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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 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 = ();
38		84
39	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
43		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	92	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		93
47	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
48	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
49	our $NEXT_TICK;	112	our $NEXT_TICK;
50	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);
51		121
52	our %CFG;	122	our %CFG;
53		123
54	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
56		127
57	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	130	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		131
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	132	# used to convert map paths into valid unix filenames by replacing / by ∕
63	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 $REALLY_UNLOOP; # never set to true, please :)
64		144
65	binmode STDOUT;	145	binmode STDOUT;
66	binmode STDERR;	146	binmode STDERR;
67		147
68	# read virtual server time, if available	148	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
73	}	153	}
74		154
75	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		156
81	# a special map that is always available	157	mkdir $_
82	our $LINK_MAP;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		159
83	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
		161
		162	sub cf::map::normalise;
84		163
85	#############################################################################	164	#############################################################################
86		165
87	=head2 GLOBAL VARIABLES	166	=head2 GLOBAL VARIABLES
88		167
…		…
95	=item $cf::RUNTIME	174	=item $cf::RUNTIME
96		175
97	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
98	every server tick.	177	every server tick.
99		178
100	=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
101		182
102	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		187
105	=item $cf::NOW	188	=item $cf::NOW
106		189
107	The time of the last (current) server tick.	190	The time of the last (current) server tick.
108		191
109	=item $cf::TICK	192	=item $cf::TICK
110		193
111	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
112		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
113	=item %cf::CFG	206	=item %cf::CFG
114		207
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	209	from wherever your confdir points to.
117		210
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		212
120	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
121	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
122	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.
123	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.
124		222
125	=back	223	=back
126		224
127	=cut	225	=cut
128		226
129	BEGIN {	227	BEGIN {
130	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	229	my $msg = join "", @_;
132	utf8::encode $msg;
133		230
134	$msg .= "\n"	231	$msg .= "\n"
135	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
136		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
137	LOG llevError, $msg;	236	LOG llevError, $msg;
138	};	237	};
139	}	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#?
140		254
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		262
148	# 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
149	# within the Safe compartment.	264	# within the Safe compartment.
150	for my $pkg (qw(	265	for my $pkg (qw(
151	cf::global cf::attachable	266	cf::global cf::attachable
152	cf::object cf::object::player	267	cf::object cf::object::player
153	cf::client cf::player	268	cf::client cf::player
154	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
155	cf::map cf::party cf::region	271	cf::party cf::region
156	)) {	272	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	274	}
160		275
161	$Event::DIED = sub {	276	$EV::DIED = sub {
162	warn "error in event callback: @_";	277	warn "error in event callback: @_";
163	};	278	};
		279
		280	#############################################################################
164		281
165	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
166		283
167	=over 4	284	=over 4
168		285
…		…
187	$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;
188	$d	305	$d
189	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
190	}	307	}
191		308
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
195		310
196	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
197		312
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
206		314
207	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
208		316
209	=cut	317	=cut
210		318
211	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
213	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;
214	}	336	}
215		337
216	=item cf::lock_wait $string	338	=item cf::lock_wait $string
217		339
218	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
219		341
220	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
221		343
222	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
223	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,
224	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
225	returned.	347	returned.
226		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
227	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
228	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
229		354
230	=cut	355	=item $locked = cf::lock_active $string
231		356
232	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
233		362
234	sub lock_wait($) {	363	sub lock_wait($) {
235	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	365	}
243		366
244	sub lock_acquire($) {	367	sub lock_acquire($) {
245	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
246		370
247	# wait, to be sure we are not locked	371	sub lock_active($) {
248	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	373	}
257		374
258	sub freeze_mainloop {	375	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
260		377
261	my $guard = Coro::guard { $TICK_WATCHER->start };	378	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	379	}
263	$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	$sig->wait;
264	}	454	}
265		455
266	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
267		457
268	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		463
274	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
275		465
276	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
277		467
278	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
281		472
282	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
285	fast or be very important.	476	fast or be very important.
…		…
288		479
289	sub sync_job(&) {	480	sub sync_job(&) {
290	my ($job) = @_;	481	my ($job) = @_;
291		482
292	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
293	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
295		488
296	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	490
298	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
299		492
300	my $busy = 1;	493	my $busy = 1;
301	my @res;	494	my @res;
302		495
303	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	498	@res = eval { $job->() };
305	warn $@ if $@;	499	warn $@ if $@;
306	undef $busy;	500	undef $busy;
307	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
308		502
309	while ($busy) {	503	while ($busy) {
310	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
311	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
312		514
313	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
314	} else {	516	} else {
315	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
316		518
…		…
336	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
337		539
338	$coro	540	$coro
339	}	541	}
340		542
341	sub write_runtime {	543	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		544
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
345	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.
346		549
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	550	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		551
351	aio_fsync $fh	552	sub fork_call(&@) {
352	and return;	553	my ($cb, @args) = @_;
353		554
354	close $fh	555	# we seemingly have to make a local copy of the whole thing,
355	or return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
356		558
357	aio_rename "$runtime~", $runtime	559	my @res = Coro::Util::fork_eval {
358	and return;	560	reset_signals;
		561	&$cb
		562	}, @args;
359		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($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
360	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		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 });
361	}	730	}
362		731
363	=back	732	=back
364		733
365	=cut	734	=cut
366		735
367	#############################################################################	736	#############################################################################
368		737
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542
543	#############################################################################
544
545	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
546		739
547	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
548	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")
549	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
550		743
551	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>
552	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
553	crossfire+).	746	Deliantra).
554		747
555	=over 4	748	=over 4
556		749
557	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
558		751
…		…
602	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
603		796
604	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
605	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
606		799
607	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
608	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.
609		802
610	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
611		804
612	=over 4	805	=over 4
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	865	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	866	our @CB_MAP = ();
674		867
675	my %attachment;	868	my %attachment;
676		869
		870	sub cf::attachable::thawer_merge {
		871	# simply override everything except _meta
		872	local $_[0]{_meta};
		873	%{$_[0]} = %{$_[1]};
		874	}
		875
677	sub _attach_cb($$$$) {	876	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	877	my ($registry, $event, $prio, $cb) = @_;
679		878
680	use sort 'stable';	879	use sort 'stable';
681		880
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
716		915
717	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		920
722	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	922	my $pkg = shift @arg;
724		923
725	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
755	}	954	}
756		955
757	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
758	} else {	957	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	959	}
761		960
762	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
763	}	962	}
764		963
…		…
766	if (ref $_[0]) {	965	if (ref $_[0]) {
767	_object_attach @_;	966	_object_attach @_;
768	} else {	967	} else {
769	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
770	}	969	}
		970	_recalc_want;
771	};	971	};
772		972
773	# all those should be optimised	973	# all those should be optimised
774	sub cf::attachable::detach {	974	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
779	reattach ($obj);	979	reattach ($obj);
780	} else {	980	} else {
781	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
782	}	982	}
		983	_recalc_want;
783	};	984	};
784		985
785	sub cf::attachable::attached {	986	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
787		988
…		…
802	";	1003	";
803	die if $@;	1004	die if $@;
804	}	1005	}
805		1006
806	our $override;	1007	our $override;
807	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?
808		1009
809	sub override {	1010	sub override {
810	$override = 1;	1011	$override = 1;
811	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
812	}	1013	}
813		1014
814	sub do_invoke {	1015	sub do_invoke {
815	my $event = shift;	1016	my $event = shift;
816	my $callbacks = shift;	1017	my $callbacks = shift;
817		1018
818	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
819		1020
820	local $override;	1021	local $override;
821		1022
822	for (@$callbacks) {	1023	for (@$callbacks) {
823	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
832	}	1033	}
833		1034
834	0	1035	0
835	}	1036	}
836		1037
837	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838		1039
839	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840		1041
841	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
842		1043
843	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
844	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
845	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		1047
847	=back	1048	=back
848		1049
849	=cut	1050	=cut
850		1051
851	#############################################################################	1052	#############################################################################
852	# 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	}
853		1096
854	sub reattach {	1097	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
856	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
857		1103
858	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
859		1105
860	@$registry = ();	1106	@$registry = ();
861		1107
…		…
876	cf::attachable->attach (	1122	cf::attachable->attach (
877	prio => -1000000,	1123	prio => -1000000,
878	on_instantiate => sub {	1124	on_instantiate => sub {
879	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
880		1126
881	$data = from_json $data;	1127	$data = decode_json $data;
882		1128
883	for (@$data) {	1129	for (@$data) {
884	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
885		1131
886	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
902	sub object_freezer_save {	1148	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
904		1150
905	sync_job {	1151	sync_job {
906	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
907	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
909		1156
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
912	aio_write $fh, 0, (length $$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;
913	aio_fsync $fh;	1162	aio_fsync $fh;
		1163	}
914	close $fh;	1164	aio_close $fh;
915		1165
916	if (@$objs) {	1166	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920	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;
921	aio_fsync $fh;	1173	aio_fsync $fh;
		1174	}
922	close $fh;	1175	aio_close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
924	}	1177	}
925	} else {	1178	} else {
926	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
927	}	1180	}
928		1181
929	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
930	} else {	1186	} else {
931	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
932	}	1188	}
933	} else {	1189	} else {
934	aio_unlink $filename;	1190	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
936	}	1192	}
937	}	1193	};
938	}	1194	}
939		1195
940	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
942		1198
…		…
954	or return;	1210	or return;
955		1211
956	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
958	or return;	1214	or return;
		1215
959	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
960	}	1218	}
961		1219
		1220	utf8::decode (my $decname = $filename);
962	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
964	return ($data, $av);	1224	($data, $av)
965	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
966		1232
967	#############################################################################	1233	#############################################################################
968	# command handling &c	1234	# command handling &c
969		1235
970	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1250	}
985		1251
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1253
988	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.
989		1259
990	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
991	called.	1261	called.
992		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
993	=cut	1274	=cut
994		1275
995	sub register_extcmd {	1276	sub register_extcmd {
996	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
997		1278
998	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
999	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
1000		1289
1001	cf::player->attach (	1290	cf::player->attach (
1002	on_command => sub {	1291	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1004		1293
…		…
1012	cf::override;	1301	cf::override;
1013	},	1302	},
1014	on_extcmd => sub {	1303	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1016		1305
1017	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1307
1019	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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1025	} else {	1323	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1325	}
1028		1326
1029	cf::override;	1327	cf::override;
1030	},	1328	},
1031	);	1329	);
1032		1330
		1331	# "readahead" all extensions
1033	sub load_extension {	1332	sub cache_extensions {
1034	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
1035		1334
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
1038	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039	$pkg =~ s/[^[:word:]]/_/g;	1338	}
1040	$pkg = "ext::$pkg";	1339	};
1041		1340
1042	warn "... loading '$path' into '$pkg'\n";	1341	$grp
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}	1342	}
1059		1343
1060	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
1061	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1349	next unless -r $path;
1063	eval {	1350
1064	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;
1065	1	1407	}
1066	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
1067	}	1413	};
1068	}	1414	}
1069		1415
1070	#############################################################################	1416	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1417
1073	*cf::mapsupport::on_clean = sub {	1418	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1419
1086	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1087		1421
1088	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1089		1423
1090	=cut	1424	=cut
1091		1425
1092	package cf::player;	1426	package cf::player;
1093		1427
…		…
1095		1429
1096	=head3 cf::player	1430	=head3 cf::player
1097		1431
1098	=over 4	1432	=over 4
1099		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
1100	=item cf::player::find $login	1448	=item cf::player::find $login
1101		1449
1102	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1103		1451
1104	=cut	1452	=cut
1105		1453
1106	sub playerdir($) {	1454	sub playerdir($) {
1107	cf::localdir	1455	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1457	}
1113		1458
1114	sub path($) {	1459	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1461
1117	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
1118	}	1463	}
1119		1464
1120	sub find_active($) {	1465	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
1125		1470
1126	sub exists($) {	1471	sub exists($) {
1127	my ($login) = @_;	1472	my ($login) = @_;
1128		1473
1129	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1475	or !aio_stat path $login
1131	}	1476	}
1132		1477
1133	sub find($) {	1478	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1480	my $login = $_[0];
1136		1481
1137	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
1138		1483
1139	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
1140	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
1141	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;
1142	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1143	}	1501	}
1144	}	1502	}
1145	}	1503	}
1146		1504
…		…
1155	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1156		1514
1157	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1159		1517
		1518	cf::get_slot 0.01;
		1519
1160	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1161	Coro::cede;	1521	cf::cede_to_tick;
1162	}	1522	}
1163		1523
1164	sub new($) {	1524	sub new($) {
1165	my ($login) = @_;	1525	my ($login) = @_;
1166		1526
…		…
1172	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1173		1533
1174	$self	1534	$self
1175	}	1535	}
1176		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
1177	=item $pl->quit_character	1547	=item $pl->quit_character
1178		1548
1179	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
1180	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1181		1551
1182	=cut	1552	=cut
1183		1553
1184	sub quit_character {	1554	sub quit_character {
1185	my ($pl) = @_;	1555	my ($pl) = @_;
1186		1556
		1557	my $name = $pl->ob->name;
		1558
1187	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1188	$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
1189		1561
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1191	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1193	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1194		1568
1195	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1595	}
1202		1596
1203	=item cf::player::list_logins	1597	=item cf::player::list_logins
1204		1598
1205	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
1206	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1207		1601
1208	=cut	1602	=cut
1209		1603
1210	sub list_logins {	1604	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1606	or return [];
1213		1607
1214	my @logins;	1608	my @logins;
1215		1609
1216	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") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1220		1620
1221	utf8::decode $login;	1621	utf8::decode $login;
1222	push @logins, $login;	1622	push @logins, $login;
1223	}	1623	}
1224		1624
1225	\@logins	1625	\@logins
1226	}	1626	}
1227		1627
1228	=item $player->maps	1628	=item $player->maps
1229		1629
1230	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
1231	player. May block.	1631	player. May block.
1232		1632
1233	=cut	1633	=cut
1234		1634
1235	sub maps($) {	1635	sub maps($) {
1236	my ($pl) = @_;	1636	my ($pl) = @_;
		1637
		1638	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1639
1238	my $files = aio_readdir playerdir $pl	1640	my $files = aio_readdir playerdir $pl
1239	or return;	1641	or return;
1240		1642
1241	my @paths;	1643	my @paths;
…		…
1243	for (@$files) {	1645	for (@$files) {
1244	utf8::decode $_;	1646	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1647	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1648	next unless /^$PATH_SEP/o;
1247		1649
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1650	push @paths, cf::map::normalise "~$pl/$_";
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},
…		…
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}), $rmp->{custom}	1750	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1751	)
1305	}	1752	}
1306		1753
1307	# and all this just because we cannot iterate over	1754	=item cf::map->register ($regex, $prio)
1308	# all maps in C++...
1309	sub change_all_map_light {
1310	my ($change) = @_;
1311		1755
1312	$_->change_map_light ($change)	1756	Register a handler for the map path matching the given regex at the
1313	for grep $_->outdoor, values %cf::MAP;	1757	givne priority (higher is better, built-in handlers have priority 0, the
1314	}	1758	default).
1315		1759
1316	sub load_map_header($) {	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 {
1317	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) = @_;
1318		1899
1319	utf8::encode $path;	1900	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1321	or return;	1902	or return;
1322		1903
1323	my $map = cf::map::new	1904	$self->_load_header ($f)
1324	or return;	1905	or return;
1325		1906
1326	# for better error messages only, will be overwritten later	1907	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	1908	$f->resolve_delayed_derefs;
1328		1909
1329	$map->load_header ($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
1330	or return;	1953	or return;
		1954	$self->prepare_orig;
		1955	}
1331		1956
1332	$map->{load_path} = $path;	1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
1333		1959
1334	$map	1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
		1963	1
1335	}	1964	}
1336		1965
1337	sub find;	1966	sub find;
1338	sub find {	1967	sub find {
1339	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1340		1969
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1971
1346	cf::lock_wait "map_find:$key";	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348	$cf::MAP{$key} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1350		1974
1351	# do it the slow way	1975	$cf::MAP{$path} || do {
1352	my $map = $path->load_temp;	1976	my $map = new_from_path cf::map $path
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1977	or return;
1365		1978
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1378		1980
1379	Coro::cede;	1981	$map->load_header
		1982	or return;
1380		1983
1381	if ($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;
1382	$map->reset;	1989	$map->reset;
1383	undef $guard;
1384	$map = find $path	1990	return find $path;
1385	or return;
1386	}	1991	}
1387		1992
1388	$cf::MAP{$key} = $map	1993	$cf::MAP{$path} = $map
1389	}	1994	}
1390	}	1995	}
		1996
		1997	sub pre_load { }
		1998	sub post_load { }
1391		1999
1392	sub load {	2000	sub load {
1393	my ($self) = @_;	2001	my ($self) = @_;
1394		2002
		2003	local $self->{deny_reset} = 1; # loading can take a long time
		2004
1395	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2008	my $guard = cf::lock_acquire "map_data:$path";
1397		2009
		2010	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1399		2012
1400	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1401		2014
1402	$self->alloc;	2015	$self->alloc;
1403	$self->load_objects ($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)
1404	or return;	2023	or return;
1405		2024
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1407	if delete $self->{load_original};	2026	if delete $self->{load_original};
1408		2027
1409	if (my $uniq = $path->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	2029	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	2032	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1414	}	2036	}
1415	}	2037	}
1416		2038
1417	Coro::cede;	2039	$f->resolve_delayed_derefs;
1418		2040
		2041	cf::cede_to_tick;
1419	# now do the right thing for maps	2042	# now do the right thing for maps
1420	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1431	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;
1432	$self->activate;	2053	$self->activate;
1433	}	2054	}
1434		2055
1435	Coro::cede;	2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
1436		2058
1437	$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	$self
1438	}	2075	}
1439		2076
1440	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2078	sub load_neighbours {
1442	my ($map) = @_;	2079	my ($map) = @_;
1443		2080
1444	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1445		2082
1446	for (0 .. 3) {	2083	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1448	or next;	2085	or next;
1449	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1450	or next;	2087	or next;
1451	$neigh->load;	2088	$neigh->load;
1452		2089
		2090	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2093	}
1456		2094
1457	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1459	or next;	2098	or next;
1460	$neigh->load;	2099	$neigh->load;
1461	}	2100	}
1462	}	2101	}
1463		2102
…		…
1468	}	2107	}
1469		2108
1470	sub do_load_sync {	2109	sub do_load_sync {
1471	my ($map) = @_;	2110	my ($map) = @_;
1472		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1473	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1474	}	2116	}
1475		2117
1476	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
		2119	our $MAP_PREFETCHER = undef;
		2120
		2121	sub find_async {
		2122	my ($path, $origin, $load) = @_;
		2123
		2124	$path = normalise $path, $origin && $origin->{path};
		2125
		2126	if (my $map = $cf::MAP{$path}) {
		2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2128	}
		2129
		2130	$MAP_PREFETCH{$path} |= $load;
		2131
1477	our $MAP_PREFETCHER = Coro::async {	2132	$MAP_PREFETCHER ||= cf::async {
1478	while () {	2133	$Coro::current->{desc} = "map prefetcher";
		2134
1479	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2137	if (my $map = find $k) {
		2138	$map->load if $v;
		2139	}
		2140
1482	my $path = delete $MAP_PREFETCH{$key};	2141	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2142	}
1488	Coro::schedule;	2143	}
		2144	undef $MAP_PREFETCHER;
1489	}	2145	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2146	$MAP_PREFETCHER->prio (6);
1504		2147
1505	()	2148	()
1506	}	2149	}
1507		2150
1508	sub save {	2151	sub save {
1509	my ($self) = @_;	2152	my ($self) = @_;
1510		2153
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2155
1513	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1514		2157
1515	return unless $self->dirty;	2158	return unless $self->dirty;
1516		2159
1517	my $save = $self->{path}->save_path; utf8::encode $save;	2160	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2161	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		2162
1520	$self->{load_path} = $save;	2163	$self->{load_path} = $save;
1521		2164
1522	return if $self->{deny_save};	2165	return if $self->{deny_save};
1523		2166
1524	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1525		2168
1526	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1527	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1528	};	2172	};
1529		2173
		2174	cf::get_slot 0.02;
		2175
1530	if ($uniq) {	2176	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2179	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2181	}
1536	}	2182	}
1537		2183
1538	sub swap_out {	2184	sub swap_out {
1539	my ($self) = @_;	2185	my ($self) = @_;
1540		2186
1541	# save first because save cedes	2187	# save first because save cedes
1542	$self->save;	2188	$self->save;
1543		2189
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2191
1546	return if $self->players;	2192	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1548	return if $self->{deny_save};	2194	return if $self->{deny_save};
1549		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1550	$self->clear;	2200	$self->clear;
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	}	2201	}
1553		2202
1554	sub reset_at {	2203	sub reset_at {
1555	my ($self) = @_;	2204	my ($self) = @_;
1556		2205
1557	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1560		2208
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2211
…		…
1568	my ($self) = @_;	2216	my ($self) = @_;
1569		2217
1570	$self->reset_at <= $cf::RUNTIME	2218	$self->reset_at <= $cf::RUNTIME
1571	}	2219	}
1572		2220
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2221	sub reset {
1587	my ($self) = @_;	2222	my ($self) = @_;
1588		2223
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2225
1591	return if $self->players;	2226	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2227
1594	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	}
1595		2239
1596	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1597		2241
		2242	$self->deactivate;
1598	$_->clear_links_to ($self) for values %cf::MAP;	2243	$_->clear_links_to ($self) for values %cf::MAP;
		2244	$self->clear;
1599		2245
1600	$self->{path}->unlink_save;	2246	$self->unlink_save;
1601	$self->destroy;	2247	$self->destroy;
1602	}	2248	}
1603		2249
1604	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1605		2251
1606	sub nuke {	2252	sub nuke {
1607	my ($self) = @_;	2253	my ($self) = @_;
1608		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};
1609	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2267
		2268	$cf::MAP{$self->path} = $self;
		2269	}
		2270
1612	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
1613	}	2272	}
1614		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		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
1615	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1616		2311
1617	Returns an arrayref of cf::path's of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2313	instantiated unique items. May block.
1619		2314
1620	=cut	2315	=cut
1621		2316
1622	sub unique_maps() {	2317	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1624	or return;	2319	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2320	utf8::decode $_;
1630	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2323	? ()
1633	push @paths, new cf::path $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2326	]
1635
1636	\@paths
1637	}	2327	}
1638
1639	package cf;
1640		2328
1641	=back	2329	=back
1642		2330
1643	=head3 cf::object	2331	=head3 cf::object
1644		2332
…		…
1648		2336
1649	=over 4	2337	=over 4
1650		2338
1651	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1652		2340
1653	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.
1654		2343
1655	=cut	2344	=cut
1656		2345
1657	sub inv_recursive_;	2346	sub inv_recursive_;
1658	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1661		2350
1662	sub inv_recursive {	2351	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1664	}	2353	}
1665		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
1666	package cf;	2383	package cf;
1667		2384
1668	=back	2385	=back
1669		2386
1670	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1676	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>
1677	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
1678	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1679		2396
1680	=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	};
1681		2412
1682	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1683	# with dialog boxes.	2414	# with dialog boxes.
1684	#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
1685	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1687		2418
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2420
1690	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1692	} 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 {
1693	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1695	}	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 (@_);
1696	}	2446	}
1697		2447
1698	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1699		2449
1700	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1713		2463
1714	=item $player_object->enter_link	2464	=item $player_object->enter_link
1715		2465
1716	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}>).
1717		2467
1718	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.
1719	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.
1720		2474
1721	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1722		2476
1723	Moves the player out of the specila link map onto the given map. If the	2477	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2478	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2479	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2480	fails, to the emergency map position.
1727		2481
1728	Might block.	2482	Might block.
1729		2483
1730	=cut	2484	=cut
		2485
		2486	sub link_map {
		2487	unless ($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	$LINK_MAP
		2494	}
1731		2495
1732	sub cf::object::player::enter_link {	2496	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2497	my ($self) = @_;
1734		2498
1735	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1736		2500
1737	return if $self->map == $LINK_MAP;	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2502
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1741		2505
1742	$self->enter_map ($LINK_MAP, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2507	}
1744		2508
1745	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1747		2513
1748	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1749		2515
1750	unless ($map) {	2516	unless ($map) {
1751	# restore original map position	2517	# restore original map position
…		…
1765	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1768		2534
1769	$map->load;	2535	$map->load;
1770	$map->load_diag;	2536	$map->load_neighbours;
1771		2537
1772	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1773	$self->activate_recursive;	2540	$self->activate_recursive;
		2541
		2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1775	}	2544	}
1776		2545
1777	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2547
1781	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1785	};	2552	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2553
1791	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1792	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808		2556
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1812		2560
1813	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2563
1816	$path = new cf::path $path;	2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2566
1818	$self->enter_link;	2567	$self->enter_link;
1819		2568
1820	(async {	2569	(async {
1821	my $map = cf::map::find $path->as_string;	2570	$Coro::current->{desc} = "player::goto $path $x $y";
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2571
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	2572	# *tag paths override both path and x|y
		2573	if ($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
1825	# if $map;	2594	if ($map) {
1826		2595	$map = $map->customise_for ($self);
		2596	$map = $check->($map) if $check && $map;
		2597	} else {
1827	$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	}
1828		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};
1829	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1830	})->prio (1);	2615	})->prio (1);
1831	}	2616	}
1832		2617
1833	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1834		2619
…		…
1836		2621
1837	sub parse_random_map_params {	2622	sub parse_random_map_params {
1838	my ($spec) = @_;	2623	my ($spec) = @_;
1839		2624
1840	my $rmp = { # defaults	2625	my $rmp = { # defaults
1841	xsize => 10,	2626	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2627	ysize => (cf::rndm 15, 40),
		2628	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2629	#layout => string,
1843	};	2630	};
1844		2631
1845	for (split /\n/, $spec) {	2632	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2633	my ($k, $v) = split /\s+/, $_, 2;
1847		2634
…		…
1859	# that depends on the exit object	2646	# that depends on the exit object
1860		2647
1861	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
1862		2649
1863	if ($exit->map) {	2650	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2651	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1868	}	2657	}
1869		2658
1870	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1871		2660
1872	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
		2663	my $meta = "$RANDOMDIR/$md5.meta";
1874		2664
1875	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) {
1876	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;
1877		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1878	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1880	}	2676	}
1881	}	2677	}
1882		2678
1883	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
…		…
1886	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1887		2683
1888	$self->enter_link;	2684	$self->enter_link;
1889		2685
1890	(async {	2686	(async {
1891	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1892	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
1893	prepare_random_map $exit	2696	prepare_random_map $exit
1894	if $exit->slaying eq "/!";	2697	if $exit->slaying eq "/!";
		2698	}
1895		2699
1896	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;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
1898		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
1899	1;	2710	1
1900	}) {	2711	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1902	. "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. "
1903	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2716
1906	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2718	$self->leave_link;
1908	}	2719	}
1909	})->prio (1);	2720	})->prio (1);
…		…
1922		2733
1923	sub cf::client::send_drawinfo {	2734	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2735	my ($self, $text, $flags) = @_;
1925		2736
1926	utf8::encode $text;	2737	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2739	}
1929		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	}
1930		2935
1931	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
1932		2937
1933	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
1934	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>,
1935	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>.
1936		2941
1937	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
1938	reliable at some point in the future.	2943	become reliable at some point in the future.
1939		2944
1940	=cut	2945	=cut
1941		2946
1942	sub cf::client::query {	2947	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2956	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2958
1954	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
1956	}	2963	}
1957		2964
1958	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
1959	on_reply => sub {	2971	on_reply => sub {
1960	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
1961		2973
1962	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
1963	# get handled first	2975	# get handled first
1964	my $queue = delete $ns->{query_queue}	2976	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2977	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2978
1967	(shift @$queue)->[1]->($msg);	2979	(shift @$queue)->[1]->($msg);
		2980	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2981
1969	push @{ $ns->{query_queue} }, @$queue;	2982	push @{ $ns->{query_queue} }, @$queue;
1970		2983
1971	if (@{ $ns->{query_queue} } == @$queue) {	2984	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2985	if (@$queue) {
…		…
1974	} else {	2987	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2989	}
1977	}	2990	}
1978	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($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	},
1979	);	3018	);
1980		3019
1981	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
1982		3021
1983	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2024	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2026		3065
2027	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2028		3067
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2030		3073
2031	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2032		3075
2033	=pod	3076	=pod
2034		3077
2035	The following fucntions and emthods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2036		3079
2037	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2038	cf::object::player player	3085	cf::object::player
2039	cf::player peaceful	3086	player
2040	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2041		3093
2042	=cut	3094	=cut
2043		3095
2044	for (	3096	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2046	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2048	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2049	) {	3103	) {
2050	no strict 'refs';	3104	no strict 'refs';
2051	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2069	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2070		3124
2071	my $qcode = $code;	3125	my $qcode = $code;
2072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2073	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2074		3130
2075	local $_;	3131	local $_;
2076	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2077		3133
2078	my $eval =	3134	my $eval =
…		…
2121	=back	3177	=back
2122		3178
2123	=cut	3179	=cut
2124		3180
2125	#############################################################################	3181	#############################################################################
		3182	# the server's init and main functions
2126		3183
2127	=head2 EXTENSION DATABASE SUPPORT	3184	sub load_facedata($) {
		3185	my ($path) = @_;
2128		3186
2129	Crossfire maintains a very simple database for extension use. It can	3187	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	3188	# for this (global event?)
2131	excludes objects.	3189	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		3190
2133	The parameter C<$family> should best start with the name of the extension	3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		3192
2136	=over 4	3193	warn "loading facedata from $path\n";
2137		3194
2138	=item $hashref = cf::db_get $family	3195	my $facedata;
		3196	0 < aio_load $path, $facedata
		3197	or die "$path: $!";
2139		3198
2140	Return a hashref for use by the extension C<$family>, which can be	3199	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		3200
2144	=item $value = cf::db_get $family => $key	3201	$facedata->{version} == 2
		3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		3203
2146	Returns a single value from the database	3204	# patch in the exptable
2147		3205	$facedata->{resource}{"res/exp_table"} = {
2148	=item cf::db_put $family => $hashref	3206	type => FT_RSRC,
2149		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	3208	};
		3209	cf::cede_to_tick;
2199		3210
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	3211	{
		3212	my $faces = $facedata->{faceinfo};
2204		3213
2205	sub db_get($;$) {	3214	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		3216
2211	sub db_put($$;$) {	3217	cf::face::set_visibility $idx, $info->{visibility};
2212	if (@_ >= 3) {	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2213	$DB->{$_[0]}{$_[1]} = $_[2];	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2214	} else {	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		3221
2220	cf::global->attach (	3222	cf::cede_to_tick;
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	3223	}
2225	);
2226	}
2227		3224
2228	#############################################################################	3225	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	3226	next unless $info->{smooth};
2230		3227
2231	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 {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3371	or return;
2234		3372
2235	local $/;	3373	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2237		3375
2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2239		3377
2240	$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};
2241	$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};
…		…
2247	};	3385	};
2248	warn $@ if $@;	3386	warn $@ if $@;
2249	}	3387	}
2250	}	3388	}
2251		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
2252	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
2253	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2255	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#
2256	async { Event::one_event };	3436	(async {
		3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
		3439	})->prio (Coro::PRIO_MAX);
2257	};	3440	};
2258		3441
2259	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
2260	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
2261	load_extensions;	3460	load_extensions;
2262	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;
2263	}	3471	}
2264		3472
2265	#############################################################################	3473	#############################################################################
2266	# initialisation and cleanup	3474	# initialisation and cleanup
2267		3475
2268	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2269	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2270	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2272	data => WF_AUTOCANCEL,
2273	signal => $signal,
2274	cb => sub {
2275	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2276	},
2277	);	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
2278	}	3519	1
		3520	}
		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 };
2279	}	3570	}
2280		3571
2281	sub emergency_save() {	3572	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2283		3574
2284	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2285		3576
2286	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
2287	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2291	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294	$pl->save;	3591	$pl->save;
2295	}	3592	}
2296	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2297		3594
2298	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2299	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2300	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3598	$map->valid or next;
2302	$map->save;	3599	$map->save;
2303	}	3600	}
2304	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";
2305	};	3610	};
2306		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
2307	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2308	}	3618	}
2309		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 $pkg\n";#d#
		3654	}
		3655
2310	sub reload() {	3656	sub do_reload_perl() {
2311	# can/must only be called in main	3657	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3659	warn "can only reload from main coroutine";
2314	return;	3660	return;
2315	}	3661	}
2316		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2317	warn "reloading...";	3668	warn "reloading...";
2318		3669
2319	warn "freezing server";	3670	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3671
		3672	cf::sync_job {
		3673	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3674	cf::emergency_save;
		3675	cf::write_runtime_sync; # external watchdog should not bark
2322		3676
2323	warn "sync database to disk";	3677	warn "syncing database to disk";
2324	cf::db_sync;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3679
2327	eval {
2328	# 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
2329		3681
2330	warn "cancel all watchers";	3682	warn "flushing outstanding aio requests";
2331	for (Event::all_watchers) {	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2333	}
2334
2335	warn "cancel all extension coros";
2336	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();
2338
2339	warn "remove commands";
2340	%COMMAND = ();
2341
2342	warn "remove ext commands";
2343	%EXTCMD = ();
2344
2345	warn "unload/nuke all extensions";
2346	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";
2348
2349	if (my $cb = $pkg->can ("unload")) {
2350	eval {
2351	$cb->($pkg);
2352	1
2353	} or warn "$pkg unloaded, but with errors: $@";
2354	}	3685	}
2355		3686
		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) {
2356	warn "... nuking $pkg";	3700	warn "... unloading $pkg";
2357	Symbol::delete_package $pkg;
2358	}
2359		3701
2360	warn "unload all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363
2364	warn "removing <$k>";
2365	delete $INC{$k};
2366
2367	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;
2369
2370	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2371	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2372	}	3711	}
2373		3712
2374	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		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 $k;
2375	}	3728	}
2376		3729
2377	warn "get rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2379	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);
2380		3733
2381	warn "unload cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
		3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383		3737
2384	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3739	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2387		3741
		3742	warn "unload completed, starting to reload now";
		3743
2388	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2389	require cf;	3745	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		3747
2392	warn "load config and database again";	3748	warn "loading config and database again";
2393	cf::cfg_load;	3749	cf::reload_config;
2394	cf::db_load;
2395		3750
2396	warn "load extensions";	3751	warn "loading extensions";
2397	cf::load_extensions;	3752	cf::load_extensions;
2398		3753
		3754	if ($REATTACH_ON_RELOAD) {
2399	warn "reattach attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3756	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3757	warn "reattaching attachments to maps";
2402	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 $RELOAD_WATCHER;
		3794	};
2403	};	3795	};
2404
2405	if ($@) {
2406	warn $@;
2407	warn "error while reloading, exiting.";
2408	exit 1;
2409	}
2410
2411	warn "reloaded";
2412	};
2413
2414	#############################################################################
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3796	}
2456		3797
2457	register_command "reload" => sub {	3798	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2459		3800
2460	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
		3805	reload_perl;
		3806	};
2464	}	3807	}
2465	};	3808	};
2466		3809
2467	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2468		3811
2469	$TICK_WATCHER = Event->timer (	3812	my $bug_warning = 0;
2470	reentrant => 0,
2471	prio => 0,
2472	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,
2474	cb => sub {
2475	$NOW = Event::time;
2476		3813
		3814	our @WAIT_FOR_TICK;
		3815	our @WAIT_FOR_TICK_BEGIN;
		3816
		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
2477	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;
2480		3841
2481	$WAIT_FOR_TICK->broadcast;	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2483		3844	Coro::async_pool {
2484	# if we are delayed by four ticks or more, skip them all	3845	$Coro::current->{desc} = "runtime saver";
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486
2487	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;
2489	},
2490	);
2491
2492	IO::AIO::max_poll_time $TICK * 0.2;
2493
2494	Event->io (
2495	fd => IO::AIO::poll_fileno,
2496	poll => 'r',
2497	prio => 5,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,
2504	after => 0,
2505	interval => 10,
2506	cb => sub {
2507	(Coro::unblock_sub {
2508	write_runtime	3846	write_runtime_sync
2509	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2510	})->();	3848	};
2511	},	3849	}
2512	);	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;
2513		3964
2514	END { cf::emergency_save }	3965	END { cf::emergency_save }
2515		3966
2516	1	3967	1
2517		3968

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