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Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.543 by root, Wed May 5 23:23:29 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		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;
60		118
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	121	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
71		130
72	our %CFG;	131	our %CFG;
73		132
74	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
76		136
77	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		140
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REALLY_UNLOOP; # never set to true, please :)
		153
86	binmode STDOUT;	154	binmode STDOUT;
87	binmode STDERR;	155	binmode STDERR;
88		156
89	# read virtual server time, if available	157	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
94	}	162	}
95		163
96	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	165
98	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		168
103	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
104		170
105	sub cf::map::normalise;	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::"} };
106		187
107	#############################################################################	188	#############################################################################
108		189
109	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
110		191
…		…
117	=item $cf::RUNTIME	198	=item $cf::RUNTIME
118		199
119	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
120	every server tick.	201	every server tick.
121		202
122	=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
123		206
124	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		211
127	=item $cf::NOW	212	=item $cf::NOW
128		213
129	The time of the last (current) server tick.	214	The time of the last (current) server tick.
130		215
131	=item $cf::TICK	216	=item $cf::TICK
132		217
133	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	230	=item %cf::CFG
136		231
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	233	from wherever your confdir points to.
139		234
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		236
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
146	=back	253	=back
147		254
148	=cut	255	=cut
149		256
150	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	264	my $msg = join "", @_;
153		265
154	$msg .= "\n"	266	$msg .= "\n"
155	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
156		268
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		270
159	utf8::encode $msg;
160	LOG llevError, $msg;	271	LOG llevWarn, $msg;
161	};	272	};
162	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
163		287
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		295
171	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	297	# within the Safe compartment.
173	for my $pkg (qw(	298	for my $pkg (qw(
174	cf::global cf::attachable	299	cf::global cf::attachable
175	cf::object cf::object::player	300	cf::object cf::object::player
176	cf::client cf::player	301	cf::client cf::player
177	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
178	cf::map cf::party cf::region	304	cf::party cf::region
179	)) {	305	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	307	}
183		308
184	$Event::DIED = sub {	309	$EV::DIED = sub {
185	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
186	};	311	};
		312
		313	#############################################################################
187		314
188	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
189		316
190	=over 4	317	=over 4
191		318
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	338	$d
212	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
213	}	340	}
214		341
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
218		343
219	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
220		345
221	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
222		347
223	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
224		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
225	=item cf::lock_wait $string	371	=item cf::lock_wait $string
226		372
227	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
228		374
229	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
230		376
231	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
234	returned.	380	returned.
235		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
236	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
238		387
239	=cut	388	=item $locked = cf::lock_active $string
240		389
241	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
242		395
243	sub lock_wait($) {	396	sub lock_wait($) {
244	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	398	}
252		399
253	sub lock_acquire($) {	400	sub lock_acquire($) {
254	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
255		403
256	# wait, to be sure we are not locked	404	sub lock_active($) {
257	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	406	}
266		407
267	sub freeze_mainloop {	408	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
269		410
270	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
272	};	478	}
273	$TICK_WATCHER->stop;	479	};
274	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
275	}	494	}
276		495
277	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
278		497
279	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		503
285	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
286		505
287	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
288		507
289	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
292		512
293	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
296	fast or be very important.	516	fast or be very important.
…		…
298	=cut	518	=cut
299		519
300	sub sync_job(&) {	520	sub sync_job(&) {
301	my ($job) = @_;	521	my ($job) = @_;
302		522
303	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
304	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
306		528
307	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	530
309	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
310		532
311	my $busy = 1;	533	my $busy = 1;
312	my @res;	534	my @res;
313		535
314	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	538	@res = eval { $job->() };
316	warn $@ if $@;	539	error $@ if $@;
317	undef $busy;	540	undef $busy;
318	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
319		542
320	while ($busy) {	543	while ($busy) {
321	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
322	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
323		554
324	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
325	} else {	556	} else {
326	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
327		558
…		…
347	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
348		579
349	$coro	580	$coro
350	}	581	}
351		582
352	sub write_runtime {	583	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		584
355	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
356		589
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
358	or return;
359		591
360	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		594
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
365	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
366		598
367	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	600	reset_signals;
369	and return;	601	&$cb
		602	}, @args;
370		603
371	close $fh	604	wantarray ? @res : $res[-1]
372	or return;	605	}
373		606
374	aio_rename "$runtime~", $runtime	607	sub objinfo {
375	and return;
376
377	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
378	}	772	}
379		773
380	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
381		775
382	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
383		777
384	=cut	778	=cut
385		779
386	sub datalog($@) {	780	sub datalog($@) {
387	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	783	}
390		784
391	=back	785	=back
392		786
393	=cut	787	=cut
394		788
395	#############################################################################	789	#############################################################################
396		790
397	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
398		792
399	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
402		796
403	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	799	Deliantra).
406		800
407	=over 4	801	=over 4
408		802
409	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
410		804
…		…
454	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
455		849
456	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
458		852
459	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
461		855
462	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
463		857
464	=over 4	858	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
574		968
575	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		973
580	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	975	my $pkg = shift @arg;
582		976
583	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
588		982
589	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		985
592	} elsif (ref $type) {	986	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
594		988
595	} else {	989	} else {
596	shift @arg;	990	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
598	}	992	}
599	}	993	}
600	}	994	}
601		995
602	sub _object_attach {	996	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
613	}	1007	}
614		1008
615	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
616	} else {	1010	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1012	}
619		1013
620	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
621	}	1015	}
622		1016
…		…
624	if (ref $_[0]) {	1018	if (ref $_[0]) {
625	_object_attach @_;	1019	_object_attach @_;
626	} else {	1020	} else {
627	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
628	}	1022	}
		1023	_recalc_want;
629	};	1024	};
630		1025
631	# all those should be optimised	1026	# all those should be optimised
632	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1032	reattach ($obj);
638	} else {	1033	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
640	}	1035	}
		1036	_recalc_want;
641	};	1037	};
642		1038
643	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
645		1041
…		…
660	";	1056	";
661	die if $@;	1057	die if $@;
662	}	1058	}
663		1059
664	our $override;	1060	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1062
667	sub override {	1063	sub override {
668	$override = 1;	1064	$override = 1;
669	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
670	}	1066	}
671		1067
672	sub do_invoke {	1068	sub do_invoke {
673	my $event = shift;	1069	my $event = shift;
674	my $callbacks = shift;	1070	my $callbacks = shift;
675		1071
676	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
677		1073
678	local $override;	1074	local $override;
679		1075
680	for (@$callbacks) {	1076	for (@$callbacks) {
681	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
682		1078
683	if ($@) {	1079	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1081	override;
687	}	1082	}
688		1083
689	return 1 if $override;	1084	return 1 if $override;
690	}	1085	}
691		1086
692	0	1087	0
693	}	1088	}
694		1089
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1091
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1093
699	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
700		1095
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1099
705	=back	1100	=back
706		1101
707	=cut	1102	=cut
708		1103
709	#############################################################################	1104	#############################################################################
710	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
711		1148
712	sub reattach {	1149	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1151	my ($obj) = @_;
715		1152
		1153	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1155
718	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
719		1157
720	@$registry = ();	1158	@$registry = ();
721		1159
…		…
726	for (@$attach) {	1164	for (@$attach) {
727	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
729	}	1167	}
730	} else {	1168	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1170	}
733	}	1171	}
734	}	1172	}
735		1173
736	cf::attachable->attach (	1174	cf::attachable->attach (
737	prio => -1000000,	1175	prio => -1000000,
738	on_instantiate => sub {	1176	on_instantiate => sub {
739	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
740		1178
741	$data = from_json $data;	1179	$data = decode_json $data;
742		1180
743	for (@$data) {	1181	for (@$data) {
744	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
745		1183
746	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1200	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
764		1202
765	sync_job {	1203	sync_job {
766	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
769		1209
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
774	close $fh;	1217	aio_close $fh;
775		1218
776	if (@$objs) {	1219	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
782	close $fh;	1228	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
784	}	1230	}
785	} else {	1231	} else {
786	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
787	}	1233	}
788		1234
789	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1239	} else {
791	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
792	}	1241	}
793	} else {	1242	} else {
794	aio_unlink $filename;	1243	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
796	}	1245	}
797	}	1246	};
798	}	1247	}
799		1248
800	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
802		1251
…		…
814	or return;	1263	or return;
815		1264
816	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
818	or return;	1267	or return;
		1268
819	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
820	}	1271	}
821		1272
		1273	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
824	return ($data, $av);	1278	($data, $av)
825	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
826		1286
827	#############################################################################	1287	#############################################################################
828	# command handling &c	1288	# command handling &c
829		1289
830	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1304	}
845		1305
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1307
848	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
849		1313
850	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
851	called.	1315	called.
852		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
853	=cut	1328	=cut
854		1329
855	sub register_extcmd {	1330	sub register_extcmd {
856	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
857		1332
858	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
859	}	1334	}
860		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
861	cf::player->attach (	1344	cf::player->attach (
862	on_command => sub {	1345	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
864		1347
865	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
866	or return;	1349	or return;
867		1350
…		…
872	cf::override;	1355	cf::override;
873	},	1356	},
874	on_extcmd => sub {	1357	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
876		1359
877	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1361
879	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
885	} else {	1377	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1379	}
888		1380
889	cf::override;	1381	cf::override;
890	},	1382	},
891	);	1383	);
892		1384
		1385	# "readahead" all extensions
893	sub load_extension {	1386	sub cache_extensions {
894	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
895		1388
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1392	}
921	die $@;
922	}	1393	};
923		1394
924	push @EXTS, $pkg;	1395	$grp
925	}	1396	}
926		1397
927	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
928	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1405	next unless -r $path;
930	eval {	1406
931	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
932	1	1470	}
933	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
934	}	1481	};
935	}	1482	}
936		1483
937	#############################################################################	1484	#############################################################################
938		1485
		1486	=back
		1487
939	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
940		1489
941	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
942		1491
943	=cut	1492	=cut
944		1493
945	package cf::player;	1494	package cf::player;
946		1495
…		…
948		1497
949	=head3 cf::player	1498	=head3 cf::player
950		1499
951	=over 4	1500	=over 4
952		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
953	=item cf::player::find $login	1516	=item cf::player::find $login
954		1517
955	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
956		1519
957	=cut	1520	=cut
958		1521
959	sub playerdir($) {	1522	sub playerdir($) {
960	cf::localdir	1523	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1525	}
966		1526
967	sub path($) {	1527	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1538
979	sub exists($) {	1539	sub exists($) {
980	my ($login) = @_;	1540	my ($login) = @_;
981		1541
982	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
984	}	1544	}
985		1545
986	sub find($) {	1546	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1548	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
999		1559
1000	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1003	}	1569	}
1004	}	1570	}
1005	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1006		1585
1007	sub save($) {	1586	sub save($) {
1008	my ($pl) = @_;	1587	my ($pl) = @_;
1009		1588
1010	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1016		1595
1017	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1019		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1020	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1021	Coro::cede;	1605	cf::cede_to_tick;
1022	}	1606	}
1023		1607
1024	sub new($) {	1608	sub new($) {
1025	my ($login) = @_;	1609	my ($login) = @_;
1026		1610
…		…
1032	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1033		1617
1034	$self	1618	$self
1035	}	1619	}
1036		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1037	=item $pl->quit_character	1631	=item $pl->quit_character
1038		1632
1039	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1041		1635
…		…
1045	my ($pl) = @_;	1639	my ($pl) = @_;
1046		1640
1047	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1048		1642
1049	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1645
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1056		1651
1057	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1089		1684
1090	=cut	1685	=cut
1091		1686
1092	sub list_logins {	1687	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1689	or return [];
1095		1690
1096	my @logins;	1691	my @logins;
1097		1692
1098	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1102		1703
1103	utf8::decode $login;	1704	utf8::decode $login;
1104	push @logins, $login;	1705	push @logins, $login;
1105	}	1706	}
1106		1707
1107	\@logins	1708	\@logins
1108	}	1709	}
1109		1710
1110	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1111		1714
1112	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1113	player. May block.	1716	player. May block.
1114		1717
1115	=cut	1718	=cut
…		…
1133	}	1736	}
1134		1737
1135	\@paths	1738	\@paths
1136	}	1739	}
1137		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1138	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1139		1746
1140	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1141		1748
1142	=cut	1749	=cut
1143		1750
1144	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1146		1753
1147	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1755	}
1151		1756
1152	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1153		1758
1154	Sends an ext event to the client.	1759	Sends an ext event to the client.
1155		1760
1156	=cut	1761	=cut
1157		1762
1158	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1160		1765
1161	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1162	}	1767	}
1163		1768
1164	=head3 cf::region	1769	=head3 cf::region
1165		1770
1166	=over 4	1771	=over 4
…		…
1169		1774
1170	package cf::region;	1775	package cf::region;
1171		1776
1172	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1173		1778
1174	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1175		1780
1176	=cut	1781	=cut
1177		1782
1178	sub find_by_path($) {	1783	sub find_by_path($) {
1179	my ($path) = @_;	1784	my ($path) = @_;
1180		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1181	my ($match, $specificity);	1788	my ($match, $specificity);
1182		1789
1183	for my $region (list) {	1790	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1187	}	1794	}
1188	}	1795	}
1189		1796
…		…
1210	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1212		1819
1213	sub generate_random_map {	1820	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1215	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1826	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1238		1848
1239	sub register {	1849	sub register {
1240	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1851	my $pkg = caller;
1242		1852
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1854
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1856	}
1248		1857
1249	# also paths starting with '/'	1858	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1860
1252	sub thawer_merge {	1861	sub thawer_merge {
1253	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1254		1863
1255	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1256	local $self->{path};	1865	local $self->{path};
1257	local $self->{load_path};	1866	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1867
1261	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1262	}	1869	}
1263		1870
1264	sub normalise {	1871	sub normalise {
1265	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1266		1873
1267	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1268		1875
1269	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1270		1877
1271	# map plan:	1878	# map plan:
1272	#	1879	#
…		…
1311	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1312	return $self;	1919	return $self;
1313	}	1920	}
1314	}	1921	}
1315		1922
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	1924	()
1318	}	1925	}
1319		1926
1320	sub init {	1927	sub init {
1321	my ($self) = @_;	1928	my ($self) = @_;
…		…
1336		1943
1337	# the original (read-only) location	1944	# the original (read-only) location
1338	sub load_path {	1945	sub load_path {
1339	my ($self) = @_;	1946	my ($self) = @_;
1340		1947
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1342	}	1949	}
1343		1950
1344	# the temporary/swap location	1951	# the temporary/swap location
1345	sub save_path {	1952	sub save_path {
1346	my ($self) = @_;	1953	my ($self) = @_;
1347		1954
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1350	}	1957	}
1351		1958
1352	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1353	sub uniq_path {	1960	sub uniq_path {
1354	my ($self) = @_;	1961	my ($self) = @_;
1355		1962
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1358	}	1965	}
1359		1966
1360	# and all this just because we cannot iterate over	1967	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1968	my ($self) = @_;
1364		1969
1365	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1367	}	1973	}
1368		1974
1369	sub unlink_save {	1975	sub unlink_save {
1370	my ($self) = @_;	1976	my ($self) = @_;
1371		1977
…		…
1376		1982
1377	sub load_header_from($) {	1983	sub load_header_from($) {
1378	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1379		1985
1380	utf8::encode $path;	1986	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1386		1995
1387	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1388		1997
1389	1	1998	1
1390	}	1999	}
…		…
1429	$self->load_header_orig	2038	$self->load_header_orig
1430	or return;	2039	or return;
1431	$self->prepare_orig;	2040	$self->prepare_orig;
1432	}	2041	}
1433		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
1434	$self->default_region (cf::region::find_by_path $self->{path})	2046	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2047	unless $self->default_region;
1436		2048
1437	1	2049	1
1438	}	2050	}
1439		2051
1440	sub find;	2052	sub find;
1441	sub find {	2053	sub find {
1442	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1443		2055
		2056	cf::cede_to_tick;
		2057
1444	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1445		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2062
1448	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1451	or return;	2065	or return;
1452		2066
1453	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1454		2068
1455	$map->load_header	2069	$map->load_header
1456	or return;	2070	or return;
1457		2071
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1461	$map->reset;	2077	$map->reset;
1462	undef $guard;
1463	return find $path;	2078	return find $path;
1464	}	2079	}
1465		2080
1466	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1467	}	2082	}
1468	}	2083	}
1469		2084
1470	sub pre_load { }	2085	sub pre_load { }
1471	sub post_load { }	2086	#sub post_load { } # XS
1472		2087
1473	sub load {	2088	sub load {
1474	my ($self) = @_;	2089	my ($self) = @_;
1475		2090
1476	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1477		2092
1478	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1480		2097
		2098	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2100
1483	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1484		2102
1485	$self->alloc;	2103	$self->alloc;
1486		2104
1487	$self->pre_load;	2105	$self->pre_load;
1488	Coro::cede;	2106	cf::cede_to_tick;
1489		2107
1490	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1491	or return;	2111	or return;
1492		2112
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1494	if delete $self->{load_original};	2114	if delete $self->{load_original};
1495		2115
1496	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2117	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2120	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1501	}	2124	}
1502	}	2125	}
1503		2126
1504	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1505	# now do the right thing for maps	2130	# now do the right thing for maps
1506	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2133	unless $self->difficulty;
1517	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1518	$self->activate;	2141	$self->activate;
1519	Coro::cede;	2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2148	}
1521		2149
1522	$self->post_load;	2150	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2151	}
1527		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2156	sub customise_for {
1529	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1530		2158
1531	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2160	if $self->per_player;
1533		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1534	$self	2165	$self
1535	}	2166	}
1536		2167
1537	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2169	sub load_neighbours {
1539	my ($map) = @_;	2170	my ($map) = @_;
1540		2171
1541	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1542		2173
1543	for (0 .. 3) {	2174	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1545	or next;	2176	or next;
1546	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1547	or next;	2178	or next;
1548	$neigh->load;	2179	$neigh->load;
1549		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2185	}
1553		2186
1554	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1556	or next;	2190	or next;
1557	$neigh->load;	2191	$neigh->load;
1558	}	2192	}
1559	}	2193	}
1560		2194
1561	sub find_sync {	2195	sub find_sync {
1562	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1563		2197
1564	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1565	}	2202	}
1566		2203
1567	sub do_load_sync {	2204	sub do_load_sync {
1568	my ($map) = @_;	2205	my ($map) = @_;
1569		2206
1570	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1571	}	2211	}
1572		2212
1573	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1575		2215
1576	sub find_async {	2216	sub find_async {
1577	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1578		2218
1579	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1580		2220
1581	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2223	}
1584		2224
1585	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1586	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1587	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2232	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2233	$map->load if $v;
		2234	}
1592		2235
1593	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1594	}	2237	}
1595	}	2238	}
1596	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1597	};	2240	};
1598	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1599		2242
1600	()	2243	()
1601	}	2244	}
1602		2245
		2246	# common code, used by both ->save and ->swapout
1603	sub save {	2247	sub _save {
1604	my ($self) = @_;	2248	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2249
1608	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1609		2251
1610	return unless $self->dirty;	2252	return unless $self->dirty;
1611		2253
…		…
1617	return if $self->{deny_save};	2259	return if $self->{deny_save};
1618		2260
1619	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1620		2262
1621	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1623	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1624		2269
1625	if ($uniq) {	2270	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2273	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2275	}
1631	}	2276	}
1632		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1633	sub swap_out {	2286	sub swap_out {
1634	my ($self) = @_;	2287	my ($self) = @_;
1635		2288
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1641	return if $self->players;	2293	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1645	$self->clear;	2304	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2305	}
1648		2306
1649	sub reset_at {	2307	sub reset_at {
1650	my ($self) = @_;	2308	my ($self) = @_;
1651		2309
1652	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1655		2312
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2315
…		…
1669	my ($self) = @_;	2326	my ($self) = @_;
1670		2327
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2329
1673	return if $self->players;	2330	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2331
1676	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1677		2333
1678	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1679		2335
1680	# need to save uniques path	2336	# need to save uniques path
1681	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2341	if $uniq;
1686	}	2342	}
1687		2343
1688	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1689		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2348	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2349
1694	$self->unlink_save;	2350	$self->unlink_save;
1695	$self->destroy;	2351	$self->destroy;
1696	}	2352	}
1697		2353
1698	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1699		2355
1700	sub nuke {	2356	sub nuke {
1701	my ($self) = @_;	2357	my ($self) = @_;
1702		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1703	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1704		2363
1705	$self->unlink_save;	2364	$self->unlink_save;
1706		2365
1707	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2371
1713	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1714		2374
1715	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1716	}	2412	}
1717		2413
1718	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1719		2415
1720	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2417	instantiated unique items. May block.
1722		2418
1723	=cut	2419	=cut
1724		2420
1725	sub unique_maps() {	2421	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1727	or return;	2423	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2424	utf8::decode $_;
1733	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2427	? ()
1736	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2430	]
1738
1739	\@paths
1740	}	2431	}
1741		2432
1742	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1743		2464
1744	=back	2465	=back
1745		2466
1746	=head3 cf::object	2467	=head3 cf::object
1747		2468
…		…
1751		2472
1752	=over 4	2473	=over 4
1753		2474
1754	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1755		2476
1756	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1757		2479
1758	=cut	2480	=cut
1759		2481
1760	sub inv_recursive_;	2482	sub inv_recursive_;
1761	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1764		2486
1765	sub inv_recursive {	2487	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1767	}	2489	}
1768		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1769	package cf;	2519	package cf;
1770		2520
1771	=back	2521	=back
1772		2522
1773	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1782		2532
1783	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1784		2548
1785	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2550	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1790		2554
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2556
1793	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1795	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1798	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1799	}	2582	}
1800		2583
1801	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1802		2585
1803	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1816		2599
1817	=item $player_object->enter_link	2600	=item $player_object->enter_link
1818		2601
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2603
1821	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1823		2608
1824	Will never block.	2609	Will never block.
1825		2610
1826	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1827		2612
…		…
1847	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2633	my ($self) = @_;
1849		2634
1850	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1851		2636
		2637	++$self->{_link_recursion};
		2638
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2640
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1856		2643
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2645	}
1859		2646
1860	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1862		2651
1863	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1864		2653
1865	unless ($map) {	2654	unless ($map) {
1866	# restore original map position	2655	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1879		2668
1880	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1883		2672
1884	$map->load;	2673	$map->load;
1885	$map->load_diag;	2674	$map->load_neighbours;
1886		2675
1887	return unless $self->contr->active;	2676	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2677
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1892	}	2680	# entering was successful
1893		2681	delete $self->{_link_recursion};
1894	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2683	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2684	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2685
1908	# try to abort aborted map switching on player login :)	2686	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2687
1926	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1928	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1929		2702
1930	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2714
1933	$self->enter_link;	2715	$self->enter_link;
1934		2716
1935	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1936	my $map = eval {	2739	my $map = eval {
1937	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1939	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2755	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1944	})->prio (1);	2763	})->prio (1);
1945	}	2764	}
1946		2765
1947	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1948		2767
…		…
1968	}	2787	}
1969		2788
1970	sub prepare_random_map {	2789	sub prepare_random_map {
1971	my ($exit) = @_;	2790	my ($exit) = @_;
1972		2791
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2794	# that depends on the exit object
1978		2795
1979	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2798	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1986	}	2805	}
1987		2806
1988	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1989		2808
1990	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1993		2812
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2815	undef $fh;
1997	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1998		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2001	}	2824	}
2002	}	2825	}
2003		2826
2004	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2006		2829
2007	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2008		2831
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2832	$self->enter_link;
2021		2833
2022	(async {	2834	(async {
2023	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2024	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2025	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2026		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2027	1;	2858	1
2028	}) {	2859	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2864
2034	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2866	$self->leave_link;
2036	}	2867	}
2037	})->prio (1);	2868	})->prio (1);
2038	}	2869	}
2039		2870
…		…
2053		2884
2054	utf8::encode $text;	2885	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2887	}
2057		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2058	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2059		3077
2060	Sends an exti event to the client.	3078	Sends an ext event to the client.
2061		3079
2062	=cut	3080	=cut
2063		3081
2064	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2066		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2069	}	3109	}
2070		3110
2071	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2072		3112
2073	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3116
2077	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3118	become reliable at some point in the future.
2079		3119
2080	=cut	3120	=cut
2081		3121
2082	sub cf::client::query {	3122	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3131	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3133
2094	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2096	}	3138	}
2097		3139
2098	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2099	on_reply => sub {	3146	on_reply => sub {
2100	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2101		3148
2102	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2103	# get handled first	3150	# get handled first
…		…
2115	} else {	3162	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3164	}
2118	}	3165	}
2119	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2120	);	3193	);
2121		3194
2122	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2123		3196
2124	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3213
2141	$coro	3214	$coro
2142	}	3215	}
2143		3216
2144	cf::client->attach (	3217	cf::client->attach (
2145	on_destroy => sub {	3218	on_client_destroy => sub {
2146	my ($ns) = @_;	3219	my ($ns) = @_;
2147		3220
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3222	},
2150	);	3223	);
…		…
2165	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2167		3240
2168	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2169		3242
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2171		3248
2172	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2173		3250
2174	=pod	3251	=pod
2175		3252
2176	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2177		3254
2178	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2179	cf::object::player player	3260	cf::object::player
2180	cf::player peaceful	3261	player
2181	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2182		3268
2183	=cut	3269	=cut
2184		3270
2185	for (	3271	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2190	) {	3278	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3281	for @funs;
2195	}	3282	}
2196		3283
…		…
2211		3298
2212	my $qcode = $code;	3299	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2215		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2216	local $_;	3306	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3307
2219	my $eval =	3308	my $eval =
2220	"do {\n"	3309	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3312	. $code
2224	. "\n}"	3313	. "\n}"
2225	;	3314	;
2226		3315
		3316	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2230		3325
2231	if ($@) {	3326	if ($@) {
2232	warn "$@";	3327	warn "$@",
2233	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2235	}	3330	}
2236		3331
2237	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2238	}	3333	}
2239		3334
…		…
2253	=cut	3348	=cut
2254		3349
2255	sub register_script_function {	3350	sub register_script_function {
2256	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2257		3352
2258	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2260	}	3355	}
2261		3356
2262	=back	3357	=back
2263		3358
2264	=cut	3359	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433		3360
2434	#############################################################################	3361	#############################################################################
2435	# the server's init and main functions	3362	# the server's init and main functions
2436		3363
2437	sub load_facedata($) {	3364	sub load_facedata($) {
2438	my ($path) = @_;	3365	my ($path) = @_;
2439		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2440	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2441		3374
2442	my $facedata;	3375	my $facedata;
2443	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2444	or die "$path: $!";	3377	or die "$path: $!";
2445		3378
2446	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2447		3380
2448	$facedata->{version} == 2	3381	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2451	{	3393	{
2452	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2453		3395
2454	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2459	Coro::cede;	3403
		3404	cf::cede_to_tick;
2460	}	3405	}
2461		3406
2462	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2464	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2465	or next;	3411	or next;
		3412
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3416	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3418	}
2471	Coro::cede;	3419
		3420	cf::cede_to_tick;
2472	}	3421	}
2473	}	3422	}
2474		3423
2475	{	3424	{
2476	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2477		3426
2478	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3429	cf::cede_to_tick;
2481	}	3430	}
2482		3431
2483	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2484	}	3433	}
2485		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2486	1	3454	1
2487	}	3455	}
2488		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
2489	sub reload_facedata {	3489	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3490	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
2492	}	3492	}
2493		3493
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3494	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3495	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3496	or die "unable to load archetypes\n";
2502	}	3497	}
2503		3498
2504	sub reload_treasures {	3499	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3500	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2507	}	3502	}
2508		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2509	sub reload_resources {	3527	sub reload_resources {
2510	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2511		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2512	reload_regions;	3533	reload_regions;
2513	reload_facedata;
2514	reload_archetypes;
2515	reload_treasures;	3534	reload_treasures;
2516		3535
2517	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2518	}	3537	}
2519		3538
2520	sub init {	3539	sub reload_config {
2521	reload_resources;	3540	trace "reloading config file...\n";
2522	}
2523		3541
2524	sub cfg_load {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3543	or return;
2527		3544
2528	local $/;	3545	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2530		3547
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2532		3549
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2535		3552
2536	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2539	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2540	};	3557	};
2541	warn $@ if $@;	3558	warn $@ if $@;
2542	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2543	}	3590	}
2544		3591
2545	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2546	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3605	(async {
2550	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2552	};	3609	};
2553		3610
2554	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::incloader::init ();
		3615
		3616	cf::init_experience;
		3617	cf::init_anim;
		3618	cf::init_attackmess;
		3619	cf::init_dynamic;
		3620
		3621	cf::load_settings;
		3622	cf::load_materials;
		3623
		3624	reload_resources;
		3625	reload_config;
2555	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2556	load_extensions;	3636	load_extensions;
2557		3637
2558	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2559	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2560	}	3656	}
2561		3657
2562	#############################################################################	3658	#############################################################################
2563	# initialisation and cleanup	3659	# initialisation and cleanup
2564		3660
2565	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2566	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2575	},
2576	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2577	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2578	}	3757	}
2579		3758
2580	sub emergency_save() {	3759	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2582		3761
2583	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2584		3768
2585	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2586	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2587	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2588	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2590	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3780	$pl->save;
2594	}	3781	}
2595	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2596		3783
2597	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2598	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2599	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2600	$map->valid or next;	3789	$map->valid or next;
2601	$map->save;	3790	$map->save;
2602	}	3791	}
2603	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2604		3793
2605	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2608	};	3822	};
2609		3823
2610	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2611	}	3825	}
2612		3826
2613	sub post_cleanup {	3827	sub post_cleanup {
2614	my ($make_core) = @_;	3828	my ($make_core) = @_;
2615		3829
		3830	IO::AIO::flush;
		3831
2616	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
2618	}	3862	}
2619		3863
2620	sub do_reload_perl() {	3864	sub do_reload_perl() {
2621	# can/must only be called in main	3865	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2623	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2624	return;	3868	return;
2625	}	3869	}
2626		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2627	warn "reloading...";	3877	info "reloading...";
2628		3878
2629	warn "entering sync_job";	3879	trace "entering sync_job";
2630		3880
2631	cf::sync_job {	3881	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark
2633	cf::emergency_save;	3882	#cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark
2635		3883
2636	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;
2638
2639	# if anything goes wrong in here, we should simply crash as we already saved
2640
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;
2652	warn "iterate...";
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();	3886	%EXT_CORO = ();
2660		3887
2661	warn "removing commands";	3888	trace "removing commands";
2662	%COMMAND = ();	3889	%COMMAND = ();
2663		3890
2664	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2665	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2666		3894
2667	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2670		3898
2671	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2672	eval {	3900	eval {
2673	$cb->($pkg);	3901	$cb->($pkg);
2674	1	3902	1
2675	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2676	}	3908	}
2677		3909
2678	warn "... nuking $pkg";
2679	Symbol::delete_package $pkg;
2680	}
2681
2682	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2683	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3913
2686	warn "... unloading $k";	3914	trace "... unloading $k";
2687	delete $INC{$k};	3915	delete $INC{$k};
2688		3916
2689	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2691		3919
2692	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2693	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2694	}	3925	}
2695		3926
2696	Symbol::delete_package $k;
2697	}
2698
2699	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3930
2703	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
		3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2705		3934
2706	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3936	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2709		3938
2710	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2711		3940
2712	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2713	require cf;	3942	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2715		3944
2716	warn "loading config and database again";	3945	trace "loading config and database again";
2717	cf::cfg_load;	3946	cf::reload_config;
2718		3947
2719	warn "loading extensions";	3948	trace "loading extensions";
2720	cf::load_extensions;	3949	cf::load_extensions;
2721		3950
		3951	if ($REATTACH_ON_RELOAD) {
2722	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
2728		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
2729	warn "leaving sync_job";	3963	trace "leaving sync_job";
2730		3964
2731	1	3965	1
2732	} or do {	3966	} or do {
2733	warn $@;	3967	error $@;
2734	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2735	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
2736	};	3973	}
2737		3974
2738	warn "reloaded";	3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
2739	};	3977	};
2740		3978
2741	our $RELOAD_WATCHER; # used only during reload	3979	our $RELOAD_WATCHER; # used only during reload
2742		3980
2743	sub reload_perl() {	3981	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3982	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3983	# coro crashes during coro_state_free->destroy here.
2746		3984
2747	$RELOAD_WATCHER ||= Event->timer (	3985	$RELOAD_WATCHER ||= cf::async {
2748	reentrant => 0,	3986	Coro::AIO::aio_wait cache_extensions;
2749	after => 0,	3987
2750	data => WF_AUTOCANCEL,	3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2751	cb => sub {
2752	do_reload_perl;	3989	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3990	undef $RELOAD_WATCHER;
2754	},	3991	};
2755	);	3992	};
2756	}	3993	}
2757		3994
2758	register_command "reload" => sub {	3995	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2760		3997
2761	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	4002	reload_perl;
		4003	};
2764	}	4004	}
2765	};	4005	};
2766		4006
2767	unshift @INC, $LIBDIR;	4007	#############################################################################
2768		4008
2769	my $bug_warning = 0;	4009	my $bug_warning = 0;
2770		4010
2771	our @WAIT_FOR_TICK;	4011	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	4012	our @WAIT_FOR_TICK_BEGIN;
2773		4013
2774	sub wait_for_tick {	4014	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2777		4016
2778	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	4018	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	4019	$signal->wait;
2781	}	4020	}
2782		4021
2783	sub wait_for_tick_begin {	4022	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2786		4024
2787	my $signal = new Coro::Signal;	4025	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	4026	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	4027	$signal->wait;
2790	}	4028	}
2791		4029
2792	$TICK_WATCHER = Event->timer (	4030	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2802	return;	4034	return;
2803	}	4035	}
2804		4036
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2808		4038
2809	$RUNTIME += $TICK;	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810	$NEXT_TICK += $TICK;
2811		4040
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	4043	Coro::async_pool {
		4044	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	4045	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	4046	or error "ERROR: unable to write runtime file: $!";
2817	};
2818	}	4047	};
		4048	}
2819		4049
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	4051	$sig->send;
2831	}	4052	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	4053	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	4054	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	4055	}
2838	);	4056
		4057	$LOAD = ($NOW - $TICK_START) / $TICK;
		4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4059
		4060	if (0) {
		4061	if ($NEXT_TICK) {
		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
		4066	}
		4067	}
2839		4068
2840	{	4069	{
2841	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	4071
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
2851		4073	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		4075
2867	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		4083
2870	cf::sync_job {	4084	cf::sync_job {
2871	eval {	4085	eval {
2872	BDB::db_env_open	4086	BDB::db_env_open
2873	$DB_ENV,	4087	$DB_ENV,
2874	$BDB_ENV_DIR,	4088	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	4091	0666;
2878		4092
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	4094	};
2884		4095
2885	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	4097	};
2887	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
2888	}	4109	}
2889		4110
2890	{	4111	{
		4112	# configure IO::AIO
		4113
2891	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	4117	}
2897	data => WF_AUTOCANCEL,	4118
2898	fd => IO::AIO::poll_fileno,	4119	my $_log_backtrace;
2899	poll => 'r',	4120
2900	prio => 6,	4121	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	4122	my ($msg, @addr) = @_;
2902	);	4123
		4124	$msg =~ s/\n//;
		4125
		4126	# limit the # of concurrent backtraces
		4127	if ($_log_backtrace < 2) {
		4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
		4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
		4133	my @bt = fork_call {
		4134	@addr = map { sprintf "%x", $_ } @addr;
		4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4137	or die "addr2line: $!";
		4138
		4139	my @funcs;
		4140	my @res = <$fh>;
		4141	chomp for @res;
		4142	while (@res) {
		4143	my ($func, $line) = splice @res, 0, 2, ();
		4144	push @funcs, "[$func] $line";
		4145	}
		4146
		4147	@funcs
		4148	};
		4149
		4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4152	LOG llevInfo, "[ABT] $_\n" for @bt;
		4153	--$_log_backtrace;
		4154	};
		4155	} else {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
		4158	}
2903	}	4159	}
2904		4160
2905	# load additional modules	4161	# load additional modules
2906	use cf::pod;	4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2907		4164
2908	END { cf::emergency_save }	4165	END { cf::emergency_save }
2909		4166
2910	1	4167	1
2911		4168

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