ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.480 by root, Thu Oct 8 05:09:43 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";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
46		95
47	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	97	our $DATADIR = datadir;
		98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	114	our $NEXT_TICK;
50	our $NOW;	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
		119	our $BDB_TRICKLE_WATCHER;
		120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
51		123
52	our %CFG;	124	our %CFG;
53		125
54	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
56		129
57	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	132	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		133
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	134	# 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;	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
64		146
65	binmode STDOUT;	147	binmode STDOUT;
66	binmode STDERR;	148	binmode STDERR;
67		149
68	# read virtual server time, if available	150	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
73	}	155	}
74		156
75	mkdir cf::localdir;	157	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		158
81	# a special map that is always available	159	mkdir $_
82	our $LINK_MAP;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		161
83	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
		163
		164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = [grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"}];
84		176
85	#############################################################################	177	#############################################################################
86		178
87	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
88		180
…		…
95	=item $cf::RUNTIME	187	=item $cf::RUNTIME
96		188
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	189	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	190	every server tick.
99		191
100	=item $cf::LIBDIR	192	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		193	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		194	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		195
102	The perl library directory, where extensions and cf-specific modules can	196	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	197	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		198	unique-items directory, player file directory, random maps directory and
		199	database environment.
104		200
105	=item $cf::NOW	201	=item $cf::NOW
106		202
107	The time of the last (current) server tick.	203	The time of the last (current) server tick.
108		204
109	=item $cf::TICK	205	=item $cf::TICK
110		206
111	The interval between server ticks, in seconds.	207	The interval between server ticks, in seconds.
112		208
		209	=item $cf::LOADAVG
		210
		211	The current CPU load on the server (alpha-smoothed), as a value between 0
		212	(none) and 1 (overloaded), indicating how much time is spent on processing
		213	objects per tick. Healthy values are < 0.5.
		214
		215	=item $cf::LOAD
		216
		217	The raw value load value from the last tick.
		218
113	=item %cf::CFG	219	=item %cf::CFG
114		220
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	222	from wherever your confdir points to.
117		223
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	224	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		225
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	226	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	227	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	228	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.	229
		230	=item @cf::INVOKE_RESULTS
		231
		232	This array contains the results of the last C<invoke ()> call. When
		233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		234	that call.
		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
124		241
125	=back	242	=back
126		243
127	=cut	244	=cut
128		245
129	BEGIN {	246	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	247	my $msg = join "", @_;
132	utf8::encode $msg;
133		248
134	$msg .= "\n"	249	$msg .= "\n"
135	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
136		251
		252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		253
137	LOG llevError, $msg;	254	LOG llevError, $msg;
138	};	255	};
139	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
140		270
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	275	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		276	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	277	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		278
148	# we bless all objects into (empty) derived classes to force a method lookup	279	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	280	# within the Safe compartment.
150	for my $pkg (qw(	281	for my $pkg (qw(
151	cf::global cf::attachable	282	cf::global cf::attachable
152	cf::object cf::object::player	283	cf::object cf::object::player
153	cf::client cf::player	284	cf::client cf::player
154	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
155	cf::map cf::party cf::region	287	cf::party cf::region
156	)) {	288	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	290	}
160		291
161	$Event::DIED = sub {	292	$EV::DIED = sub {
162	warn "error in event callback: @_";	293	warn "error in event callback: @_";
163	};	294	};
		295
		296	#############################################################################
164		297
165	=head2 UTILITY FUNCTIONS	298	=head2 UTILITY FUNCTIONS
166		299
167	=over 4	300	=over 4
168		301
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	321	$d
189	} || "[unable to dump $_[0]: '$@']";	322	} || "[unable to dump $_[0]: '$@']";
190	}	323	}
191		324
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
195		326
196	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
197		328
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
206		330
207	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
208		332
209	=cut	333	=cut
210		334
211	sub to_json($) {	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	336
213	JSON::Syck::Dump $_[0]	337	sub encode_json($) { $json_coder->encode ($_[0]) }
		338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
214	}	352	}
215		353
216	=item cf::lock_wait $string	354	=item cf::lock_wait $string
217		355
218	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
219		357
220	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
221		359
222	Wait until the given lock is available and then acquires it and returns	360	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,	361	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	362	for example when the coroutine gets canceled), the lock is automatically
225	returned.	363	returned.
226		364
		365	Locks are *not* recursive, locking from the same coro twice results in a
		366	deadlocked coro.
		367
227	Lock names should begin with a unique identifier (for example, cf::map::find	368	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	369	uses map_find and cf::map::load uses map_load).
229		370
230	=cut	371	=item $locked = cf::lock_active $string
231		372
232	our %LOCK;	373	Return true if the lock is currently active, i.e. somebody has locked it.
		374
		375	=cut
		376
		377	our $LOCKS = new Coro::SemaphoreSet;
233		378
234	sub lock_wait($) {	379	sub lock_wait($) {
235	my ($key) = @_;	380	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	381	}
243		382
244	sub lock_acquire($) {	383	sub lock_acquire($) {
245	my ($key) = @_;	384	$LOCKS->guard ($_[0])
		385	}
246		386
247	# wait, to be sure we are not locked	387	sub lock_active($) {
248	lock_wait $key;	388	$LOCKS->count ($_[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	}	389	}
257		390
258	sub freeze_mainloop {	391	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
260		393
261	my $guard = Coro::guard { $TICK_WATCHER->start };	394	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	395	}
263	$guard	396
		397	=item cf::periodic $interval, $cb
		398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
		410	}
		411
		412	=item cf::get_slot $time[, $priority[, $name]]
		413
		414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		415	This call blocks and returns only when you have at least C<$time> seconds
		416	of cpu time till the next tick. The slot is only valid till the next cede.
		417
		418	The optional C<$name> can be used to identify the job to run. It might be
		419	used for statistical purposes and should identify the same time-class.
		420
		421	Useful for short background jobs.
		422
		423	=cut
		424
		425	our @SLOT_QUEUE;
		426	our $SLOT_QUEUE;
		427
		428	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		429	$SLOT_QUEUE = Coro::async {
		430	$Coro::current->desc ("timeslot manager");
		431
		432	my $signal = new Coro::Signal;
		433
		434	while () {
		435	next_job:
		436	my $avail = cf::till_tick;
		437	if ($avail > 0.01) {
		438	for (0 .. $#SLOT_QUEUE) {
		439	if ($SLOT_QUEUE[$_][0] < $avail) {
		440	my $job = splice @SLOT_QUEUE, $_, 1, ();
		441	$job->[2]->send;
		442	Coro::cede;
		443	goto next_job;
		444	}
		445	}
		446	}
		447
		448	if (@SLOT_QUEUE) {
		449	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		450	push @cf::WAIT_FOR_TICK, $signal;
		451	$signal->wait;
		452	} else {
		453	Coro::schedule;
		454	}
		455	}
		456	};
		457
		458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
		461	my ($time, $pri, $name) = @_;
		462
		463	$time = $TICK * .6 if $time > $TICK * .6;
		464	my $sig = new Coro::Signal;
		465
		466	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		467	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		468	$SLOT_QUEUE->ready;
		469	$sig->wait;
264	}	470	}
265		471
266	=item cf::async { BLOCK }	472	=item cf::async { BLOCK }
267		473
268	Currently the same as Coro::async_pool, meaning you cannot use	474	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		479
274	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
275		481
276	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
277		483
278	The design of crossfire+ requires that the main coro ($Coro::main) is	484	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	485	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		487	acceptable.
281		488
282	If it must be done, put the blocking parts into C<sync_job>. This will run	489	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	490	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	491	server will be frozen during this time, so the block should either finish
285	fast or be very important.	492	fast or be very important.
…		…
288		495
289	sub sync_job(&) {	496	sub sync_job(&) {
290	my ($job) = @_;	497	my ($job) = @_;
291		498
292	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
		500	my $time = EV::time;
		501
293	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
295		504
296	# TODO: use suspend/resume instead	505	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	506
298	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
299		508
300	my $busy = 1;	509	my $busy = 1;
301	my @res;	510	my @res;
302		511
303	(async {	512	(async {
		513	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	514	@res = eval { $job->() };
305	warn $@ if $@;	515	warn $@ if $@;
306	undef $busy;	516	undef $busy;
307	})->prio (Coro::PRIO_MAX);	517	})->prio (Coro::PRIO_MAX);
308		518
309	while ($busy) {	519	while ($busy) {
310	Coro::cede or Event::one_event;	520	if (Coro::nready) {
		521	Coro::cede_notself;
		522	} else {
		523	EV::loop EV::LOOP_ONESHOT;
311	}	524	}
		525	}
		526
		527	my $time = EV::time - $time;
		528
		529	$TICK_START += $time; # do not account sync jobs to server load
312		530
313	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
314	} else {	532	} else {
315	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
316		534
…		…
336	$EXT_CORO{$coro+0} = $coro;	554	$EXT_CORO{$coro+0} = $coro;
337		555
338	$coro	556	$coro
339	}	557	}
340		558
341	sub write_runtime {	559	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		560
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	Executes the given code block with the given arguments in a seperate
345	or return;	562	process, returning the results. Everything must be serialisable with
		563	Coro::Storable. May, of course, block. Note that the executed sub may
		564	never block itself or use any form of event handling.
346		565
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	566	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		567
351	aio_fsync $fh	568	sub fork_call(&@) {
352	and return;	569	my ($cb, @args) = @_;
353		570
354	close $fh	571	# we seemingly have to make a local copy of the whole thing,
355	or return;	572	# otherwise perl prematurely frees the stuff :/
		573	# TODO: investigate and fix (likely this will be rather laborious)
356		574
357	aio_rename "$runtime~", $runtime	575	my @res = Coro::Util::fork_eval {
358	and return;	576	reset_signals;
		577	&$cb
		578	}, @args;
359		579
		580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
		608	}
		609
		610	=item $value = cf::db_get $family => $key
		611
		612	Returns a single value from the environment database.
		613
		614	=item cf::db_put $family => $key => $value
		615
		616	Stores the given C<$value> in the family. It can currently store binary
		617	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		618
		619	=item $db = cf::db_table "name"
		620
		621	Create and/or open a new database table. The string must not be "db" and must be unique
		622	within each server.
		623
		624	=cut
		625
		626	sub db_table($) {
		627	my ($name) = @_;
		628	my $db = BDB::db_create $DB_ENV;
		629
		630	eval {
		631	$db->set_flags (BDB::CHKSUM);
		632
		633	utf8::encode $name;
		634	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		635	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		636	cf::cleanup "db_open(db): $!" if $!;
		637	};
		638	cf::cleanup "db_open(db): $@" if $@;
		639
		640	$db
		641	}
		642
		643	our $DB;
		644
		645	sub db_init {
		646	cf::sync_job {
		647	$DB ||= db_table "db";
		648	};
		649	}
		650
		651	sub db_get($$) {
		652	my $key = "$_[0]/$_[1]";
		653
		654	cf::sync_job {
		655	BDB::db_get $DB, undef, $key, my $data;
		656
		657	$! ? ()
		658	: $data
360	1	659	}
		660	}
		661
		662	sub db_put($$$) {
		663	BDB::dbreq_pri 4;
		664	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		665	}
		666
		667	=item cf::cache $id => [$paths...], $processversion => $process
		668
		669	Generic caching function that returns the value of the resource $id,
		670	caching and regenerating as required.
		671
		672	This function can block.
		673
		674	=cut
		675
		676	sub cache {
		677	my ($id, $src, $processversion, $process) = @_;
		678
		679	my $meta =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	aio_stat $_
		684	and Carp::croak "$_: $!";
		685
		686	($_, (stat _)[7,9])
		687	} @$src;
		688
		689	my $dbmeta = db_get cache => "$id/meta";
		690	if ($dbmeta ne $meta) {
		691	# changed, we may need to process
		692
		693	my @data;
		694	my $md5;
		695
		696	for (0 .. $#$src) {
		697	0 <= aio_load $src->[$_], $data[$_]
		698	or Carp::croak "$src->[$_]: $!";
		699	}
		700
		701	# if processing is expensive, check
		702	# checksum first
		703	if (1) {
		704	$md5 =
		705	join "\x00",
		706	$processversion,
		707	map {
		708	cf::cede_to_tick;
		709	($src->[$_], Digest::MD5::md5_hex $data[$_])
		710	} 0.. $#$src;
		711
		712
		713	my $dbmd5 = db_get cache => "$id/md5";
		714	if ($dbmd5 eq $md5) {
		715	db_put cache => "$id/meta", $meta;
		716
		717	return db_get cache => "$id/data";
		718	}
		719	}
		720
		721	my $t1 = Time::HiRes::time;
		722	my $data = $process->(\@data);
		723	my $t2 = Time::HiRes::time;
		724
		725	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		726
		727	db_put cache => "$id/data", $data;
		728	db_put cache => "$id/md5" , $md5;
		729	db_put cache => "$id/meta", $meta;
		730
		731	return $data;
		732	}
		733
		734	db_get cache => "$id/data"
		735	}
		736
		737	=item cf::datalog type => key => value, ...
		738
		739	Log a datalog packet of the given type with the given key-value pairs.
		740
		741	=cut
		742
		743	sub datalog($@) {
		744	my ($type, %kv) = @_;
		745	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	746	}
362		747
363	=back	748	=back
364		749
365	=cut	750	=cut
366		751
367	#############################################################################	752	#############################################################################
368		753
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	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522
523	#############################################################################
524
525	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
526		755
527	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
528	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
530		759
531	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	762	Deliantra).
534		763
535	=over 4	764	=over 4
536		765
537	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
538		767
…		…
582	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
583		812
584	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
585	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
586		815
587	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
588	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
589		818
590	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
591		820
592	=over 4	821	=over 4
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	881	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	882	our @CB_MAP = ();
654		883
655	my %attachment;	884	my %attachment;
656		885
		886	sub cf::attachable::thawer_merge {
		887	# simply override everything except _meta
		888	local $_[0]{_meta};
		889	%{$_[0]} = %{$_[1]};
		890	}
		891
657	sub _attach_cb($$$$) {	892	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	893	my ($registry, $event, $prio, $cb) = @_;
659		894
660	use sort 'stable';	895	use sort 'stable';
661		896
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	930	$registry = $CB_TYPE[$object_type] ||= [];
696		931
697	} elsif ($type eq "subtype") {	932	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	933	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	934	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	935	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		936
702	} elsif ($type eq "package") {	937	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	938	my $pkg = shift @arg;
704		939
705	while (my ($name, $id) = each %cb_id) {	940	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	969	_attach $registry, $klass, @attach;
735	}	970	}
736		971
737	$obj->{$name} = \%arg;	972	$obj->{$name} = \%arg;
738	} else {	973	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	974	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	975	}
741		976
742	$obj->{_attachment}{$name} = undef;	977	$obj->{_attachment}{$name} = undef;
743	}	978	}
744		979
…		…
746	if (ref $_[0]) {	981	if (ref $_[0]) {
747	_object_attach @_;	982	_object_attach @_;
748	} else {	983	} else {
749	_attach shift->_attach_registry, @_;	984	_attach shift->_attach_registry, @_;
750	}	985	}
		986	_recalc_want;
751	};	987	};
752		988
753	# all those should be optimised	989	# all those should be optimised
754	sub cf::attachable::detach {	990	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	991	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	994	delete $obj->{_attachment}{$name};
759	reattach ($obj);	995	reattach ($obj);
760	} else {	996	} else {
761	Carp::croak "cannot, currently, detach class attachments";	997	Carp::croak "cannot, currently, detach class attachments";
762	}	998	}
		999	_recalc_want;
763	};	1000	};
764		1001
765	sub cf::attachable::attached {	1002	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	1003	my ($obj, $name) = @_;
767		1004
…		…
782	";	1019	";
783	die if $@;	1020	die if $@;
784	}	1021	}
785		1022
786	our $override;	1023	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1024	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		1025
789	sub override {	1026	sub override {
790	$override = 1;	1027	$override = 1;
791	@invoke_results = ();	1028	@INVOKE_RESULTS = (@_);
792	}	1029	}
793		1030
794	sub do_invoke {	1031	sub do_invoke {
795	my $event = shift;	1032	my $event = shift;
796	my $callbacks = shift;	1033	my $callbacks = shift;
797		1034
798	@invoke_results = ();	1035	@INVOKE_RESULTS = ();
799		1036
800	local $override;	1037	local $override;
801		1038
802	for (@$callbacks) {	1039	for (@$callbacks) {
803	eval { &{$_->[1]} };	1040	eval { &{$_->[1]} };
…		…
812	}	1049	}
813		1050
814	0	1051	0
815	}	1052	}
816		1053
817	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818		1055
819	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820		1057
821	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
822		1059
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1060	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	1061	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	1062	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		1063
827	=back	1064	=back
828		1065
829	=cut	1066	=cut
830		1067
831	#############################################################################	1068	#############################################################################
832	# object support	1069	# object support
		1070
		1071	sub _object_equal($$);
		1072	sub _object_equal($$) {
		1073	my ($a, $b) = @_;
		1074
		1075	return 0 unless (ref $a) eq (ref $b);
		1076
		1077	if ("HASH" eq ref $a) {
		1078	my @ka = keys %$a;
		1079	my @kb = keys %$b;
		1080
		1081	return 0 if @ka != @kb;
		1082
		1083	for (0 .. $#ka) {
		1084	return 0 unless $ka[$_] eq $kb[$_];
		1085	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1086	}
		1087
		1088	} elsif ("ARRAY" eq ref $a) {
		1089
		1090	return 0 if @$a != @$b;
		1091
		1092	for (0 .. $#$a) {
		1093	return 0 unless _object_equal $a->[$_], $b->[$_];
		1094	}
		1095
		1096	} elsif ($a ne $b) {
		1097	return 0;
		1098	}
		1099
		1100	1
		1101	}
		1102
		1103	our $SLOW_MERGES;#d#
		1104	sub _can_merge {
		1105	my ($ob1, $ob2) = @_;
		1106
		1107	++$SLOW_MERGES;#d#
		1108
		1109	# we do the slow way here
		1110	return _object_equal $ob1, $ob2
		1111	}
833		1112
834	sub reattach {	1113	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	1115	my ($obj) = @_;
		1116
		1117	# no longer needed after getting rid of delete_package?
		1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		1119
838	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
839		1121
840	@$registry = ();	1122	@$registry = ();
841		1123
…		…
856	cf::attachable->attach (	1138	cf::attachable->attach (
857	prio => -1000000,	1139	prio => -1000000,
858	on_instantiate => sub {	1140	on_instantiate => sub {
859	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
860		1142
861	$data = from_json $data;	1143	$data = decode_json $data;
862		1144
863	for (@$data) {	1145	for (@$data) {
864	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
865		1147
866	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
882	sub object_freezer_save {	1164	sub object_freezer_save {
883	my ($filename, $rdata, $objs) = @_;	1165	my ($filename, $rdata, $objs) = @_;
884		1166
885	sync_job {	1167	sync_job {
886	if (length $$rdata) {	1168	if (length $$rdata) {
		1169	utf8::decode (my $decname = $filename);
887	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
888	$filename, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
889		1172
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1176	if ($cf::USE_FSYNC) {
		1177	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;
893	aio_fsync $fh;	1178	aio_fsync $fh;
		1179	}
894	close $fh;	1180	aio_close $fh;
895		1181
896	if (@$objs) {	1182	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
		1187	if ($cf::USE_FSYNC) {
		1188	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;
901	aio_fsync $fh;	1189	aio_fsync $fh;
		1190	}
902	close $fh;	1191	aio_close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
904	}	1193	}
905	} else {	1194	} else {
906	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
907	}	1196	}
908		1197
909	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
910	} else {	1202	} else {
911	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
912	}	1204	}
913	} else {	1205	} else {
914	aio_unlink $filename;	1206	aio_unlink $filename;
915	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
916	}	1208	}
917	}	1209	};
918	}	1210	}
919		1211
920	sub object_freezer_as_string {	1212	sub object_freezer_as_string {
921	my ($rdata, $objs) = @_;	1213	my ($rdata, $objs) = @_;
922		1214
…		…
934	or return;	1226	or return;
935		1227
936	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
937	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
938	or return;	1230	or return;
		1231
939	$av = eval { (Storable::thaw $av)->{objs} };	1232	my $st = eval { Coro::Storable::thaw $av };
		1233	$av = $st->{objs};
940	}	1234	}
941		1235
		1236	utf8::decode (my $decname = $filename);
942	warn sprintf "loading %s (%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1238	$decname, length $data, scalar @{$av || []};
		1239
944	return ($data, $av);	1240	($data, $av)
945	}	1241	}
		1242
		1243	=head2 COMMAND CALLBACKS
		1244
		1245	=over 4
		1246
		1247	=cut
946		1248
947	#############################################################################	1249	#############################################################################
948	# command handling &c	1250	# command handling &c
949		1251
950	=item cf::register_command $name => \&callback($ob,$args);	1252	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1265	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1266	}
965		1267
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1268	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1269
968	Register a callbackf ro execution when the client sends an extcmd packet.	1270	Register a callback for execution when the client sends an (synchronous)
		1271	extcmd packet. Ext commands will be processed in the order they are
		1272	received by the server, like other user commands. The first argument is
		1273	the logged-in player. Ext commands can only be processed after a player
		1274	has logged in successfully.
969		1275
970	If the callback returns something, it is sent back as if reply was being	1276	If the callback returns something, it is sent back as if reply was being
971	called.	1277	called.
972		1278
		1279	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1280
		1281	Register a callback for execution when the client sends an (asynchronous)
		1282	exticmd packet. Exti commands are processed by the server as soon as they
		1283	are received, i.e. out of order w.r.t. other commands. The first argument
		1284	is a client socket. Exti commands can be received anytime, even before
		1285	log-in.
		1286
		1287	If the callback returns something, it is sent back as if reply was being
		1288	called.
		1289
973	=cut	1290	=cut
974		1291
975	sub register_extcmd {	1292	sub register_extcmd {
976	my ($name, $cb) = @_;	1293	my ($name, $cb) = @_;
977		1294
978	$EXTCMD{$name} = $cb;	1295	$EXTCMD{$name} = $cb;
979	}	1296	}
		1297
		1298	sub register_exticmd {
		1299	my ($name, $cb) = @_;
		1300
		1301	$EXTICMD{$name} = $cb;
		1302	}
		1303
		1304	use File::Glob ();
980		1305
981	cf::player->attach (	1306	cf::player->attach (
982	on_command => sub {	1307	on_command => sub {
983	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
984		1309
…		…
992	cf::override;	1317	cf::override;
993	},	1318	},
994	on_extcmd => sub {	1319	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1320	my ($pl, $buf) = @_;
996		1321
997	my $msg = eval { from_json $buf };	1322	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1323
999	if (ref $msg) {	1324	if (ref $msg) {
		1325	my ($type, $reply, @payload) =
		1326	"ARRAY" eq ref $msg
		1327	? @$msg
		1328	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1329
		1330	my @reply;
		1331
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1332	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1333	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1334	}
		1335
		1336	$pl->ext_reply ($reply, @reply)
		1337	if $reply;
		1338
1005	} else {	1339	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1340	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1341	}
1008		1342
1009	cf::override;	1343	cf::override;
1010	},	1344	},
1011	);	1345	);
1012		1346
		1347	# "readahead" all extensions
1013	sub load_extension {	1348	sub cache_extensions {
1014	my ($path) = @_;	1349	my $grp = IO::AIO::aio_group;
1015		1350
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1017	my $base = $1;	1352	for (grep /\.ext$/, @{$_[0]}) {
1018	my $pkg = $1;	1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1019	$pkg =~ s/[^[:word:]]/_/g;	1354	}
1020	$pkg = "ext::$pkg";	1355	};
1021		1356
1022	warn "... loading '$path' into '$pkg'\n";	1357	$grp
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}	1358	}
1039		1359
1040	sub load_extensions {	1360	sub load_extensions {
		1361	cf::sync_job {
		1362	my %todo;
		1363
1041	for my $ext (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1365	next unless -r $path;
1043	eval {	1366
1044	load_extension $ext;	1367	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1368	my $base = $1;
		1369	my $pkg = $1;
		1370	$pkg =~ s/[^[:word:]]/_/g;
		1371	$pkg = "ext::$pkg";
		1372
		1373	open my $fh, "<:utf8", $path
		1374	or die "$path: $!";
		1375
		1376	my $source = do { local $/; <$fh> };
		1377
		1378	my %ext = (
		1379	path => $path,
		1380	base => $base,
		1381	pkg => $pkg,
		1382	);
		1383
		1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1386
		1387	$ext{source} =
		1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1389	. "#line 1 \"$path\"\n{\n"
		1390	. $source
		1391	. "\n};\n1";
		1392
		1393	$todo{$base} = \%ext;
		1394	}
		1395
		1396	my %done;
		1397	while (%todo) {
		1398	my $progress;
		1399
		1400	while (my ($k, $v) = each %todo) {
		1401	for (split /,\s*/, $v->{meta}{depends}) {
		1402	goto skip
		1403	unless exists $done{$_};
		1404	}
		1405
		1406	warn "... loading '$k' into '$v->{pkg}'\n";
		1407
		1408	unless (eval $v->{source}) {
		1409	my $msg = $@ ? "$v->{path}: $@\n"
		1410	: "$v->{base}: extension inactive.\n";
		1411
		1412	if (exists $v->{meta}{mandatory}) {
		1413	warn $msg;
		1414	cf::cleanup "mandatory extension failed to load, exiting.";
		1415	}
		1416
		1417	warn $msg;
		1418	}
		1419
		1420	$done{$k} = delete $todo{$k};
		1421	push @EXTS, $v->{pkg};
		1422	$progress = 1;
1045	1	1423	}
1046	} or warn "$ext not loaded: $@";	1424
		1425	skip:
		1426	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1427	unless $progress;
		1428	}
1047	}	1429	};
1048	}	1430	}
1049		1431
1050	#############################################################################	1432	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1433
1053	*cf::mapsupport::on_clean = sub {	1434	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1435
1066	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1067		1437
1068	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1069		1439
1070	=cut	1440	=cut
1071		1441
1072	package cf::player;	1442	package cf::player;
1073		1443
…		…
1075		1445
1076	=head3 cf::player	1446	=head3 cf::player
1077		1447
1078	=over 4	1448	=over 4
1079		1449
		1450	=item cf::player::num_playing
		1451
		1452	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1453
		1454	=cut
		1455
		1456	sub num_playing {
		1457	scalar grep
		1458	$_->ob->map
		1459	&& !$_->hidden
		1460	&& !$_->ob->flag (cf::FLAG_WIZ),
		1461	cf::player::list
		1462	}
		1463
1080	=item cf::player::find $login	1464	=item cf::player::find $login
1081		1465
1082	Returns the given player object, loading it if necessary (might block).	1466	Returns the given player object, loading it if necessary (might block).
1083		1467
1084	=cut	1468	=cut
1085		1469
1086	sub playerdir($) {	1470	sub playerdir($) {
1087	cf::localdir	1471	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1472	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1473	}
1093		1474
1094	sub path($) {	1475	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1476	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1477
1097	(playerdir $login) . "/$login.pl"	1478	(playerdir $login) . "/playerdata"
1098	}	1479	}
1099		1480
1100	sub find_active($) {	1481	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1482	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1483	and $cf::PLAYER{$_[0]}->active
…		…
1105		1486
1106	sub exists($) {	1487	sub exists($) {
1107	my ($login) = @_;	1488	my ($login) = @_;
1108		1489
1109	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1491	or !aio_stat path $login
1111	}	1492	}
1112		1493
1113	sub find($) {	1494	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1496	my $login = $_[0];
1116		1497
1117	my $guard = cf::lock_acquire "user_find:$login";	1498	my $guard = cf::lock_acquire "user_find:$login";
1118		1499
1119	$cf::PLAYER{$_[0]} || do {	1500	$cf::PLAYER{$_[0]} || do {
1120	my $pl = load_pl path $login	1501	# rename old playerfiles to new ones
		1502	#TODO: remove when no longer required
		1503	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1504	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1505	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1506	aio_unlink +(playerdir $login) . "/$login.pl";
		1507
		1508	my $f = new_from_file cf::object::thawer path $login
1121	or return;	1509	or return;
		1510
		1511	my $pl = cf::player::load_pl $f
		1512	or return;
		1513
		1514	local $cf::PLAYER_LOADING{$login} = $pl;
		1515	$f->resolve_delayed_derefs;
1122	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1123	}	1517	}
1124	}	1518	}
1125	}	1519	}
1126		1520
…		…
1135	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1136		1530
1137	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
1139		1533
		1534	cf::get_slot 0.01;
		1535
1140	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1141	Coro::cede;	1537	cf::cede_to_tick;
1142	}	1538	}
1143		1539
1144	sub new($) {	1540	sub new($) {
1145	my ($login) = @_;	1541	my ($login) = @_;
1146		1542
…		…
1152	$cf::PLAYER{$login} = $self;	1548	$cf::PLAYER{$login} = $self;
1153		1549
1154	$self	1550	$self
1155	}	1551	}
1156		1552
		1553	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1554
		1555	=cut
		1556
		1557	sub send_msg {
		1558	my $ns = shift->ns
		1559	or return;
		1560	$ns->send_msg (@_);
		1561	}
		1562
1157	=item $pl->quit_character	1563	=item $pl->quit_character
1158		1564
1159	Nukes the player without looking back. If logged in, the connection will	1565	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1566	be destroyed. May block for a long time.
1161		1567
1162	=cut	1568	=cut
1163		1569
1164	sub quit_character {	1570	sub quit_character {
1165	my ($pl) = @_;	1571	my ($pl) = @_;
1166		1572
		1573	my $name = $pl->ob->name;
		1574
1167	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1169		1577
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1171	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1173	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1174		1584
1175	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1587	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1588	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1589	$pl->destroy;
		1590
		1591	my $prefix = qr<^~\Q$name\E/>;
		1592
		1593	# nuke player maps
		1594	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1595
1180	IO::AIO::aio_rmtree $temp;	1596	IO::AIO::aio_rmtree $temp;
		1597	}
		1598
		1599	=item $pl->kick
		1600
		1601	Kicks a player out of the game. This destroys the connection.
		1602
		1603	=cut
		1604
		1605	sub kick {
		1606	my ($pl, $kicker) = @_;
		1607
		1608	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1609	$pl->killer ("kicked");
		1610	$pl->ns->destroy;
1181	}	1611	}
1182		1612
1183	=item cf::player::list_logins	1613	=item cf::player::list_logins
1184		1614
1185	Returns am arrayref of all valid playernames in the system, can take a	1615	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1616	while and may block, so not sync_job-capable, ever.
1187		1617
1188	=cut	1618	=cut
1189		1619
1190	sub list_logins {	1620	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1621	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1622	or return [];
1193		1623
1194	my @logins;	1624	my @logins;
1195		1625
1196	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
		1627	my $path = path $login;
		1628
		1629	# a .pst is a dead give-away for a valid player
		1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1635	}
1200		1636
1201	utf8::decode $login;	1637	utf8::decode $login;
1202	push @logins, $login;	1638	push @logins, $login;
1203	}	1639	}
1204		1640
1205	\@logins	1641	\@logins
1206	}	1642	}
1207		1643
1208	=item $player->maps	1644	=item $player->maps
1209		1645
1210	Returns an arrayref of cf::path's of all maps that are private for this	1646	Returns an arrayref of map paths that are private for this
1211	player. May block.	1647	player. May block.
1212		1648
1213	=cut	1649	=cut
1214		1650
1215	sub maps($) {	1651	sub maps($) {
1216	my ($pl) = @_;	1652	my ($pl) = @_;
		1653
		1654	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1655
1218	my $files = aio_readdir playerdir $pl	1656	my $files = aio_readdir playerdir $pl
1219	or return;	1657	or return;
1220		1658
1221	my @paths;	1659	my @paths;
…		…
1223	for (@$files) {	1661	for (@$files) {
1224	utf8::decode $_;	1662	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1663	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1664	next unless /^$PATH_SEP/o;
1227		1665
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1666	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1667	}
1230		1668
1231	\@paths	1669	\@paths
1232	}	1670	}
1233		1671
		1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1673
		1674	Expand deliantra pod fragments into protocol xml.
		1675
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1676	=item $player->ext_reply ($msgid, @msg)
1235		1677
1236	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1237		1679
1238	=cut	1680	=cut
1239		1681
1240	sub ext_reply($$$%) {	1682	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1683	my ($self, $id, @msg) = @_;
1242		1684
1243	$msg{msgid} = $id;	1685	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1686	}
1247		1687
1248	package cf;	1688	=item $player->ext_msg ($type, @msg)
		1689
		1690	Sends an ext event to the client.
		1691
		1692	=cut
		1693
		1694	sub ext_msg($$@) {
		1695	my ($self, $type, @msg) = @_;
		1696
		1697	$self->ns->ext_msg ($type, @msg);
		1698	}
		1699
		1700	=head3 cf::region
		1701
		1702	=over 4
		1703
		1704	=cut
		1705
		1706	package cf::region;
		1707
		1708	=item cf::region::find_by_path $path
		1709
		1710	Tries to decuce the likely region for a map knowing only its path.
		1711
		1712	=cut
		1713
		1714	sub find_by_path($) {
		1715	my ($path) = @_;
		1716
		1717	my ($match, $specificity);
		1718
		1719	for my $region (list) {
		1720	if ($region->{match} && $path =~ $region->{match}) {
		1721	($match, $specificity) = ($region, $region->specificity)
		1722	if $region->specificity > $specificity;
		1723	}
		1724	}
		1725
		1726	$match
		1727	}
1249		1728
1250	=back	1729	=back
1251
1252		1730
1253	=head3 cf::map	1731	=head3 cf::map
1254		1732
1255	=over 4	1733	=over 4
1256		1734
…		…
1259	package cf::map;	1737	package cf::map;
1260		1738
1261	use Fcntl;	1739	use Fcntl;
1262	use Coro::AIO;	1740	use Coro::AIO;
1263		1741
		1742	use overload
		1743	'""' => \&as_string,
		1744	fallback => 1;
		1745
1264	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1266		1748
1267	sub generate_random_map {	1749	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1269		1753
1270	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1755	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1759	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1760	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1765	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1766	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1767	)
1285	}	1768	}
1286		1769
1287	# and all this just because we cannot iterate over	1770	=item cf::map->register ($regex, $prio)
1288	# all maps in C++...
1289	sub change_all_map_light {
1290	my ($change) = @_;
1291		1771
1292	$_->change_map_light ($change)	1772	Register a handler for the map path matching the given regex at the
1293	for grep $_->outdoor, values %cf::MAP;	1773	givne priority (higher is better, built-in handlers have priority 0, the
1294	}	1774	default).
1295		1775
1296	sub load_map_header($) {	1776	=cut
		1777
		1778	sub register {
		1779	my (undef, $regex, $prio) = @_;
		1780	my $pkg = caller;
		1781
		1782	no strict;
		1783	push @{"$pkg\::ISA"}, __PACKAGE__;
		1784
		1785	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1786	}
		1787
		1788	# also paths starting with '/'
		1789	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1790
		1791	sub thawer_merge {
		1792	my ($self, $merge) = @_;
		1793
		1794	# we have to keep some variables in memory intact
		1795	local $self->{path};
		1796	local $self->{load_path};
		1797
		1798	$self->SUPER::thawer_merge ($merge);
		1799	}
		1800
		1801	sub normalise {
1297	my ($path) = @_;	1802	my ($path, $base) = @_;
		1803
		1804	$path = "$path"; # make sure its a string
		1805
		1806	$path =~ s/\.map$//;
		1807
		1808	# map plan:
		1809	#
		1810	# /! non-realised random map exit (special hack!)
		1811	# {... are special paths that are not being touched
		1812	# ?xxx/... are special absolute paths
		1813	# ?random/... random maps
		1814	# /... normal maps
		1815	# ~user/... per-player map of a specific user
		1816
		1817	$path =~ s/$PATH_SEP/\//go;
		1818
		1819	# treat it as relative path if it starts with
		1820	# something that looks reasonable
		1821	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1822	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1823
		1824	$base =~ s{[^/]+/?$}{};
		1825	$path = "$base/$path";
		1826	}
		1827
		1828	for ($path) {
		1829	redo if s{//}{/};
		1830	redo if s{/\.?/}{/};
		1831	redo if s{/[^/]+/\.\./}{/};
		1832	}
		1833
		1834	$path
		1835	}
		1836
		1837	sub new_from_path {
		1838	my (undef, $path, $base) = @_;
		1839
		1840	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1841
		1842	$path = normalise $path, $base;
		1843
		1844	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1845	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1846	my $self = bless cf::map::new, $pkg;
		1847	$self->{path} = $path; $self->path ($path);
		1848	$self->init; # pass $1 etc.
		1849	return $self;
		1850	}
		1851	}
		1852
		1853	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1854	()
		1855	}
		1856
		1857	sub init {
		1858	my ($self) = @_;
		1859
		1860	$self
		1861	}
		1862
		1863	sub as_string {
		1864	my ($self) = @_;
		1865
		1866	"$self->{path}"
		1867	}
		1868
		1869	# the displayed name, this is a one way mapping
		1870	sub visible_name {
		1871	&as_string
		1872	}
		1873
		1874	# the original (read-only) location
		1875	sub load_path {
		1876	my ($self) = @_;
		1877
		1878	"$MAPDIR/$self->{path}.map"
		1879	}
		1880
		1881	# the temporary/swap location
		1882	sub save_path {
		1883	my ($self) = @_;
		1884
		1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1886	"$TMPDIR/$path.map"
		1887	}
		1888
		1889	# the unique path, undef == no special unique path
		1890	sub uniq_path {
		1891	my ($self) = @_;
		1892
		1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1894	"$UNIQUEDIR/$path"
		1895	}
		1896
		1897	sub decay_objects {
		1898	my ($self) = @_;
		1899
		1900	return if $self->{deny_reset};
		1901
		1902	$self->do_decay_objects;
		1903	}
		1904
		1905	sub unlink_save {
		1906	my ($self) = @_;
		1907
		1908	utf8::encode (my $save = $self->save_path);
		1909	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1911	}
		1912
		1913	sub load_header_from($) {
		1914	my ($self, $path) = @_;
1298		1915
1299	utf8::encode $path;	1916	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1917	my $f = new_from_file cf::object::thawer $path
1301	or return;	1918	or return;
1302		1919
1303	my $map = cf::map::new	1920	$self->_load_header ($f)
1304	or return;	1921	or return;
1305		1922
1306	# for better error messages only, will be overwritten later	1923	local $MAP_LOADING{$self->{path}} = $self;
1307	$map->path ($path);	1924	$f->resolve_delayed_derefs;
1308		1925
1309	$map->load_header ($path)	1926	$self->{load_path} = $path;
		1927
		1928	1
		1929	}
		1930
		1931	sub load_header_orig {
		1932	my ($self) = @_;
		1933
		1934	$self->load_header_from ($self->load_path)
		1935	}
		1936
		1937	sub load_header_temp {
		1938	my ($self) = @_;
		1939
		1940	$self->load_header_from ($self->save_path)
		1941	}
		1942
		1943	sub prepare_temp {
		1944	my ($self) = @_;
		1945
		1946	$self->last_access ((delete $self->{last_access})
		1947	|| $cf::RUNTIME); #d#
		1948	# safety
		1949	$self->{instantiate_time} = $cf::RUNTIME
		1950	if $self->{instantiate_time} > $cf::RUNTIME;
		1951	}
		1952
		1953	sub prepare_orig {
		1954	my ($self) = @_;
		1955
		1956	$self->{load_original} = 1;
		1957	$self->{instantiate_time} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959	$self->instantiate;
		1960	}
		1961
		1962	sub load_header {
		1963	my ($self) = @_;
		1964
		1965	if ($self->load_header_temp) {
		1966	$self->prepare_temp;
		1967	} else {
		1968	$self->load_header_orig
1310	or return;	1969	or return;
		1970	$self->prepare_orig;
		1971	}
1311		1972
1312	$map->{load_path} = $path;	1973	$self->{deny_reset} = 1
		1974	if $self->no_reset;
1313		1975
1314	$map	1976	$self->default_region (cf::region::find_by_path $self->{path})
		1977	unless $self->default_region;
		1978
		1979	1
1315	}	1980	}
1316		1981
1317	sub find;	1982	sub find;
1318	sub find {	1983	sub find {
1319	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1320		1985
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1987
1326	cf::lock_wait "map_find:$key";	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1327
1328	$cf::MAP{$key} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1330		1990
1331	# do it the slow way	1991	$cf::MAP{$path} || do {
1332	my $map = $path->load_temp;	1992	my $map = new_from_path cf::map $path
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1993	or return;
1345		1994
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1358		1996
1359	Coro::cede;	1997	$map->load_header
		1998	or return;
1360		1999
1361	if ($map->should_reset) {	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2001	# doing this can freeze the server in a sync job, obviously
		2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
		2004	undef $guard1;
1362	$map->reset;	2005	$map->reset;
1363	undef $guard;
1364	$map = find $path	2006	return find $path;
1365	or return;
1366	}	2007	}
1367		2008
1368	$cf::MAP{$key} = $map	2009	$cf::MAP{$path} = $map
1369	}	2010	}
1370	}	2011	}
		2012
		2013	sub pre_load { }
		2014	sub post_load { }
1371		2015
1372	sub load {	2016	sub load {
1373	my ($self) = @_;	2017	my ($self) = @_;
1374		2018
		2019	local $self->{deny_reset} = 1; # loading can take a long time
		2020
1375	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2024	my $guard = cf::lock_acquire "map_data:$path";
1377		2025
		2026	return unless $self->valid;
1378	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1379		2028
1380	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1381		2030
1382	$self->alloc;	2031	$self->alloc;
1383	$self->load_objects ($self->{load_path}, 1)	2032
		2033	$self->pre_load;
		2034	cf::cede_to_tick;
		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1384	or return;	2039	or return;
1385		2040
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1387	if delete $self->{load_original};	2042	if delete $self->{load_original};
1388		2043
1389	if (my $uniq = $path->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	2045	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1392	$self->clear_unique_items;	2048	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1394	}	2052	}
1395	}	2053	}
1396		2054
1397	Coro::cede;	2055	$f->resolve_delayed_derefs;
1398		2056
		2057	cf::cede_to_tick;
1399	# now do the right thing for maps	2058	# now do the right thing for maps
1400	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	2061	unless $self->difficulty;
		2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
1412	$self->activate;	2069	$self->activate;
1413	}	2070	}
1414		2071
1415	Coro::cede;	2072	$self->{last_save} = $cf::RUNTIME;
		2073	$self->last_access ($cf::RUNTIME);
1416		2074
1417	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
		2076	}
		2077
		2078	$self->post_load;
		2079	}
		2080
		2081	sub customise_for {
		2082	my ($self, $ob) = @_;
		2083
		2084	return find "~" . $ob->name . "/" . $self->{path}
		2085	if $self->per_player;
		2086
		2087	# return find "?party/" . $ob->name . "/" . $self->{path}
		2088	# if $self->per_party;
		2089
		2090	$self
1418	}	2091	}
1419		2092
1420	# find and load all maps in the 3x3 area around a map	2093	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	2094	sub load_neighbours {
1422	my ($map) = @_;	2095	my ($map) = @_;
1423		2096
1424	my @diag; # diagonal neighbours	2097	my @neigh; # diagonal neighbours
1425		2098
1426	for (0 .. 3) {	2099	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	2100	my $neigh = $map->tile_path ($_)
1428	or next;	2101	or next;
1429	$neigh = find $neigh, $map	2102	$neigh = find $neigh, $map
1430	or next;	2103	or next;
1431	$neigh->load;	2104	$neigh->load;
1432		2105
		2106	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2107	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2108	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	2109	}
1436		2110
1437	for (@diag) {	2111	for (grep defined $_->[0], @neigh) {
		2112	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	2113	my $neigh = find $path, $origin
1439	or next;	2114	or next;
1440	$neigh->load;	2115	$neigh->load;
1441	}	2116	}
1442	}	2117	}
1443		2118
…		…
1448	}	2123	}
1449		2124
1450	sub do_load_sync {	2125	sub do_load_sync {
1451	my ($map) = @_;	2126	my ($map) = @_;
1452		2127
		2128	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2129	if $Coro::current == $Coro::main;
		2130
1453	cf::sync_job { $map->load };	2131	cf::sync_job { $map->load };
1454	}	2132	}
1455		2133
1456	our %MAP_PREFETCH;	2134	our %MAP_PREFETCH;
		2135	our $MAP_PREFETCHER = undef;
		2136
		2137	sub find_async {
		2138	my ($path, $origin, $load) = @_;
		2139
		2140	$path = normalise $path, $origin && $origin->{path};
		2141
		2142	if (my $map = $cf::MAP{$path}) {
		2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2144	}
		2145
		2146	$MAP_PREFETCH{$path} |= $load;
		2147
1457	our $MAP_PREFETCHER = Coro::async {	2148	$MAP_PREFETCHER ||= cf::async {
1458	while () {	2149	$Coro::current->{desc} = "map prefetcher";
		2150
1459	while (%MAP_PREFETCH) {	2151	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	2152	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	2153	if (my $map = find $k) {
		2154	$map->load if $v;
		2155	}
		2156
1462	my $path = delete $MAP_PREFETCH{$key};	2157	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	2158	}
1468	Coro::schedule;	2159	}
		2160	undef $MAP_PREFETCHER;
1469	}	2161	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	2162	$MAP_PREFETCHER->prio (6);
1484		2163
1485	()	2164	()
1486	}	2165	}
1487		2166
1488	sub save {	2167	sub save {
1489	my ($self) = @_;	2168	my ($self) = @_;
1490		2169
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2170	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2171
1493	$self->{last_save} = $cf::RUNTIME;	2172	$self->{last_save} = $cf::RUNTIME;
1494		2173
1495	return unless $self->dirty;	2174	return unless $self->dirty;
1496		2175
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2176	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2177	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2178
1500	$self->{load_path} = $save;	2179	$self->{load_path} = $save;
1501		2180
1502	return if $self->{deny_save};	2181	return if $self->{deny_save};
1503		2182
1504	local $self->{last_access} = $self->last_access;#d#	2183	local $self->{last_access} = $self->last_access;#d#
1505		2184
1506	cf::async {	2185	cf::async {
		2186	$Coro::current->{desc} = "map player save";
1507	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
1508	};	2188	};
1509		2189
		2190	cf::get_slot 0.02;
		2191
1510	if ($uniq) {	2192	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2195	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2197	}
1516	}	2198	}
1517		2199
1518	sub swap_out {	2200	sub swap_out {
1519	my ($self) = @_;	2201	my ($self) = @_;
1520		2202
1521	# save first because save cedes	2203	# save first because save cedes
1522	$self->save;	2204	$self->save;
1523		2205
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2207
1526	return if $self->players;	2208	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
1528	return if $self->{deny_save};	2210	return if $self->{deny_save};
1529		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1530	$self->clear;	2216	$self->clear;
1531	$self->in_memory (cf::MAP_SWAPPED);
1532	}	2217	}
1533		2218
1534	sub reset_at {	2219	sub reset_at {
1535	my ($self) = @_;	2220	my ($self) = @_;
1536		2221
1537	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1540		2224
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2227
…		…
1548	my ($self) = @_;	2232	my ($self) = @_;
1549		2233
1550	$self->reset_at <= $cf::RUNTIME	2234	$self->reset_at <= $cf::RUNTIME
1551	}	2235	}
1552		2236
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2237	sub reset {
1575	my ($self) = @_;	2238	my ($self) = @_;
1576		2239
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2241
1579	return if $self->players;	2242	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2243
1582	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path, "\n";
		2245
		2246	$self->in_memory (cf::MAP_SWAPPED);
		2247
		2248	# need to save uniques path
		2249	unless ($self->{deny_save}) {
		2250	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2251
		2252	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2253	if $uniq;
		2254	}
1583		2255
1584	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1585		2257
		2258	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2259	$_->clear_links_to ($self) for values %cf::MAP;
		2260	$self->clear;
1587		2261
1588	$self->unlink_save;	2262	$self->unlink_save;
1589	$self->destroy;	2263	$self->destroy;
1590	}	2264	}
1591		2265
1592	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1593		2267
1594	sub nuke {	2268	sub nuke {
1595	my ($self) = @_;	2269	my ($self) = @_;
1596		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
		2274	delete $cf::MAP{$self->path};
		2275
		2276	$self->unlink_save;
		2277
		2278	bless $self, "cf::map";
		2279	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2283
		2284	$cf::MAP{$self->path} = $self;
		2285	}
		2286
1600	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
1601	}	2288	}
1602		2289
1603	sub customise_for {	2290	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2291
1606	if ($map->per_player) {	2292	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
1608	}	2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
1609		2307
1610	$map	2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1611	}	2324	}
1612		2325
1613	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1614		2327
1615	Returns an arrayref of cf::path's of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2329	instantiated unique items. May block.
1617		2330
1618	=cut	2331	=cut
1619		2332
1620	sub unique_maps() {	2333	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1622	or return;	2335	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2336	utf8::decode $_;
1628	next if /\.pst$/;	2337	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2339	? ()
1631	push @paths, new cf::path $_;	2340	: normalise $_
		2341	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2342	]
1633
1634	\@paths
1635	}	2343	}
1636
1637	package cf;
1638		2344
1639	=back	2345	=back
1640		2346
1641	=head3 cf::object	2347	=head3 cf::object
1642		2348
…		…
1646		2352
1647	=over 4	2353	=over 4
1648		2354
1649	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
1650		2356
1651	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
1652		2359
1653	=cut	2360	=cut
1654		2361
1655	sub inv_recursive_;	2362	sub inv_recursive_;
1656	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
1659		2366
1660	sub inv_recursive {	2367	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
1662	}	2369	}
1663		2370
		2371	=item $ref = $ob->ref
		2372
		2373	Creates and returns a persistent reference to an object that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
		2397	}
		2398
1664	package cf;	2399	package cf;
1665		2400
1666	=back	2401	=back
1667		2402
1668	=head3 cf::object::player	2403	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2409	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
1677		2412
1678	=cut	2413	=cut
		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
1679		2428
1680	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2430	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
…		…
1685		2434
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2436
1688	if ($self->{record_replies}) {	2437	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2439
1690	} else {	2440	} else {
		2441	my $pl = $self->contr;
		2442
		2443	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2444	my $dialog = $pl->{npc_dialog};
		2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2446
		2447	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2450	}
1693	}	2451	}
		2452	}
		2453
		2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2455
		2456	=cut
		2457
		2458	sub cf::object::send_msg {
		2459	my $pl = shift->contr
		2460	or return;
		2461	$pl->send_msg (@_);
1694	}	2462	}
1695		2463
1696	=item $player_object->may ("access")	2464	=item $player_object->may ("access")
1697		2465
1698	Returns wether the given player is authorized to access resource "access"	2466	Returns wether the given player is authorized to access resource "access"
…		…
1711		2479
1712	=item $player_object->enter_link	2480	=item $player_object->enter_link
1713		2481
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2483
1716	The player should be reaosnably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
		2488
		2489	Will never block.
1718		2490
1719	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
1720		2492
1721	Moves the player out of the specila link map onto the given map. If the	2493	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2494	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2495	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2496	fails, to the emergency map position.
1725		2497
1726	Might block.	2498	Might block.
1727		2499
1728	=cut	2500	=cut
		2501
		2502	sub link_map {
		2503	unless ($LINK_MAP) {
		2504	$LINK_MAP = cf::map::find "{link}"
		2505	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2506	$LINK_MAP->load;
		2507	}
		2508
		2509	$LINK_MAP
		2510	}
1729		2511
1730	sub cf::object::player::enter_link {	2512	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2513	my ($self) = @_;
1732		2514
1733	$self->deactivate_recursive;	2515	$self->deactivate_recursive;
1734		2516
1735	return if $self->map == $LINK_MAP;	2517	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2518
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2520	if $self->map && $self->map->{path} ne "{link}";
1739		2521
1740	$self->enter_map ($LINK_MAP, 20, 20);	2522	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2523	}
1742		2524
1743	sub cf::object::player::leave_link {	2525	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2526	my ($self, $map, $x, $y) = @_;
		2527
		2528	return unless $self->contr->active;
1745		2529
1746	my $link_pos = delete $self->{_link_pos};	2530	my $link_pos = delete $self->{_link_pos};
1747		2531
1748	unless ($map) {	2532	unless ($map) {
1749	# restore original map position	2533	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2547	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2548	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2549	if $x <=0 && $y <= 0;
1766		2550
1767	$map->load;	2551	$map->load;
1768	$map->load_diag;	2552	$map->load_neighbours;
1769		2553
1770	return unless $self->contr->active;	2554	return unless $self->contr->active;
		2555
		2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2560	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}	2561	}
1774		2562
1775	cf::player->attach (	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2564
1779	# abort map switching before logout	2565	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2566	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2567	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2568	the new (success) or old (failed) map position. In either case, $done will
1783	};	2569	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2570
1789	# try to abort aborted map switching on player login :)	2571	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2572	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2573
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2574	=cut
		2575
		2576	our $GOTOGEN;
1810		2577
1811	sub cf::object::player::goto {	2578	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2579	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2580
1814	$path = new cf::path $path;	2581	# do generation counting so two concurrent goto's will be executed in-order
		2582	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2583
1816	$self->enter_link;	2584	$self->enter_link;
1817		2585
1818	(async {	2586	(async {
1819	my $map = cf::map::find $path->as_string;	2587	$Coro::current->{desc} = "player::goto $path $x $y";
		2588
		2589	# *tag paths override both path and x|y
		2590	if ($path =~ /^\*(.*)$/) {
		2591	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2592	my $ob = $obs[rand @obs];
		2593
		2594	# see if we actually can go there
		2595	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2596	$ob = $obs[rand @obs];
		2597	} else {
		2598	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600	# else put us there anyways for now #d#
		2601
		2602	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2603	} else {
		2604	($path, $x, $y) = (undef, undef, undef);
		2605	}
		2606	}
		2607
		2608	my $map = eval {
		2609	my $map = defined $path ? cf::map::find $path : undef;
		2610
		2611	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2612	$map = $map->customise_for ($self);
1821		2613	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2614	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2615	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2616	}
1826		2617
		2618	$map
		2619	};
		2620
		2621	if ($@) {
		2622	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2623	LOG llevError | logBacktrace, Carp::longmess $@;
		2624	}
		2625
		2626	if ($gen == $self->{_goto_generation}) {
		2627	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2628	$self->leave_link ($map, $x, $y);
		2629	}
		2630
		2631	$done->() if $done;
1828	})->prio (1);	2632	})->prio (1);
1829	}	2633	}
1830		2634
1831	=item $player_object->enter_exit ($exit_object)	2635	=item $player_object->enter_exit ($exit_object)
1832		2636
…		…
1834		2638
1835	sub parse_random_map_params {	2639	sub parse_random_map_params {
1836	my ($spec) = @_;	2640	my ($spec) = @_;
1837		2641
1838	my $rmp = { # defaults	2642	my $rmp = { # defaults
1839	xsize => 10,	2643	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2644	ysize => (cf::rndm 15, 40),
		2645	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2646	#layout => string,
1841	};	2647	};
1842		2648
1843	for (split /\n/, $spec) {	2649	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2650	my ($k, $v) = split /\s+/, $_, 2;
1845		2651
…		…
1857	# that depends on the exit object	2663	# that depends on the exit object
1858		2664
1859	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
1860		2666
1861	if ($exit->map) {	2667	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2668	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
1866	}	2674	}
1867		2675
1868	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
1869		2677
1870	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
		2680	my $meta = "$RANDOMDIR/$md5.meta";
1872		2681
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
		2684	undef $fh;
		2685	aio_rename "$meta~", $meta;
1875		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
1878	}	2693	}
1879	}	2694	}
1880		2695
1881	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
1885		2700
1886	$self->enter_link;	2701	$self->enter_link;
1887		2702
1888	(async {	2703	(async {
1889	$self->deactivate_recursive; # just to be sure	2704	$Coro::current->{desc} = "enter_exit";
		2705
1890	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
1891	prepare_random_map $exit	2713	prepare_random_map $exit
1892	if $exit->slaying eq "/!";	2714	if $exit->slaying eq "/!";
		2715	}
1893		2716
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
1896		2720
		2721	$self->goto ($map, $x, $y);
		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
1897	1;	2727	1
1898	}) {	2728	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2733
1904	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2735	$self->leave_link;
1906	}	2736	}
1907	})->prio (1);	2737	})->prio (1);
…		…
1920		2750
1921	sub cf::client::send_drawinfo {	2751	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2752	my ($self, $text, $flags) = @_;
1923		2753
1924	utf8::encode $text;	2754	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2755	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2756	}
1927		2757
		2758	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2759
		2760	Send a drawinfo or msg packet to the client, formatting the msg for the
		2761	client if neccessary. C<$type> should be a string identifying the type of
		2762	the message, with C<log> being the default. If C<$color> is negative, suppress
		2763	the message unless the client supports the msg packet.
		2764
		2765	=cut
		2766
		2767	# non-persistent channels (usually the info channel)
		2768	our %CHANNEL = (
		2769	"c/identify" => {
		2770	id => "infobox",
		2771	title => "Identify",
		2772	reply => undef,
		2773	tooltip => "Items recently identified",
		2774	},
		2775	"c/examine" => {
		2776	id => "infobox",
		2777	title => "Examine",
		2778	reply => undef,
		2779	tooltip => "Signs and other items you examined",
		2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
		2787	"c/lookat" => {
		2788	id => "infobox",
		2789	title => "Look",
		2790	reply => undef,
		2791	tooltip => "What you saw there",
		2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel);
		2882	$channel = $channel->{id};
		2883
		2884	} elsif (ref $channel) {
		2885	# send meta info to client, if not yet sent
		2886	unless (exists $self->{channel}{$channel->{id}}) {
		2887	$self->{channel}{$channel->{id}} = $channel;
		2888	$self->ext_msg (channel_info => $channel);
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	# default colour, mask it out
		2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2898	if $color & cf::NDI_DEF;
		2899
		2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2903	);
		2904
		2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
		2908
		2909	# split very large packets
		2910	if (8192 < length $pkt and $self->{can_lzf}) {
		2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2912	$pkt = "frag";
		2913	}
		2914
		2915	$self->send_packet ($pkt);
		2916	}
		2917
		2918	=item $client->ext_msg ($type, @msg)
		2919
		2920	Sends an ext event to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_msg($$@) {
		2925	my ($self, $type, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
		2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
1928		2952
1929	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
1930		2954
1931	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2958
1935	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2960	become reliable at some point in the future.
1937		2961
1938	=cut	2962	=cut
1939		2963
1940	sub cf::client::query {	2964	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2973	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2975
1952	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
1954	}	2980	}
1955		2981
1956	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
1957	on_reply => sub {	2988	on_reply => sub {
1958	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
1959		2990
1960	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
1961	# get handled first	2992	# get handled first
1962	my $queue = delete $ns->{query_queue}	2993	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2994	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2995
1965	(shift @$queue)->[1]->($msg);	2996	(shift @$queue)->[1]->($msg);
		2997	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2998
1967	push @{ $ns->{query_queue} }, @$queue;	2999	push @{ $ns->{query_queue} }, @$queue;
1968		3000
1969	if (@{ $ns->{query_queue} } == @$queue) {	3001	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	3002	if (@$queue) {
…		…
1972	} else {	3004	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3006	}
1975	}	3007	}
1976	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
1977	);	3035	);
1978		3036
1979	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
1980		3038
1981	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2024		3082
2025	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2026		3084
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2028		3090
2029	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2030		3092
2031	=pod	3093	=pod
2032		3094
2033	The following fucntions and emthods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2034		3096
2035	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100	value
		3101
2036	cf::object::player player	3102	cf::object::player
2037	cf::player peaceful	3103	player
2038	cf::map trigger	3104
		3105	cf::player
		3106	peaceful
		3107
		3108	cf::map
		3109	trigger
2039		3110
2040	=cut	3111	=cut
2041		3112
2042	for (	3113	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3115	insert remove inv nrof name archname title slaying race
		3116	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
2047	) {	3120	) {
2048	no strict 'refs';	3121	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2067	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
2068		3141
2069	my $qcode = $code;	3142	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
2072		3147
2073	local $_;	3148	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
2075		3150
2076	my $eval =	3151	my $eval =
…		…
2119	=back	3194	=back
2120		3195
2121	=cut	3196	=cut
2122		3197
2123	#############################################################################	3198	#############################################################################
		3199	# the server's init and main functions
2124		3200
2125	=head2 EXTENSION DATABASE SUPPORT	3201	sub load_facedata($) {
		3202	my ($path) = @_;
2126		3203
2127	Crossfire maintains a very simple database for extension use. It can	3204	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3205	# for this (global event?)
2129	excludes objects.	3206	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3207
2131	The parameter C<$family> should best start with the name of the extension	3208	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3209
2134	=over 4	3210	warn "loading facedata from $path\n";
2135		3211
2136	=item $hashref = cf::db_get $family	3212	my $facedata;
		3213	0 < aio_load $path, $facedata
		3214	or die "$path: $!";
2137		3215
2138	Return a hashref for use by the extension C<$family>, which can be	3216	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3217
2142	=item $value = cf::db_get $family => $key	3218	$facedata->{version} == 2
		3219	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3220
2144	Returns a single value from the database	3221	# patch in the exptable
2145		3222	$facedata->{resource}{"res/exp_table"} = {
2146	=item cf::db_put $family => $hashref	3223	type => FT_RSRC,
2147		3224	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3225	};
		3226	cf::cede_to_tick;
2197		3227
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3228	{
		3229	my $faces = $facedata->{faceinfo};
2202		3230
2203	sub db_get($;$) {	3231	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3233
2209	sub db_put($$;$) {	3234	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3235	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2212	} else {	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3238
2218	cf::global->attach (	3239	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3240	}
2223	);
2224	}
2225		3241
2226	#############################################################################	3242	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3243	next unless $info->{smooth};
2228		3244
2229	sub cfg_load {	3245	my $idx = cf::face::find $face
		3246	or next;
		3247
		3248	if (my $smooth = cf::face::find $info->{smooth}) {
		3249	cf::face::set_smooth $idx, $smooth;
		3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3251	} else {
		3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3253	}
		3254
		3255	cf::cede_to_tick;
		3256	}
		3257	}
		3258
		3259	{
		3260	my $anims = $facedata->{animinfo};
		3261
		3262	while (my ($anim, $info) = each %$anims) {
		3263	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3264	cf::cede_to_tick;
		3265	}
		3266
		3267	cf::anim::invalidate_all; # d'oh
		3268	}
		3269
		3270	{
		3271	# TODO: for gcfclient pleasure, we should give resources
		3272	# that gcfclient doesn't grok a >10000 face index.
		3273	my $res = $facedata->{resource};
		3274
		3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
		3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3278	my $data;
		3279
		3280	if ($info->{type} & 1) {
		3281	# prepend meta info
		3282
		3283	my $meta = $enc->encode ({
		3284	name => $name,
		3285	%{ $info->{meta} || {} },
		3286	});
		3287
		3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
		3295	} else {
		3296	$RESOURCE{$name} = $info;
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3304
		3305	1
		3306	}
		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
		3327
		3328	register_exticmd fx_want => sub {
		3329	my ($ns, $want) = @_;
		3330
		3331	while (my ($k, $v) = each %$want) {
		3332	$ns->fx_want ($k, $v);
		3333	}
		3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
		3346	sub reload_regions {
		3347	# HACK to clear player env face cache, we need some signal framework
		3348	# for this (global event?)
		3349	%ext::player_env::MUSIC_FACE_CACHE = ();
		3350
		3351	load_resource_file "$MAPDIR/regions"
		3352	or die "unable to load regions file\n";
		3353
		3354	for (cf::region::list) {
		3355	$_->{match} = qr/$_->{match}/
		3356	if exists $_->{match};
		3357	}
		3358	}
		3359
		3360	sub reload_facedata {
		3361	load_facedata "$DATADIR/facedata"
		3362	or die "unable to load facedata\n";
		3363	}
		3364
		3365	sub reload_archetypes {
		3366	load_resource_file "$DATADIR/archetypes"
		3367	or die "unable to load archetypes\n";
		3368	}
		3369
		3370	sub reload_treasures {
		3371	load_resource_file "$DATADIR/treasures"
		3372	or die "unable to load treasurelists\n";
		3373	}
		3374
		3375	sub reload_resources {
		3376	warn "reloading resource files...\n";
		3377
		3378	reload_facedata;
		3379	reload_archetypes;
		3380	reload_regions;
		3381	reload_treasures;
		3382
		3383	warn "finished reloading resource files\n";
		3384	}
		3385
		3386	sub reload_config {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3388	or return;
2232		3389
2233	local $/;	3390	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
2235		3392
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237		3394
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2245	};	3402	};
2246	warn $@ if $@;	3403	warn $@ if $@;
2247	}	3404	}
2248	}	3405	}
2249		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
2250	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
2251	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3453	(async {
		3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
		3456	})->prio (Coro::PRIO_MAX);
2255	};	3457	};
2256		3458
2257	cfg_load;	3459	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3460
		3461	cf::sync_job {
		3462	reload_resources;
		3463	reload_config;
		3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
2259	load_extensions;	3477	load_extensions;
2260	Event::loop;	3478
		3479	utime time, time, $RUNTIMEFILE;
		3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
2261	}	3489	}
2262		3490
2263	#############################################################################	3491	#############################################################################
2264	# initialisation and cleanup	3492	# initialisation and cleanup
2265		3493
2266	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
2267	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
2274	},
2275	);	3500	};
		3501	}
		3502	}
		3503
		3504	sub write_runtime_sync {
		3505	# first touch the runtime file to show we are still running:
		3506	# the fsync below can take a very very long time.
		3507
		3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3509
		3510	my $guard = cf::lock_acquire "write_runtime";
		3511
		3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3513	or return;
		3514
		3515	my $value = $cf::RUNTIME + 90 + 10;
		3516	# 10 is the runtime save interval, for a monotonic clock
		3517	# 60 allows for the watchdog to kill the server.
		3518
		3519	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3520	and return;
		3521
		3522	# always fsync - this file is important
		3523	aio_fsync $fh
		3524	and return;
		3525
		3526	# touch it again to show we are up-to-date
		3527	aio_utime $fh, undef, undef;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3533	and return;
		3534
		3535	warn "runtime file written.\n";
		3536
2276	}	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
2277	}	3588	}
2278		3589
2279	sub emergency_save() {	3590	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
2281		3592
2282	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
2283		3594
2284	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
2285	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3607	$pl->valid or next;
		3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3609	$pl->save;
2293	}	3610	}
2294	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
2295		3612
2296	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3616	$map->valid or next;
2300	$map->save;	3617	$map->save;
2301	}	3618	}
2302	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
		3620
		3621	warn "emergency_perl_save: begin database checkpoint\n";
		3622	BDB::db_env_txn_checkpoint $DB_ENV;
		3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
2303	};	3628	};
2304		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
2305	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
2306	}	3636	}
2307		3637
		3638	sub post_cleanup {
		3639	my ($make_core) = @_;
		3640
		3641	warn Carp::longmess "post_cleanup backtrace"
		3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
		3672	}
		3673
2308	sub reload() {	3674	sub do_reload_perl() {
2309	# can/must only be called in main	3675	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3677	warn "can only reload from main coroutine";
2312	return;	3678	return;
2313	}	3679	}
2314		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
2315	warn "reloading...";	3686	warn "reloading...";
2316		3687
2317	warn "freezing server";	3688	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3689
		3690	cf::sync_job {
		3691	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3692	cf::emergency_save;
		3693	cf::write_runtime_sync; # external watchdog should not bark
2320		3694
2321	warn "sync database to disk";	3695	warn "syncing database to disk";
2322	cf::db_sync;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3697
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
2327		3699
2328	warn "cancel all watchers";	3700	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3701	while (IO::AIO::nreqs || BDB::nreqs) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();
2336
2337	warn "remove commands";
2338	%COMMAND = ();
2339
2340	warn "remove ext commands";
2341	%EXTCMD = ();
2342
2343	warn "unload/nuke all extensions";
2344	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";
2346
2347	if (my $cb = $pkg->can ("unload")) {
2348	eval {
2349	$cb->($pkg);
2350	1
2351	} or warn "$pkg unloaded, but with errors: $@";
2352	}	3703	}
2353		3704
		3705	warn "cancelling all extension coros";
		3706	$_->cancel for values %EXT_CORO;
		3707	%EXT_CORO = ();
		3708
		3709	warn "removing commands";
		3710	%COMMAND = ();
		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
2354	warn "... nuking $pkg";	3718	warn "... unloading $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357		3719
2358	warn "unload all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361
2362	warn "removing <$k>";
2363	delete $INC{$k};
2364
2365	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;
2367
2368	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
2369	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
2370	}	3729	}
2371		3730
2372	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
2373	}	3746	}
2374		3747
2375	warn "get rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3751
2379	warn "unload cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
		3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		3755
2382	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3757	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
2385		3759
		3760	warn "unload completed, starting to reload now";
		3761
2386	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
2387	require cf;	3763	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3765
2390	warn "load config and database again";	3766	warn "loading config and database again";
2391	cf::cfg_load;	3767	cf::reload_config;
2392	cf::db_load;
2393		3768
2394	warn "load extensions";	3769	warn "loading extensions";
2395	cf::load_extensions;	3770	cf::load_extensions;
2396		3771
		3772	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3774	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3775	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
		3777	warn "reattaching attachments to players";
		3778	reattach $_ for values %PLAYER;
		3779	}
		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
		3784	warn "leaving sync_job";
		3785
		3786	1
		3787	} or do {
		3788	warn $@;
		3789	cf::cleanup "error while reloading, exiting.";
		3790	};
		3791
		3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
		3798	};
		3799
		3800	our $RELOAD_WATCHER; # used only during reload
		3801
		3802	sub reload_perl() {
		3803	# doing reload synchronously and two reloads happen back-to-back,
		3804	# coro crashes during coro_state_free->destroy here.
		3805
		3806	$RELOAD_WATCHER ||= cf::async {
		3807	Coro::AIO::aio_wait cache_extensions;
		3808
		3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3810	do_reload_perl;
		3811	undef $RELOAD_WATCHER;
		3812	};
2401	};	3813	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3814	}
2454		3815
2455	register_command "reload" => sub {	3816	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
2457		3818
2458	if ($who->flag (FLAG_WIZ)) {	3819	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3820	$who->message ("reloading server.");
		3821	async {
		3822	$Coro::current->{desc} = "perl_reload";
		3823	reload_perl;
		3824	};
2462	}	3825	}
2463	};	3826	};
2464		3827
2465	unshift @INC, $LIBDIR;	3828	unshift @INC, $LIBDIR;
2466		3829
2467	$TICK_WATCHER = Event->timer (	3830	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		3831
		3832	our @WAIT_FOR_TICK;
		3833	our @WAIT_FOR_TICK_BEGIN;
		3834
		3835	sub wait_for_tick {
		3836	return if tick_inhibit || $Coro::current == $Coro::main;
		3837
		3838	my $signal = new Coro::Signal;
		3839	push @WAIT_FOR_TICK, $signal;
		3840	$signal->wait;
		3841	}
		3842
		3843	sub wait_for_tick_begin {
		3844	return if tick_inhibit || $Coro::current == $Coro::main;
		3845
		3846	my $signal = new Coro::Signal;
		3847	push @WAIT_FOR_TICK_BEGIN, $signal;
		3848	$signal->wait;
		3849	}
		3850
		3851	sub tick {
		3852	if ($Coro::current != $Coro::main) {
		3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3854	unless ++$bug_warning > 10;
		3855	return;
		3856	}
		3857
2475	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;
2478		3859
2479	$WAIT_FOR_TICK->broadcast;	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2481		3862	Coro::async_pool {
2482	# if we are delayed by four ticks or more, skip them all	3863	$Coro::current->{desc} = "runtime saver";
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484
2485	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	3864	write_runtime_sync
2507	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
2508	})->();	3866	};
2509	},	3867	}
2510	);	3868
		3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3870	$sig->send;
		3871	}
		3872	while (my $sig = shift @WAIT_FOR_TICK) {
		3873	$sig->send;
		3874	}
		3875
		3876	$LOAD = ($NOW - $TICK_START) / $TICK;
		3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3878
		3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
		3885	}
		3886	}
		3887
		3888	{
		3889	# configure BDB
		3890
		3891	BDB::min_parallel 8;
		3892	BDB::max_poll_reqs $TICK * 0.1;
		3893	$AnyEvent::BDB::WATCHER->priority (1);
		3894
		3895	unless ($DB_ENV) {
		3896	$DB_ENV = BDB::db_env_create;
		3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3902
		3903	cf::sync_job {
		3904	eval {
		3905	BDB::db_env_open
		3906	$DB_ENV,
		3907	$BDBDIR,
		3908	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3909	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3910	0666;
		3911
		3912	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3913	};
		3914
		3915	cf::cleanup "db_env_open(db): $@" if $@;
		3916	};
		3917	}
		3918
		3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3921	};
		3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3924	};
		3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3927	};
		3928	}
		3929
		3930	{
		3931	# configure IO::AIO
		3932
		3933	IO::AIO::min_parallel 8;
		3934	IO::AIO::max_poll_time $TICK * 0.1;
		3935	undef $AnyEvent::AIO::WATCHER;
		3936	}
		3937
		3938	my $_log_backtrace;
		3939
		3940	sub _log_backtrace {
		3941	my ($msg, @addr) = @_;
		3942
		3943	$msg =~ s/\n//;
		3944
		3945	# limit the # of concurrent backtraces
		3946	if ($_log_backtrace < 2) {
		3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
		3949	async {
		3950	$Coro::current->{desc} = "abt $msg";
		3951
		3952	my @bt = fork_call {
		3953	@addr = map { sprintf "%x", $_ } @addr;
		3954	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3955	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3956	or die "addr2line: $!";
		3957
		3958	my @funcs;
		3959	my @res = <$fh>;
		3960	chomp for @res;
		3961	while (@res) {
		3962	my ($func, $line) = splice @res, 0, 2, ();
		3963	push @funcs, "[$func] $line";
		3964	}
		3965
		3966	@funcs
		3967	};
		3968
		3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3971	LOG llevInfo, "[ABT] $_\n" for @bt;
		3972	--$_log_backtrace;
		3973	};
		3974	} else {
		3975	LOG llevInfo, "[ABT] $msg\n";
		3976	LOG llevInfo, "[ABT] [suppressed]\n";
		3977	}
		3978	}
		3979
		3980	# load additional modules
		3981	require "cf/$_.pm" for @EXTRA_MODULES;
2511		3982
2512	END { cf::emergency_save }	3983	END { cf::emergency_save }
2513		3984
2514	1	3985	1
2515		3986

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines