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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 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 = ();
		84
		85	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
		88	our %EXT_CORO = (); # coroutines bound to extensions
		89	our %EXT_MAP = (); # pluggable maps
39		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	92	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		93
43	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
44	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
45	our $NEXT_TICK;	112	our $NEXT_TICK;
46	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);
47		121
48	our %CFG;	122	our %CFG;
49		123
50	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
52		127
53	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	130	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		131
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	132	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $REALLY_UNLOOP; # never set to true, please :)
61		144
62	binmode STDOUT;	145	binmode STDOUT;
63	binmode STDERR;	146	binmode STDERR;
64		147
65	# read virtual server time, if available	148	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
70	}	153	}
71		154
72	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		156
78	# a special map that is always available	157	mkdir $_
79	our $LINK_MAP;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		159
80	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
		161
		162	sub cf::map::normalise;
81		163
82	#############################################################################	164	#############################################################################
83		165
84	=head2 GLOBAL VARIABLES	166	=head2 GLOBAL VARIABLES
85		167
…		…
92	=item $cf::RUNTIME	174	=item $cf::RUNTIME
93		175
94	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
95	every server tick.	177	every server tick.
96		178
97	=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
98		182
99	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		187
102	=item $cf::NOW	188	=item $cf::NOW
103		189
104	The time of the last (current) server tick.	190	The time of the last (current) server tick.
105		191
106	=item $cf::TICK	192	=item $cf::TICK
107		193
108	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
109		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
110	=item %cf::CFG	206	=item %cf::CFG
111		207
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	209	from wherever your confdir points to.
114		210
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		212
117	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
118	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
119	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.
120	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.
121		222
122	=back	223	=back
123		224
124	=cut	225	=cut
125		226
126	BEGIN {	227	BEGIN {
127	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	229	my $msg = join "", @_;
129	utf8::encode $msg;
130		230
131	$msg .= "\n"	231	$msg .= "\n"
132	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
133		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
134	LOG llevError, $msg;	236	LOG llevError, $msg;
135	};	237	};
136	}	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#?
137		254
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		262
145	# 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
146	# within the Safe compartment.	264	# within the Safe compartment.
147	for my $pkg (qw(	265	for my $pkg (qw(
148	cf::global cf::attachable	266	cf::global cf::attachable
149	cf::object cf::object::player	267	cf::object cf::object::player
150	cf::client cf::player	268	cf::client cf::player
151	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
152	cf::map cf::party cf::region	271	cf::party cf::region
153	)) {	272	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	274	}
157		275
158	$Event::DIED = sub {	276	$EV::DIED = sub {
159	warn "error in event callback: @_";	277	warn "error in event callback: @_";
160	};	278	};
161		279
162	my %ext_pkg;	280	#############################################################################
163	my @exts;
164	my @hook;
165		281
166	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
167		283
168	=over 4	284	=over 4
169		285
…		…
188	$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;
189	$d	305	$d
190	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
191	}	307	}
192		308
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
196		310
197	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
198		312
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
207		314
208	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
209		316
210	=cut	317	=cut
211		318
212	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
214	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;
215	}	336	}
216		337
217	=item cf::lock_wait $string	338	=item cf::lock_wait $string
218		339
219	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
220		341
221	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
222		343
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
226	returned.	347	returned.
227		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
228	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
229	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
230		354
231	=cut	355	=item $locked = cf::lock_active $string
232		356
233	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
234		362
235	sub lock_wait($) {	363	sub lock_wait($) {
236	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	365	}
244		366
245	sub lock_acquire($) {	367	sub lock_acquire($) {
246	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
247		370
248	# wait, to be sure we are not locked	371	sub lock_active($) {
249	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	373	}
258		374
259	sub freeze_mainloop {	375	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
261		377
262	my $guard = Coro::guard { $TICK_WATCHER->start };	378	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	379	}
264	$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	$sig->wait;
265	}	454	}
266		455
267	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
268		457
269	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		463
275	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
276		465
277	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
278		467
279	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
282		472
283	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
286	fast or be very important.	476	fast or be very important.
…		…
289		479
290	sub sync_job(&) {	480	sub sync_job(&) {
291	my ($job) = @_;	481	my ($job) = @_;
292		482
293	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
294	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
296		488
297	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	490
299	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
300		492
301	my $busy = 1;	493	my $busy = 1;
302	my @res;	494	my @res;
303		495
304	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	498	@res = eval { $job->() };
306	warn $@ if $@;	499	warn $@ if $@;
307	undef $busy;	500	undef $busy;
308	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
309		502
310	while ($busy) {	503	while ($busy) {
311	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
312	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
313		514
314	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
315	} else {	516	} else {
316	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
317		518
…		…
319	}	520	}
320	}	521	}
321		522
322	=item $coro = cf::async_ext { BLOCK }	523	=item $coro = cf::async_ext { BLOCK }
323		524
324	Like async, but this coro is automcatially being canceled when the	525	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	526	extension calling this is being unloaded.
326		527
327	=cut	528	=cut
328		529
329	sub async_ext(&) {	530	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
338		539
339	$coro	540	$coro
340	}	541	}
341		542
342	sub write_runtime {	543	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		544
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
346	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.
347		549
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	550	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		551
352	aio_fsync $fh	552	sub fork_call(&@) {
353	and return;	553	my ($cb, @args) = @_;
354		554
355	close $fh	555	# we seemingly have to make a local copy of the whole thing,
356	or return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
357		558
358	aio_rename "$runtime~", $runtime	559	my @res = Coro::Util::fork_eval {
359	and return;	560	reset_signals;
		561	&$cb
		562	}, @args;
360		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($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
361	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		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 });
362	}	730	}
363		731
364	=back	732	=back
365		733
366	=cut	734	=cut
367		735
368	#############################################################################	736	#############################################################################
369		737
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
493		739
494	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
495	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")
496	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
497		743
498	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>
499	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
500	crossfire+).	746	Deliantra).
501		747
502	=over 4	748	=over 4
503		749
504	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
505		751
…		…
549	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
550		796
551	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
553		799
554	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
556		802
557	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
558		804
559	=over 4	805	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	865	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	866	our @CB_MAP = ();
621		867
622	my %attachment;	868	my %attachment;
623		869
		870	sub cf::attachable::thawer_merge {
		871	# simply override everything except _meta
		872	local $_[0]{_meta};
		873	%{$_[0]} = %{$_[1]};
		874	}
		875
624	sub _attach_cb($$$$) {	876	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	877	my ($registry, $event, $prio, $cb) = @_;
626		878
627	use sort 'stable';	879	use sort 'stable';
628		880
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
663		915
664	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		920
669	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	922	my $pkg = shift @arg;
671		923
672	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
702	}	954	}
703		955
704	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
705	} else {	957	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	959	}
708		960
709	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
710	}	962	}
711		963
…		…
713	if (ref $_[0]) {	965	if (ref $_[0]) {
714	_object_attach @_;	966	_object_attach @_;
715	} else {	967	} else {
716	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
717	}	969	}
		970	_recalc_want;
718	};	971	};
719		972
720	# all those should be optimised	973	# all those should be optimised
721	sub cf::attachable::detach {	974	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
726	reattach ($obj);	979	reattach ($obj);
727	} else {	980	} else {
728	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
729	}	982	}
		983	_recalc_want;
730	};	984	};
731		985
732	sub cf::attachable::attached {	986	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
734		988
…		…
749	";	1003	";
750	die if $@;	1004	die if $@;
751	}	1005	}
752		1006
753	our $override;	1007	our $override;
754	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?
755		1009
756	sub override {	1010	sub override {
757	$override = 1;	1011	$override = 1;
758	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
759	}	1013	}
760		1014
761	sub do_invoke {	1015	sub do_invoke {
762	my $event = shift;	1016	my $event = shift;
763	my $callbacks = shift;	1017	my $callbacks = shift;
764		1018
765	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
766		1020
767	local $override;	1021	local $override;
768		1022
769	for (@$callbacks) {	1023	for (@$callbacks) {
770	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
779	}	1033	}
780		1034
781	0	1035	0
782	}	1036	}
783		1037
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1039
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1041
788	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
789		1043
790	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
791	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
792	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1047
794	=back	1048	=back
795		1049
796	=cut	1050	=cut
797		1051
798	#############################################################################	1052	#############################################################################
799	# 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	}
800		1096
801	sub reattach {	1097	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
803	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
804		1103
805	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
806		1105
807	@$registry = ();	1106	@$registry = ();
808		1107
…		…
823	cf::attachable->attach (	1122	cf::attachable->attach (
824	prio => -1000000,	1123	prio => -1000000,
825	on_instantiate => sub {	1124	on_instantiate => sub {
826	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
827		1126
828	$data = from_json $data;	1127	$data = decode_json $data;
829		1128
830	for (@$data) {	1129	for (@$data) {
831	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
832		1131
833	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1148	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
851		1150
852	sync_job {	1151	sync_job {
853	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
856		1156
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$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;
860	aio_fsync $fh;	1162	aio_fsync $fh;
		1163	}
861	close $fh;	1164	aio_close $fh;
862		1165
863	if (@$objs) {	1166	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	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;
868	aio_fsync $fh;	1173	aio_fsync $fh;
		1174	}
869	close $fh;	1175	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
871	}	1177	}
872	} else {	1178	} else {
873	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
874	}	1180	}
875		1181
876	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1186	} else {
878	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
879	}	1188	}
880	} else {	1189	} else {
881	aio_unlink $filename;	1190	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
883	}	1192	}
884	}	1193	};
885	}	1194	}
886		1195
887	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
889		1198
…		…
901	or return;	1210	or return;
902		1211
903	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
905	or return;	1214	or return;
		1215
906	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
907	}	1218	}
908		1219
		1220	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
911	return ($data, $av);	1224	($data, $av)
912	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
913		1232
914	#############################################################################	1233	#############################################################################
915	# command handling &c	1234	# command handling &c
916		1235
917	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1250	}
932		1251
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1253
935	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.
936		1259
937	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
938	called.	1261	called.
939		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
940	=cut	1274	=cut
941		1275
942	sub register_extcmd {	1276	sub register_extcmd {
943	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
944		1278
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	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->[0]->($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
983	sub register {	1331	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1332	sub cache_extensions {
990	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
991		1334
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1338	}
1042	}	1339	};
1043		1340
1044	# remove extcmds	1341	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1342	}
1058		1343
1059	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
1060	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1349	next unless -r $path;
1062	eval {	1350
1063	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;
1064	1	1407	}
1065	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
1066	}	1413	};
1067	}	1414	}
1068		1415
1069	#############################################################################	1416	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1417
1072	*cf::mapsupport::on_clean = sub {	1418	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1419
1085	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1086		1421
1087	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1088		1423
1089	=cut	1424	=cut
1090		1425
1091	package cf::player;	1426	package cf::player;
1092		1427
…		…
1094		1429
1095	=head3 cf::player	1430	=head3 cf::player
1096		1431
1097	=over 4	1432	=over 4
1098		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
1099	=item cf::player::find $login	1448	=item cf::player::find $login
1100		1449
1101	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1102		1451
1103	=cut	1452	=cut
1104		1453
1105	sub playerdir($) {	1454	sub playerdir($) {
1106	cf::localdir	1455	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1457	}
1112		1458
1113	sub path($) {	1459	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1461
1116	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
1117	}	1463	}
1118		1464
1119	sub find_active($) {	1465	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
1124		1470
1125	sub exists($) {	1471	sub exists($) {
1126	my ($login) = @_;	1472	my ($login) = @_;
1127		1473
1128	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1475	or !aio_stat path $login
1130	}	1476	}
1131		1477
1132	sub find($) {	1478	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1480	my $login = $_[0];
1135		1481
1136	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
1137		1483
1138	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
1139	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
1140	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;
1141	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1142	}	1501	}
1143	}	1502	}
1144	}	1503	}
1145		1504
…		…
1154	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1155		1514
1156	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1158		1517
		1518	cf::get_slot 0.01;
		1519
1159	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1160	Coro::cede;	1521	cf::cede_to_tick;
1161	}	1522	}
1162		1523
1163	sub new($) {	1524	sub new($) {
1164	my ($login) = @_;	1525	my ($login) = @_;
1165		1526
…		…
1171	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1172		1533
1173	$self	1534	$self
1174	}	1535	}
1175		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
1176	=item $pl->quit_character	1547	=item $pl->quit_character
1177		1548
1178	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
1179	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1180		1551
1181	=cut	1552	=cut
1182		1553
1183	sub quit_character {	1554	sub quit_character {
1184	my ($pl) = @_;	1555	my ($pl) = @_;
1185		1556
		1557	my $name = $pl->ob->name;
		1558
1186	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1187	$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
1188		1561
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1193		1568
1194	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1595	}
1201		1596
1202	=item cf::player::list_logins	1597	=item cf::player::list_logins
1203		1598
1204	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
1205	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1206		1601
1207	=cut	1602	=cut
1208		1603
1209	sub list_logins {	1604	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1606	or return [];
1212		1607
1213	my @logins;	1608	my @logins;
1214		1609
1215	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") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1219		1620
1220	utf8::decode $login;	1621	utf8::decode $login;
1221	push @logins, $login;	1622	push @logins, $login;
1222	}	1623	}
1223		1624
1224	\@logins	1625	\@logins
1225	}	1626	}
1226		1627
1227	=item $player->maps	1628	=item $player->maps
1228		1629
1229	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
1230	player. May block.	1631	player. May block.
1231		1632
1232	=cut	1633	=cut
1233		1634
1234	sub maps($) {	1635	sub maps($) {
1235	my ($pl) = @_;	1636	my ($pl) = @_;
		1637
		1638	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1639
1237	my $files = aio_readdir playerdir $pl	1640	my $files = aio_readdir playerdir $pl
1238	or return;	1641	or return;
1239		1642
1240	my @paths;	1643	my @paths;
1241		1644
1242	for (@$files) {	1645	for (@$files) {
1243	utf8::decode $_;	1646	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1647	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1648	next unless /^$PATH_SEP/o;
1246		1649
1247	s/$PATH_SEP/\//g;	1650	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1651	}
1250		1652
1251	\@paths	1653	\@paths
1252	}	1654	}
1253		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1255		1661
1256	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1257		1663
1258	=cut	1664	=cut
1259		1665
1260	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1262		1668
1263	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1670	}
1267		1671
1268	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		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	}
1269		1712
1270	=back	1713	=back
1271
1272		1714
1273	=head3 cf::map	1715	=head3 cf::map
1274		1716
1275	=over 4	1717	=over 4
1276		1718
…		…
1279	package cf::map;	1721	package cf::map;
1280		1722
1281	use Fcntl;	1723	use Fcntl;
1282	use Coro::AIO;	1724	use Coro::AIO;
1283		1725
		1726	use overload
		1727	'""' => \&as_string,
		1728	fallback => 1;
		1729
1284	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1286		1732
1287	sub generate_random_map {	1733	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1737
1290	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1739	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1743	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1744	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1745	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1746	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1747	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$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},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1749	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1750	(cf::region::find $rmp->{region}), $rmp->{custom}
		1751	)
1304	}	1752	}
1305		1753
1306	# and all this just because we cannot iterate over	1754	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1755
1311	$_->change_map_light ($change)	1756	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1757	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1758	default).
1314		1759
1315	sub try_load_header($) {	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 {
1316	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) = @_;
1317		1899
1318	utf8::encode $path;	1900	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1320	or return;	1902	or return;
1321		1903
1322	my $map = cf::map::new	1904	$self->_load_header ($f)
1323	or return;	1905	or return;
1324		1906
1325	# for better error messages only, will be overwritten	1907	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1908	$f->resolve_delayed_derefs;
1327		1909
1328	$map->load_header ($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
1329	or return;	1953	or return;
		1954	$self->prepare_orig;
		1955	}
1330		1956
1331	$map->{load_path} = $path;	1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
1332		1959
1333	$map	1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
		1963	1
1334	}	1964	}
1335		1965
1336	sub find;	1966	sub find;
1337	sub find {	1967	sub find {
1338	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1339		1969
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1971
1345	cf::lock_wait "map_find:$key";	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1349		1974
1350	# do it the slow way	1975	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	1976	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1977	or return;
1369		1978
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1382		1980
1383	Coro::cede;	1981	$map->load_header
		1982	or return;
1384		1983
1385	if ($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;
1386	$map->reset;	1989	$map->reset;
1387	undef $guard;
1388	$map = find $path	1990	return find $path;
1389	or return;
1390	}	1991	}
1391		1992
1392	$cf::MAP{$key} = $map	1993	$cf::MAP{$path} = $map
1393	}	1994	}
1394	}	1995	}
		1996
		1997	sub pre_load { }
		1998	sub post_load { }
1395		1999
1396	sub load {	2000	sub load {
1397	my ($self) = @_;	2001	my ($self) = @_;
1398		2002
		2003	local $self->{deny_reset} = 1; # loading can take a long time
		2004
1399	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2008	my $guard = cf::lock_acquire "map_data:$path";
1401		2009
		2010	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2012
1404	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1405		2014
1406	$self->alloc;	2015	$self->alloc;
1407	$self->load_objects ($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)
1408	or return;	2023	or return;
1409		2024
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1411	if delete $self->{load_original};	2026	if delete $self->{load_original};
1412		2027
1413	if (my $uniq = $path->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2029	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2032	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1418	}	2036	}
1419	}	2037	}
1420		2038
1421	Coro::cede;	2039	$f->resolve_delayed_derefs;
1422		2040
		2041	cf::cede_to_tick;
1423	# now do the right thing for maps	2042	# now do the right thing for maps
1424	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1435	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;
1436	$self->activate;	2053	$self->activate;
1437	}	2054	}
1438		2055
1439	Coro::cede;	2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
1440		2058
1441	$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	$self
		2075	}
		2076
		2077	# find and load all maps in the 3x3 area around a map
		2078	sub load_neighbours {
		2079	my ($map) = @_;
		2080
		2081	my @neigh; # diagonal neighbours
		2082
		2083	for (0 .. 3) {
		2084	my $neigh = $map->tile_path ($_)
		2085	or next;
		2086	$neigh = find $neigh, $map
		2087	or next;
		2088	$neigh->load;
		2089
		2090	push @neigh,
		2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2093	}
		2094
		2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
		2097	my $neigh = find $path, $origin
		2098	or next;
		2099	$neigh->load;
		2100	}
1442	}	2101	}
1443		2102
1444	sub find_sync {	2103	sub find_sync {
1445	my ($path, $origin) = @_;	2104	my ($path, $origin) = @_;
1446		2105
1447	cf::sync_job { cf::map::find $path, $origin }	2106	cf::sync_job { find $path, $origin }
1448	}	2107	}
1449		2108
1450	sub do_load_sync {	2109	sub do_load_sync {
1451	my ($map) = @_;	2110	my ($map) = @_;
1452		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1453	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
		2116	}
		2117
		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
		2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
		2135	while (%MAP_PREFETCH) {
		2136	while (my ($k, $v) = each %MAP_PREFETCH) {
		2137	if (my $map = find $k) {
		2138	$map->load if $v;
		2139	}
		2140
		2141	delete $MAP_PREFETCH{$k};
		2142	}
		2143	}
		2144	undef $MAP_PREFETCHER;
		2145	};
		2146	$MAP_PREFETCHER->prio (6);
		2147
		2148	()
1454	}	2149	}
1455		2150
1456	sub save {	2151	sub save {
1457	my ($self) = @_;	2152	my ($self) = @_;
1458		2153
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2155
1461	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1462		2157
1463	return unless $self->dirty;	2158	return unless $self->dirty;
1464		2159
1465	my $save = $self->{path}->save_path; utf8::encode $save;	2160	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2161	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		2162
1468	$self->{load_path} = $save;	2163	$self->{load_path} = $save;
1469		2164
1470	return if $self->{deny_save};	2165	return if $self->{deny_save};
1471		2166
1472	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1473		2168
1474	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1475	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1476	};	2172	};
1477		2173
		2174	cf::get_slot 0.02;
		2175
1478	if ($uniq) {	2176	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	2179	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	2181	}
1484	}	2182	}
1485		2183
1486	sub swap_out {	2184	sub swap_out {
1487	my ($self) = @_;	2185	my ($self) = @_;
1488		2186
1489	# save first because save cedes	2187	# save first because save cedes
1490	$self->save;	2188	$self->save;
1491		2189
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2191
1494	return if $self->players;	2192	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1496	return if $self->{deny_save};	2194	return if $self->{deny_save};
1497		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1498	$self->clear;	2200	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2201	}
1501		2202
1502	sub reset_at {	2203	sub reset_at {
1503	my ($self) = @_;	2204	my ($self) = @_;
1504		2205
1505	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1508		2208
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2211
…		…
1516	my ($self) = @_;	2216	my ($self) = @_;
1517		2217
1518	$self->reset_at <= $cf::RUNTIME	2218	$self->reset_at <= $cf::RUNTIME
1519	}	2219	}
1520		2220
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2221	sub reset {
1543	my ($self) = @_;	2222	my ($self) = @_;
1544		2223
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2225
1547	return if $self->players;	2226	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2227
1550	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	}
1551		2239
1552	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1553		2241
		2242	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2243	$_->clear_links_to ($self) for values %cf::MAP;
		2244	$self->clear;
1555		2245
1556	$self->unlink_save;	2246	$self->unlink_save;
1557	$self->destroy;	2247	$self->destroy;
1558	}	2248	}
1559		2249
1560	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1561		2251
1562	sub nuke {	2252	sub nuke {
1563	my ($self) = @_;	2253	my ($self) = @_;
1564		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};
1565	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2267
		2268	$cf::MAP{$self->path} = $self;
		2269	}
		2270
1568	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
1569	}	2272	}
1570		2273
1571	sub customise_for {	2274	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2275
1574	if ($map->per_player) {	2276	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
1576	}	2282	[
1577		2283	map {
1578	$map	2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
1579	}	2290	}
1580		2291
1581	package cf;	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	]
		2308	}
		2309
		2310	=item cf::map::unique_maps
		2311
		2312	Returns an arrayref of paths of all shared maps that have
		2313	instantiated unique items. May block.
		2314
		2315	=cut
		2316
		2317	sub unique_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
		2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
		2326	]
		2327	}
1582		2328
1583	=back	2329	=back
1584		2330
1585	=head3 cf::object	2331	=head3 cf::object
1586		2332
…		…
1590		2336
1591	=over 4	2337	=over 4
1592		2338
1593	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1594		2340
1595	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.
1596		2343
1597	=cut	2344	=cut
1598		2345
1599	sub inv_recursive_;	2346	sub inv_recursive_;
1600	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1603		2350
1604	sub inv_recursive {	2351	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1606	}	2353	}
1607		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
1608	package cf;	2383	package cf;
1609		2384
1610	=back	2385	=back
1611		2386
1612	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1618	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>
1619	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
1620	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1621		2396
1622	=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	};
1623		2412
1624	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2414	# with dialog boxes.
1626	#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
1627	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1629		2418
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2420
1632	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1634	} 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 {
1635	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1637	}	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 (@_);
1638	}	2446	}
1639		2447
1640	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1641		2449
1642	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1655		2463
1656	=item $player_object->enter_link	2464	=item $player_object->enter_link
1657		2465
1658	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}>).
1659		2467
1660	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.
1661	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.
1662		2474
1663	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1664		2476
1665	Moves the player out of the specila link map onto the given map. If the	2477	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2478	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2479	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2480	fails, to the emergency map position.
1669		2481
1670	Might block.	2482	Might block.
1671		2483
1672	=cut	2484	=cut
		2485
		2486	sub link_map {
		2487	unless ($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	$LINK_MAP
		2494	}
1673		2495
1674	sub cf::object::player::enter_link {	2496	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2497	my ($self) = @_;
1676		2498
1677	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1678		2500
1679	return if $self->map == $LINK_MAP;	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2502
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1683		2505
1684	$self->enter_map ($LINK_MAP, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2507	}
1686		2508
1687	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1689		2513
1690	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1691		2515
1692	unless ($map) {	2516	unless ($map) {
1693	# restore original map position	2517	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1710		2534
1711	$map->load;	2535	$map->load;
		2536	$map->load_neighbours;
1712		2537
1713	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1714	$self->activate_recursive;	2540	$self->activate_recursive;
		2541
		2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1716	}	2544	}
1717		2545
1718	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2547
1722	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1726	};	2552	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2553
1732	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1733	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2556
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1753		2560
1754	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2563
1757	$path = new cf::path $path;	2564	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2566
1760	$self->enter_link;	2567	$self->enter_link;
1761		2568
1762	(async {	2569	(async {
1763	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) {
1764	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
1765		2596	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2597	} else {
1767	# if $map;
1768
1769	$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	}
1770		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};
1771	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1772	})->prio (1);	2615	})->prio (1);
1773	}	2616	}
1774		2617
1775	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1776		2619
…		…
1778		2621
1779	sub parse_random_map_params {	2622	sub parse_random_map_params {
1780	my ($spec) = @_;	2623	my ($spec) = @_;
1781		2624
1782	my $rmp = { # defaults	2625	my $rmp = { # defaults
1783	xsize => 10,	2626	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2627	ysize => (cf::rndm 15, 40),
		2628	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2629	#layout => string,
1785	};	2630	};
1786		2631
1787	for (split /\n/, $spec) {	2632	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2633	my ($k, $v) = split /\s+/, $_, 2;
1789		2634
…		…
1801	# that depends on the exit object	2646	# that depends on the exit object
1802		2647
1803	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
1804		2649
1805	if ($exit->map) {	2650	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2651	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1810	}	2657	}
1811		2658
1812	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1813		2660
1814	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
		2663	my $meta = "$RANDOMDIR/$md5.meta";
1816		2664
1817	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) {
1818	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;
1819		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1822	}	2676	}
1823	}	2677	}
1824		2678
1825	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1829		2683
1830	$self->enter_link;	2684	$self->enter_link;
1831		2685
1832	(async {	2686	(async {
1833	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1834	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
1835	prepare_random_map $exit	2696	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2697	if $exit->slaying eq "/!";
		2698	}
1837		2699
1838	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;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
1840		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
1841	1;	2710	1
1842	}) {	2711	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1844	. "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. "
1845	. "Please report this to the dungeon master",	2714	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2716
1848	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2718	$self->leave_link;
1850	}	2719	}
1851	})->prio (1);	2720	})->prio (1);
…		…
1864		2733
1865	sub cf::client::send_drawinfo {	2734	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2735	my ($self, $text, $flags) = @_;
1867		2736
1868	utf8::encode $text;	2737	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2739	}
1871		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	}
1872		2935
1873	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
1874		2937
1875	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
1876	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>,
1877	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>.
1878		2941
1879	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
1880	reliable at some point in the future.	2943	become reliable at some point in the future.
1881		2944
1882	=cut	2945	=cut
1883		2946
1884	sub cf::client::query {	2947	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	2956	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		2958
1896	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
1898	}	2963	}
1899		2964
1900	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
1901	on_reply => sub {	2971	on_reply => sub {
1902	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
1903		2973
1904	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
1905	# get handled first	2975	# get handled first
1906	my $queue = delete $ns->{query_queue}	2976	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2977	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2978
1909	(shift @$queue)->[1]->($msg);	2979	(shift @$queue)->[1]->($msg);
		2980	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2981
1911	push @{ $ns->{query_queue} }, @$queue;	2982	push @{ $ns->{query_queue} }, @$queue;
1912		2983
1913	if (@{ $ns->{query_queue} } == @$queue) {	2984	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2985	if (@$queue) {
…		…
1916	} else {	2987	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	2989	}
1919	}	2990	}
1920	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($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	},
1921	);	3018	);
1922		3019
1923	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
1924		3021
1925	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
1966	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
1968		3065
1969	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
1970		3067
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
1972		3073
1973	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
1974		3075
1975	=pod	3076	=pod
1976		3077
1977	The following fucntions and emthods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
1978		3079
1979	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
1980	cf::object::player player	3085	cf::object::player
1981	cf::player peaceful	3086	player
1982	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
1983		3093
1984	=cut	3094	=cut
1985		3095
1986	for (	3096	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
1988	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
1990	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
1991	) {	3103	) {
1992	no strict 'refs';	3104	no strict 'refs';
1993	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
1994	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2011	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2012		3124
2013	my $qcode = $code;	3125	my $qcode = $code;
2014	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2015	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2016		3130
2017	local $_;	3131	local $_;
2018	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2019		3133
2020	my $eval =	3134	my $eval =
…		…
2063	=back	3177	=back
2064		3178
2065	=cut	3179	=cut
2066		3180
2067	#############################################################################	3181	#############################################################################
		3182	# the server's init and main functions
2068		3183
2069	=head2 EXTENSION DATABASE SUPPORT	3184	sub load_facedata($) {
		3185	my ($path) = @_;
2070		3186
2071	Crossfire maintains a very simple database for extension use. It can	3187	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3188	# for this (global event?)
2073	excludes objects.	3189	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3190
2075	The parameter C<$family> should best start with the name of the extension	3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3192
2078	=over 4	3193	warn "loading facedata from $path\n";
2079		3194
2080	=item $hashref = cf::db_get $family	3195	my $facedata;
		3196	0 < aio_load $path, $facedata
		3197	or die "$path: $!";
2081		3198
2082	Return a hashref for use by the extension C<$family>, which can be	3199	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		3200
2086	=item $value = cf::db_get $family => $key	3201	$facedata->{version} == 2
		3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		3203
2088	Returns a single value from the database	3204	# patch in the exptable
2089		3205	$facedata->{resource}{"res/exp_table"} = {
2090	=item cf::db_put $family => $hashref	3206	type => FT_RSRC,
2091		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3208	};
		3209	cf::cede_to_tick;
2141		3210
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3211	{
		3212	my $faces = $facedata->{faceinfo};
2146		3213
2147	sub db_get($;$) {	3214	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3216
2153	sub db_put($$;$) {	3217	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2156	} else {	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		3221
2162	cf::global->attach (	3222	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3223	}
2167	);
2168	}
2169		3224
2170	#############################################################################	3225	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3226	next unless $info->{smooth};
2172		3227
2173	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 {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	3371	or return;
2176		3372
2177	local $/;	3373	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2179		3375
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2181		3377
2182	$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};
2183	$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};
…		…
2189	};	3385	};
2190	warn $@ if $@;	3386	warn $@ if $@;
2191	}	3387	}
2192	}	3388	}
2193		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
2194	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
2195	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2197	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#
2198	async { Event::one_event };	3436	(async {
		3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
		3439	})->prio (Coro::PRIO_MAX);
2199	};	3440	};
2200		3441
2201	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
2202	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
2203	load_extensions;	3460	load_extensions;
2204	Event::loop;	3461
		3462	utime time, time, $RUNTIMEFILE;
		3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
2205	}	3471	}
2206		3472
2207	#############################################################################	3473	#############################################################################
2208	# initialisation and cleanup	3474	# initialisation and cleanup
2209		3475
2210	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2211	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2218	},
2219	);	3482	};
		3483	}
		3484	}
		3485
		3486	sub write_runtime_sync {
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2220	}	3519	1
2221	}	3520	}
2222		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
		3570	}
		3571
2223	sub emergency_save {	3572	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2225		3574
2226	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2227		3576
2228	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
2229	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2233	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3591	$pl->save;
2237	}	3592	}
2238	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2239		3594
2240	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2241	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2242	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3598	$map->valid or next;
2244	$map->save;	3599	$map->save;
2245	}	3600	}
2246	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
		3602
		3603	warn "emergency_perl_save: begin database checkpoint\n";
		3604	BDB::db_env_txn_checkpoint $DB_ENV;
		3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
2247	};	3610	};
2248		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
2249	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2250	}	3618	}
2251		3619
		3620	sub post_cleanup {
		3621	my ($make_core) = @_;
		3622
		3623	warn Carp::longmess "post_cleanup backtrace"
		3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
		3654	}
		3655
2252	sub reload() {	3656	sub do_reload_perl() {
2253	# can/must only be called in main	3657	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	3659	warn "can only reload from main coroutine";
2256	return;	3660	return;
2257	}	3661	}
2258		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2259	warn "reloading...";	3668	warn "reloading...";
2260		3669
2261	my $guard = freeze_mainloop;	3670	warn "entering sync_job";
		3671
		3672	cf::sync_job {
		3673	cf::write_runtime_sync; # external watchdog should not bark
2262	cf::emergency_save;	3674	cf::emergency_save;
		3675	cf::write_runtime_sync; # external watchdog should not bark
2263		3676
2264	eval {	3677	warn "syncing database to disk";
		3678	BDB::db_env_txn_checkpoint $DB_ENV;
		3679
2265	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
2266		3681
2267	# cancel all watchers	3682	warn "flushing outstanding aio requests";
2268	for (Event::all_watchers) {	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2270	}
2271
2272	# cancel all extension coros
2273	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();
2275
2276	# unload all extensions
2277	for (@exts) {
2278	warn "unloading <$_>";
2279	unload_extension $_;
2280	}
2281
2282	# unload all modules loaded from $LIBDIR
2283	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285
2286	warn "removing <$k>";
2287	delete $INC{$k};
2288
2289	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;
2291
2292	if (my $cb = $k->can ("unload_module")) {
2293	$cb->();
2294	}	3685	}
2295		3686
2296	Symbol::delete_package $k;	3687	warn "cancelling all extension coros";
		3688	$_->cancel for values %EXT_CORO;
		3689	%EXT_CORO = ();
		3690
		3691	warn "removing commands";
		3692	%COMMAND = ();
		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
		3700	warn "... unloading $pkg";
		3701
		3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
		3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2297	}	3711	}
2298		3712
2299	# sync database to disk	3713	warn "unloading all perl modules loaded from $LIBDIR";
2300	cf::db_sync;	3714	while (my ($k, $v) = each %INC) {
2301	IO::AIO::flush;	3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2302		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
		3728	}
		3729
2303	# get rid of safe::, as good as possible	3730	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3733
2307	# remove register_script_function callbacks	3734	warn "unloading cf.pm \"a bit\"";
2308	# TODO
2309
2310	# unload cf.pm "a bit"
2311	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
		3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2312		3737
2313	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3739	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2316		3741
2317	# reload cf.pm	3742	warn "unload completed, starting to reload now";
		3743
2318	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2319	require cf;	3745	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		3747
2322	# load config and database again	3748	warn "loading config and database again";
2323	cf::cfg_load;	3749	cf::reload_config;
2324	cf::db_load;
2325		3750
2326	# load extensions
2327	warn "load extensions";	3751	warn "loading extensions";
2328	cf::load_extensions;	3752	cf::load_extensions;
2329		3753
2330	# reattach attachments to objects	3754	if ($REATTACH_ON_RELOAD) {
2331	warn "reattach";	3755	warn "reattaching attachments to objects/players";
2332	_global_reattach;	3756	_global_reattach; # objects, sockets
		3757	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
		3759	warn "reattaching attachments to players";
		3760	reattach $_ for values %PLAYER;
		3761	}
		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
		3766	warn "leaving sync_job";
		3767
		3768	1
		3769	} or do {
		3770	warn $@;
		3771	cf::cleanup "error while reloading, exiting.";
		3772	};
		3773
		3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
		3780	};
		3781
		3782	our $RELOAD_WATCHER; # used only during reload
		3783
		3784	sub reload_perl() {
		3785	# doing reload synchronously and two reloads happen back-to-back,
		3786	# coro crashes during coro_state_free->destroy here.
		3787
		3788	$RELOAD_WATCHER ||= cf::async {
		3789	Coro::AIO::aio_wait cache_extensions;
		3790
		3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3792	do_reload_perl;
		3793	undef $RELOAD_WATCHER;
		3794	};
2334	};	3795	};
2335
2336	if ($@) {
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};
2344
2345	#############################################################################
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3796	}
2387
2388	register "<global>", __PACKAGE__;
2389		3797
2390	register_command "reload" => sub {	3798	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2392		3800
2393	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
		3805	reload_perl;
		3806	};
2397	}	3807	}
2398	};	3808	};
2399		3809
2400	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2401		3811
2402	$TICK_WATCHER = Event->timer (	3812	my $bug_warning = 0;
2403	reentrant => 0,	3813
2404	prio => 0,	3814	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	3815	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	3816
2407	cb => sub {	3817	sub wait_for_tick {
		3818	return if tick_inhibit || $Coro::current == $Coro::main;
		3819
		3820	my $signal = new Coro::Signal;
		3821	push @WAIT_FOR_TICK, $signal;
		3822	$signal->wait;
		3823	}
		3824
		3825	sub wait_for_tick_begin {
		3826	return if tick_inhibit || $Coro::current == $Coro::main;
		3827
		3828	my $signal = new Coro::Signal;
		3829	push @WAIT_FOR_TICK_BEGIN, $signal;
		3830	$signal->wait;
		3831	}
		3832
		3833	sub tick {
		3834	if ($Coro::current != $Coro::main) {
		3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3836	unless ++$bug_warning > 10;
		3837	return;
		3838	}
		3839
2408	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		3841
2412	$WAIT_FOR_TICK->broadcast;	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2414		3844	Coro::async_pool {
2415	# if we are delayed by four ticks or more, skip them all	3845	$Coro::current->{desc} = "runtime saver";
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417
2418	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	3846	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2441	})->();	3848	};
2442	},	3849	}
2443	);	3850
		3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3852	$sig->send;
		3853	}
		3854	while (my $sig = shift @WAIT_FOR_TICK) {
		3855	$sig->send;
		3856	}
		3857
		3858	$LOAD = ($NOW - $TICK_START) / $TICK;
		3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3860
		3861	if (0) {
		3862	if ($NEXT_TICK) {
		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
		3867	}
		3868	}
		3869
		3870	{
		3871	# configure BDB
		3872
		3873	BDB::min_parallel 8;
		3874	BDB::max_poll_reqs $TICK * 0.1;
		3875	$AnyEvent::BDB::WATCHER->priority (1);
		3876
		3877	unless ($DB_ENV) {
		3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3884
		3885	cf::sync_job {
		3886	eval {
		3887	BDB::db_env_open
		3888	$DB_ENV,
		3889	$BDBDIR,
		3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3892	0666;
		3893
		3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3895	};
		3896
		3897	cf::cleanup "db_env_open(db): $@" if $@;
		3898	};
		3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
		3910	}
		3911
		3912	{
		3913	# configure IO::AIO
		3914
		3915	IO::AIO::min_parallel 8;
		3916	IO::AIO::max_poll_time $TICK * 0.1;
		3917	undef $AnyEvent::AIO::WATCHER;
		3918	}
		3919
		3920	my $_log_backtrace;
		3921
		3922	sub _log_backtrace {
		3923	my ($msg, @addr) = @_;
		3924
		3925	$msg =~ s/\n//;
		3926
		3927	# limit the # of concurrent backtraces
		3928	if ($_log_backtrace < 2) {
		3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
		3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
		3934	my @bt = fork_call {
		3935	@addr = map { sprintf "%x", $_ } @addr;
		3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3938	or die "addr2line: $!";
		3939
		3940	my @funcs;
		3941	my @res = <$fh>;
		3942	chomp for @res;
		3943	while (@res) {
		3944	my ($func, $line) = splice @res, 0, 2, ();
		3945	push @funcs, "[$func] $line";
		3946	}
		3947
		3948	@funcs
		3949	};
		3950
		3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3953	LOG llevInfo, "[ABT] $_\n" for @bt;
		3954	--$_log_backtrace;
		3955	};
		3956	} else {
		3957	LOG llevInfo, "[ABT] $msg\n";
		3958	LOG llevInfo, "[ABT] [suppressed]\n";
		3959	}
		3960	}
		3961
		3962	# load additional modules
		3963	require "cf/$_.pm" for @EXTRA_MODULES;
2444		3964
2445	END { cf::emergency_save }	3965	END { cf::emergency_save }
2446		3966
2447	1	3967	1
2448		3968

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