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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.179 by root, Thu Jan 18 20:39:00 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	201	every server tick.
102		202
103	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
127		257
128	=back	258	=back
129		259
130	=cut	260	=cut
131		261
132	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	269	my $msg = join "", @_;
135	utf8::encode $msg;
136		270
137	$msg .= "\n"	271	$msg .= "\n"
138	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
139		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
140	LOG llevError, $msg;	276	LOG llevWarn, $msg;
141	};	277	};
142	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
143		292
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		300
151	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	302	# within the Safe compartment.
153	for my $pkg (qw(	303	for my $pkg (qw(
154	cf::global cf::attachable	304	cf::global cf::attachable
155	cf::object cf::object::player	305	cf::object cf::object::player
156	cf::client cf::player	306	cf::client cf::player
157	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
158	cf::map cf::party cf::region	309	cf::party cf::region
159	)) {	310	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	312	}
163		313
164	$Event::DIED = sub {	314	$EV::DIED = sub {
165	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
166	};	316	};
		317
		318	#############################################################################
167		319
168	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
169		321
170	=over 4	322	=over 4
171		323
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	343	$d
192	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
193	}	345	}
194		346
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
198		348
199	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
200		350
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
209		352
210	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
211		354
212	=cut	355	=cut
213		356
214	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
216	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
217	}	374	}
218		375
219	=item cf::lock_wait $string	376	=item cf::lock_wait $string
220		377
221	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
222		379
223	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
224		381
225	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
228	returned.	385	returned.
229		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
230	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
232		392
233	=cut	393	=item $locked = cf::lock_active $string
234		394
235	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
236		400
237	sub lock_wait($) {	401	sub lock_wait($) {
238	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	403	}
246		404
247	sub lock_acquire($) {	405	sub lock_acquire($) {
248	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
249		408
250	# wait, to be sure we are not locked	409	sub lock_active($) {
251	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	411	}
260		412
261	sub freeze_mainloop {	413	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
263		415
264	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	417	}
266	$WRITE_RUNTIME_WATCHER->start;	418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
267	};	483	}
268	$WRITE_RUNTIME_WATCHER->stop;	484	};
269	$TICK_WATCHER->stop;	485
270	$guard	486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
271	}	499	}
272		500
273	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
274		502
275	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		508
281	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
282		510
283	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
284		512
285	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
288		517
289	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
292	fast or be very important.	521	fast or be very important.
…		…
294	=cut	523	=cut
295		524
296	sub sync_job(&) {	525	sub sync_job(&) {
297	my ($job) = @_;	526	my ($job) = @_;
298		527
299	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
300	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
302		533
303	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	535
305	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
306		537
307	my $busy = 1;	538	my $busy = 1;
308	my @res;	539	my @res;
309		540
310	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	543	@res = eval { $job->() };
312	warn $@ if $@;	544	error $@ if $@;
313	undef $busy;	545	undef $busy;
314	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
315		547
316	while ($busy) {	548	while ($busy) {
317	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
318	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
319		559
320	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
321	} else {	561	} else {
322	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
323		563
…		…
343	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
344		584
345	$coro	585	$coro
346	}	586	}
347		587
348	sub write_runtime {	588	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		589
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	Executes the given code block with the given arguments in a seperate
352	or return;	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
353		594
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	595	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		596
358	aio_fsync $fh	597	sub fork_call(&@) {
359	and return;	598	my ($cb, @args) = @_;
360		599
361	close $fh	600	# we seemingly have to make a local copy of the whole thing,
362	or return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
363		603
364	aio_rename "$runtime~", $runtime	604	my @res = Coro::Util::fork_eval {
365	and return;	605	reset_signals;
		606	&$cb
		607	}, @args;
366		608
		609	wantarray ? @res : $res[-1]
		610	}
		611
		612	sub objinfo {
367	1	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
		777	}
		778
		779	=item cf::datalog type => key => value, ...
		780
		781	Log a datalog packet of the given type with the given key-value pairs.
		782
		783	=cut
		784
		785	sub datalog($@) {
		786	my ($type, %kv) = @_;
		787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	788	}
369		789
370	=back	790	=back
371		791
372	=cut	792	=cut
373		793
374	#############################################################################	794	#############################################################################
375		795
376	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
377		797
378	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
381		801
382	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	804	Deliantra).
385		805
386	=over 4	806	=over 4
387		807
388	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
389		809
…		…
433	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
434		854
435	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
437		857
438	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
440		860
441	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
442		862
443	=over 4	863	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	972	$registry = $CB_TYPE[$object_type] ||= [];
553		973
554	} elsif ($type eq "subtype") {	974	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	975	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	976	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	977	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		978
559	} elsif ($type eq "package") {	979	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	980	my $pkg = shift @arg;
561		981
562	while (my ($name, $id) = each %cb_id) {	982	while (my ($name, $id) = each %cb_id) {
…		…
567		987
568	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		990
571	} elsif (ref $type) {	991	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
573		993
574	} else {	994	} else {
575	shift @arg;	995	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
577	}	997	}
578	}	998	}
579	}	999	}
580		1000
581	sub _object_attach {	1001	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
592	}	1012	}
593		1013
594	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
595	} else {	1015	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1017	}
598		1018
599	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
600	}	1020	}
601		1021
…		…
603	if (ref $_[0]) {	1023	if (ref $_[0]) {
604	_object_attach @_;	1024	_object_attach @_;
605	} else {	1025	} else {
606	_attach shift->_attach_registry, @_;	1026	_attach shift->_attach_registry, @_;
607	}	1027	}
		1028	_recalc_want;
608	};	1029	};
609		1030
610	# all those should be optimised	1031	# all those should be optimised
611	sub cf::attachable::detach {	1032	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1033	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1036	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1037	reattach ($obj);
617	} else {	1038	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1039	Carp::croak "cannot, currently, detach class attachments";
619	}	1040	}
		1041	_recalc_want;
620	};	1042	};
621		1043
622	sub cf::attachable::attached {	1044	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1045	my ($obj, $name) = @_;
624		1046
…		…
639	";	1061	";
640	die if $@;	1062	die if $@;
641	}	1063	}
642		1064
643	our $override;	1065	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1067
646	sub override {	1068	sub override {
647	$override = 1;	1069	$override = 1;
648	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
649	}	1071	}
650		1072
651	sub do_invoke {	1073	sub do_invoke {
652	my $event = shift;	1074	my $event = shift;
653	my $callbacks = shift;	1075	my $callbacks = shift;
654		1076
655	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
656		1078
657	local $override;	1079	local $override;
658		1080
659	for (@$callbacks) {	1081	for (@$callbacks) {
660	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
661		1083
662	if ($@) {	1084	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1086	override;
666	}	1087	}
667		1088
668	return 1 if $override;	1089	return 1 if $override;
669	}	1090	}
670		1091
671	0	1092	0
672	}	1093	}
673		1094
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1096
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1098
678	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
679		1100
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1102	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1104
684	=back	1105	=back
685		1106
686	=cut	1107	=cut
687		1108
688	#############################################################################	1109	#############################################################################
689	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
690		1153
691	sub reattach {	1154	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1156	my ($obj) = @_;
694		1157
		1158	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1160
697	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
698		1162
699	@$registry = ();	1163	@$registry = ();
700		1164
…		…
705	for (@$attach) {	1169	for (@$attach) {
706	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
708	}	1172	}
709	} else {	1173	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1175	}
712	}	1176	}
713	}	1177	}
714		1178
715	cf::attachable->attach (	1179	cf::attachable->attach (
716	prio => -1000000,	1180	prio => -1000000,
717	on_instantiate => sub {	1181	on_instantiate => sub {
718	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
719		1183
720	$data = from_json $data;	1184	$data = decode_json $data;
721		1185
722	for (@$data) {	1186	for (@$data) {
723	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
724		1188
725	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1205	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
743		1207
744	sync_job {	1208	sync_job {
745	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
748		1214
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1218	if ($cf::USE_FSYNC) {
		1219	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;
752	aio_fsync $fh;	1220	aio_fsync $fh;
		1221	}
753	close $fh;	1222	aio_close $fh;
754		1223
755	if (@$objs) {	1224	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
		1229	if ($cf::USE_FSYNC) {
		1230	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;
760	aio_fsync $fh;	1231	aio_fsync $fh;
		1232	}
761	close $fh;	1233	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
763	}	1235	}
764	} else {	1236	} else {
765	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
766	}	1238	}
767		1239
768	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1244	} else {
770	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
771	}	1246	}
772	} else {	1247	} else {
773	aio_unlink $filename;	1248	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
775	}	1250	}
776	}	1251	};
777	}	1252	}
778		1253
779	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
781		1256
…		…
793	or return;	1268	or return;
794		1269
795	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
797	or return;	1272	or return;
		1273
798	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
799	}	1276	}
800		1277
		1278	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
803	return ($data, $av);	1283	($data, $av)
804	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
805		1291
806	#############################################################################	1292	#############################################################################
807	# command handling &c	1293	# command handling &c
808		1294
809	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1309	}
824		1310
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1312
827	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
828		1318
829	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
830	called.	1320	called.
831		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
832	=cut	1333	=cut
833		1334
834	sub register_extcmd {	1335	sub register_extcmd {
835	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
836		1337
837	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
838	}	1339	}
839		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
840	cf::player->attach (	1349	cf::player->attach (
841	on_command => sub {	1350	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
843		1352
844	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
845	or return;	1354	or return;
846		1355
…		…
851	cf::override;	1360	cf::override;
852	},	1361	},
853	on_extcmd => sub {	1362	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
855		1364
856	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1366
858	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
864	} else {	1382	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1384	}
867		1385
868	cf::override;	1386	cf::override;
869	},	1387	},
870	);	1388	);
871		1389
		1390	# "readahead" all extensions
872	sub load_extension {	1391	sub cache_extensions {
873	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
874		1393
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1397	}
900	die $@;
901	}	1398	};
902		1399
903	push @EXTS, $pkg;	1400	$grp
904	}	1401	}
905		1402
906	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
907	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1410	next unless -r $path;
909	eval {	1411
910	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
911	1	1475	}
912	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
		1485	}
913	}	1486	};
914	}	1487	}
915		1488
916	#############################################################################	1489	#############################################################################
917		1490
		1491	=back
		1492
918	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
919		1494
920	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
921		1496
922	=cut	1497	=cut
923		1498
924	package cf::player;	1499	package cf::player;
925		1500
…		…
927		1502
928	=head3 cf::player	1503	=head3 cf::player
929		1504
930	=over 4	1505	=over 4
931		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
		1520
932	=item cf::player::find $login	1521	=item cf::player::find $login
933		1522
934	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
935		1524
936	=cut	1525	=cut
937		1526
938	sub playerdir($) {	1527	sub playerdir($) {
939	cf::localdir	1528	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1529	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1530	}
945		1531
946	sub path($) {	1532	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1533	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1534
949	(playerdir $login) . "/$login.pl"	1535	(playerdir $login) . "/playerdata"
950	}	1536	}
951		1537
952	sub find_active($) {	1538	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1539	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1540	and $cf::PLAYER{$_[0]}->active
…		…
957		1543
958	sub exists($) {	1544	sub exists($) {
959	my ($login) = @_;	1545	my ($login) = @_;
960		1546
961	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1548	or !aio_stat path $login
963	}	1549	}
964		1550
965	sub find($) {	1551	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1553	my $login = $_[0];
968		1554
969	my $guard = cf::lock_acquire "user_find:$login";	1555	my $guard = cf::lock_acquire "user_find:$login";
970		1556
971	$cf::PLAYER{$_[0]} || do {	1557	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1558	# rename old playerfiles to new ones
		1559	#TODO: remove when no longer required
		1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1563	aio_unlink +(playerdir $login) . "/$login.pl";
		1564
		1565	my $f = new_from_file cf::object::thawer path $login
973	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
975	}	1574	}
976	}	1575	}
977	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
978		1590
979	sub save($) {	1591	sub save($) {
980	my ($pl) = @_;	1592	my ($pl) = @_;
981		1593
982	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
988		1600
989	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
991		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
992	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
993	Coro::cede;	1610	cf::cede_to_tick;
994	}	1611	}
995		1612
996	sub new($) {	1613	sub new($) {
997	my ($login) = @_;	1614	my ($login) = @_;
998		1615
…		…
1004	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1005		1622
1006	$self	1623	$self
1007	}	1624	}
1008		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1009	=item $pl->quit_character	1636	=item $pl->quit_character
1010		1637
1011	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1013		1640
1014	=cut	1641	=cut
1015		1642
1016	sub quit_character {	1643	sub quit_character {
1017	my ($pl) = @_;	1644	my ($pl) = @_;
1018		1645
		1646	my $name = $pl->ob->name;
		1647
1019	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1650
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1026		1656
1027	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1659	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1660	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1661	$pl->destroy;
		1662
		1663	my $prefix = qr<^~\Q$name\E/>;
		1664
		1665	# nuke player maps
		1666	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1667
1032	IO::AIO::aio_rmtree $temp;	1668	IO::AIO::aio_rmtree $temp;
		1669	}
		1670
		1671	=item $pl->kick
		1672
		1673	Kicks a player out of the game. This destroys the connection.
		1674
		1675	=cut
		1676
		1677	sub kick {
		1678	my ($pl, $kicker) = @_;
		1679
		1680	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1681	$pl->killer ("kicked");
		1682	$pl->ns->destroy;
1033	}	1683	}
1034		1684
1035	=item cf::player::list_logins	1685	=item cf::player::list_logins
1036		1686
1037	Returns am arrayref of all valid playernames in the system, can take a	1687	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1688	while and may block, so not sync_job-capable, ever.
1039		1689
1040	=cut	1690	=cut
1041		1691
1042	sub list_logins {	1692	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1693	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1694	or return [];
1045		1695
1046	my @logins;	1696	my @logins;
1047		1697
1048	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1052		1708
1053	utf8::decode $login;	1709	utf8::decode $login;
1054	push @logins, $login;	1710	push @logins, $login;
1055	}	1711	}
1056		1712
1057	\@logins	1713	\@logins
1058	}	1714	}
1059		1715
1060	=item $player->maps	1716	=item $player->maps
1061		1717
		1718	=item cf::player::maps $login
		1719
1062	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1063	player. May block.	1721	player. May block.
1064		1722
1065	=cut	1723	=cut
1066		1724
1067	sub maps($) {	1725	sub maps($) {
1068	my ($pl) = @_;	1726	my ($pl) = @_;
		1727
		1728	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1729
1070	my $files = aio_readdir playerdir $pl	1730	my $files = aio_readdir playerdir $pl
1071	or return;	1731	or return;
1072		1732
1073	my @paths;	1733	my @paths;
…		…
1075	for (@$files) {	1735	for (@$files) {
1076	utf8::decode $_;	1736	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1737	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1738	next unless /^$PATH_SEP/o;
1079		1739
1080	s/\.map$//;	1740	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1741	}
1083		1742
1084	\@paths	1743	\@paths
1085	}	1744	}
1086		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1088		1751
1089	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1090		1753
1091	=cut	1754	=cut
1092		1755
1093	sub ext_reply($$$%) {	1756	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1095		1758
1096	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1760	}
1100		1761
1101	package cf;	1762	=item $player->ext_msg ($type, @msg)
		1763
		1764	Sends an ext event to the client.
		1765
		1766	=cut
		1767
		1768	sub ext_msg($$@) {
		1769	my ($self, $type, @msg) = @_;
		1770
		1771	$self->ns->ext_msg ($type, @msg);
		1772	}
		1773
		1774	=head3 cf::region
		1775
		1776	=over 4
		1777
		1778	=cut
		1779
		1780	package cf::region;
		1781
		1782	=item cf::region::find_by_path $path
		1783
		1784	Tries to decuce the likely region for a map knowing only its path.
		1785
		1786	=cut
		1787
		1788	sub find_by_path($) {
		1789	my ($path) = @_;
		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
		1793	my ($match, $specificity);
		1794
		1795	for my $region (list) {
		1796	if ($region->{match} && $path =~ $region->{match}) {
		1797	($match, $specificity) = ($region, $region->specificity)
		1798	if $region->specificity > $specificity;
		1799	}
		1800	}
		1801
		1802	$match
		1803	}
1102		1804
1103	=back	1805	=back
1104
1105		1806
1106	=head3 cf::map	1807	=head3 cf::map
1107		1808
1108	=over 4	1809	=over 4
1109		1810
…		…
1121	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1123		1824
1124	sub generate_random_map {	1825	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1126	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1831	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1841	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1842	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1843	)
1140	}	1844	}
1141		1845
		1846	=item cf::map->register ($regex, $prio)
		1847
		1848	Register a handler for the map path matching the given regex at the
		1849	givne priority (higher is better, built-in handlers have priority 0, the
		1850	default).
		1851
		1852	=cut
		1853
1142	sub register {	1854	sub register {
1143	my (undef, $regex) = @_;	1855	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1856	my $pkg = caller;
1145		1857
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1859
1149	$EXT_MAP{$pkg} = qr<$regex>;	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1861	}
1151		1862
1152	# also paths starting with '/'	1863	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1865
1155	sub thawer_merge {	1866	sub thawer_merge {
1156	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1157		1868
1158	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1159	local $self->{path};	1870	local $self->{path};
1160	local $self->{load_path};	1871	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1872
1164	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1165	}	1874	}
1166		1875
1167	sub normalise {	1876	sub normalise {
1168	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
		1878
		1879	$path = "$path"; # make sure it's a string
		1880
		1881	$path =~ s/\.map$//;
1169		1882
1170	# map plan:	1883	# map plan:
1171	#	1884	#
1172	# /! non-realised random map exit (special hack!)	1885	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1886	# {... are special paths that are not being touched
…		…
1201		1914
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1915	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1916
1204	$path = normalise $path, $base;	1917	$path = normalise $path, $base;
1205		1918
1206	for my $pkg (keys %EXT_MAP) {	1919	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1920	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1921	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1922	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1211	return $self;	1924	return $self;
1212	}	1925	}
1213	}	1926	}
1214		1927
1215	Carp::carp "unable to resolve path '$path'.";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	1929	()
1217	}	1930	}
1218		1931
1219	sub init {	1932	sub init {
1220	my ($self) = @_;	1933	my ($self) = @_;
…		…
1235		1948
1236	# the original (read-only) location	1949	# the original (read-only) location
1237	sub load_path {	1950	sub load_path {
1238	my ($self) = @_;	1951	my ($self) = @_;
1239		1952
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1953	"$MAPDIR/$self->{path}.map"
1241	}	1954	}
1242		1955
1243	# the temporary/swap location	1956	# the temporary/swap location
1244	sub save_path {	1957	sub save_path {
1245	my ($self) = @_;	1958	my ($self) = @_;
1246		1959
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1961	"$TMPDIR/$path.map"
1249	}	1962	}
1250		1963
1251	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1252	sub uniq_path {	1965	sub uniq_path {
1253	my ($self) = @_;	1966	my ($self) = @_;
1254		1967
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1969	"$UNIQUEDIR/$path"
1257	}	1970	}
1258		1971
1259	# and all this just because we cannot iterate over	1972	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	1973	my ($self) = @_;
1263		1974
1264	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1266	}	1978	}
1267		1979
1268	sub unlink_save {	1980	sub unlink_save {
1269	my ($self) = @_;	1981	my ($self) = @_;
1270		1982
…		…
1275		1987
1276	sub load_header_from($) {	1988	sub load_header_from($) {
1277	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1278		1990
1279	utf8::encode $path;	1991	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1281	or return;	1993	or return;
1282		1994
1283	$self->_load_header ($path)	1995	$self->_load_header ($f)
1284	or return;	1996	or return;
1285		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
		2000
1286	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1287		2002
1288	1	2003	1
1289	}	2004	}
1290		2005
1291	sub load_orig {	2006	sub load_header_orig {
1292	my ($self) = @_;	2007	my ($self) = @_;
1293		2008
1294	$self->load_header_from ($self->load_path)	2009	$self->load_header_from ($self->load_path)
1295	}	2010	}
1296		2011
1297	sub load_temp {	2012	sub load_header_temp {
1298	my ($self) = @_;	2013	my ($self) = @_;
1299		2014
1300	$self->load_header_from ($self->save_path)	2015	$self->load_header_from ($self->save_path)
		2016	}
		2017
		2018	sub prepare_temp {
		2019	my ($self) = @_;
		2020
		2021	$self->last_access ((delete $self->{last_access})
		2022	|| $cf::RUNTIME); #d#
		2023	# safety
		2024	$self->{instantiate_time} = $cf::RUNTIME
		2025	if $self->{instantiate_time} > $cf::RUNTIME;
		2026	}
		2027
		2028	sub prepare_orig {
		2029	my ($self) = @_;
		2030
		2031	$self->{load_original} = 1;
		2032	$self->{instantiate_time} = $cf::RUNTIME;
		2033	$self->last_access ($cf::RUNTIME);
		2034	$self->instantiate;
1301	}	2035	}
1302		2036
1303	sub load_header {	2037	sub load_header {
1304	my ($self) = @_;	2038	my ($self) = @_;
1305		2039
1306	if ($self->load_temp) {	2040	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2041	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2042	} else {
1313	$self->load_orig	2043	$self->load_header_orig
1314	or return;	2044	or return;
1315		2045	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2046	}
		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
		2051	$self->default_region (cf::region::find_by_path $self->{path})
		2052	unless $self->default_region;
1321		2053
1322	1	2054	1
1323	}	2055	}
1324		2056
1325	sub find;	2057	sub find;
1326	sub find {	2058	sub find {
1327	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1328		2060
		2061	cf::cede_to_tick;
		2062
1329	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1330		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2067
1333	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1336	or return;	2070	or return;
1337		2071
1338	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1339		2073
1340	$map->load_header	2074	$map->load_header
1341	or return;	2075	or return;
1342		2076
1343	if ($map->should_reset) {	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2078	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1345	$map->reset;	2082	$map->reset;
1346	undef $guard;
1347	$map = find $path	2083	return find $path;
1348	or return;
1349	}	2084	}
1350		2085
1351	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1352	}	2087	}
1353	}	2088	}
		2089
		2090	sub pre_load { }
		2091	#sub post_load { } # XS
1354		2092
1355	sub load {	2093	sub load {
1356	my ($self) = @_;	2094	my ($self) = @_;
1357		2095
		2096	local $self->{deny_reset} = 1; # loading can take a long time
		2097
1358	my $path = $self->{path};	2098	my $path = $self->{path};
		2099
		2100	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1360		2102
		2103	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2105
1363	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1364		2107
1365	$self->alloc;	2108	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2109
		2110	$self->pre_load;
		2111	cf::cede_to_tick;
		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
		2115	$self->_load_objects ($f)
1367	or return;	2116	or return;
1368		2117
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1370	if delete $self->{load_original};	2119	if delete $self->{load_original};
1371		2120
1372	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2122	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2125	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1377	}	2129	}
1378	}	2130	}
1379		2131
1380	Coro::cede;	2132	$f->resolve_delayed_derefs;
1381		2133
		2134	cf::cede_to_tick;
1382	# now do the right thing for maps	2135	# now do the right thing for maps
1383	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2138	unless $self->difficulty;
1393	Coro::cede;	2139	cf::cede_to_tick;
		2140
		2141	unless ($self->{deny_activate}) {
		2142	$self->decay_objects;
		2143	$self->fix_auto_apply;
		2144	$self->update_buttons;
		2145	cf::cede_to_tick;
1394	$self->activate;	2146	$self->activate;
1395	}	2147	}
1396		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1398	}	2153	}
1399		2154
		2155	$self->post_load;
		2156	}
		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1400	sub customise_for {	2161	sub customise_for {
1401	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1402		2163
1403	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2165	if $self->per_player;
1405		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1406	$self	2170	$self
1407	}	2171	}
1408		2172
1409	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2174	sub load_neighbours {
1411	my ($map) = @_;	2175	my ($map) = @_;
1412		2176
1413	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1414		2178
1415	for (0 .. 3) {	2179	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1417	or next;	2181	or next;
1418	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1419	or next;	2183	or next;
1420	$neigh->load;	2184	$neigh->load;
1421		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2190	}
1425		2191
1426	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1428	or next;	2195	or next;
1429	$neigh->load;	2196	$neigh->load;
1430	}	2197	}
1431	}	2198	}
1432		2199
1433	sub find_sync {	2200	sub find_sync {
1434	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1435		2202
1436	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1437	}	2207	}
1438		2208
1439	sub do_load_sync {	2209	sub do_load_sync {
1440	my ($map) = @_;	2210	my ($map) = @_;
1441		2211
1442	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1443	}	2216	}
1444		2217
1445	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2219	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2220
1459	sub find_async {	2221	sub find_async {
1460	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1461		2223
1462	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1463		2225
1464	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2228	}
		2229
		2230	$MAP_PREFETCH{$path} |= $load;
		2231
		2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
		2235	while (%MAP_PREFETCH) {
		2236	while (my ($k, $v) = each %MAP_PREFETCH) {
		2237	if (my $map = find $k) {
		2238	$map->load if $v;
		2239	}
		2240
		2241	delete $MAP_PREFETCH{$k};
		2242	}
		2243	}
		2244	undef $MAP_PREFETCHER;
1466	}	2245	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2246	$MAP_PREFETCHER->prio (6);
1470		2247
1471	()	2248	()
1472	}	2249	}
1473		2250
		2251	# common code, used by both ->save and ->swapout
1474	sub save {	2252	sub _save {
1475	my ($self) = @_;	2253	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2254
1479	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1480		2256
1481	return unless $self->dirty;	2257	return unless $self->dirty;
1482		2258
…		…
1488	return if $self->{deny_save};	2264	return if $self->{deny_save};
1489		2265
1490	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1491		2267
1492	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1494	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1495		2274
1496	if ($uniq) {	2275	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2278	} else {
1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1501	}	2280	}
1502	}	2281	}
1503		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1504	sub swap_out {	2291	sub swap_out {
1505	my ($self) = @_;	2292	my ($self) = @_;
1506		2293
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1512	return if $self->players;	2298	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1516	$self->clear;	2309	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2310	}
1519		2311
1520	sub reset_at {	2312	sub reset_at {
1521	my ($self) = @_;	2313	my ($self) = @_;
1522		2314
1523	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1526		2317
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2320
…		…
1540	my ($self) = @_;	2331	my ($self) = @_;
1541		2332
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2334
1544	return if $self->players;	2335	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2336
1547	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
		2338
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# need to save uniques path
		2342	unless ($self->{deny_save}) {
		2343	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2344
		2345	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2346	if $uniq;
		2347	}
1548		2348
1549	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1550		2350
1551	$self->in_memory (cf::MAP_SWAPPED);	2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2353	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2354
1556	$self->unlink_save;	2355	$self->unlink_save;
1557	$self->destroy;	2356	$self->destroy;
1558	}	2357	}
1559		2358
1560	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1561		2360
1562	sub nuke {	2361	sub nuke {
1563	my ($self) = @_;	2362	my ($self) = @_;
1564		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1565	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1566		2368
1567	$self->unlink_save;	2369	$self->unlink_save;
1568		2370
1569	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1570	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2376
1575	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1576		2379
1577	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1578	}	2417	}
1579		2418
1580	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1581		2420
1582	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2422	instantiated unique items. May block.
1584		2423
1585	=cut	2424	=cut
1586		2425
1587	sub unique_maps() {	2426	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2427	[
1589	or return;	2428	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2429	utf8::decode $_;
1595	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2432	? ()
		2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
		2435	]
		2436	}
1597		2437
		2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
1598	s/\.map$//;	2459	s/\.map$// or next;
1599	push @paths, $_;	2460	utf8::decode $_;
1600	}	2461	push @maps, "$dir/$_";
		2462	}
1601		2463
1602	\@paths	2464	push @dirs, map "$dir/$_", @$dirs;
1603	}	2465	}
1604		2466
1605	package cf;	2467	\@maps
		2468	}
1606		2469
1607	=back	2470	=back
1608		2471
1609	=head3 cf::object	2472	=head3 cf::object
1610		2473
…		…
1614		2477
1615	=over 4	2478	=over 4
1616		2479
1617	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1618		2481
1619	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1620		2484
1621	=cut	2485	=cut
1622		2486
1623	sub inv_recursive_;	2487	sub inv_recursive_;
1624	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1627		2491
1628	sub inv_recursive {	2492	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1630	}	2494	}
1631		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1632	package cf;	2524	package cf;
1633		2525
1634	=back	2526	=back
1635		2527
1636	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1645		2537
1646	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1647		2553
1648	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2555	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1653		2559
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2561
1656	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1658	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1661	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1662	}	2587	}
1663		2588
1664	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1665		2590
1666	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1679		2604
1680	=item $player_object->enter_link	2605	=item $player_object->enter_link
1681		2606
1682	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1683		2608
1684	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1685	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1686		2613
1687	Will never block.	2614	Will never block.
1688		2615
1689	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1690		2617
…		…
1698	=cut	2625	=cut
1699		2626
1700	sub link_map {	2627	sub link_map {
1701	unless ($LINK_MAP) {	2628	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2629	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2630	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2631	$LINK_MAP->load;
1705	}	2632	}
1706		2633
1707	$LINK_MAP	2634	$LINK_MAP
1708	}	2635	}
…		…
1710	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1711	my ($self) = @_;	2638	my ($self) = @_;
1712		2639
1713	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1714		2641
		2642	++$self->{_link_recursion};
		2643
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2645
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1719		2648
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1721	}	2650	}
1722		2651
1723	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1725		2656
1726	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1727		2658
1728	unless ($map) {	2659	unless ($map) {
1729	# restore original map position	2660	# restore original map position
…		…
1740	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1741	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1742		2673
1743	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1746		2677
1747	$map->load;	2678	$map->load;
1748	$map->load_diag;	2679	$map->load_neighbours;
1749		2680
1750	return unless $self->contr->active;	2681	return unless $self->contr->active;
		2682
		2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2684	if ($self->enter_map ($map, $x, $y)) {
		2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
1751	$self->activate_recursive;	2688	$self->activate_recursive;
1752	$self->enter_map ($map, $x, $y);
1753	}
1754
1755	cf::player->attach (
1756	on_logout => sub {
1757	my ($pl) = @_;
1758
1759	# abort map switching before logout
1760	if ($pl->ob->{_link_pos}) {
1761	cf::sync_job {
1762	$pl->ob->leave_link
1763	};
1764	}
1765	},	2689	}
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2690
1769	# try to abort aborted map switching on player login :)	2691	}
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2692
1787	=item $player_object->goto ($path, $x, $y)	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1788		2694
		2695	Moves the player to the given map-path and coordinates by first freezing
		2696	her, loading and preparing them map, calling the provided $check callback
		2697	that has to return the map if sucecssful, and then unfreezes the player on
		2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
		2703
1789	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1790		2707
1791	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
		2716
		2717	# do generation counting so two concurrent goto's will be executed in-order
		2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2719
1794	$self->enter_link;	2720	$self->enter_link;
1795		2721
1796	(async {	2722	(async {
1797	my $map = cf::map::find $path;	2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
		2744	my $map = eval {
		2745	my $map = defined $path ? cf::map::find $path : undef;
		2746
		2747	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2748	$map = $map->customise_for ($self);
1799		2749	$map = $check->($map, $x, $y, $self) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2750	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	}
1804		2753
		2754	$map
		2755	};
		2756
		2757	if ($@) {
		2758	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	LOG llevError | logBacktrace, Carp::longmess $@;
		2760	}
		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
1806	})->prio (1);	2768	})->prio (1);
1807	}	2769	}
1808		2770
1809	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1810		2772
…		…
1812		2774
1813	sub parse_random_map_params {	2775	sub parse_random_map_params {
1814	my ($spec) = @_;	2776	my ($spec) = @_;
1815		2777
1816	my $rmp = { # defaults	2778	my $rmp = { # defaults
1817	xsize => -1,	2779	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2780	ysize => (cf::rndm 15, 40),
		2781	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2782	#layout => string,
1819	};	2783	};
1820		2784
1821	for (split /\n/, $spec) {	2785	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2786	my ($k, $v) = split /\s+/, $_, 2;
1823		2787
…		…
1827	$rmp	2791	$rmp
1828	}	2792	}
1829		2793
1830	sub prepare_random_map {	2794	sub prepare_random_map {
1831	my ($exit) = @_;	2795	my ($exit) = @_;
1832
1833	my $guard = cf::lock_acquire "exit_prepare:$exit";
1834		2796
1835	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
1836	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
1837	# that depends on the exit object	2799	# that depends on the exit object
1838		2800
1839	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
1840		2802
1841	if ($exit->map) {	2803	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2804	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
1846	}	2810	}
1847		2811
1848	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
1849		2813
1850	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1851	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
1853		2817
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2820	undef $fh;
1857	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
1858		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
1859	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
1860	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
1861	}	2829	}
1862	}	2830	}
1863		2831
1864	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
…		…
1867	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
1868		2836
1869	$self->enter_link;	2837	$self->enter_link;
1870		2838
1871	(async {	2839	(async {
1872	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
1873	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
1874	prepare_random_map $exit	2849	prepare_random_map $exit
1875	if $exit->slaying eq "/!";	2850	if $exit->slaying eq "/!";
		2851	}
1876		2852
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
1879		2856
		2857	$self->goto ($map, $x, $y);
		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
1880	1;	2863	1
1881	}) {	2864	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
1883	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2869
1887	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
1888	$self->leave_link;	2871	$self->leave_link;
1889	}	2872	}
1890	})->prio (1);	2873	})->prio (1);
1891	}	2874	}
1892		2875
…		…
1903		2886
1904	sub cf::client::send_drawinfo {	2887	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2888	my ($self, $text, $flags) = @_;
1906		2889
1907	utf8::encode $text;	2890	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2892	}
1910		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
		3081	=item $client->ext_msg ($type, @msg)
		3082
		3083	Sends an ext event to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_msg($$@) {
		3088	my ($self, $type, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
		3093	push @msg, msgtype => "event_$type";
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
		3114	}
1911		3115
1912	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
1913		3117
1914	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		3121
1918	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	3123	become reliable at some point in the future.
1920		3124
1921	=cut	3125	=cut
1922		3126
1923	sub cf::client::query {	3127	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	3136	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		3138
1935	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
1937	}	3143	}
1938		3144
1939	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
1940	on_reply => sub {	3151	on_reply => sub {
1941	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
1942		3153
1943	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
1944	# get handled first	3155	# get handled first
1945	my $queue = delete $ns->{query_queue}	3156	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	3157	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		3158
1948	(shift @$queue)->[1]->($msg);	3159	(shift @$queue)->[1]->($msg);
		3160	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		3161
1950	push @{ $ns->{query_queue} }, @$queue;	3162	push @{ $ns->{query_queue} }, @$queue;
1951		3163
1952	if (@{ $ns->{query_queue} } == @$queue) {	3164	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	3165	if (@$queue) {
…		…
1955	} else {	3167	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	3169	}
1958	}	3170	}
1959	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
1960	);	3198	);
1961		3199
1962	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
1963		3201
1964	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980		3218
1981	$coro	3219	$coro
1982	}	3220	}
1983		3221
1984	cf::client->attach (	3222	cf::client->attach (
1985	on_destroy => sub {	3223	on_client_destroy => sub {
1986	my ($ns) = @_;	3224	my ($ns) = @_;
1987		3225
1988	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1989	},	3227	},
1990	);	3228	);
…		…
2005	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2007		3245
2008	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2009		3247
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2011		3253
2012	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2013		3255
2014	=pod	3256	=pod
2015		3257
2016	The following fucntions and emthods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2017		3259
2018	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2019	cf::object::player player	3265	cf::object::player
2020	cf::player peaceful	3266	player
2021	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2022		3273
2023	=cut	3274	=cut
2024		3275
2025	for (	3276	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2027	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2029	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2030	) {	3283	) {
2031	no strict 'refs';
2032	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2033	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2034	for @funs;	3286	for @funs;
2035	}	3287	}
2036		3288
…		…
2051		3303
2052	my $qcode = $code;	3304	my $qcode = $code;
2053	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2054	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2055		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2056	local $_;	3311	local $_;
2057	local @safe::cf::_safe_eval_args = values %vars;
2058		3312
2059	my $eval =	3313	my $eval =
2060	"do {\n"	3314	"do {\n"
2061	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2062	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2063	. $code	3317	. $code
2064	. "\n}"	3318	. "\n}"
2065	;	3319	;
2066		3320
		3321	if ($CFG{safe_eval}) {
2067	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2068	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2069	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2070		3330
2071	if ($@) {	3331	if ($@) {
2072	warn "$@";	3332	warn "$@",
2073	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2074	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2075	}	3335	}
2076		3336
2077	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2078	}	3338	}
2079		3339
…		…
2093	=cut	3353	=cut
2094		3354
2095	sub register_script_function {	3355	sub register_script_function {
2096	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2097		3357
2098	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2099	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2100	}	3360	}
2101		3361
2102	=back	3362	=back
2103		3363
2104	=cut	3364	=cut
2105		3365
2106	#############################################################################	3366	#############################################################################
		3367	# the server's init and main functions
2107		3368
2108	=head2 EXTENSION DATABASE SUPPORT	3369	sub load_facedata($) {
		3370	my ($path) = @_;
2109		3371
2110	Crossfire maintains a very simple database for extension use. It can	3372	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	3373	# for this (global event?)
2112	excludes objects.	3374	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		3375
2114	The parameter C<$family> should best start with the name of the extension	3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		3377
2117	=over 4	3378	trace "loading facedata from $path\n";
2118		3379
2119	=item $hashref = cf::db_get $family	3380	0 < aio_load $path, my $facedata
		3381	or die "$path: $!";
2120		3382
2121	Return a hashref for use by the extension C<$family>, which can be	3383	$facedata = Coro::Storable::thaw $facedata;
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124		3384
2125	=item $value = cf::db_get $family => $key	3385	$facedata->{version} == 2
		3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		3387
2127	Returns a single value from the database	3388	# patch in the exptable
2128		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2129	=item cf::db_put $family => $hashref	3390	$facedata->{resource}{"res/exp_table"} = {
2130		3391	type => FT_RSRC,
2131	Stores the given family hashref into the database. Updates are delayed, if	3392	data => $exp_table,
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3393	hash => (Digest::MD5::md5 $exp_table),
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	3394	};
		3395	cf::cede_to_tick;
2180		3396
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	3397	{
		3398	my $faces = $facedata->{faceinfo};
2185		3399
2186	sub db_get($;$) {	3400	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191		3402
2192	sub db_put($$;$) {	3403	cf::face::set_visibility $idx, $info->{visibility};
2193	if (@_ >= 3) {	3404	cf::face::set_magicmap $idx, $info->{magicmap};
2194	$DB->{$_[0]}{$_[1]} = $_[2];	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2195	} else {	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200		3407
2201	cf::global->attach (	3408	cf::cede_to_tick;
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	3409	}
2206	);
2207	}
2208		3410
2209	#############################################################################	3411	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	3412	next unless $info->{smooth};
2211		3413
2212	sub cfg_load {	3414	my $idx = cf::face::find $face
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3415	or next;
2214	or return;
2215		3416
2216	local $/;	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
		3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3420	} else {
		3421	error "smooth face '$info->{smooth}' not found for face '$face'";
		3422	}
		3423
		3424	cf::cede_to_tick;
		3425	}
		3426	}
		3427
		3428	{
		3429	my $anims = $facedata->{animinfo};
		3430
		3431	while (my ($anim, $info) = each %$anims) {
		3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	cf::anim::invalidate_all; # d'oh
		3437	}
		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
		3458	1
		3459	}
		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
		3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
		3484	load_resource_file "$MAPDIR/regions"
		3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
		3491	}
		3492
		3493	sub reload_facedata {
		3494	load_facedata "$DATADIR/facedata"
		3495	or die "unable to load facedata\n";
		3496	}
		3497
		3498	sub reload_archetypes {
		3499	load_resource_file "$DATADIR/archetypes"
		3500	or die "unable to load archetypes\n";
		3501	}
		3502
		3503	sub reload_treasures {
		3504	load_resource_file "$DATADIR/treasures"
		3505	or die "unable to load treasurelists\n";
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
		3531	sub reload_resources {
		3532	trace "reloading resource files...\n";
		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
		3539	reload_regions;
		3540	reload_treasures;
		3541
		3542	trace "finished reloading resource files\n";
		3543	}
		3544
		3545	sub reload_config {
		3546	trace "reloading config file...\n";
		3547
		3548	0 < aio_load "$CONFDIR/config", my $config
		3549	or die "$CONFDIR/config: $!";
		3550
		3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2217	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2218		3555
2219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2220		3557
2221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2223		3560
2224	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2228	};	3565	};
2229	warn $@ if $@;	3566	warn $@ if $@;
2230	}	3567	}
2231	}	3568	}
2232		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2233	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2234	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237	(async {	3611	(async {
2238	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2239	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2240	};	3615	};
2241		3616
2242	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
2243	db_load;	3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
		3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2244	load_extensions;	3640	load_extensions;
2245	Event::loop;	3641
		3642	utime time, time, $RUNTIMEFILE;
		3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2246	}	3660	}
2247		3661
2248	#############################################################################	3662	#############################################################################
2249	# initialisation and cleanup	3663	# initialisation and cleanup
2250		3664
2251	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2252	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2253	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2255	data => WF_AUTOCANCEL,
2256	signal => $signal,
2257	cb => sub {
2258	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2259	},
2260	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2261	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2262	}	3761	}
2263		3762
2264	sub emergency_save() {	3763	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2266		3765
2267	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2268		3772
2269	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2270	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2271	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2272	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2273	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2274	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2275	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2276	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2277	$pl->save;	3784	$pl->save;
2278	}	3785	}
2279	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2280		3787
2281	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2282	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2283	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3793	$map->valid or next;
2285	$map->save;	3794	$map->save;
2286	}	3795	}
2287	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2288	};	3826	};
2289		3827
2290	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2291	}	3829	}
2292		3830
		3831	sub post_cleanup {
		3832	my ($make_core) = @_;
		3833
		3834	IO::AIO::flush;
		3835
		3836	error Carp::longmess "post_cleanup backtrace"
		3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
		3866	}
		3867
2293	sub reload() {	3868	sub do_reload_perl() {
2294	# can/must only be called in main	3869	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2296	warn "can only reload from main coroutine\n";	3871	error "can only reload from main coroutine";
2297	return;	3872	return;
2298	}	3873	}
2299		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2300	warn "reloading...";	3881	info "reloading...";
2301		3882
2302	warn "freezing server";	3883	trace "entering sync_job";
2303	my $guard = freeze_mainloop;	3884
		3885	cf::sync_job {
2304	cf::emergency_save;	3886	#cf::emergency_save;
2305		3887
2306	warn "sync database to disk";
2307	cf::db_sync;
2308	IO::AIO::flush;
2309
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved
2312
2313	warn "cancel all watchers";
2314	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}
2317
2318	warn "cancel all extension coros";	3888	trace "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3890	%EXT_CORO = ();
2321		3891
2322	warn "remove commands";	3892	trace "removing commands";
2323	%COMMAND = ();	3893	%COMMAND = ();
2324		3894
2325	warn "remove ext commands";	3895	trace "removing ext/exti commands";
2326	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2327		3898
2328	warn "unload/nuke all extensions";	3899	trace "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2331		3902
2332	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3904	eval {
2334	$cb->($pkg);	3905	$cb->($pkg);
2335	1	3906	1
2336	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2337	}	3912	}
2338		3913
2339	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;
2341	}
2342
2343	warn "unload all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3917
2347	warn "removing <$k>";	3918	trace "... unloading $k";
2348	delete $INC{$k};	3919	delete $INC{$k};
2349		3920
2350	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2352		3923
2353	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2354	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2355	}	3929	}
2356		3930
2357	Symbol::delete_package $k;
2358	}
2359
2360	warn "get rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3934
2364	warn "unload cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2366		3938
2367	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2368	# and global variables created in xs	3940	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2370		3942
		3943	info "unload completed, starting to reload now";
		3944
2371	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2372	require cf;	3946	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2374		3948
2375	warn "load config and database again";	3949	trace "loading config and database again";
2376	cf::cfg_load;	3950	cf::reload_config;
2377	cf::db_load;
2378		3951
2379	warn "load extensions";	3952	trace "loading extensions";
2380	cf::load_extensions;	3953	cf::load_extensions;
2381		3954
		3955	if ($REATTACH_ON_RELOAD) {
2382	warn "reattach attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2383	_global_reattach;	3957	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	3958	trace "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
		3960	trace "reattaching attachments to players";
		3961	reattach $_ for values %PLAYER;
		3962	}
		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
		3967	trace "leaving sync_job";
		3968
		3969	1
		3970	} or do {
		3971	error $@;
		3972	cf::cleanup "error while reloading, exiting.";
		3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
		3977	}
		3978
		3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
		3981	};
		3982
		3983	our $RELOAD_WATCHER; # used only during reload
		3984
		3985	sub reload_perl() {
		3986	# doing reload synchronously and two reloads happen back-to-back,
		3987	# coro crashes during coro_state_free->destroy here.
		3988
		3989	$RELOAD_WATCHER ||= cf::async {
		3990	Coro::AIO::aio_wait cache_extensions;
		3991
		3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3993	do_reload_perl;
		3994	undef $RELOAD_WATCHER;
		3995	};
2386	};	3996	};
2387		3997	}
2388	if ($@) {
2389	warn $@;
2390	warn "error while reloading, exiting.";
2391	exit 1;
2392	}
2393
2394	warn "reloaded";
2395	};
2396
2397	our $RELOAD_WATCHER; # used only during reload
2398		3998
2399	register_command "reload" => sub {	3999	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2401		4001
2402	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2404		4004	async {
2405	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;	4006	reload_perl;
2410	undef $RELOAD_WATCHER;
2411	});	4007	};
2412	}	4008	}
2413	};	4009	};
2414		4010
2415	unshift @INC, $LIBDIR;	4011	#############################################################################
2416		4012
2417	$TICK_WATCHER = Event->timer (	4013	my $bug_warning = 0;
2418	reentrant => 0,
2419	prio => 0,
2420	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,
2422	cb => sub {
2423	$NOW = Event::time;
2424		4014
		4015	our @WAIT_FOR_TICK;
		4016	our @WAIT_FOR_TICK_BEGIN;
		4017
		4018	sub wait_for_tick() {
		4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4020
		4021	my $signal = new Coro::Signal;
		4022	push @WAIT_FOR_TICK, $signal;
		4023	$signal->wait;
		4024	}
		4025
		4026	sub wait_for_tick_begin() {
		4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4028
		4029	my $signal = new Coro::Signal;
		4030	push @WAIT_FOR_TICK_BEGIN, $signal;
		4031	$signal->wait;
		4032	}
		4033
		4034	sub tick {
		4035	if ($Coro::current != $Coro::main) {
		4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4037	unless ++$bug_warning > 10;
		4038	return;
		4039	}
		4040
2425	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2426	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;
2428		4042
2429	$WAIT_FOR_TICK->broadcast;	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2431		4044
2432	# if we are delayed by four ticks or more, skip them all	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2434		4047	Coro::async_pool {
2435	$TICK_WATCHER->at ($NEXT_TICK);	4048	$Coro::current->{desc} = "runtime saver";
2436	$TICK_WATCHER->start;
2437	},
2438	);
2439
2440	IO::AIO::max_poll_time $TICK * 0.2;
2441
2442	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,
2452	after => 0,
2453	interval => 10,
2454	cb => sub {
2455	(Coro::unblock_sub {
2456	write_runtime	4049	write_runtime_sync
2457	or warn "ERROR: unable to write runtime file: $!";	4050	or error "ERROR: unable to write runtime file: $!";
2458	})->();	4051	};
2459	},	4052	}
2460	);	4053
		4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4055	$sig->send;
		4056	}
		4057	while (my $sig = shift @WAIT_FOR_TICK) {
		4058	$sig->send;
		4059	}
		4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
		4070	}
		4071	}
		4072
		4073	{
		4074	# configure BDB
		4075
		4076	BDB::min_parallel 16;
		4077	BDB::max_poll_reqs $TICK * 0.1;
		4078	$AnyEvent::BDB::WATCHER->priority (1);
		4079
		4080	unless ($DB_ENV) {
		4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4087
		4088	cf::sync_job {
		4089	eval {
		4090	BDB::db_env_open
		4091	$DB_ENV,
		4092	$BDBDIR,
		4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4095	0666;
		4096
		4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4098	};
		4099
		4100	cf::cleanup "db_env_open(db): $@" if $@;
		4101	};
		4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
		4113	}
		4114
		4115	{
		4116	# configure IO::AIO
		4117
		4118	IO::AIO::min_parallel 8;
		4119	IO::AIO::max_poll_time $TICK * 0.1;
		4120	undef $AnyEvent::AIO::WATCHER;
		4121	}
		4122
		4123	my $_log_backtrace;
		4124
		4125	sub _log_backtrace {
		4126	my ($msg, @addr) = @_;
		4127
		4128	$msg =~ s/\n//;
		4129
		4130	# limit the # of concurrent backtraces
		4131	if ($_log_backtrace < 2) {
		4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
		4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
		4137	my @bt = fork_call {
		4138	@addr = map { sprintf "%x", $_ } @addr;
		4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4141	or die "addr2line: $!";
		4142
		4143	my @funcs;
		4144	my @res = <$fh>;
		4145	chomp for @res;
		4146	while (@res) {
		4147	my ($func, $line) = splice @res, 0, 2, ();
		4148	push @funcs, "[$func] $line";
		4149	}
		4150
		4151	@funcs
		4152	};
		4153
		4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4156	LOG llevInfo, "[ABT] $_\n" for @bt;
		4157	--$_log_backtrace;
		4158	};
		4159	} else {
		4160	LOG llevInfo, "[ABT] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
		4162	}
		4163	}
		4164
		4165	# load additional modules
		4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2461		4168
2462	END { cf::emergency_save }	4169	END { cf::emergency_save }
2463		4170
2464	1	4171	1
2465		4172

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