	()
		1839	}
		1840
		1841	sub init {
		1842	my ($self) = @_;
		1843
		1844	$self
		1845	}
		1846
		1847	sub as_string {
		1848	my ($self) = @_;
		1849
		1850	"$self->{path}"
		1851	}
		1852
		1853	# the displayed name, this is a one way mapping
		1854	sub visible_name {
		1855	&as_string
		1856	}
		1857
		1858	# the original (read-only) location
		1859	sub load_path {
		1860	my ($self) = @_;
		1861
		1862	"$MAPDIR/$self->{path}.map"
		1863	}
		1864
		1865	# the temporary/swap location
		1866	sub save_path {
		1867	my ($self) = @_;
		1868
		1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1870	"$TMPDIR/$path.map"
		1871	}
		1872
		1873	# the unique path, undef == no special unique path
		1874	sub uniq_path {
		1875	my ($self) = @_;
		1876
		1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1878	"$UNIQUEDIR/$path"
		1879	}
		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
		1889	sub unlink_save {
		1890	my ($self) = @_;
		1891
		1892	utf8::encode (my $save = $self->save_path);
		1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1895	}
		1896
		1897	sub load_header_from($) {
		1898	my ($self, $path) = @_;
1267		1899
1268	utf8::encode $path;	1900	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1270	or return;	1902	or return;
1271		1903
1272	my $map = cf::map::new	1904	$self->_load_header ($f)
1273	or return;	1905	or return;
1274		1906
1275	# for better error messages only, will be overwritten	1907	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1908	$f->resolve_delayed_derefs;
1277		1909
1278	$map->load_header ($path)	1910	$self->{load_path} = $path;
		1911
		1912	1
		1913	}
		1914
		1915	sub load_header_orig {
		1916	my ($self) = @_;
		1917
		1918	$self->load_header_from ($self->load_path)
		1919	}
		1920
		1921	sub load_header_temp {
		1922	my ($self) = @_;
		1923
		1924	$self->load_header_from ($self->save_path)
		1925	}
		1926
		1927	sub prepare_temp {
		1928	my ($self) = @_;
		1929
		1930	$self->last_access ((delete $self->{last_access})
		1931	|| $cf::RUNTIME); #d#
		1932	# safety
		1933	$self->{instantiate_time} = $cf::RUNTIME
		1934	if $self->{instantiate_time} > $cf::RUNTIME;
		1935	}
		1936
		1937	sub prepare_orig {
		1938	my ($self) = @_;
		1939
		1940	$self->{load_original} = 1;
		1941	$self->{instantiate_time} = $cf::RUNTIME;
		1942	$self->last_access ($cf::RUNTIME);
		1943	$self->instantiate;
		1944	}
		1945
		1946	sub load_header {
		1947	my ($self) = @_;
		1948
		1949	if ($self->load_header_temp) {
		1950	$self->prepare_temp;
		1951	} else {
		1952	$self->load_header_orig
1279	or return;	1953	or return;
		1954	$self->prepare_orig;
		1955	}
1280		1956
1281	$map->{load_path} = $path;	1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
1282		1959
1283	$map	1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
		1963	1
1284	}	1964	}
1285		1965
1286	sub find;	1966	sub find;
1287	sub find {	1967	sub find {
1288	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1289		1969
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1971
1295	cf::lock_wait "map_find:$key";	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1299		1974
1300	# do it the slow way	1975	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	1976	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1977	or return;
1319		1978
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1332		1980
1333	Coro::cede;	1981	$map->load_header
		1982	or return;
1334		1983
1335	if ($map->should_reset) {	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1985	# doing this can freeze the server in a sync job, obviously
		1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1336	$map->reset;	1989	$map->reset;
1337	undef $guard;
1338	$map = find $path	1990	return find $path;
1339	or return;
1340	}	1991	}
1341		1992
1342	$cf::MAP{$key} = $map	1993	$cf::MAP{$path} = $map
1343	}	1994	}
1344	}	1995	}
		1996
		1997	sub pre_load { }
		1998	sub post_load { }
1345		1999
1346	sub load {	2000	sub load {
1347	my ($self) = @_;	2001	my ($self) = @_;
1348		2002
		2003	local $self->{deny_reset} = 1; # loading can take a long time
		2004
1349	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2008	my $guard = cf::lock_acquire "map_data:$path";
1351		2009
		2010	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2012
1354	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1355		2014
1356	$self->alloc;	2015	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2016
		2017	$self->pre_load;
		2018	cf::cede_to_tick;
		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
		2022	$self->_load_objects ($f)
1358	or return;	2023	or return;
1359		2024
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1361	if delete $self->{load_original};	2026	if delete $self->{load_original};
1362		2027
1363	if (my $uniq = $path->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2029	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2032	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1368	}	2036	}
1369	}	2037	}
1370		2038
1371	Coro::cede;	2039	$f->resolve_delayed_derefs;
1372		2040
		2041	cf::cede_to_tick;
1373	# now do the right thing for maps	2042	# now do the right thing for maps
1374	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2045	unless $self->difficulty;
		2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1386	$self->activate;	2053	$self->activate;
1387	}	2054	}
1388		2055
1389	Coro::cede;	2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
1390		2058
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
		2060	}
		2061
		2062	$self->post_load;
		2063	}
		2064
		2065	sub customise_for {
		2066	my ($self, $ob) = @_;
		2067
		2068	return find "~" . $ob->name . "/" . $self->{path}
		2069	if $self->per_player;
		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
		2074	$self
1392	}	2075	}
1393		2076
1394	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2078	sub load_neighbours {
1396	my ($map) = @_;	2079	my ($map) = @_;
1397		2080
1398	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1399		2082
1400	for (0 .. 3) {	2083	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1402	or next;	2085	or next;
1403	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1404	or next;	2087	or next;
1405	$neigh->load;	2088	$neigh->load;
1406		2089
		2090	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2093	}
1410		2094
1411	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1413	or next;	2098	or next;
1414	$neigh->load;	2099	$neigh->load;
1415	}	2100	}
1416	}	2101	}
1417		2102
…		…
1422	}	2107	}
1423		2108
1424	sub do_load_sync {	2109	sub do_load_sync {
1425	my ($map) = @_;	2110	my ($map) = @_;
1426		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1427	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1428	}	2116	}
1429		2117
1430	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
		2119	our $MAP_PREFETCHER = undef;
		2120
		2121	sub find_async {
		2122	my ($path, $origin, $load) = @_;
		2123
		2124	$path = normalise $path, $origin && $origin->{path};
		2125
		2126	if (my $map = $cf::MAP{$path}) {
		2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2128	}
		2129
		2130	$MAP_PREFETCH{$path} |= $load;
		2131
1431	our $MAP_PREFETCHER = Coro::async {	2132	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2133	$Coro::current->{desc} = "map prefetcher";
		2134
1433	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2137	if (my $map = find $k) {
		2138	$map->load if $v;
		2139	}
		2140
1436	my $path = delete $MAP_PREFETCH{$key};	2141	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2142	}
1442	Coro::schedule;	2143	}
		2144	undef $MAP_PREFETCHER;
1443	}	2145	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2146	$MAP_PREFETCHER->prio (6);
1458		2147
1459	()	2148	()
1460	}	2149	}
1461		2150
1462	sub save {	2151	sub save {
1463	my ($self) = @_;	2152	my ($self) = @_;
1464		2153
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2155
1467	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1468		2157
1469	return unless $self->dirty;	2158	return unless $self->dirty;
1470		2159
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2160	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2161	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2162
1474	$self->{load_path} = $save;	2163	$self->{load_path} = $save;
1475		2164
1476	return if $self->{deny_save};	2165	return if $self->{deny_save};
1477		2166
1478	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1479		2168
1480	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1482	};	2172	};
1483		2173
		2174	cf::get_slot 0.02;
		2175
1484	if ($uniq) {	2176	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2179	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2181	}
1490	}	2182	}
1491		2183
1492	sub swap_out {	2184	sub swap_out {
1493	my ($self) = @_;	2185	my ($self) = @_;
1494		2186
1495	# save first because save cedes	2187	# save first because save cedes
1496	$self->save;	2188	$self->save;
1497		2189
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2191
1500	return if $self->players;	2192	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1502	return if $self->{deny_save};	2194	return if $self->{deny_save};
1503		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2200	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2201	}
1507		2202
1508	sub reset_at {	2203	sub reset_at {
1509	my ($self) = @_;	2204	my ($self) = @_;
1510		2205
1511	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1514		2208
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2211
…		…
1522	my ($self) = @_;	2216	my ($self) = @_;
1523		2217
1524	$self->reset_at <= $cf::RUNTIME	2218	$self->reset_at <= $cf::RUNTIME
1525	}	2219	}
1526		2220
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2221	sub reset {
1549	my ($self) = @_;	2222	my ($self) = @_;
1550		2223
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2225
1553	return if $self->players;	2226	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2227
1556	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
		2229
		2230	$self->in_memory (cf::MAP_SWAPPED);
		2231
		2232	# need to save uniques path
		2233	unless ($self->{deny_save}) {
		2234	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2235
		2236	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2237	if $uniq;
		2238	}
1557		2239
1558	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1559		2241
		2242	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2243	$_->clear_links_to ($self) for values %cf::MAP;
		2244	$self->clear;
1561		2245
1562	$self->unlink_save;	2246	$self->unlink_save;
1563	$self->destroy;	2247	$self->destroy;
1564	}	2248	}
1565		2249
1566	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1567		2251
1568	sub nuke {	2252	sub nuke {
1569	my ($self) = @_;	2253	my ($self) = @_;
1570		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
		2258	delete $cf::MAP{$self->path};
		2259
		2260	$self->unlink_save;
		2261
		2262	bless $self, "cf::map";
		2263	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2267
		2268	$cf::MAP{$self->path} = $self;
		2269	}
		2270
1574	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
1575	}	2272	}
1576		2273
1577	sub customise_for {	2274	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2275
1580	if ($map->per_player) {	2276	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
1582	}	2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
1583		2291
1584	$map	2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1585	}	2308	}
1586		2309
1587	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1588		2311
1589	Returns an arrayref of cf::path's of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2313	instantiated unique items. May block.
1591		2314
1592	=cut	2315	=cut
1593		2316
1594	sub unique_maps() {	2317	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1596	or return;	2319	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2320	utf8::decode $_;
1602	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2323	? ()
1605	push @paths, new cf::path $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2326	]
1607
1608	\@paths
1609	}	2327	}
1610
1611	package cf;
1612		2328
1613	=back	2329	=back
1614		2330
1615	=head3 cf::object	2331	=head3 cf::object
1616		2332
…		…
1620		2336
1621	=over 4	2337	=over 4
1622		2338
1623	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1624		2340
1625	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1626		2343
1627	=cut	2344	=cut
1628		2345
1629	sub inv_recursive_;	2346	sub inv_recursive_;
1630	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1633		2350
1634	sub inv_recursive {	2351	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1636	}	2353	}
1637		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1638	package cf;	2383	package cf;
1639		2384
1640	=back	2385	=back
1641		2386
1642	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1651		2396
1652	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1653		2412
1654	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2414	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1659		2418
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2420
1662	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1664	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1667	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1668	}	2446	}
1669		2447
1670	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1671		2449
1672	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1685		2463
1686	=item $player_object->enter_link	2464	=item $player_object->enter_link
1687		2465
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2467
1690	The player should be reaosnably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1691	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
		2472
		2473	Will never block.
1692		2474
1693	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1694		2476
1695	Moves the player out of the specila link map onto the given map. If the	2477	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2478	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2479	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2480	fails, to the emergency map position.
1699		2481
1700	Might block.	2482	Might block.
1701		2483
1702	=cut	2484	=cut
		2485
		2486	sub link_map {
		2487	unless ($LINK_MAP) {
		2488	$LINK_MAP = cf::map::find "{link}"
		2489	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2490	$LINK_MAP->load;
		2491	}
		2492
		2493	$LINK_MAP
		2494	}
1703		2495
1704	sub cf::object::player::enter_link {	2496	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2497	my ($self) = @_;
1706		2498
1707	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1708		2500
1709	return if $self->map == $LINK_MAP;	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2502
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1713		2505
1714	$self->enter_map ($LINK_MAP, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2507	}
1716		2508
1717	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1719		2513
1720	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1721		2515
1722	unless ($map) {	2516	unless ($map) {
1723	# restore original map position	2517	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1740		2534
1741	$map->load;	2535	$map->load;
1742	$map->load_diag;	2536	$map->load_neighbours;
1743		2537
1744	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1745	$self->activate_recursive;	2540	$self->activate_recursive;
		2541
		2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1747	}	2544	}
1748		2545
1749	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2547
1753	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1757	};	2552	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2553
1763	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2556
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1784		2560
1785	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2563
1788	$path = new cf::path $path;	2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2566
1790	$self->enter_link;	2567	$self->enter_link;
1791		2568
1792	(async {	2569	(async {
1793	my $map = cf::map::find $path->as_string;	2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
		2591	my $map = eval {
		2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
1795		2596	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2597	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
1800		2600
		2601	$map
		2602	};
		2603
		2604	if ($@) {
		2605	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	LOG llevError | logBacktrace, Carp::longmess $@;
		2607	}
		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1802	})->prio (1);	2615	})->prio (1);
1803	}	2616	}
1804		2617
1805	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1806		2619
…		…
1808		2621
1809	sub parse_random_map_params {	2622	sub parse_random_map_params {
1810	my ($spec) = @_;	2623	my ($spec) = @_;
1811		2624
1812	my $rmp = { # defaults	2625	my $rmp = { # defaults
1813	xsize => 10,	2626	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2627	ysize => (cf::rndm 15, 40),
		2628	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2629	#layout => string,
1815	};	2630	};
1816		2631
1817	for (split /\n/, $spec) {	2632	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2633	my ($k, $v) = split /\s+/, $_, 2;
1819		2634
…		…
1831	# that depends on the exit object	2646	# that depends on the exit object
1832		2647
1833	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
1834		2649
1835	if ($exit->map) {	2650	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2651	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1840	}	2657	}
1841		2658
1842	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1843		2660
1844	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
		2663	my $meta = "$RANDOMDIR/$md5.meta";
1846		2664
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
		2667	undef $fh;
		2668	aio_rename "$meta~", $meta;
1849		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1852	}	2676	}
1853	}	2677	}
1854		2678
1855	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1859		2683
1860	$self->enter_link;	2684	$self->enter_link;
1861		2685
1862	(async {	2686	(async {
1863	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1864	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
1865	prepare_random_map $exit	2696	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2697	if $exit->slaying eq "/!";
		2698	}
1867		2699
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
1870		2703
		2704	$self->goto ($map, $x, $y);
		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
1871	1;	2710	1
1872	}) {	2711	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2716
1878	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2718	$self->leave_link;
1880	}	2719	}
1881	})->prio (1);	2720	})->prio (1);
…		…
1894		2733
1895	sub cf::client::send_drawinfo {	2734	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2735	my ($self, $text, $flags) = @_;
1897		2736
1898	utf8::encode $text;	2737	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2739	}
1901		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->ext_msg ($type, @msg)
		2902
		2903	Sends an ext event to the client.
		2904
		2905	=cut
		2906
		2907	sub cf::client::ext_msg($$@) {
		2908	my ($self, $type, @msg) = @_;
		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
		2913	push @msg, msgtype => "event_$type";
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
		2934	}
1902		2935
1903	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
1904		2937
1905	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2939	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2941
1909	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2943	become reliable at some point in the future.
1911		2944
1912	=cut	2945	=cut
1913		2946
1914	sub cf::client::query {	2947	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2956	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2958
1926	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
1928	}	2963	}
1929		2964
1930	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
1931	on_reply => sub {	2971	on_reply => sub {
1932	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
1933		2973
1934	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
1935	# get handled first	2975	# get handled first
1936	my $queue = delete $ns->{query_queue}	2976	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2977	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2978
1939	(shift @$queue)->[1]->($msg);	2979	(shift @$queue)->[1]->($msg);
		2980	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2981
1941	push @{ $ns->{query_queue} }, @$queue;	2982	push @{ $ns->{query_queue} }, @$queue;
1942		2983
1943	if (@{ $ns->{query_queue} } == @$queue) {	2984	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2985	if (@$queue) {
…		…
1946	} else {	2987	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2989	}
1949	}	2990	}
1950	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
1951	);	3018	);
1952		3019
1953	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
1954		3021
1955	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
1998		3065
1999	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2000		3067
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2002		3073
2003	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2004		3075
2005	=pod	3076	=pod
2006		3077
2007	The following fucntions and emthods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2008		3079
2009	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2010	cf::object::player player	3085	cf::object::player
2011	cf::player peaceful	3086	player
2012	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2013		3093
2014	=cut	3094	=cut
2015		3095
2016	for (	3096	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2021	) {	3103	) {
2022	no strict 'refs';	3104	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2041	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2042		3124
2043	my $qcode = $code;	3125	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2046		3130
2047	local $_;	3131	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2049		3133
2050	my $eval =	3134	my $eval =
…		…
2093	=back	3177	=back
2094		3178
2095	=cut	3179	=cut
2096		3180
2097	#############################################################################	3181	#############################################################################
		3182	# the server's init and main functions
2098		3183
2099	=head2 EXTENSION DATABASE SUPPORT	3184	sub load_facedata($) {
		3185	my ($path) = @_;
2100		3186
2101	Crossfire maintains a very simple database for extension use. It can	3187	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3188	# for this (global event?)
2103	excludes objects.	3189	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3190
2105	The parameter C<$family> should best start with the name of the extension	3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3192
2108	=over 4	3193	warn "loading facedata from $path\n";
2109		3194
2110	=item $hashref = cf::db_get $family	3195	my $facedata;
		3196	0 < aio_load $path, $facedata
		3197	or die "$path: $!";
2111		3198
2112	Return a hashref for use by the extension C<$family>, which can be	3199	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3200
2116	=item $value = cf::db_get $family => $key	3201	$facedata->{version} == 2
		3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3203
2118	Returns a single value from the database	3204	# patch in the exptable
2119		3205	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3206	type => FT_RSRC,
2121		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3208	};
		3209	cf::cede_to_tick;
2171		3210
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3211	{
		3212	my $faces = $facedata->{faceinfo};
2176		3213
2177	sub db_get($;$) {	3214	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3216
2183	sub db_put($$;$) {	3217	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2186	} else {	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3221
2192	cf::global->attach (	3222	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3223	}
2197	);
2198	}
2199		3224
2200	#############################################################################	3225	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3226	next unless $info->{smooth};
2202		3227
2203	sub cfg_load {	3228	my $idx = cf::face::find $face
		3229	or next;
		3230
		3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
		3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3234	} else {
		3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3236	}
		3237
		3238	cf::cede_to_tick;
		3239	}
		3240	}
		3241
		3242	{
		3243	my $anims = $facedata->{animinfo};
		3244
		3245	while (my ($anim, $info) = each %$anims) {
		3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3247	cf::cede_to_tick;
		3248	}
		3249
		3250	cf::anim::invalidate_all; # d'oh
		3251	}
		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
		3288	1
		3289	}
		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
		3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
		3334	load_resource_file "$MAPDIR/regions"
		3335	or die "unable to load regions file\n";
		3336
		3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
		3341	}
		3342
		3343	sub reload_facedata {
		3344	load_facedata "$DATADIR/facedata"
		3345	or die "unable to load facedata\n";
		3346	}
		3347
		3348	sub reload_archetypes {
		3349	load_resource_file "$DATADIR/archetypes"
		3350	or die "unable to load archetypes\n";
		3351	}
		3352
		3353	sub reload_treasures {
		3354	load_resource_file "$DATADIR/treasures"
		3355	or die "unable to load treasurelists\n";
		3356	}
		3357
		3358	sub reload_resources {
		3359	warn "reloading resource files...\n";
		3360
		3361	reload_facedata;
		3362	reload_archetypes;
		3363	reload_regions;
		3364	reload_treasures;
		3365
		3366	warn "finished reloading resource files\n";
		3367	}
		3368
		3369	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3371	or return;
2206		3372
2207	local $/;	3373	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2209		3375
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211		3377
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2219	};	3385	};
2220	warn $@ if $@;	3386	warn $@ if $@;
2221	}	3387	}
2222	}	3388	}
2223		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2224	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2225	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3436	(async {
		3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
		3439	})->prio (Coro::PRIO_MAX);
2229	};	3440	};
2230		3441
2231	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
2232	db_load;	3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
		3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2233	load_extensions;	3460	load_extensions;
2234	Event::loop;	3461
		3462	utime time, time, $RUNTIMEFILE;
		3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	use POSIX ();
		3466	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3467
		3468	(pop @POST_INIT)->(0) while @POST_INIT;
		3469	};
		3470
		3471	main_loop;
2235	}	3472	}
2236		3473
2237	#############################################################################	3474	#############################################################################
2238	# initialisation and cleanup	3475	# initialisation and cleanup
2239		3476
2240	# install some emergency cleanup handlers	3477	# install some emergency cleanup handlers
2241	BEGIN {	3478	BEGIN {
		3479	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3480	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3481	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3482	cf::cleanup "SIG$signal";
2248	},
2249	);	3483	};
		3484	}
		3485	}
		3486
		3487	sub write_runtime_sync {
		3488	# first touch the runtime file to show we are still running:
		3489	# the fsync below can take a very very long time.
		3490
		3491	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3492
		3493	my $guard = cf::lock_acquire "write_runtime";
		3494
		3495	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = $cf::RUNTIME + 90 + 10;
		3499	# 10 is the runtime save interval, for a monotonic clock
		3500	# 60 allows for the watchdog to kill the server.
		3501
		3502	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3503	and return;
		3504
		3505	# always fsync - this file is important
		3506	aio_fsync $fh
		3507	and return;
		3508
		3509	# touch it again to show we are up-to-date
		3510	aio_utime $fh, undef, undef;
		3511
		3512	close $fh
		3513	or return;
		3514
		3515	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3516	and return;
		3517
		3518	warn "runtime file written.\n";
		3519
2250	}	3520	1
		3521	}
		3522
		3523	our $uuid_lock;
		3524	our $uuid_skip;
		3525
		3526	sub write_uuid_sync($) {
		3527	$uuid_skip ||= $_[0];
		3528
		3529	return if $uuid_lock;
		3530	local $uuid_lock = 1;
		3531
		3532	my $uuid = "$LOCALDIR/uuid";
		3533
		3534	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3535	or return;
		3536
		3537	my $value = uuid_seq uuid_cur;
		3538
		3539	unless ($value) {
		3540	warn "cowardly refusing to write zero uuid value!\n";
		3541	return;
		3542	}
		3543
		3544	my $value = uuid_str $value + $uuid_skip;
		3545	$uuid_skip = 0;
		3546
		3547	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3548	and return;
		3549
		3550	# always fsync - this file is important
		3551	aio_fsync $fh
		3552	and return;
		3553
		3554	close $fh
		3555	or return;
		3556
		3557	aio_rename "$uuid~", $uuid
		3558	and return;
		3559
		3560	warn "uuid file written ($value).\n";
		3561
		3562	1
		3563
		3564	}
		3565
		3566	sub write_uuid($$) {
		3567	my ($skip, $sync) = @_;
		3568
		3569	$sync ? write_uuid_sync $skip
		3570	: async { write_uuid_sync $skip };
2251	}	3571	}
2252		3572
2253	sub emergency_save() {	3573	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3574	my $freeze_guard = cf::freeze_mainloop;
2255		3575
2256	warn "enter emergency perl save\n";	3576	warn "emergency_perl_save: enter\n";
2257		3577
2258	cf::sync_job {	3578	cf::sync_job {
		3579	# this is a trade-off: we want to be very quick here, so
		3580	# save all maps without fsync, and later call a global sync
		3581	# (which in turn might be very very slow)
		3582	local $USE_FSYNC = 0;
		3583
2259	# use a peculiar iteration method to avoid tripping on perl	3584	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3585	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3586	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3587	warn "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3588	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3589	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3590	$pl->valid or next;
		3591	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3592	$pl->save;
2267	}	3593	}
2268	warn "end emergency player save\n";	3594	warn "emergency_perl_save: end player save\n";
2269		3595
2270	warn "begin emergency map save\n";	3596	warn "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3597	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3598	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3599	$map->valid or next;
2274	$map->save;	3600	$map->save;
2275	}	3601	}
2276	warn "end emergency map save\n";	3602	warn "emergency_perl_save: end map save\n";
		3603
		3604	warn "emergency_perl_save: begin database checkpoint\n";
		3605	BDB::db_env_txn_checkpoint $DB_ENV;
		3606	warn "emergency_perl_save: end database checkpoint\n";
		3607
		3608	warn "emergency_perl_save: begin write uuid\n";
		3609	write_uuid_sync 1;
		3610	warn "emergency_perl_save: end write uuid\n";
2277	};	3611	};
2278		3612
		3613	warn "emergency_perl_save: starting sync()\n";
		3614	IO::AIO::aio_sync sub {
		3615	warn "emergency_perl_save: finished sync()\n";
		3616	};
		3617
2279	warn "leave emergency perl save\n";	3618	warn "emergency_perl_save: leave\n";
2280	}	3619	}
2281		3620
		3621	sub post_cleanup {
		3622	my ($make_core) = @_;
		3623
		3624	warn Carp::longmess "post_cleanup backtrace"
		3625	if $make_core;
		3626
		3627	my $fh = pidfile;
		3628	unlink $PIDFILE if <$fh> == $$;
		3629	}
		3630
		3631	# a safer delete_package, copied from Symbol
		3632	sub clear_package($) {
		3633	my $pkg = shift;
		3634
		3635	# expand to full symbol table name if needed
		3636	unless ($pkg =~ /^main::.*::$/) {
		3637	$pkg = "main$pkg" if $pkg =~ /^::/;
		3638	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3639	$pkg .= '::' unless $pkg =~ /::$/;
		3640	}
		3641
		3642	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3643	my $stem_symtab = *{$stem}{HASH};
		3644
		3645	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3646	or return;
		3647
		3648	# clear all symbols
		3649	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3650	for my $name (keys %$leaf_symtab) {
		3651	_gv_clear *{"$pkg$name"};
		3652	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3653	}
		3654	warn "cleared package $pkg\n";#d#
		3655	}
		3656
2282	sub reload() {	3657	sub do_reload_perl() {
2283	# can/must only be called in main	3658	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3659	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3660	warn "can only reload from main coroutine";
2286	return;	3661	return;
2287	}	3662	}
2288		3663
		3664	return if $RELOAD++;
		3665
		3666	my $t1 = EV::time;
		3667
		3668	while ($RELOAD) {
2289	warn "reloading...";	3669	warn "reloading...";
2290		3670
2291	warn "freezing server";	3671	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3672
		3673	cf::sync_job {
		3674	cf::write_runtime_sync; # external watchdog should not bark
2293	cf::emergency_save;	3675	cf::emergency_save;
		3676	cf::write_runtime_sync; # external watchdog should not bark
2294		3677
2295	warn "sync database to disk";	3678	warn "syncing database to disk";
2296	cf::db_sync;	3679	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3680
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3681	# if anything goes wrong in here, we should simply crash as we already saved
2301		3682
2302	warn "cancel all watchers";	3683	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3684	while (IO::AIO::nreqs || BDB::nreqs) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3685	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305	}
2306
2307	warn "cancel all extension coros";
2308	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();
2310
2311	warn "remove commands";
2312	%COMMAND = ();
2313
2314	warn "remove ext commands";
2315	%EXTCMD = ();
2316
2317	warn "unload/nuke all extensions";
2318	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";
2320
2321	if (my $cb = $pkg->can ("unload")) {
2322	eval {
2323	$cb->($pkg);
2324	1
2325	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3686	}
2327		3687
2328	Symbol::delete_package $pkg;	3688	warn "cancelling all extension coros";
2329	}	3689	$_->cancel for values %EXT_CORO;
		3690	%EXT_CORO = ();
2330		3691
2331	warn "unload all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334
2335	warn "removing <$k>";	3692	warn "removing commands";
2336	delete $INC{$k};	3693	%COMMAND = ();
2337		3694
2338	$k =~ s/\.pm$//;	3695	warn "removing ext/exti commands";
2339	$k =~ s/\//::/g;	3696	%EXTCMD = ();
		3697	%EXTICMD = ();
2340		3698
		3699	warn "unloading/nuking all extensions";
		3700	for my $pkg (@EXTS) {
		3701	warn "... unloading $pkg";
		3702
2341	if (my $cb = $k->can ("unload_module")) {	3703	if (my $cb = $pkg->can ("unload")) {
		3704	eval {
2342	$cb->();	3705	$cb->($pkg);
		3706	1
		3707	} or warn "$pkg unloaded, but with errors: $@";
		3708	}
		3709
		3710	warn "... clearing $pkg";
		3711	clear_package $pkg;
2343	}	3712	}
2344		3713
2345	Symbol::delete_package $k;	3714	warn "unloading all perl modules loaded from $LIBDIR";
		3715	while (my ($k, $v) = each %INC) {
		3716	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3717
		3718	warn "... unloading $k";
		3719	delete $INC{$k};
		3720
		3721	$k =~ s/\.pm$//;
		3722	$k =~ s/\//::/g;
		3723
		3724	if (my $cb = $k->can ("unload_module")) {
		3725	$cb->();
		3726	}
		3727
		3728	clear_package $k;
2346	}	3729	}
2347		3730
2348	warn "get rid of safe::, as good as possible";	3731	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3732	clear_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3733	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3734
2352	warn "unload cf.pm \"a bit\"";	3735	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3736	delete $INC{"cf.pm"};
		3737	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354		3738
2355	# don't, removes xs symbols, too,	3739	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3740	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3741	#clear_package __PACKAGE__;
2358		3742
		3743	warn "unload completed, starting to reload now";
		3744
2359	warn "reloading cf.pm";	3745	warn "reloading cf.pm";
2360	require cf;	3746	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3747	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3748
2363	warn "load config and database again";	3749	warn "loading config and database again";
2364	cf::cfg_load;	3750	cf::reload_config;
2365	cf::db_load;
2366		3751
2367	warn "load extensions";	3752	warn "loading extensions";
2368	cf::load_extensions;	3753	cf::load_extensions;
2369		3754
		3755	if ($REATTACH_ON_RELOAD) {
2370	warn "reattach attachments to objects/players";	3756	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3757	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3758	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3759	reattach $_ for values %MAP;
		3760	warn "reattaching attachments to players";
		3761	reattach $_ for values %PLAYER;
		3762	}
		3763
		3764	warn "running post_init jobs";
		3765	(pop @POST_INIT)->(1) while @POST_INIT;
		3766
		3767	warn "leaving sync_job";
		3768
		3769	1
		3770	} or do {
		3771	warn $@;
		3772	cf::cleanup "error while reloading, exiting.";
		3773	};
		3774
		3775	warn "reloaded";
		3776	--$RELOAD;
		3777	}
		3778
		3779	$t1 = EV::time - $t1;
		3780	warn "reload completed in ${t1}s\n";
		3781	};
		3782
		3783	our $RELOAD_WATCHER; # used only during reload
		3784
		3785	sub reload_perl() {
		3786	# doing reload synchronously and two reloads happen back-to-back,
		3787	# coro crashes during coro_state_free->destroy here.
		3788
		3789	$RELOAD_WATCHER ||= cf::async {
		3790	Coro::AIO::aio_wait cache_extensions;
		3791
		3792	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3793	do_reload_perl;
		3794	undef $RELOAD_WATCHER;
		3795	};
2374	};	3796	};
2375
2376	if ($@) {
2377	warn $@;
2378	warn "error while reloading, exiting.";
2379	exit 1;
2380	}
2381
2382	warn "reloaded";
2383	};
2384
2385	#############################################################################
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3797	}
2427		3798
2428	register_command "reload" => sub {	3799	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3800	my ($who, $arg) = @_;
2430		3801
2431	if ($who->flag (FLAG_WIZ)) {	3802	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3803	$who->message ("reloading server.");
		3804	async {
		3805	$Coro::current->{desc} = "perl_reload";
		3806	reload_perl;
		3807	};
2435	}	3808	}
2436	};	3809	};
2437		3810
2438	unshift @INC, $LIBDIR;	3811	unshift @INC, $LIBDIR;
2439		3812
2440	$TICK_WATCHER = Event->timer (	3813	my $bug_warning = 0;
2441	reentrant => 0,	3814
2442	prio => 0,	3815	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	3816	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	3817
2445	cb => sub {	3818	sub wait_for_tick {
		3819	return if tick_inhibit || $Coro::current == $Coro::main;
		3820
		3821	my $signal = new Coro::Signal;
		3822	push @WAIT_FOR_TICK, $signal;
		3823	$signal->wait;
		3824	}
		3825
		3826	sub wait_for_tick_begin {
		3827	return if tick_inhibit || $Coro::current == $Coro::main;
		3828
		3829	my $signal = new Coro::Signal;
		3830	push @WAIT_FOR_TICK_BEGIN, $signal;
		3831	$signal->wait;
		3832	}
		3833
		3834	sub tick {
		3835	if ($Coro::current != $Coro::main) {
		3836	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3837	unless ++$bug_warning > 10;
		3838	return;
		3839	}
		3840
2446	cf::server_tick; # one server iteration	3841	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;
2449		3842
2450	$WAIT_FOR_TICK->broadcast;	3843	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3844	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2452		3845	Coro::async_pool {
2453	# if we are delayed by four ticks or more, skip them all	3846	$Coro::current->{desc} = "runtime saver";
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455
2456	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	3847	write_runtime_sync
2478	or warn "ERROR: unable to write runtime file: $!";	3848	or warn "ERROR: unable to write runtime file: $!";
2479	})->();	3849	};
2480	},	3850	}
2481	);	3851
		3852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3853	$sig->send;
		3854	}
		3855	while (my $sig = shift @WAIT_FOR_TICK) {
		3856	$sig->send;
		3857	}
		3858
		3859	$LOAD = ($NOW - $TICK_START) / $TICK;
		3860	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3861
		3862	if (0) {
		3863	if ($NEXT_TICK) {
		3864	my $jitter = $TICK_START - $NEXT_TICK;
		3865	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3866	warn "jitter $JITTER\n";#d#
		3867	}
		3868	}
		3869	}
		3870
		3871	{
		3872	# configure BDB
		3873
		3874	BDB::min_parallel 8;
		3875	BDB::max_poll_reqs $TICK * 0.1;
		3876	$AnyEvent::BDB::WATCHER->priority (1);
		3877
		3878	unless ($DB_ENV) {
		3879	$DB_ENV = BDB::db_env_create;
		3880	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3881	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3882	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3883	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3884	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3885
		3886	cf::sync_job {
		3887	eval {
		3888	BDB::db_env_open
		3889	$DB_ENV,
		3890	$BDBDIR,
		3891	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3892	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3893	0666;
		3894
		3895	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3896	};
		3897
		3898	cf::cleanup "db_env_open(db): $@" if $@;
		3899	};
		3900	}
		3901
		3902	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3903	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3904	};
		3905	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3906	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3907	};
		3908	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3909	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3910	};
		3911	}
		3912
		3913	{
		3914	# configure IO::AIO
		3915
		3916	IO::AIO::min_parallel 8;
		3917	IO::AIO::max_poll_time $TICK * 0.1;
		3918	undef $AnyEvent::AIO::WATCHER;
		3919	}
		3920
		3921	my $_log_backtrace;
		3922
		3923	sub _log_backtrace {
		3924	my ($msg, @addr) = @_;
		3925
		3926	$msg =~ s/\n//;
		3927
		3928	# limit the # of concurrent backtraces
		3929	if ($_log_backtrace < 2) {
		3930	++$_log_backtrace;
		3931	my $perl_bt = Carp::longmess $msg;
		3932	async {
		3933	$Coro::current->{desc} = "abt $msg";
		3934
		3935	my @bt = fork_call {
		3936	@addr = map { sprintf "%x", $_ } @addr;
		3937	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3938	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3939	or die "addr2line: $!";
		3940
		3941	my @funcs;
		3942	my @res = <$fh>;
		3943	chomp for @res;
		3944	while (@res) {
		3945	my ($func, $line) = splice @res, 0, 2, ();
		3946	push @funcs, "[$func] $line";
		3947	}
		3948
		3949	@funcs
		3950	};
		3951
		3952	LOG llevInfo, "[ABT] $perl_bt\n";
		3953	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3954	LOG llevInfo, "[ABT] $_\n" for @bt;
		3955	--$_log_backtrace;
		3956	};
		3957	} else {
		3958	LOG llevInfo, "[ABT] $msg\n";
		3959	LOG llevInfo, "[ABT] [suppressed]\n";
		3960	}
		3961	}
		3962
		3963	# load additional modules
		3964	require "cf/$_.pm" for @EXTRA_MODULES;
2482		3965
2483	END { cf::emergency_save }	3966	END { cf::emergency_save }
2484		3967
2485	1	3968	1
2486		3969

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