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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.494 by root, Mon Oct 26 05:18:00 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;	58	use Digest::MD5;
22	use Fcntl;	59	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	60	use YAML::XS ();
		61	use IO::AIO ();
25	use Time::HiRes;	62	use Time::HiRes;
		63	use Compress::LZF;
		64	use Digest::MD5 ();
26		65
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	66	AnyEvent::detect;
		67
		68	# configure various modules to our taste
		69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
		71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		78
		79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		81
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	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		83
36	our %COMMAND = ();	84	our %COMMAND = ();
37	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
38		86
39	our @EXTS = (); # list of extension package names	87	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	88	our %EXTCMD = ();
		89	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
		91	our %EXT_MAP = (); # pluggable maps
42		92
		93	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	94	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
45		97
46	our $TICK = MAX_TIME * 1e-6;	98	our $CONFDIR = confdir;
47	our $TICK_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103	our $LOCALDIR = localdir;
		104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		107	our $RANDOMDIR = "$LOCALDIR/random";
		108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
		112	our %RESOURCE;
		113
		114	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	116	our $NEXT_TICK;
49	our $NOW;	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
		118
		119	our $BDB_DEADLOCK_WATCHER;
		120	our $BDB_CHECKPOINT_WATCHER;
		121	our $BDB_TRICKLE_WATCHER;
		122	our $DB_ENV;
		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
50		125
51	our %CFG;	126	our %CFG;
52		127
53	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	129	our $RUNTIME;
		130	our $NOW;
55		131
56	our %PLAYER; # all users	132	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	133	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	134	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		135
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	136	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	137	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		138
		139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		140	our $LOADAVG; # same thing, but with alpha-smoothing
		141	our $JITTER; # average jitter
		142	our $TICK_START; # for load detecting purposes
		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
63		148
64	binmode STDOUT;	149	binmode STDOUT;
65	binmode STDERR;	150	binmode STDERR;
66		151
67	# read virtual server time, if available	152	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	154	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
72	}	157	}
73		158
74	mkdir cf::localdir;	159	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		160
80	# a special map that is always available	161	mkdir $_
81	our $LINK_MAP;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		163
82	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
		165
		166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
83		178
84	#############################################################################	179	#############################################################################
85		180
86	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
87		182
…		…
94	=item $cf::RUNTIME	189	=item $cf::RUNTIME
95		190
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	191	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	192	every server tick.
98		193
99	=item $cf::LIBDIR	194	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		195	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		196	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		197
101	The perl library directory, where extensions and cf-specific modules can	198	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	199	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		200	unique-items directory, player file directory, random maps directory and
		201	database environment.
103		202
104	=item $cf::NOW	203	=item $cf::NOW
105		204
106	The time of the last (current) server tick.	205	The time of the last (current) server tick.
107		206
108	=item $cf::TICK	207	=item $cf::TICK
109		208
110	The interval between server ticks, in seconds.	209	The interval between server ticks, in seconds.
111		210
		211	=item $cf::LOADAVG
		212
		213	The current CPU load on the server (alpha-smoothed), as a value between 0
		214	(none) and 1 (overloaded), indicating how much time is spent on processing
		215	objects per tick. Healthy values are < 0.5.
		216
		217	=item $cf::LOAD
		218
		219	The raw value load value from the last tick.
		220
112	=item %cf::CFG	221	=item %cf::CFG
113		222
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	223	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	224	from wherever your confdir points to.
116		225
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	226	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		227
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	228	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	229	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	231
		232	=item @cf::INVOKE_RESULTS
		233
		234	This array contains the results of the last C<invoke ()> call. When
		235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		236	that call.
		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
123		243
124	=back	244	=back
125		245
126	=cut	246	=cut
127		247
128	BEGIN {	248	$Coro::State::WARNHOOK = sub {
129	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	249	my $msg = join "", @_;
131	utf8::encode $msg;
132		250
133	$msg .= "\n"	251	$msg .= "\n"
134	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
135		253
		254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		255
136	LOG llevError, $msg;	256	LOG llevError, $msg;
137	};	257	};
138	}	258
		259	$Coro::State::DIEHOOK = sub {
		260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
		263
		264	if ($Coro::current == $Coro::main) {#d#
		265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		266	return;#d#
		267	}#d#
		268
		269	# kill coroutine otherwise
		270	Coro::terminate
		271	};
139		272
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	277	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		278	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	279	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		280
147	# we bless all objects into (empty) derived classes to force a method lookup	281	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	282	# within the Safe compartment.
149	for my $pkg (qw(	283	for my $pkg (qw(
150	cf::global cf::attachable	284	cf::global cf::attachable
151	cf::object cf::object::player	285	cf::object cf::object::player
152	cf::client cf::player	286	cf::client cf::player
153	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
154	cf::map cf::party cf::region	289	cf::party cf::region
155	)) {	290	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	292	}
159		293
160	$Event::DIED = sub {	294	$EV::DIED = sub {
161	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
162	};	296	};
		297
		298	#############################################################################
163		299
164	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
165		301
166	=over 4	302	=over 4
167		303
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	322	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	323	$d
188	} || "[unable to dump $_[0]: '$@']";	324	} || "[unable to dump $_[0]: '$@']";
189	}	325	}
190		326
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	327	=item $ref = cf::decode_json $json
194		328
195	Converts a JSON string into the corresponding perl data structure.	329	Converts a JSON string into the corresponding perl data structure.
196		330
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	331	=item $json = cf::encode_json $ref
205		332
206	Converts a perl data structure into its JSON representation.	333	Converts a perl data structure into its JSON representation.
207		334
208	=cut	335	=cut
209		336
210	sub to_json($) {	337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	338
212	JSON::Syck::Dump $_[0]	339	sub encode_json($) { $json_coder->encode ($_[0]) }
		340	sub decode_json($) { $json_coder->decode ($_[0]) }
		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
213	}	354	}
214		355
215	=item cf::lock_wait $string	356	=item cf::lock_wait $string
216		357
217	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
218		359
219	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
220		361
221	Wait until the given lock is available and then acquires it and returns	362	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	363	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	364	for example when the coroutine gets canceled), the lock is automatically
224	returned.	365	returned.
225		366
		367	Locks are *not* recursive, locking from the same coro twice results in a
		368	deadlocked coro.
		369
226	Lock names should begin with a unique identifier (for example, cf::map::find	370	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	371	uses map_find and cf::map::load uses map_load).
228		372
229	=cut	373	=item $locked = cf::lock_active $string
230		374
231	our %LOCK;	375	Return true if the lock is currently active, i.e. somebody has locked it.
		376
		377	=cut
		378
		379	our $LOCKS = new Coro::SemaphoreSet;
232		380
233	sub lock_wait($) {	381	sub lock_wait($) {
234	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	383	}
242		384
243	sub lock_acquire($) {	385	sub lock_acquire($) {
244	my ($key) = @_;	386	$LOCKS->guard ($_[0])
		387	}
245		388
246	# wait, to be sure we are not locked	389	sub lock_active($) {
247	lock_wait $key;	390	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	391	}
256		392
257	sub freeze_mainloop {	393	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
259		395
260	my $guard = Coro::guard { $TICK_WATCHER->start };	396	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	397	}
262	$guard	398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
		457	}
		458	};
		459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
263	}	472	}
264		473
265	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
266		475
267	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		481
273	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
274		483
275	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
276		485
277	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
280		490
281	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
284	fast or be very important.	494	fast or be very important.
…		…
287		497
288	sub sync_job(&) {	498	sub sync_job(&) {
289	my ($job) = @_;	499	my ($job) = @_;
290		500
291	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
292	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
294		506
295	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	508
297	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
298		510
299	my $busy = 1;	511	my $busy = 1;
300	my @res;	512	my @res;
301		513
302	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	516	@res = eval { $job->() };
304	warn $@ if $@;	517	warn $@ if $@;
305	undef $busy;	518	undef $busy;
306	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
307		520
308	while ($busy) {	521	while ($busy) {
309	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
310	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
311		532
312	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
313	} else {	534	} else {
314	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
315		536
…		…
335	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
336		557
337	$coro	558	$coro
338	}	559	}
339		560
340	sub write_runtime {	561	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		562
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	Executes the given code block with the given arguments in a seperate
344	or return;	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
345		567
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	568	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		569
350	aio_fsync $fh	570	sub fork_call(&@) {
351	and return;	571	my ($cb, @args) = @_;
352		572
353	close $fh	573	# we seemingly have to make a local copy of the whole thing,
354	or return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
355		576
356	aio_rename "$runtime~", $runtime	577	my @res = Coro::Util::fork_eval {
357	and return;	578	reset_signals;
		579	&$cb
		580	}, @args;
358		581
		582	wantarray ? @res : $res[-1]
		583	}
		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
359	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
		737	}
		738
		739	=item cf::datalog type => key => value, ...
		740
		741	Log a datalog packet of the given type with the given key-value pairs.
		742
		743	=cut
		744
		745	sub datalog($@) {
		746	my ($type, %kv) = @_;
		747	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	748	}
361		749
362	=back	750	=back
363		751
364	=cut	752	=cut
365		753
366	#############################################################################	754	#############################################################################
367		755
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
496		757
497	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
498	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
500		761
501	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	764	Deliantra).
504		765
505	=over 4	766	=over 4
506		767
507	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
508		769
…		…
552	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
553		814
554	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
556		817
557	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
558	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
559		820
560	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
561		822
562	=over 4	823	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	883	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	884	our @CB_MAP = ();
624		885
625	my %attachment;	886	my %attachment;
626		887
		888	sub cf::attachable::thawer_merge {
		889	# simply override everything except _meta
		890	local $_[0]{_meta};
		891	%{$_[0]} = %{$_[1]};
		892	}
		893
627	sub _attach_cb($$$$) {	894	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	895	my ($registry, $event, $prio, $cb) = @_;
629		896
630	use sort 'stable';	897	use sort 'stable';
631		898
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
666		933
667	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		938
672	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	940	my $pkg = shift @arg;
674		941
675	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
705	}	972	}
706		973
707	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
708	} else {	975	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	977	}
711		978
712	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
713	}	980	}
714		981
…		…
716	if (ref $_[0]) {	983	if (ref $_[0]) {
717	_object_attach @_;	984	_object_attach @_;
718	} else {	985	} else {
719	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
720	}	987	}
		988	_recalc_want;
721	};	989	};
722		990
723	# all those should be optimised	991	# all those should be optimised
724	sub cf::attachable::detach {	992	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
729	reattach ($obj);	997	reattach ($obj);
730	} else {	998	} else {
731	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
732	}	1000	}
		1001	_recalc_want;
733	};	1002	};
734		1003
735	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
737		1006
…		…
752	";	1021	";
753	die if $@;	1022	die if $@;
754	}	1023	}
755		1024
756	our $override;	1025	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		1027
759	sub override {	1028	sub override {
760	$override = 1;	1029	$override = 1;
761	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
762	}	1031	}
763		1032
764	sub do_invoke {	1033	sub do_invoke {
765	my $event = shift;	1034	my $event = shift;
766	my $callbacks = shift;	1035	my $callbacks = shift;
767		1036
768	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
769		1038
770	local $override;	1039	local $override;
771		1040
772	for (@$callbacks) {	1041	for (@$callbacks) {
773	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
782	}	1051	}
783		1052
784	0	1053	0
785	}	1054	}
786		1055
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1057
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1059
791	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
792		1061
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1065
797	=back	1066	=back
798		1067
799	=cut	1068	=cut
800		1069
801	#############################################################################	1070	#############################################################################
802	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
803		1114
804	sub reattach {	1115	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1117	my ($obj) = @_;
		1118
		1119	# no longer needed after getting rid of delete_package?
		1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1121
808	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
809		1123
810	@$registry = ();	1124	@$registry = ();
811		1125
…		…
826	cf::attachable->attach (	1140	cf::attachable->attach (
827	prio => -1000000,	1141	prio => -1000000,
828	on_instantiate => sub {	1142	on_instantiate => sub {
829	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
830		1144
831	$data = from_json $data;	1145	$data = decode_json $data;
832		1146
833	for (@$data) {	1147	for (@$data) {
834	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
835		1149
836	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1166	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
854		1168
855	sync_job {	1169	sync_job {
856	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
859		1174
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1178	if ($cf::USE_FSYNC) {
		1179	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
863	aio_fsync $fh;	1180	aio_fsync $fh;
		1181	}
864	close $fh;	1182	aio_close $fh;
865		1183
866	if (@$objs) {	1184	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
		1189	if ($cf::USE_FSYNC) {
		1190	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
871	aio_fsync $fh;	1191	aio_fsync $fh;
		1192	}
872	close $fh;	1193	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
874	}	1195	}
875	} else {	1196	} else {
876	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
877	}	1198	}
878		1199
879	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1204	} else {
881	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
882	}	1206	}
883	} else {	1207	} else {
884	aio_unlink $filename;	1208	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
886	}	1210	}
887	}	1211	};
888	}	1212	}
889		1213
890	sub object_freezer_as_string {	1214	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1215	my ($rdata, $objs) = @_;
892		1216
…		…
904	or return;	1228	or return;
905		1229
906	unless (aio_stat "$filename.pst") {	1230	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1231	(aio_load "$filename.pst", $av) >= 0
908	or return;	1232	or return;
		1233
909	$av = eval { (Storable::thaw $av)->{objs} };	1234	my $st = eval { Coro::Storable::thaw $av };
		1235	$av = $st->{objs};
910	}	1236	}
911		1237
		1238	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1239	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1240	$decname, length $data, scalar @{$av || []};
		1241
914	return ($data, $av);	1242	($data, $av)
915	}	1243	}
		1244
		1245	=head2 COMMAND CALLBACKS
		1246
		1247	=over 4
		1248
		1249	=cut
916		1250
917	#############################################################################	1251	#############################################################################
918	# command handling &c	1252	# command handling &c
919		1253
920	=item cf::register_command $name => \&callback($ob,$args);	1254	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1267	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1268	}
935		1269
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1270	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1271
938	Register a callbackf ro execution when the client sends an extcmd packet.	1272	Register a callback for execution when the client sends an (synchronous)
		1273	extcmd packet. Ext commands will be processed in the order they are
		1274	received by the server, like other user commands. The first argument is
		1275	the logged-in player. Ext commands can only be processed after a player
		1276	has logged in successfully.
939		1277
940	If the callback returns something, it is sent back as if reply was being	1278	If the callback returns something, it is sent back as if reply was being
941	called.	1279	called.
942		1280
		1281	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1282
		1283	Register a callback for execution when the client sends an (asynchronous)
		1284	exticmd packet. Exti commands are processed by the server as soon as they
		1285	are received, i.e. out of order w.r.t. other commands. The first argument
		1286	is a client socket. Exti commands can be received anytime, even before
		1287	log-in.
		1288
		1289	If the callback returns something, it is sent back as if reply was being
		1290	called.
		1291
943	=cut	1292	=cut
944		1293
945	sub register_extcmd {	1294	sub register_extcmd {
946	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
947		1296
948	$EXTCMD{$name} = $cb;	1297	$EXTCMD{$name} = $cb;
949	}	1298	}
		1299
		1300	sub register_exticmd {
		1301	my ($name, $cb) = @_;
		1302
		1303	$EXTICMD{$name} = $cb;
		1304	}
		1305
		1306	use File::Glob ();
950		1307
951	cf::player->attach (	1308	cf::player->attach (
952	on_command => sub {	1309	on_command => sub {
953	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
954		1311
…		…
962	cf::override;	1319	cf::override;
963	},	1320	},
964	on_extcmd => sub {	1321	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1322	my ($pl, $buf) = @_;
966		1323
967	my $msg = eval { from_json $buf };	1324	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1325
969	if (ref $msg) {	1326	if (ref $msg) {
		1327	my ($type, $reply, @payload) =
		1328	"ARRAY" eq ref $msg
		1329	? @$msg
		1330	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1331
		1332	my @reply;
		1333
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1334	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1335	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1336	}
		1337
		1338	$pl->ext_reply ($reply, @reply)
		1339	if $reply;
		1340
975	} else {	1341	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1342	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1343	}
978		1344
979	cf::override;	1345	cf::override;
980	},	1346	},
981	);	1347	);
982		1348
		1349	# "readahead" all extensions
983	sub load_extension {	1350	sub cache_extensions {
984	my ($path) = @_;	1351	my $grp = IO::AIO::aio_group;
985		1352
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1354	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1356	}
990	$pkg = "ext::$pkg";	1357	};
991		1358
992	warn "loading '$path' into '$pkg'\n";	1359	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1360	}
1009		1361
1010	sub load_extensions {	1362	sub load_extensions {
		1363	cf::sync_job {
		1364	my %todo;
		1365
1011	for my $ext (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1367	next unless -r $path;
1013	eval {	1368
1014	load_extension $ext;	1369	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1370	my $base = $1;
		1371	my $pkg = $1;
		1372	$pkg =~ s/[^[:word:]]/_/g;
		1373	$pkg = "ext::$pkg";
		1374
		1375	open my $fh, "<:utf8", $path
		1376	or die "$path: $!";
		1377
		1378	my $source = do { local $/; <$fh> };
		1379
		1380	my %ext = (
		1381	path => $path,
		1382	base => $base,
		1383	pkg => $pkg,
		1384	);
		1385
		1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1388
		1389	$ext{source} =
		1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1391	. "#line 1 \"$path\"\n{\n"
		1392	. $source
		1393	. "\n};\n1";
		1394
		1395	$todo{$base} = \%ext;
		1396	}
		1397
		1398	my %done;
		1399	while (%todo) {
		1400	my $progress;
		1401
		1402	while (my ($k, $v) = each %todo) {
		1403	for (split /,\s*/, $v->{meta}{depends}) {
		1404	goto skip
		1405	unless exists $done{$_};
		1406	}
		1407
		1408	warn "... loading '$k' into '$v->{pkg}'\n";
		1409
		1410	unless (eval $v->{source}) {
		1411	my $msg = $@ ? "$v->{path}: $@\n"
		1412	: "$v->{base}: extension inactive.\n";
		1413
		1414	if (exists $v->{meta}{mandatory}) {
		1415	warn $msg;
		1416	cf::cleanup "mandatory extension failed to load, exiting.";
		1417	}
		1418
		1419	warn $msg;
		1420	}
		1421
		1422	$done{$k} = delete $todo{$k};
		1423	push @EXTS, $v->{pkg};
		1424	$progress = 1;
1015	1	1425	}
1016	} or warn "$ext not loaded: $@";	1426
		1427	skip:
		1428	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1429	unless $progress;
		1430	}
1017	}	1431	};
1018	}	1432	}
1019		1433
1020	#############################################################################	1434	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1435
1023	*cf::mapsupport::on_clean = sub {	1436	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1437
1036	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
1037		1439
1038	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
1039		1441
1040	=cut	1442	=cut
1041		1443
1042	package cf::player;	1444	package cf::player;
1043		1445
…		…
1045		1447
1046	=head3 cf::player	1448	=head3 cf::player
1047		1449
1048	=over 4	1450	=over 4
1049		1451
		1452	=item cf::player::num_playing
		1453
		1454	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1455
		1456	=cut
		1457
		1458	sub num_playing {
		1459	scalar grep
		1460	$_->ob->map
		1461	&& !$_->hidden
		1462	&& !$_->ob->flag (cf::FLAG_WIZ),
		1463	cf::player::list
		1464	}
		1465
1050	=item cf::player::find $login	1466	=item cf::player::find $login
1051		1467
1052	Returns the given player object, loading it if necessary (might block).	1468	Returns the given player object, loading it if necessary (might block).
1053		1469
1054	=cut	1470	=cut
1055		1471
1056	sub playerdir($) {	1472	sub playerdir($) {
1057	cf::localdir	1473	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1474	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1475	}
1063		1476
1064	sub path($) {	1477	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1478	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1479
1067	(playerdir $login) . "/$login.pl"	1480	(playerdir $login) . "/playerdata"
1068	}	1481	}
1069		1482
1070	sub find_active($) {	1483	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1484	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1485	and $cf::PLAYER{$_[0]}->active
…		…
1075		1488
1076	sub exists($) {	1489	sub exists($) {
1077	my ($login) = @_;	1490	my ($login) = @_;
1078		1491
1079	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1493	or !aio_stat path $login
1081	}	1494	}
1082		1495
1083	sub find($) {	1496	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1498	my $login = $_[0];
1086		1499
1087	my $guard = cf::lock_acquire "user_find:$login";	1500	my $guard = cf::lock_acquire "user_find:$login";
1088		1501
1089	$cf::PLAYER{$_[0]} || do {	1502	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1503	# rename old playerfiles to new ones
		1504	#TODO: remove when no longer required
		1505	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1506	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1507	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1508	aio_unlink +(playerdir $login) . "/$login.pl";
		1509
		1510	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1511	or return;
		1512
		1513	my $pl = cf::player::load_pl $f
		1514	or return;
		1515
		1516	local $cf::PLAYER_LOADING{$login} = $pl;
		1517	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1093	}	1519	}
1094	}	1520	}
1095	}	1521	}
1096		1522
…		…
1105	return if $pl->{deny_save};	1531	return if $pl->{deny_save};
1106		1532
1107	aio_mkdir playerdir $pl, 0770;	1533	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1534	$pl->{last_save} = $cf::RUNTIME;
1109		1535
		1536	cf::get_slot 0.01;
		1537
1110	$pl->save_pl ($path);	1538	$pl->save_pl ($path);
1111	Coro::cede;	1539	cf::cede_to_tick;
1112	}	1540	}
1113		1541
1114	sub new($) {	1542	sub new($) {
1115	my ($login) = @_;	1543	my ($login) = @_;
1116		1544
…		…
1122	$cf::PLAYER{$login} = $self;	1550	$cf::PLAYER{$login} = $self;
1123		1551
1124	$self	1552	$self
1125	}	1553	}
1126		1554
		1555	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1556
		1557	=cut
		1558
		1559	sub send_msg {
		1560	my $ns = shift->ns
		1561	or return;
		1562	$ns->send_msg (@_);
		1563	}
		1564
1127	=item $pl->quit_character	1565	=item $pl->quit_character
1128		1566
1129	Nukes the player without looking back. If logged in, the connection will	1567	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1568	be destroyed. May block for a long time.
1131		1569
1132	=cut	1570	=cut
1133		1571
1134	sub quit_character {	1572	sub quit_character {
1135	my ($pl) = @_;	1573	my ($pl) = @_;
1136		1574
		1575	my $name = $pl->ob->name;
		1576
1137	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1139		1579
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1144		1586
1145	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1589	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1590	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1591	$pl->destroy;
		1592
		1593	my $prefix = qr<^~\Q$name\E/>;
		1594
		1595	# nuke player maps
		1596	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1597
1150	IO::AIO::aio_rmtree $temp;	1598	IO::AIO::aio_rmtree $temp;
		1599	}
		1600
		1601	=item $pl->kick
		1602
		1603	Kicks a player out of the game. This destroys the connection.
		1604
		1605	=cut
		1606
		1607	sub kick {
		1608	my ($pl, $kicker) = @_;
		1609
		1610	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1611	$pl->killer ("kicked");
		1612	$pl->ns->destroy;
1151	}	1613	}
1152		1614
1153	=item cf::player::list_logins	1615	=item cf::player::list_logins
1154		1616
1155	Returns am arrayref of all valid playernames in the system, can take a	1617	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1618	while and may block, so not sync_job-capable, ever.
1157		1619
1158	=cut	1620	=cut
1159		1621
1160	sub list_logins {	1622	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1623	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1624	or return [];
1163		1625
1164	my @logins;	1626	my @logins;
1165		1627
1166	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
		1629	my $path = path $login;
		1630
		1631	# a .pst is a dead give-away for a valid player
		1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1637	}
1170		1638
1171	utf8::decode $login;	1639	utf8::decode $login;
1172	push @logins, $login;	1640	push @logins, $login;
1173	}	1641	}
1174		1642
1175	\@logins	1643	\@logins
1176	}	1644	}
1177		1645
1178	=item $player->maps	1646	=item $player->maps
1179		1647
1180	Returns an arrayref of cf::path's of all maps that are private for this	1648	Returns an arrayref of map paths that are private for this
1181	player. May block.	1649	player. May block.
1182		1650
1183	=cut	1651	=cut
1184		1652
1185	sub maps($) {	1653	sub maps($) {
1186	my ($pl) = @_;	1654	my ($pl) = @_;
		1655
		1656	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1657
1188	my $files = aio_readdir playerdir $pl	1658	my $files = aio_readdir playerdir $pl
1189	or return;	1659	or return;
1190		1660
1191	my @paths;	1661	my @paths;
…		…
1193	for (@$files) {	1663	for (@$files) {
1194	utf8::decode $_;	1664	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1665	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1666	next unless /^$PATH_SEP/o;
1197		1667
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1668	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1669	}
1200		1670
1201	\@paths	1671	\@paths
1202	}	1672	}
1203		1673
		1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1675
		1676	Expand deliantra pod fragments into protocol xml.
		1677
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1205		1679
1206	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1207		1681
1208	=cut	1682	=cut
1209		1683
1210	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1212		1686
1213	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1688	}
1217		1689
1218	package cf;	1690	=item $player->ext_msg ($type, @msg)
		1691
		1692	Sends an ext event to the client.
		1693
		1694	=cut
		1695
		1696	sub ext_msg($$@) {
		1697	my ($self, $type, @msg) = @_;
		1698
		1699	$self->ns->ext_msg ($type, @msg);
		1700	}
		1701
		1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1219		1730
1220	=back	1731	=back
1221
1222		1732
1223	=head3 cf::map	1733	=head3 cf::map
1224		1734
1225	=over 4	1735	=over 4
1226		1736
…		…
1229	package cf::map;	1739	package cf::map;
1230		1740
1231	use Fcntl;	1741	use Fcntl;
1232	use Coro::AIO;	1742	use Coro::AIO;
1233		1743
		1744	use overload
		1745	'""' => \&as_string,
		1746	fallback => 1;
		1747
1234	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1236		1750
1237	sub generate_random_map {	1751	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1752	my ($self, $rmp) = @_;
		1753
		1754	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1755
1240	# mit "rum" bekleckern, nicht	1756	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1757	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1758	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1759	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1760	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1761	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1762	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1763	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1764	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1765	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1766	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1767	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1768	(cf::region::find $rmp->{region}), $rmp->{custom}
		1769	)
1254	}	1770	}
1255		1771
1256	# and all this just because we cannot iterate over	1772	=item cf::map->register ($regex, $prio)
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;
1260		1773
1261	$_->change_map_light ($change)	1774	Register a handler for the map path matching the given regex at the
1262	for grep $_->outdoor, values %cf::MAP;	1775	givne priority (higher is better, built-in handlers have priority 0, the
1263	}	1776	default).
1264		1777
1265	sub try_load_header($) {	1778	=cut
		1779
		1780	sub register {
		1781	my (undef, $regex, $prio) = @_;
		1782	my $pkg = caller;
		1783
		1784	no strict;
		1785	push @{"$pkg\::ISA"}, __PACKAGE__;
		1786
		1787	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1788	}
		1789
		1790	# also paths starting with '/'
		1791	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1792
		1793	sub thawer_merge {
		1794	my ($self, $merge) = @_;
		1795
		1796	# we have to keep some variables in memory intact
		1797	local $self->{path};
		1798	local $self->{load_path};
		1799
		1800	$self->SUPER::thawer_merge ($merge);
		1801	}
		1802
		1803	sub normalise {
1266	my ($path) = @_;	1804	my ($path, $base) = @_;
		1805
		1806	$path = "$path"; # make sure its a string
		1807
		1808	$path =~ s/\.map$//;
		1809
		1810	# map plan:
		1811	#
		1812	# /! non-realised random map exit (special hack!)
		1813	# {... are special paths that are not being touched
		1814	# ?xxx/... are special absolute paths
		1815	# ?random/... random maps
		1816	# /... normal maps
		1817	# ~user/... per-player map of a specific user
		1818
		1819	$path =~ s/$PATH_SEP/\//go;
		1820
		1821	# treat it as relative path if it starts with
		1822	# something that looks reasonable
		1823	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1824	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1825
		1826	$base =~ s{[^/]+/?$}{};
		1827	$path = "$base/$path";
		1828	}
		1829
		1830	for ($path) {
		1831	redo if s{//}{/};
		1832	redo if s{/\.?/}{/};
		1833	redo if s{/[^/]+/\.\./}{/};
		1834	}
		1835
		1836	$path
		1837	}
		1838
		1839	sub new_from_path {
		1840	my (undef, $path, $base) = @_;
		1841
		1842	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1843
		1844	$path = normalise $path, $base;
		1845
		1846	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1847	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1848	my $self = bless cf::map::new, $pkg;
		1849	$self->{path} = $path; $self->path ($path);
		1850	$self->init; # pass $1 etc.
		1851	return $self;
		1852	}
		1853	}
		1854
		1855	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1856	()
		1857	}
		1858
		1859	sub init {
		1860	my ($self) = @_;
		1861
		1862	$self
		1863	}
		1864
		1865	sub as_string {
		1866	my ($self) = @_;
		1867
		1868	"$self->{path}"
		1869	}
		1870
		1871	# the displayed name, this is a one way mapping
		1872	sub visible_name {
		1873	&as_string
		1874	}
		1875
		1876	# the original (read-only) location
		1877	sub load_path {
		1878	my ($self) = @_;
		1879
		1880	"$MAPDIR/$self->{path}.map"
		1881	}
		1882
		1883	# the temporary/swap location
		1884	sub save_path {
		1885	my ($self) = @_;
		1886
		1887	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1888	"$TMPDIR/$path.map"
		1889	}
		1890
		1891	# the unique path, undef == no special unique path
		1892	sub uniq_path {
		1893	my ($self) = @_;
		1894
		1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1896	"$UNIQUEDIR/$path"
		1897	}
		1898
		1899	sub decay_objects {
		1900	my ($self) = @_;
		1901
		1902	return if $self->{deny_reset};
		1903
		1904	$self->do_decay_objects;
		1905	}
		1906
		1907	sub unlink_save {
		1908	my ($self) = @_;
		1909
		1910	utf8::encode (my $save = $self->save_path);
		1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1912	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1913	}
		1914
		1915	sub load_header_from($) {
		1916	my ($self, $path) = @_;
1267		1917
1268	utf8::encode $path;	1918	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1919	my $f = new_from_file cf::object::thawer $path
1270	or return;	1920	or return;
1271		1921
1272	my $map = cf::map::new	1922	$self->_load_header ($f)
1273	or return;	1923	or return;
1274		1924
1275	# for better error messages only, will be overwritten	1925	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1926	$f->resolve_delayed_derefs;
1277		1927
1278	$map->load_header ($path)	1928	$self->{load_path} = $path;
		1929
		1930	1
		1931	}
		1932
		1933	sub load_header_orig {
		1934	my ($self) = @_;
		1935
		1936	$self->load_header_from ($self->load_path)
		1937	}
		1938
		1939	sub load_header_temp {
		1940	my ($self) = @_;
		1941
		1942	$self->load_header_from ($self->save_path)
		1943	}
		1944
		1945	sub prepare_temp {
		1946	my ($self) = @_;
		1947
		1948	$self->last_access ((delete $self->{last_access})
		1949	|| $cf::RUNTIME); #d#
		1950	# safety
		1951	$self->{instantiate_time} = $cf::RUNTIME
		1952	if $self->{instantiate_time} > $cf::RUNTIME;
		1953	}
		1954
		1955	sub prepare_orig {
		1956	my ($self) = @_;
		1957
		1958	$self->{load_original} = 1;
		1959	$self->{instantiate_time} = $cf::RUNTIME;
		1960	$self->last_access ($cf::RUNTIME);
		1961	$self->instantiate;
		1962	}
		1963
		1964	sub load_header {
		1965	my ($self) = @_;
		1966
		1967	if ($self->load_header_temp) {
		1968	$self->prepare_temp;
		1969	} else {
		1970	$self->load_header_orig
1279	or return;	1971	or return;
		1972	$self->prepare_orig;
		1973	}
1280		1974
1281	$map->{load_path} = $path;	1975	$self->{deny_reset} = 1
		1976	if $self->no_reset;
1282		1977
1283	$map	1978	$self->default_region (cf::region::find_by_path $self->{path})
		1979	unless $self->default_region;
		1980
		1981	1
1284	}	1982	}
1285		1983
1286	sub find;	1984	sub find;
1287	sub find {	1985	sub find {
1288	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
1289		1987
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1989
1295	cf::lock_wait "map_find:$key";	1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
1299		1992
1300	# do it the slow way	1993	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	1994	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1995	or return;
1319		1996
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
1332		1998
1333	Coro::cede;	1999	$map->load_header
		2000	or return;
1334		2001
1335	if ($map->should_reset) {	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2003	# doing this can freeze the server in a sync job, obviously
		2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
		2006	undef $guard1;
1336	$map->reset;	2007	$map->reset;
1337	undef $guard;
1338	$map = find $path	2008	return find $path;
1339	or return;
1340	}	2009	}
1341		2010
1342	$cf::MAP{$key} = $map	2011	$cf::MAP{$path} = $map
1343	}	2012	}
1344	}	2013	}
		2014
		2015	sub pre_load { }
		2016	sub post_load { }
1345		2017
1346	sub load {	2018	sub load {
1347	my ($self) = @_;	2019	my ($self) = @_;
1348		2020
		2021	local $self->{deny_reset} = 1; # loading can take a long time
		2022
1349	my $path = $self->{path};	2023	my $path = $self->{path};
		2024
		2025	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2026	my $guard = cf::lock_acquire "map_data:$path";
1351		2027
		2028	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2029	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2030
1354	$self->in_memory (cf::MAP_LOADING);	2031	$self->in_memory (cf::MAP_LOADING);
1355		2032
1356	$self->alloc;	2033	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2034
		2035	$self->pre_load;
		2036	cf::cede_to_tick;
		2037
		2038	my $f = new_from_file cf::object::thawer $self->{load_path};
		2039	$f->skip_block;
		2040	$self->_load_objects ($f)
1358	or return;	2041	or return;
1359		2042
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
1361	if delete $self->{load_original};	2044	if delete $self->{load_original};
1362		2045
1363	if (my $uniq = $path->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2047	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2048	unless (aio_stat $uniq) {
		2049	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2050	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2051	$self->_load_objects ($f);
		2052	$f->resolve_delayed_derefs;
		2053	}
1368	}	2054	}
1369	}	2055	}
1370		2056
1371	Coro::cede;	2057	$f->resolve_delayed_derefs;
1372		2058
		2059	cf::cede_to_tick;
1373	# now do the right thing for maps	2060	# now do the right thing for maps
1374	$self->link_multipart_objects;	2061	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2062	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2063	unless $self->difficulty;
		2064	cf::cede_to_tick;
		2065
		2066	unless ($self->{deny_activate}) {
		2067	$self->decay_objects;
		2068	$self->fix_auto_apply;
		2069	$self->update_buttons;
		2070	cf::cede_to_tick;
1386	$self->activate;	2071	$self->activate;
1387	}	2072	}
1388		2073
1389	Coro::cede;	2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
1390		2076
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_ACTIVE);
		2078	}
		2079
		2080	$self->post_load;
		2081	}
		2082
		2083	sub customise_for {
		2084	my ($self, $ob) = @_;
		2085
		2086	return find "~" . $ob->name . "/" . $self->{path}
		2087	if $self->per_player;
		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
		2092	$self
1392	}	2093	}
1393		2094
1394	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2096	sub load_neighbours {
1396	my ($map) = @_;	2097	my ($map) = @_;
1397		2098
1398	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1399		2100
1400	for (0 .. 3) {	2101	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1402	or next;	2103	or next;
1403	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1404	or next;	2105	or next;
1405	$neigh->load;	2106	$neigh->load;
1406		2107
		2108	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2111	}
1410		2112
1411	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1413	or next;	2116	or next;
1414	$neigh->load;	2117	$neigh->load;
1415	}	2118	}
1416	}	2119	}
1417		2120
…		…
1422	}	2125	}
1423		2126
1424	sub do_load_sync {	2127	sub do_load_sync {
1425	my ($map) = @_;	2128	my ($map) = @_;
1426		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1427	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1428	}	2134	}
1429		2135
1430	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
		2137	our $MAP_PREFETCHER = undef;
		2138
		2139	sub find_async {
		2140	my ($path, $origin, $load) = @_;
		2141
		2142	$path = normalise $path, $origin && $origin->{path};
		2143
		2144	if (my $map = $cf::MAP{$path}) {
		2145	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2146	}
		2147
		2148	$MAP_PREFETCH{$path} |= $load;
		2149
1431	our $MAP_PREFETCHER = Coro::async {	2150	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2151	$Coro::current->{desc} = "map prefetcher";
		2152
1433	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2155	if (my $map = find $k) {
		2156	$map->load if $v;
		2157	}
		2158
1436	my $path = delete $MAP_PREFETCH{$key};	2159	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2160	}
1442	Coro::schedule;	2161	}
		2162	undef $MAP_PREFETCHER;
1443	}	2163	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2164	$MAP_PREFETCHER->prio (6);
1458		2165
1459	()	2166	()
1460	}	2167	}
1461		2168
1462	sub save {	2169	sub save {
1463	my ($self) = @_;	2170	my ($self) = @_;
1464		2171
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2173
1467	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1468		2175
1469	return unless $self->dirty;	2176	return unless $self->dirty;
1470		2177
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2178	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2179	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2180
1474	$self->{load_path} = $save;	2181	$self->{load_path} = $save;
1475		2182
1476	return if $self->{deny_save};	2183	return if $self->{deny_save};
1477		2184
1478	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1479		2186
1480	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1482	};	2190	};
1483		2191
		2192	cf::get_slot 0.02;
		2193
1484	if ($uniq) {	2194	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2196	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2197	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2198	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2199	}
1490	}	2200	}
1491		2201
1492	sub swap_out {	2202	sub swap_out {
1493	my ($self) = @_;	2203	my ($self) = @_;
1494		2204
1495	# save first because save cedes	2205	# save first because save cedes
1496	$self->save;	2206	$self->save;
1497		2207
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2208	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2209
1500	return if $self->players;	2210	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2211	return if $self->in_memory != cf::MAP_ACTIVE;
1502	return if $self->{deny_save};	2212	return if $self->{deny_save};
1503		2213
		2214	$self->in_memory (cf::MAP_SWAPPED);
		2215
		2216	$self->deactivate;
		2217	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2218	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2219	}
1507		2220
1508	sub reset_at {	2221	sub reset_at {
1509	my ($self) = @_;	2222	my ($self) = @_;
1510		2223
1511	# TODO: safety, remove and allow resettable per-player maps	2224	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2225	return 1e99 if $self->{deny_reset};
1514		2226
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2227	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2228	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2229
…		…
1522	my ($self) = @_;	2234	my ($self) = @_;
1523		2235
1524	$self->reset_at <= $cf::RUNTIME	2236	$self->reset_at <= $cf::RUNTIME
1525	}	2237	}
1526		2238
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2239	sub reset {
1549	my ($self) = @_;	2240	my ($self) = @_;
1550		2241
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2243
1553	return if $self->players;	2244	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2245
1556	warn "resetting map ", $self->path;#d#	2246	warn "resetting map ", $self->path, "\n";
		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	# need to save uniques path
		2251	unless ($self->{deny_save}) {
		2252	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2253
		2254	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2255	if $uniq;
		2256	}
1557		2257
1558	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1559		2259
		2260	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2261	$_->clear_links_to ($self) for values %cf::MAP;
		2262	$self->clear;
1561		2263
1562	$self->unlink_save;	2264	$self->unlink_save;
1563	$self->destroy;	2265	$self->destroy;
1564	}	2266	}
1565		2267
1566	my $nuke_counter = "aaaa";	2268	my $nuke_counter = "aaaa";
1567		2269
1568	sub nuke {	2270	sub nuke {
1569	my ($self) = @_;	2271	my ($self) = @_;
1570		2272
		2273	{
		2274	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2275
		2276	delete $cf::MAP{$self->path};
		2277
		2278	$self->unlink_save;
		2279
		2280	bless $self, "cf::map";
		2281	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2282	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2283	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2284	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2285
		2286	$cf::MAP{$self->path} = $self;
		2287	}
		2288
1574	$self->reset; # polite request, might not happen	2289	$self->reset; # polite request, might not happen
1575	}	2290	}
1576		2291
1577	sub customise_for {	2292	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2293
1580	if ($map->per_player) {	2294	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2295	maps. May block.
		2296
		2297	=cut
		2298
		2299	sub tmp_maps() {
1582	}	2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise $_
		2305	: ()
		2306	} @{ aio_readdir $TMPDIR or [] }
		2307	]
		2308	}
1583		2309
1584	$map	2310	=item $maps = cf::map::random_maps
		2311
		2312	Returns an arrayref with all map paths of currently instantiated and saved
		2313	random maps. May block.
		2314
		2315	=cut
		2316
		2317	sub random_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise "?random/$_"
		2323	: ()
		2324	} @{ aio_readdir $RANDOMDIR or [] }
		2325	]
1585	}	2326	}
1586		2327
1587	=item cf::map::unique_maps	2328	=item cf::map::unique_maps
1588		2329
1589	Returns an arrayref of cf::path's of all shared maps that have	2330	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2331	instantiated unique items. May block.
1591		2332
1592	=cut	2333	=cut
1593		2334
1594	sub unique_maps() {	2335	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2336	[
1596	or return;	2337	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2338	utf8::decode $_;
1602	next if /\.pst$/;	2339	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2340	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2341	? ()
1605	push @paths, new cf::path $_;	2342	: normalise $_
		2343	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2344	]
1607
1608	\@paths
1609	}	2345	}
1610		2346
1611	package cf;	2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
1612		2378
1613	=back	2379	=back
1614		2380
1615	=head3 cf::object	2381	=head3 cf::object
1616		2382
…		…
1620		2386
1621	=over 4	2387	=over 4
1622		2388
1623	=item $ob->inv_recursive	2389	=item $ob->inv_recursive
1624		2390
1625	Returns the inventory of the object _and_ their inventories, recursively.	2391	Returns the inventory of the object I<and> their inventories, recursively,
		2392	but I<not> the object itself.
1626		2393
1627	=cut	2394	=cut
1628		2395
1629	sub inv_recursive_;	2396	sub inv_recursive_;
1630	sub inv_recursive_ {	2397	sub inv_recursive_ {
…		…
1633		2400
1634	sub inv_recursive {	2401	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2402	inv_recursive_ inv $_[0]
1636	}	2403	}
1637		2404
		2405	=item $ref = $ob->ref
		2406
		2407	Creates and returns a persistent reference to an object that can be stored as a string.
		2408
		2409	=item $ob = cf::object::deref ($refstring)
		2410
		2411	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2412	even if the object actually exists. May block.
		2413
		2414	=cut
		2415
		2416	sub deref {
		2417	my ($ref) = @_;
		2418
		2419	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2420	my ($uuid, $name) = ($1, $2);
		2421	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2422	or return;
		2423	$pl->ob->uuid eq $uuid
		2424	or return;
		2425
		2426	$pl->ob
		2427	} else {
		2428	warn "$ref: cannot resolve object reference\n";
		2429	undef
		2430	}
		2431	}
		2432
1638	package cf;	2433	package cf;
1639		2434
1640	=back	2435	=back
1641		2436
1642	=head3 cf::object::player	2437	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
1651		2446
1652	=cut	2447	=cut
		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
1653		2462
1654	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2464	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
…		…
1659		2468
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2469	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2470
1662	if ($self->{record_replies}) {	2471	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2472	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2473
1664	} else {	2474	} else {
		2475	my $pl = $self->contr;
		2476
		2477	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2478	my $dialog = $pl->{npc_dialog};
		2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2480
		2481	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2484	}
1667	}	2485	}
		2486	}
		2487
		2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	=cut
		2491
		2492	sub cf::object::send_msg {
		2493	my $pl = shift->contr
		2494	or return;
		2495	$pl->send_msg (@_);
1668	}	2496	}
1669		2497
1670	=item $player_object->may ("access")	2498	=item $player_object->may ("access")
1671		2499
1672	Returns wether the given player is authorized to access resource "access"	2500	Returns wether the given player is authorized to access resource "access"
…		…
1685		2513
1686	=item $player_object->enter_link	2514	=item $player_object->enter_link
1687		2515
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2517
1690	The player should be reaosnably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
1691	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
		2522
		2523	Will never block.
1692		2524
1693	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
1694		2526
1695	Moves the player out of the specila link map onto the given map. If the	2527	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2528	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2529	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2530	fails, to the emergency map position.
1699		2531
1700	Might block.	2532	Might block.
1701		2533
1702	=cut	2534	=cut
		2535
		2536	sub link_map {
		2537	unless ($LINK_MAP) {
		2538	$LINK_MAP = cf::map::find "{link}"
		2539	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2540	$LINK_MAP->load;
		2541	}
		2542
		2543	$LINK_MAP
		2544	}
1703		2545
1704	sub cf::object::player::enter_link {	2546	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2547	my ($self) = @_;
1706		2548
1707	$self->deactivate_recursive;	2549	$self->deactivate_recursive;
1708		2550
1709	return if $self->map == $LINK_MAP;	2551	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2552
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2553	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2554	if $self->map && $self->map->{path} ne "{link}";
1713		2555
1714	$self->enter_map ($LINK_MAP, 20, 20);	2556	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2557	}
1716		2558
1717	sub cf::object::player::leave_link {	2559	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2560	my ($self, $map, $x, $y) = @_;
		2561
		2562	return unless $self->contr->active;
1719		2563
1720	my $link_pos = delete $self->{_link_pos};	2564	my $link_pos = delete $self->{_link_pos};
1721		2565
1722	unless ($map) {	2566	unless ($map) {
1723	# restore original map position	2567	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
1736		2580
1737	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
1740		2584
1741	$map->load;	2585	$map->load;
1742	$map->load_diag;	2586	$map->load_neighbours;
1743		2587
1744	return unless $self->contr->active;	2588	return unless $self->contr->active;
		2589
		2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2591	$self->enter_map ($map, $x, $y);
		2592
		2593	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2594	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}	2595	}
1748		2596
1749	cf::player->attach (	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2598
1753	# abort map switching before logout	2599	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2600	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2601	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2602	the new (success) or old (failed) map position. In either case, $done will
1757	};	2603	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2604
1763	# try to abort aborted map switching on player login :)	2605	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2606	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2607
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2608	=cut
		2609
		2610	our $GOTOGEN;
1784		2611
1785	sub cf::object::player::goto {	2612	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2613	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2614
1788	$path = new cf::path $path;	2615	# do generation counting so two concurrent goto's will be executed in-order
		2616	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2617
1790	$self->enter_link;	2618	$self->enter_link;
1791		2619
1792	(async {	2620	(async {
1793	my $map = cf::map::find $path->as_string;	2621	$Coro::current->{desc} = "player::goto $path $x $y";
		2622
		2623	# *tag paths override both path and x|y
		2624	if ($path =~ /^\*(.*)$/) {
		2625	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2626	my $ob = $obs[rand @obs];
		2627
		2628	# see if we actually can go there
		2629	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2630	$ob = $obs[rand @obs];
		2631	} else {
		2632	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2633	}
		2634	# else put us there anyways for now #d#
		2635
		2636	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2637	} else {
		2638	($path, $x, $y) = (undef, undef, undef);
		2639	}
		2640	}
		2641
		2642	my $map = eval {
		2643	my $map = defined $path ? cf::map::find $path : undef;
		2644
		2645	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2646	$map = $map->customise_for ($self);
1795		2647	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2648	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2649	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
1800		2651
		2652	$map
		2653	};
		2654
		2655	if ($@) {
		2656	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2657	LOG llevError | logBacktrace, Carp::longmess $@;
		2658	}
		2659
		2660	if ($gen == $self->{_goto_generation}) {
		2661	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2662	$self->leave_link ($map, $x, $y);
		2663	}
		2664
		2665	$done->() if $done;
1802	})->prio (1);	2666	})->prio (1);
1803	}	2667	}
1804		2668
1805	=item $player_object->enter_exit ($exit_object)	2669	=item $player_object->enter_exit ($exit_object)
1806		2670
…		…
1808		2672
1809	sub parse_random_map_params {	2673	sub parse_random_map_params {
1810	my ($spec) = @_;	2674	my ($spec) = @_;
1811		2675
1812	my $rmp = { # defaults	2676	my $rmp = { # defaults
1813	xsize => 10,	2677	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2678	ysize => (cf::rndm 15, 40),
		2679	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2680	#layout => string,
1815	};	2681	};
1816		2682
1817	for (split /\n/, $spec) {	2683	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2684	my ($k, $v) = split /\s+/, $_, 2;
1819		2685
…		…
1831	# that depends on the exit object	2697	# that depends on the exit object
1832		2698
1833	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
1834		2700
1835	if ($exit->map) {	2701	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2702	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
1840	}	2708	}
1841		2709
1842	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
1843		2711
1844	my $data = cf::to_json $rmp;	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2713	my $md5 = Digest::MD5::md5_hex $data;
		2714	my $meta = "$RANDOMDIR/$md5.meta";
1846		2715
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
		2718	undef $fh;
		2719	aio_rename "$meta~", $meta;
1849		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
1852	}	2727	}
1853	}	2728	}
1854		2729
1855	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
1859		2734
1860	$self->enter_link;	2735	$self->enter_link;
1861		2736
1862	(async {	2737	(async {
1863	$self->deactivate_recursive; # just to be sure	2738	$Coro::current->{desc} = "enter_exit";
		2739
1864	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
1865	prepare_random_map $exit	2747	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2748	if $exit->slaying eq "/!";
		2749	}
1867		2750
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
1870		2754
		2755	$self->goto ($map, $x, $y);
		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
1871	1;	2761	1
1872	}) {	2762	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2767
1878	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2769	$self->leave_link;
1880	}	2770	}
1881	})->prio (1);	2771	})->prio (1);
…		…
1894		2784
1895	sub cf::client::send_drawinfo {	2785	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2786	my ($self, $text, $flags) = @_;
1897		2787
1898	utf8::encode $text;	2788	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2790	}
1901		2791
		2792	=item $client->send_big_packet ($pkt)
		2793
		2794	Like C<send_packet>, but tries to compress large packets, and fragments
		2795	them as required.
		2796
		2797	=cut
		2798
		2799	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2800
		2801	sub cf::client::send_big_packet {
		2802	my ($self, $pkt) = @_;
		2803
		2804	# try lzf for large packets
		2805	$pkt = "lzf " . Compress::LZF::compress $pkt
		2806	if 1024 <= length $pkt and $self->{can_lzf};
		2807
		2808	# split very large packets
		2809	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2810	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2811	$pkt = "frag";
		2812	}
		2813
		2814	$self->send_packet ($pkt);
		2815	}
		2816
		2817	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2818
		2819	Send a drawinfo or msg packet to the client, formatting the msg for the
		2820	client if neccessary. C<$type> should be a string identifying the type of
		2821	the message, with C<log> being the default. If C<$color> is negative, suppress
		2822	the message unless the client supports the msg packet.
		2823
		2824	=cut
		2825
		2826	# non-persistent channels (usually the info channel)
		2827	our %CHANNEL = (
		2828	"c/motd" => {
		2829	id => "infobox",
		2830	title => "MOTD",
		2831	reply => undef,
		2832	tooltip => "The message of the day",
		2833	},
		2834	"c/identify" => {
		2835	id => "infobox",
		2836	title => "Identify",
		2837	reply => undef,
		2838	tooltip => "Items recently identified",
		2839	},
		2840	"c/examine" => {
		2841	id => "infobox",
		2842	title => "Examine",
		2843	reply => undef,
		2844	tooltip => "Signs and other items you examined",
		2845	},
		2846	"c/shopinfo" => {
		2847	id => "infobox",
		2848	title => "Shop Info",
		2849	reply => undef,
		2850	tooltip => "What your bargaining skill tells you about the shop",
		2851	},
		2852	"c/book" => {
		2853	id => "infobox",
		2854	title => "Book",
		2855	reply => undef,
		2856	tooltip => "The contents of a note or book",
		2857	},
		2858	"c/lookat" => {
		2859	id => "infobox",
		2860	title => "Look",
		2861	reply => undef,
		2862	tooltip => "What you saw there",
		2863	},
		2864	"c/who" => {
		2865	id => "infobox",
		2866	title => "Players",
		2867	reply => undef,
		2868	tooltip => "Shows players who are currently online",
		2869	},
		2870	"c/body" => {
		2871	id => "infobox",
		2872	title => "Body Parts",
		2873	reply => undef,
		2874	tooltip => "Shows which body parts you posess and are available",
		2875	},
		2876	"c/statistics" => {
		2877	id => "infobox",
		2878	title => "Statistics",
		2879	reply => undef,
		2880	tooltip => "Shows your primary statistics",
		2881	},
		2882	"c/skills" => {
		2883	id => "infobox",
		2884	title => "Skills",
		2885	reply => undef,
		2886	tooltip => "Shows your experience per skill and item power",
		2887	},
		2888	"c/shopitems" => {
		2889	id => "infobox",
		2890	title => "Shop Items",
		2891	reply => undef,
		2892	tooltip => "Shows the items currently for sale in this shop",
		2893	},
		2894	"c/resistances" => {
		2895	id => "infobox",
		2896	title => "Resistances",
		2897	reply => undef,
		2898	tooltip => "Shows your resistances",
		2899	},
		2900	"c/pets" => {
		2901	id => "infobox",
		2902	title => "Pets",
		2903	reply => undef,
		2904	tooltip => "Shows information abotu your pets/a specific pet",
		2905	},
		2906	"c/perceiveself" => {
		2907	id => "infobox",
		2908	title => "Perceive Self",
		2909	reply => undef,
		2910	tooltip => "You gained detailed knowledge about yourself",
		2911	},
		2912	"c/uptime" => {
		2913	id => "infobox",
		2914	title => "Uptime",
		2915	reply => undef,
		2916	tooltip => "How long the server has been running since last restart",
		2917	},
		2918	"c/mapinfo" => {
		2919	id => "infobox",
		2920	title => "Map Info",
		2921	reply => undef,
		2922	tooltip => "Information related to the maps",
		2923	},
		2924	"c/party" => {
		2925	id => "party",
		2926	title => "Party",
		2927	reply => "gsay ",
		2928	tooltip => "Messages and chat related to your party",
		2929	},
		2930	"c/death" => {
		2931	id => "death",
		2932	title => "Death",
		2933	reply => undef,
		2934	tooltip => "Reason for and more info about your most recent death",
		2935	},
		2936	"c/say" => $SAY_CHANNEL,
		2937	"c/chat" => $CHAT_CHANNEL,
		2938	);
		2939
		2940	sub cf::client::send_msg {
		2941	my ($self, $channel, $msg, $color, @extra) = @_;
		2942
		2943	$msg = $self->pl->expand_cfpod ($msg)
		2944	unless $color & cf::NDI_VERBATIM;
		2945
		2946	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2947
		2948	# check predefined channels, for the benefit of C
		2949	if ($CHANNEL{$channel}) {
		2950	$channel = $CHANNEL{$channel};
		2951
		2952	$self->ext_msg (channel_info => $channel);
		2953	$channel = $channel->{id};
		2954
		2955	} elsif (ref $channel) {
		2956	# send meta info to client, if not yet sent
		2957	unless (exists $self->{channel}{$channel->{id}}) {
		2958	$self->{channel}{$channel->{id}} = $channel;
		2959	$self->ext_msg (channel_info => $channel);
		2960	}
		2961
		2962	$channel = $channel->{id};
		2963	}
		2964
		2965	return unless @extra || length $msg;
		2966
		2967	# default colour, mask it out
		2968	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2969	if $color & cf::NDI_DEF;
		2970
		2971	my $pkt = "msg "
		2972	. $self->{json_coder}->encode (
		2973	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2974	);
		2975
		2976	$self->send_big_packet ($pkt);
		2977	}
		2978
		2979	=item $client->ext_msg ($type, @msg)
		2980
		2981	Sends an ext event to the client.
		2982
		2983	=cut
		2984
		2985	sub cf::client::ext_msg($$@) {
		2986	my ($self, $type, @msg) = @_;
		2987
		2988	if ($self->extcmd == 2) {
		2989	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2990	} elsif ($self->extcmd == 1) { # TODO: remove
		2991	push @msg, msgtype => "event_$type";
		2992	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2993	}
		2994	}
		2995
		2996	=item $client->ext_reply ($msgid, @msg)
		2997
		2998	Sends an ext reply to the client.
		2999
		3000	=cut
		3001
		3002	sub cf::client::ext_reply($$@) {
		3003	my ($self, $id, @msg) = @_;
		3004
		3005	if ($self->extcmd == 2) {
		3006	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3007	} elsif ($self->extcmd == 1) {
		3008	#TODO: version 1, remove
		3009	unshift @msg, msgtype => "reply", msgid => $id;
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
1902		3013
1903	=item $success = $client->query ($flags, "text", \&cb)	3014	=item $success = $client->query ($flags, "text", \&cb)
1904		3015
1905	Queues a query to the client, calling the given callback with	3016	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3017	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3018	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		3019
1909	Queries can fail, so check the return code. Or don't, as queries will become	3020	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	3021	become reliable at some point in the future.
1911		3022
1912	=cut	3023	=cut
1913		3024
1914	sub cf::client::query {	3025	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	3026	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	3034	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3035	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		3036
1926	$self->send_packet ($self->{query_queue}[0][0])	3037	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	3038	if @{ $self->{query_queue} } == 1;
		3039
		3040	1
1928	}	3041	}
1929		3042
1930	cf::client->attach (	3043	cf::client->attach (
		3044	on_connect => sub {
		3045	my ($ns) = @_;
		3046
		3047	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3048	},
1931	on_reply => sub {	3049	on_reply => sub {
1932	my ($ns, $msg) = @_;	3050	my ($ns, $msg) = @_;
1933		3051
1934	# this weird shuffling is so that direct followup queries	3052	# this weird shuffling is so that direct followup queries
1935	# get handled first	3053	# get handled first
1936	my $queue = delete $ns->{query_queue}	3054	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3055	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3056
1939	(shift @$queue)->[1]->($msg);	3057	(shift @$queue)->[1]->($msg);
		3058	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3059
1941	push @{ $ns->{query_queue} }, @$queue;	3060	push @{ $ns->{query_queue} }, @$queue;
1942		3061
1943	if (@{ $ns->{query_queue} } == @$queue) {	3062	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3063	if (@$queue) {
…		…
1946	} else {	3065	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3066	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3067	}
1949	}	3068	}
1950	},	3069	},
		3070	on_exticmd => sub {
		3071	my ($ns, $buf) = @_;
		3072
		3073	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3074
		3075	if (ref $msg) {
		3076	my ($type, $reply, @payload) =
		3077	"ARRAY" eq ref $msg
		3078	? @$msg
		3079	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3080
		3081	my @reply;
		3082
		3083	if (my $cb = $EXTICMD{$type}) {
		3084	@reply = $cb->($ns, @payload);
		3085	}
		3086
		3087	$ns->ext_reply ($reply, @reply)
		3088	if $reply;
		3089
		3090	} else {
		3091	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3092	}
		3093
		3094	cf::override;
		3095	},
1951	);	3096	);
1952		3097
1953	=item $client->async (\&cb)	3098	=item $client->async (\&cb)
1954		3099
1955	Create a new coroutine, running the specified callback. The coroutine will	3100	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	3141	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3142	our $safe_hole = new Safe::Hole;
1998		3143
1999	$SIG{FPE} = 'IGNORE';	3144	$SIG{FPE} = 'IGNORE';
2000		3145
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3146	$safe->permit_only (Opcode::opset qw(
		3147	:base_core :base_mem :base_orig :base_math
		3148	grepstart grepwhile mapstart mapwhile
		3149	sort time
		3150	));
2002		3151
2003	# here we export the classes and methods available to script code	3152	# here we export the classes and methods available to script code
2004		3153
2005	=pod	3154	=pod
2006		3155
2007	The following fucntions and emthods are available within a safe environment:	3156	The following functions and methods are available within a safe environment:
2008		3157
2009	cf::object contr pay_amount pay_player map	3158	cf::object
		3159	contr pay_amount pay_player map x y force_find force_add destroy
		3160	insert remove name archname title slaying race decrease split
		3161	value
		3162
2010	cf::object::player player	3163	cf::object::player
2011	cf::player peaceful	3164	player
2012	cf::map trigger	3165
		3166	cf::player
		3167	peaceful
		3168
		3169	cf::map
		3170	trigger
2013		3171
2014	=cut	3172	=cut
2015		3173
2016	for (	3174	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3175	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3176	insert remove inv nrof name archname title slaying race
		3177	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3178	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3179	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3180	["cf::map" => qw(trigger)],
2021	) {	3181	) {
2022	no strict 'refs';	3182	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3183	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3184	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2041	my ($code, %vars) = @_;	3201	my ($code, %vars) = @_;
2042		3202
2043	my $qcode = $code;	3203	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3204	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3205	$qcode =~ s/\n/\\n/g;
		3206
		3207	%vars = (_dummy => 0) unless %vars;
2046		3208
2047	local $_;	3209	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;	3210	local @safe::cf::_safe_eval_args = values %vars;
2049		3211
2050	my $eval =	3212	my $eval =
…		…
2093	=back	3255	=back
2094		3256
2095	=cut	3257	=cut
2096		3258
2097	#############################################################################	3259	#############################################################################
		3260	# the server's init and main functions
2098		3261
2099	=head2 EXTENSION DATABASE SUPPORT	3262	sub load_facedata($) {
		3263	my ($path) = @_;
2100		3264
2101	Crossfire maintains a very simple database for extension use. It can	3265	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3266	# for this (global event?)
2103	excludes objects.	3267	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3268
2105	The parameter C<$family> should best start with the name of the extension	3269	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3270
2108	=over 4	3271	warn "loading facedata from $path\n";
2109		3272
2110	=item $hashref = cf::db_get $family	3273	my $facedata;
		3274	0 < aio_load $path, $facedata
		3275	or die "$path: $!";
2111		3276
2112	Return a hashref for use by the extension C<$family>, which can be	3277	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3278
2116	=item $value = cf::db_get $family => $key	3279	$facedata->{version} == 2
		3280	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3281
2118	Returns a single value from the database	3282	# patch in the exptable
2119		3283	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3284	type => FT_RSRC,
2121		3285	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3286	};
		3287	cf::cede_to_tick;
2171		3288
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3289	{
		3290	my $faces = $facedata->{faceinfo};
2176		3291
2177	sub db_get($;$) {	3292	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3293	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3294
2183	sub db_put($$;$) {	3295	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3296	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3297	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2186	} else {	3298	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3299
2192	cf::global->attach (	3300	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3301	}
2197	);
2198	}
2199		3302
2200	#############################################################################	3303	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3304	next unless $info->{smooth};
2202		3305
2203	sub cfg_load {	3306	my $idx = cf::face::find $face
		3307	or next;
		3308
		3309	if (my $smooth = cf::face::find $info->{smooth}) {
		3310	cf::face::set_smooth $idx, $smooth;
		3311	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3312	} else {
		3313	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3314	}
		3315
		3316	cf::cede_to_tick;
		3317	}
		3318	}
		3319
		3320	{
		3321	my $anims = $facedata->{animinfo};
		3322
		3323	while (my ($anim, $info) = each %$anims) {
		3324	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3325	cf::cede_to_tick;
		3326	}
		3327
		3328	cf::anim::invalidate_all; # d'oh
		3329	}
		3330
		3331	{
		3332	# TODO: for gcfclient pleasure, we should give resources
		3333	# that gcfclient doesn't grok a >10000 face index.
		3334	my $res = $facedata->{resource};
		3335
		3336	while (my ($name, $info) = each %$res) {
		3337	if (defined $info->{type}) {
		3338	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3339	my $data;
		3340
		3341	if ($info->{type} & 1) {
		3342	# prepend meta info
		3343
		3344	my $meta = $enc->encode ({
		3345	name => $name,
		3346	%{ $info->{meta} || {} },
		3347	});
		3348
		3349	$data = pack "(w/a*)*", $meta, $info->{data};
		3350	} else {
		3351	$data = $info->{data};
		3352	}
		3353
		3354	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3355	cf::face::set_type $idx, $info->{type};
		3356	} else {
		3357	$RESOURCE{$name} = $info;
		3358	}
		3359
		3360	cf::cede_to_tick;
		3361	}
		3362	}
		3363
		3364	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3365
		3366	1
		3367	}
		3368
		3369	cf::global->attach (on_resource_update => sub {
		3370	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3371	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3372
		3373	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3374	my $sound = $soundconf->{compat}[$_]
		3375	or next;
		3376
		3377	my $face = cf::face::find "sound/$sound->[1]";
		3378	cf::sound::set $sound->[0] => $face;
		3379	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3380	}
		3381
		3382	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3383	my $face = cf::face::find "sound/$v";
		3384	cf::sound::set $k => $face;
		3385	}
		3386	}
		3387	});
		3388
		3389	register_exticmd fx_want => sub {
		3390	my ($ns, $want) = @_;
		3391
		3392	while (my ($k, $v) = each %$want) {
		3393	$ns->fx_want ($k, $v);
		3394	}
		3395	};
		3396
		3397	sub load_resource_file($) {
		3398	my $guard = lock_acquire "load_resource_file";
		3399
		3400	my $status = load_resource_file_ $_[0];
		3401	get_slot 0.1, 100;
		3402	cf::arch::commit_load;
		3403
		3404	$status
		3405	}
		3406
		3407	sub reload_regions {
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	load_resource_file "$MAPDIR/regions"
		3413	or die "unable to load regions file\n";
		3414
		3415	for (cf::region::list) {
		3416	$_->{match} = qr/$_->{match}/
		3417	if exists $_->{match};
		3418	}
		3419	}
		3420
		3421	sub reload_facedata {
		3422	load_facedata "$DATADIR/facedata"
		3423	or die "unable to load facedata\n";
		3424	}
		3425
		3426	sub reload_archetypes {
		3427	load_resource_file "$DATADIR/archetypes"
		3428	or die "unable to load archetypes\n";
		3429	}
		3430
		3431	sub reload_treasures {
		3432	load_resource_file "$DATADIR/treasures"
		3433	or die "unable to load treasurelists\n";
		3434	}
		3435
		3436	sub reload_resources {
		3437	warn "reloading resource files...\n";
		3438
		3439	reload_facedata;
		3440	reload_archetypes;
		3441	reload_regions;
		3442	reload_treasures;
		3443
		3444	warn "finished reloading resource files\n";
		3445	}
		3446
		3447	sub reload_config {
		3448	warn "reloading config file...\n";
		3449
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3450	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3451	or return;
2206		3452
2207	local $/;	3453	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3454	*CFG = YAML::XS::Load scalar <$fh>;
2209		3455
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3456	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211		3457
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3458	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3459	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3463	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218	and die "WARNING: m(un)lockall failed: $!\n";	3464	and die "WARNING: m(un)lockall failed: $!\n";
2219	};	3465	};
2220	warn $@ if $@;	3466	warn $@ if $@;
2221	}	3467	}
		3468
		3469	warn "finished reloading resource files\n";
		3470	}
		3471
		3472	sub pidfile() {
		3473	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3474	or die "$PIDFILE: $!";
		3475	flock $fh, &Fcntl::LOCK_EX
		3476	or die "$PIDFILE: flock: $!";
		3477	$fh
		3478	}
		3479
		3480	# make sure only one server instance is running at any one time
		3481	sub atomic {
		3482	my $fh = pidfile;
		3483
		3484	my $pid = <$fh>;
		3485	kill 9, $pid if $pid > 0;
		3486
		3487	seek $fh, 0, 0;
		3488	print $fh $$;
		3489	}
		3490
		3491	sub main_loop {
		3492	warn "EV::loop starting\n";
		3493	if (1) {
		3494	EV::loop;
		3495	}
		3496	warn "EV::loop returned\n";
		3497	goto &main_loop unless $REALLY_UNLOOP;
2222	}	3498	}
2223		3499
2224	sub main {	3500	sub main {
		3501	cf::init_globals; # initialise logging
		3502
		3503	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3504	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3505	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3506	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3507
		3508	cf::init_experience;
		3509	cf::init_anim;
		3510	cf::init_attackmess;
		3511	cf::init_dynamic;
		3512
		3513	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3514
2225	# we must not ever block the main coroutine	3515	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3516	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3517	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3518	(async {
		3519	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3520	EV::loop EV::LOOP_ONESHOT;
		3521	})->prio (Coro::PRIO_MAX);
2229	};	3522	};
2230		3523
2231	cfg_load;	3524	evthread_start IO::AIO::poll_fileno;
2232	db_load;	3525
		3526	cf::sync_job {
		3527	reload_resources;
		3528	reload_config;
		3529	db_init;
		3530
		3531	cf::load_settings;
		3532	cf::load_materials;
		3533	cf::init_uuid;
		3534	cf::init_signals;
		3535	cf::init_commands;
		3536	cf::init_skills;
		3537
		3538	cf::init_beforeplay;
		3539
		3540	atomic;
		3541
2233	load_extensions;	3542	load_extensions;
2234	Event::loop;	3543
		3544	utime time, time, $RUNTIMEFILE;
		3545
		3546	# no (long-running) fork's whatsoever before this point(!)
		3547	use POSIX ();
		3548	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3549
		3550	(pop @POST_INIT)->(0) while @POST_INIT;
		3551	};
		3552
		3553	main_loop;
2235	}	3554	}
2236		3555
2237	#############################################################################	3556	#############################################################################
2238	# initialisation and cleanup	3557	# initialisation and cleanup
2239		3558
2240	# install some emergency cleanup handlers	3559	# install some emergency cleanup handlers
2241	BEGIN {	3560	BEGIN {
		3561	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3562	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3563	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3564	cf::cleanup "SIG$signal";
2248	},
2249	);	3565	};
		3566	}
		3567	}
		3568
		3569	sub write_runtime_sync {
		3570	# first touch the runtime file to show we are still running:
		3571	# the fsync below can take a very very long time.
		3572
		3573	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3574
		3575	my $guard = cf::lock_acquire "write_runtime";
		3576
		3577	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3578	or return;
		3579
		3580	my $value = $cf::RUNTIME + 90 + 10;
		3581	# 10 is the runtime save interval, for a monotonic clock
		3582	# 60 allows for the watchdog to kill the server.
		3583
		3584	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3585	and return;
		3586
		3587	# always fsync - this file is important
		3588	aio_fsync $fh
		3589	and return;
		3590
		3591	# touch it again to show we are up-to-date
		3592	aio_utime $fh, undef, undef;
		3593
		3594	close $fh
		3595	or return;
		3596
		3597	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3598	and return;
		3599
		3600	warn "runtime file written.\n";
		3601
2250	}	3602	1
		3603	}
		3604
		3605	our $uuid_lock;
		3606	our $uuid_skip;
		3607
		3608	sub write_uuid_sync($) {
		3609	$uuid_skip ||= $_[0];
		3610
		3611	return if $uuid_lock;
		3612	local $uuid_lock = 1;
		3613
		3614	my $uuid = "$LOCALDIR/uuid";
		3615
		3616	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3617	or return;
		3618
		3619	my $value = uuid_seq uuid_cur;
		3620
		3621	unless ($value) {
		3622	warn "cowardly refusing to write zero uuid value!\n";
		3623	return;
		3624	}
		3625
		3626	my $value = uuid_str $value + $uuid_skip;
		3627	$uuid_skip = 0;
		3628
		3629	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3630	and return;
		3631
		3632	# always fsync - this file is important
		3633	aio_fsync $fh
		3634	and return;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$uuid~", $uuid
		3640	and return;
		3641
		3642	warn "uuid file written ($value).\n";
		3643
		3644	1
		3645
		3646	}
		3647
		3648	sub write_uuid($$) {
		3649	my ($skip, $sync) = @_;
		3650
		3651	$sync ? write_uuid_sync $skip
		3652	: async { write_uuid_sync $skip };
2251	}	3653	}
2252		3654
2253	sub emergency_save() {	3655	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3656	my $freeze_guard = cf::freeze_mainloop;
2255		3657
2256	warn "enter emergency perl save\n";	3658	warn "emergency_perl_save: enter\n";
2257		3659
2258	cf::sync_job {	3660	cf::sync_job {
		3661	# this is a trade-off: we want to be very quick here, so
		3662	# save all maps without fsync, and later call a global sync
		3663	# (which in turn might be very very slow)
		3664	local $USE_FSYNC = 0;
		3665
2259	# use a peculiar iteration method to avoid tripping on perl	3666	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3667	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3668	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3669	warn "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3670	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3671	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3672	$pl->valid or next;
		3673	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3674	$pl->save;
2267	}	3675	}
2268	warn "end emergency player save\n";	3676	warn "emergency_perl_save: end player save\n";
2269		3677
2270	warn "begin emergency map save\n";	3678	warn "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3679	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3680	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3681	$map->valid or next;
2274	$map->save;	3682	$map->save;
2275	}	3683	}
2276	warn "end emergency map save\n";	3684	warn "emergency_perl_save: end map save\n";
		3685
		3686	warn "emergency_perl_save: begin database checkpoint\n";
		3687	BDB::db_env_txn_checkpoint $DB_ENV;
		3688	warn "emergency_perl_save: end database checkpoint\n";
		3689
		3690	warn "emergency_perl_save: begin write uuid\n";
		3691	write_uuid_sync 1;
		3692	warn "emergency_perl_save: end write uuid\n";
2277	};	3693	};
2278		3694
		3695	warn "emergency_perl_save: starting sync()\n";
		3696	IO::AIO::aio_sync sub {
		3697	warn "emergency_perl_save: finished sync()\n";
		3698	};
		3699
2279	warn "leave emergency perl save\n";	3700	warn "emergency_perl_save: leave\n";
2280	}	3701	}
2281		3702
		3703	sub post_cleanup {
		3704	my ($make_core) = @_;
		3705
		3706	warn Carp::longmess "post_cleanup backtrace"
		3707	if $make_core;
		3708
		3709	my $fh = pidfile;
		3710	unlink $PIDFILE if <$fh> == $$;
		3711	}
		3712
		3713	# a safer delete_package, copied from Symbol
		3714	sub clear_package($) {
		3715	my $pkg = shift;
		3716
		3717	# expand to full symbol table name if needed
		3718	unless ($pkg =~ /^main::.*::$/) {
		3719	$pkg = "main$pkg" if $pkg =~ /^::/;
		3720	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3721	$pkg .= '::' unless $pkg =~ /::$/;
		3722	}
		3723
		3724	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3725	my $stem_symtab = *{$stem}{HASH};
		3726
		3727	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3728	or return;
		3729
		3730	# clear all symbols
		3731	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3732	for my $name (keys %$leaf_symtab) {
		3733	_gv_clear *{"$pkg$name"};
		3734	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3735	}
		3736	warn "cleared package $pkg\n";#d#
		3737	}
		3738
2282	sub reload() {	3739	sub do_reload_perl() {
2283	# can/must only be called in main	3740	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3742	warn "can only reload from main coroutine";
2286	return;	3743	return;
2287	}	3744	}
2288		3745
		3746	return if $RELOAD++;
		3747
		3748	my $t1 = EV::time;
		3749
		3750	while ($RELOAD) {
2289	warn "reloading...";	3751	warn "reloading...";
2290		3752
2291	warn "freezing server";	3753	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3754
		3755	cf::sync_job {
		3756	cf::write_runtime_sync; # external watchdog should not bark
2293	cf::emergency_save;	3757	cf::emergency_save;
		3758	cf::write_runtime_sync; # external watchdog should not bark
2294		3759
2295	warn "sync database to disk";	3760	warn "syncing database to disk";
2296	cf::db_sync;	3761	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3762
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3763	# if anything goes wrong in here, we should simply crash as we already saved
2301		3764
2302	warn "cancel all watchers";	3765	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3766	while (IO::AIO::nreqs || BDB::nreqs) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3767	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305	}
2306
2307	warn "cancel all extension coros";
2308	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();
2310
2311	warn "remove commands";
2312	%COMMAND = ();
2313
2314	warn "remove ext commands";
2315	%EXTCMD = ();
2316
2317	warn "unload/nuke all extensions";
2318	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";
2320
2321	if (my $cb = $pkg->can ("unload")) {
2322	eval {
2323	$cb->($pkg);
2324	1
2325	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3768	}
2327		3769
2328	Symbol::delete_package $pkg;	3770	warn "cancelling all extension coros";
2329	}	3771	$_->cancel for values %EXT_CORO;
		3772	%EXT_CORO = ();
2330		3773
2331	warn "unload all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334
2335	warn "removing <$k>";	3774	warn "removing commands";
2336	delete $INC{$k};	3775	%COMMAND = ();
2337		3776
2338	$k =~ s/\.pm$//;	3777	warn "removing ext/exti commands";
2339	$k =~ s/\//::/g;	3778	%EXTCMD = ();
		3779	%EXTICMD = ();
2340		3780
		3781	warn "unloading/nuking all extensions";
		3782	for my $pkg (@EXTS) {
		3783	warn "... unloading $pkg";
		3784
2341	if (my $cb = $k->can ("unload_module")) {	3785	if (my $cb = $pkg->can ("unload")) {
		3786	eval {
2342	$cb->();	3787	$cb->($pkg);
		3788	1
		3789	} or warn "$pkg unloaded, but with errors: $@";
		3790	}
		3791
		3792	warn "... clearing $pkg";
		3793	clear_package $pkg;
2343	}	3794	}
2344		3795
2345	Symbol::delete_package $k;	3796	warn "unloading all perl modules loaded from $LIBDIR";
		3797	while (my ($k, $v) = each %INC) {
		3798	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3799
		3800	warn "... unloading $k";
		3801	delete $INC{$k};
		3802
		3803	$k =~ s/\.pm$//;
		3804	$k =~ s/\//::/g;
		3805
		3806	if (my $cb = $k->can ("unload_module")) {
		3807	$cb->();
		3808	}
		3809
		3810	clear_package $k;
2346	}	3811	}
2347		3812
2348	warn "get rid of safe::, as good as possible";	3813	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3814	clear_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3815	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3816
2352	warn "unload cf.pm \"a bit\"";	3817	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3818	delete $INC{"cf.pm"};
		3819	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354		3820
2355	# don't, removes xs symbols, too,	3821	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3822	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3823	#clear_package __PACKAGE__;
2358		3824
		3825	warn "unload completed, starting to reload now";
		3826
2359	warn "reloading cf.pm";	3827	warn "reloading cf.pm";
2360	require cf;	3828	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3829	cf::_connect_to_perl_1;
2362		3830
2363	warn "load config and database again";	3831	warn "loading config and database again";
2364	cf::cfg_load;	3832	cf::reload_config;
2365	cf::db_load;
2366		3833
2367	warn "load extensions";	3834	warn "loading extensions";
2368	cf::load_extensions;	3835	cf::load_extensions;
2369		3836
		3837	if ($REATTACH_ON_RELOAD) {
2370	warn "reattach attachments to objects/players";	3838	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3839	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3840	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3841	reattach $_ for values %MAP;
		3842	warn "reattaching attachments to players";
		3843	reattach $_ for values %PLAYER;
		3844	}
		3845
		3846	warn "running post_init jobs";
		3847	(pop @POST_INIT)->(1) while @POST_INIT;
		3848
		3849	warn "leaving sync_job";
		3850
		3851	1
		3852	} or do {
		3853	warn $@;
		3854	cf::cleanup "error while reloading, exiting.";
		3855	};
		3856
		3857	warn "reloaded";
		3858	--$RELOAD;
		3859	}
		3860
		3861	$t1 = EV::time - $t1;
		3862	warn "reload completed in ${t1}s\n";
		3863	};
		3864
		3865	our $RELOAD_WATCHER; # used only during reload
		3866
		3867	sub reload_perl() {
		3868	# doing reload synchronously and two reloads happen back-to-back,
		3869	# coro crashes during coro_state_free->destroy here.
		3870
		3871	$RELOAD_WATCHER ||= cf::async {
		3872	Coro::AIO::aio_wait cache_extensions;
		3873
		3874	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3875	do_reload_perl;
		3876	undef $RELOAD_WATCHER;
		3877	};
2374	};	3878	};
2375
2376	if ($@) {
2377	warn $@;
2378	warn "error while reloading, exiting.";
2379	exit 1;
2380	}
2381
2382	warn "reloaded";
2383	};
2384
2385	#############################################################################
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3879	}
2427		3880
2428	register_command "reload" => sub {	3881	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3882	my ($who, $arg) = @_;
2430		3883
2431	if ($who->flag (FLAG_WIZ)) {	3884	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3885	$who->message ("reloading server.");
		3886	async {
		3887	$Coro::current->{desc} = "perl_reload";
		3888	reload_perl;
		3889	};
2435	}	3890	}
2436	};	3891	};
2437		3892
2438	unshift @INC, $LIBDIR;	3893	unshift @INC, $LIBDIR;
2439		3894
2440	$TICK_WATCHER = Event->timer (	3895	my $bug_warning = 0;
2441	reentrant => 0,	3896
2442	prio => 0,	3897	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	3898	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	3899
2445	cb => sub {	3900	sub wait_for_tick {
		3901	return if tick_inhibit || $Coro::current == $Coro::main;
		3902
		3903	my $signal = new Coro::Signal;
		3904	push @WAIT_FOR_TICK, $signal;
		3905	$signal->wait;
		3906	}
		3907
		3908	sub wait_for_tick_begin {
		3909	return if tick_inhibit || $Coro::current == $Coro::main;
		3910
		3911	my $signal = new Coro::Signal;
		3912	push @WAIT_FOR_TICK_BEGIN, $signal;
		3913	$signal->wait;
		3914	}
		3915
		3916	sub tick {
		3917	if ($Coro::current != $Coro::main) {
		3918	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3919	unless ++$bug_warning > 10;
		3920	return;
		3921	}
		3922
2446	cf::server_tick; # one server iteration	3923	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;
2449		3924
2450	$WAIT_FOR_TICK->broadcast;	3925	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3926	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2452		3927	Coro::async_pool {
2453	# if we are delayed by four ticks or more, skip them all	3928	$Coro::current->{desc} = "runtime saver";
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455
2456	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	3929	write_runtime_sync
2478	or warn "ERROR: unable to write runtime file: $!";	3930	or warn "ERROR: unable to write runtime file: $!";
2479	})->();	3931	};
2480	},	3932	}
2481	);	3933
		3934	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3935	$sig->send;
		3936	}
		3937	while (my $sig = shift @WAIT_FOR_TICK) {
		3938	$sig->send;
		3939	}
		3940
		3941	$LOAD = ($NOW - $TICK_START) / $TICK;
		3942	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3943
		3944	if (0) {
		3945	if ($NEXT_TICK) {
		3946	my $jitter = $TICK_START - $NEXT_TICK;
		3947	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3948	warn "jitter $JITTER\n";#d#
		3949	}
		3950	}
		3951	}
		3952
		3953	{
		3954	# configure BDB
		3955
		3956	BDB::min_parallel 8;
		3957	BDB::max_poll_reqs $TICK * 0.1;
		3958	$AnyEvent::BDB::WATCHER->priority (1);
		3959
		3960	unless ($DB_ENV) {
		3961	$DB_ENV = BDB::db_env_create;
		3962	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3963	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3964	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3965	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3966	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3967
		3968	cf::sync_job {
		3969	eval {
		3970	BDB::db_env_open
		3971	$DB_ENV,
		3972	$BDBDIR,
		3973	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3974	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3975	0666;
		3976
		3977	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3978	};
		3979
		3980	cf::cleanup "db_env_open(db): $@" if $@;
		3981	};
		3982	}
		3983
		3984	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3985	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3986	};
		3987	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3988	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3989	};
		3990	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3991	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3992	};
		3993	}
		3994
		3995	{
		3996	# configure IO::AIO
		3997
		3998	IO::AIO::min_parallel 8;
		3999	IO::AIO::max_poll_time $TICK * 0.1;
		4000	undef $AnyEvent::AIO::WATCHER;
		4001	}
		4002
		4003	my $_log_backtrace;
		4004
		4005	sub _log_backtrace {
		4006	my ($msg, @addr) = @_;
		4007
		4008	$msg =~ s/\n//;
		4009
		4010	# limit the # of concurrent backtraces
		4011	if ($_log_backtrace < 2) {
		4012	++$_log_backtrace;
		4013	my $perl_bt = Carp::longmess $msg;
		4014	async {
		4015	$Coro::current->{desc} = "abt $msg";
		4016
		4017	my @bt = fork_call {
		4018	@addr = map { sprintf "%x", $_ } @addr;
		4019	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4020	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4021	or die "addr2line: $!";
		4022
		4023	my @funcs;
		4024	my @res = <$fh>;
		4025	chomp for @res;
		4026	while (@res) {
		4027	my ($func, $line) = splice @res, 0, 2, ();
		4028	push @funcs, "[$func] $line";
		4029	}
		4030
		4031	@funcs
		4032	};
		4033
		4034	LOG llevInfo, "[ABT] $perl_bt\n";
		4035	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4036	LOG llevInfo, "[ABT] $_\n" for @bt;
		4037	--$_log_backtrace;
		4038	};
		4039	} else {
		4040	LOG llevInfo, "[ABT] $msg\n";
		4041	LOG llevInfo, "[ABT] [suppressed]\n";
		4042	}
		4043	}
		4044
		4045	# load additional modules
		4046	require "cf/$_.pm" for @EXTRA_MODULES;
		4047	cf::_connect_to_perl_2;
2482		4048
2483	END { cf::emergency_save }	4049	END { cf::emergency_save }
2484		4050
2485	1	4051	1
2486		4052

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