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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.185 by root, Fri Jan 19 23:32:52 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	201	every server tick.
102		202
103	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
127		257
128	=back	258	=back
129		259
130	=cut	260	=cut
131		261
132	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	269	my $msg = join "", @_;
135	utf8::encode $msg;
136		270
137	$msg .= "\n"	271	$msg .= "\n"
138	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
139		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
140	LOG llevError, $msg;	276	LOG llevWarn, $msg;
141	};	277	};
142	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
143		292
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		300
151	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	302	# within the Safe compartment.
153	for my $pkg (qw(	303	for my $pkg (qw(
154	cf::global cf::attachable	304	cf::global cf::attachable
155	cf::object cf::object::player	305	cf::object cf::object::player
156	cf::client cf::player	306	cf::client cf::player
157	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
158	cf::map cf::party cf::region	309	cf::party cf::region
159	)) {	310	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	312	}
163		313
164	$Event::DIED = sub {	314	$EV::DIED = sub {
165	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
166	};	316	};
		317
		318	#############################################################################
167		319
168	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
169		321
170	=over 4	322	=over 4
171		323
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	343	$d
192	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
193	}	345	}
194		346
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
198		348
199	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
200		350
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
209		352
210	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
211		354
212	=cut	355	=cut
213		356
214	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
216	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
217	}	374	}
218		375
219	=item cf::lock_wait $string	376	=item cf::lock_wait $string
220		377
221	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
222		379
223	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
224		381
225	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
228	returned.	385	returned.
229		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
230	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
232		392
233	=cut	393	=item $locked = cf::lock_active $string
234		394
235	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
236		400
237	sub lock_wait($) {	401	sub lock_wait($) {
238	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	403	}
246		404
247	sub lock_acquire($) {	405	sub lock_acquire($) {
248	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
249		408
250	# wait, to be sure we are not locked	409	sub lock_active($) {
251	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	411	}
260		412
261	sub freeze_mainloop {	413	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
263		415
264	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	417	}
266	$WRITE_RUNTIME_WATCHER->start;	418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
267	};	483	}
268	$WRITE_RUNTIME_WATCHER->stop;	484	};
269	$TICK_WATCHER->stop;	485
270	$guard	486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
271	}	499	}
272		500
273	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
274		502
275	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		508
281	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
282		510
283	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
284		512
285	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
288		517
289	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
292	fast or be very important.	521	fast or be very important.
…		…
294	=cut	523	=cut
295		524
296	sub sync_job(&) {	525	sub sync_job(&) {
297	my ($job) = @_;	526	my ($job) = @_;
298		527
299	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
300	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
302		533
303	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	535
305	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
306		537
307	my $busy = 1;	538	my $busy = 1;
308	my @res;	539	my @res;
309		540
310	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	543	@res = eval { $job->() };
312	warn $@ if $@;	544	error $@ if $@;
313	undef $busy;	545	undef $busy;
314	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
315		547
316	while ($busy) {	548	while ($busy) {
317	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
318	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
319		559
320	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
321	} else {	561	} else {
322	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
323		563
…		…
343	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
344		584
345	$coro	585	$coro
346	}	586	}
347		587
348	sub write_runtime {	588	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		589
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	Executes the given code block with the given arguments in a seperate
352	or return;	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
353		594
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	595	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		596
358	aio_fsync $fh	597	sub post_fork {
359	and return;	598	reset_signals;
		599	}
360		600
361	close $fh	601	sub fork_call(&@) {
362	or return;	602	my ($cb, @args) = @_;
363		603
364	aio_rename "$runtime~", $runtime	604	# we seemingly have to make a local copy of the whole thing,
365	and return;	605	# otherwise perl prematurely frees the stuff :/
		606	# TODO: investigate and fix (likely this will be rather laborious)
366		607
		608	my @res = Coro::Util::fork_eval {
		609	cf::post_fork;
		610	&$cb
		611	}, @args;
		612
		613	wantarray ? @res : $res[-1]
		614	}
		615
		616	sub objinfo {
367	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
		781	}
		782
		783	=item cf::datalog type => key => value, ...
		784
		785	Log a datalog packet of the given type with the given key-value pairs.
		786
		787	=cut
		788
		789	sub datalog($@) {
		790	my ($type, %kv) = @_;
		791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	792	}
369		793
370	=back	794	=back
371		795
372	=cut	796	=cut
373		797
374	#############################################################################	798	#############################################################################
375		799
376	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
377		801
378	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
381		805
382	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	808	Deliantra).
385		809
386	=over 4	810	=over 4
387		811
388	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
389		813
…		…
433	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
434		858
435	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
437		861
438	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
440		864
441	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
442		866
443	=over 4	867	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
553		977
554	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		982
559	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	984	my $pkg = shift @arg;
561		985
562	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
567		991
568	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		994
571	} elsif (ref $type) {	995	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
573		997
574	} else {	998	} else {
575	shift @arg;	999	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
577	}	1001	}
578	}	1002	}
579	}	1003	}
580		1004
581	sub _object_attach {	1005	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
592	}	1016	}
593		1017
594	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
595	} else {	1019	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1021	}
598		1022
599	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
600	}	1024	}
601		1025
…		…
603	if (ref $_[0]) {	1027	if (ref $_[0]) {
604	_object_attach @_;	1028	_object_attach @_;
605	} else {	1029	} else {
606	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
607	}	1031	}
		1032	_recalc_want;
608	};	1033	};
609		1034
610	# all those should be optimised	1035	# all those should be optimised
611	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1041	reattach ($obj);
617	} else {	1042	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
619	}	1044	}
		1045	_recalc_want;
620	};	1046	};
621		1047
622	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
624		1050
…		…
639	";	1065	";
640	die if $@;	1066	die if $@;
641	}	1067	}
642		1068
643	our $override;	1069	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1071
646	sub override {	1072	sub override {
647	$override = 1;	1073	$override = 1;
648	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
649	}	1075	}
650		1076
651	sub do_invoke {	1077	sub do_invoke {
652	my $event = shift;	1078	my $event = shift;
653	my $callbacks = shift;	1079	my $callbacks = shift;
654		1080
655	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
656		1082
657	local $override;	1083	local $override;
658		1084
659	for (@$callbacks) {	1085	for (@$callbacks) {
660	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
661		1087
662	if ($@) {	1088	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1090	override;
666	}	1091	}
667		1092
668	return 1 if $override;	1093	return 1 if $override;
669	}	1094	}
670		1095
671	0	1096	0
672	}	1097	}
673		1098
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1100
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1102
678	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
679		1104
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1108
684	=back	1109	=back
685		1110
686	=cut	1111	=cut
687		1112
688	#############################################################################	1113	#############################################################################
689	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
690		1157
691	sub reattach {	1158	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1160	my ($obj) = @_;
694		1161
		1162	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1164
697	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
698		1166
699	@$registry = ();	1167	@$registry = ();
700		1168
…		…
705	for (@$attach) {	1173	for (@$attach) {
706	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
708	}	1176	}
709	} else {	1177	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1179	}
712	}	1180	}
713	}	1181	}
714		1182
715	cf::attachable->attach (	1183	cf::attachable->attach (
716	prio => -1000000,	1184	prio => -1000000,
717	on_instantiate => sub {	1185	on_instantiate => sub {
718	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
719		1187
720	$data = from_json $data;	1188	$data = decode_json $data;
721		1189
722	for (@$data) {	1190	for (@$data) {
723	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
724		1192
725	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1209	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
743		1211
744	sync_job {	1212	sync_job {
745	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
748		1218
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
753	close $fh;	1226	aio_close $fh;
754		1227
755	if (@$objs) {	1228	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
		1233	if ($cf::USE_FSYNC) {
		1234	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
760	aio_fsync $fh;	1235	aio_fsync $fh;
		1236	}
761	close $fh;	1237	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
763	}	1239	}
764	} else {	1240	} else {
765	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
766	}	1242	}
767		1243
768	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1248	} else {
770	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
771	}	1250	}
772	} else {	1251	} else {
773	aio_unlink $filename;	1252	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
775	}	1254	}
776	}	1255	};
777	}	1256	}
778		1257
779	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
781		1260
…		…
793	or return;	1272	or return;
794		1273
795	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
797	or return;	1276	or return;
		1277
798	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
799	}	1280	}
800		1281
		1282	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
803	return ($data, $av);	1287	($data, $av)
804	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
805		1295
806	#############################################################################	1296	#############################################################################
807	# command handling &c	1297	# command handling &c
808		1298
809	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1313	}
824		1314
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1316
827	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
828		1322
829	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
830	called.	1324	called.
831		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
832	=cut	1337	=cut
833		1338
834	sub register_extcmd {	1339	sub register_extcmd {
835	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
836		1341
837	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
838	}	1343	}
839		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
840	cf::player->attach (	1353	cf::player->attach (
841	on_command => sub {	1354	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
843		1356
844	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
845	or return;	1358	or return;
846		1359
…		…
851	cf::override;	1364	cf::override;
852	},	1365	},
853	on_extcmd => sub {	1366	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
855		1368
856	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1370
858	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
864	} else {	1386	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1388	}
867		1389
868	cf::override;	1390	cf::override;
869	},	1391	},
870	);	1392	);
871		1393
		1394	# "readahead" all extensions
872	sub load_extension {	1395	sub cache_extensions {
873	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
874		1397
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1401	}
900	die $@;
901	}	1402	};
902		1403
903	push @EXTS, $pkg;	1404	$grp
904	}	1405	}
905		1406
906	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
907	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1414	next unless -r $path;
909	eval {	1415
910	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
911	1	1479	}
912	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
913	}	1490	};
914	}	1491	}
915		1492
916	#############################################################################	1493	#############################################################################
917		1494
		1495	=back
		1496
918	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
919		1498
920	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
921		1500
922	=cut	1501	=cut
923		1502
924	package cf::player;	1503	package cf::player;
925		1504
…		…
927		1506
928	=head3 cf::player	1507	=head3 cf::player
929		1508
930	=over 4	1509	=over 4
931		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
		1524
932	=item cf::player::find $login	1525	=item cf::player::find $login
933		1526
934	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
935		1528
936	=cut	1529	=cut
937		1530
938	sub playerdir($) {	1531	sub playerdir($) {
939	cf::localdir	1532	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1533	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1534	}
945		1535
946	sub path($) {	1536	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1537	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1538
949	(playerdir $login) . "/$login.pl"	1539	(playerdir $login) . "/playerdata"
950	}	1540	}
951		1541
952	sub find_active($) {	1542	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1543	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1544	and $cf::PLAYER{$_[0]}->active
…		…
957		1547
958	sub exists($) {	1548	sub exists($) {
959	my ($login) = @_;	1549	my ($login) = @_;
960		1550
961	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
963	}	1553	}
964		1554
965	sub find($) {	1555	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1557	my $login = $_[0];
968		1558
969	my $guard = cf::lock_acquire "user_find:$login";	1559	my $guard = cf::lock_acquire "user_find:$login";
970		1560
971	$cf::PLAYER{$_[0]} || do {	1561	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1562	# rename old playerfiles to new ones
		1563	#TODO: remove when no longer required
		1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1567	aio_unlink +(playerdir $login) . "/$login.pl";
		1568
		1569	my $f = new_from_file cf::object::thawer path $login
973	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
975	}	1578	}
976	}	1579	}
977	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
978		1594
979	sub save($) {	1595	sub save($) {
980	my ($pl) = @_;	1596	my ($pl) = @_;
981		1597
982	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
988		1604
989	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
991		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
992	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
993	Coro::cede;	1614	cf::cede_to_tick;
994	}	1615	}
995		1616
996	sub new($) {	1617	sub new($) {
997	my ($login) = @_;	1618	my ($login) = @_;
998		1619
…		…
1004	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1005		1626
1006	$self	1627	$self
1007	}	1628	}
1008		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1009	=item $pl->quit_character	1640	=item $pl->quit_character
1010		1641
1011	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1013		1644
1014	=cut	1645	=cut
1015		1646
1016	sub quit_character {	1647	sub quit_character {
1017	my ($pl) = @_;	1648	my ($pl) = @_;
1018		1649
		1650	my $name = $pl->ob->name;
		1651
1019	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1654
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1026		1663
1027	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1666	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1667	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1668	$pl->destroy;
		1669
		1670	my $prefix = qr<^~\Q$name\E/>;
		1671
		1672	# nuke player maps
		1673	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1674
1032	IO::AIO::aio_rmtree $temp;	1675	IO::AIO::aio_rmtree $temp;
		1676	}
		1677
		1678	=item $pl->kick
		1679
		1680	Kicks a player out of the game. This destroys the connection.
		1681
		1682	=cut
		1683
		1684	sub kick {
		1685	my ($pl, $kicker) = @_;
		1686
		1687	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1688	$pl->killer ("kicked");
		1689	$pl->ns->destroy;
1033	}	1690	}
1034		1691
1035	=item cf::player::list_logins	1692	=item cf::player::list_logins
1036		1693
1037	Returns am arrayref of all valid playernames in the system, can take a	1694	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1695	while and may block, so not sync_job-capable, ever.
1039		1696
1040	=cut	1697	=cut
1041		1698
1042	sub list_logins {	1699	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1700	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1701	or return [];
1045		1702
1046	my @logins;	1703	my @logins;
1047		1704
1048	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1052		1715
1053	utf8::decode $login;	1716	utf8::decode $login;
1054	push @logins, $login;	1717	push @logins, $login;
1055	}	1718	}
1056		1719
1057	\@logins	1720	\@logins
1058	}	1721	}
1059		1722
1060	=item $player->maps	1723	=item $player->maps
1061		1724
		1725	=item cf::player::maps $login
		1726
1062	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1063	player. May block.	1728	player. May block.
1064		1729
1065	=cut	1730	=cut
1066		1731
1067	sub maps($) {	1732	sub maps($) {
1068	my ($pl) = @_;	1733	my ($pl) = @_;
		1734
		1735	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1736
1070	my $files = aio_readdir playerdir $pl	1737	my $files = aio_readdir playerdir $pl
1071	or return;	1738	or return;
1072		1739
1073	my @paths;	1740	my @paths;
…		…
1075	for (@$files) {	1742	for (@$files) {
1076	utf8::decode $_;	1743	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1744	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1745	next unless /^$PATH_SEP/o;
1079		1746
1080	s/\.map$//;	1747	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1748	}
1083		1749
1084	\@paths	1750	\@paths
1085	}	1751	}
1086		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1088		1758
1089	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1090		1760
1091	=cut	1761	=cut
1092		1762
1093	sub ext_reply($$$%) {	1763	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1095		1765
1096	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1767	}
1100		1768
1101	package cf;	1769	=item $player->ext_msg ($type, @msg)
		1770
		1771	Sends an ext event to the client.
		1772
		1773	=cut
		1774
		1775	sub ext_msg($$@) {
		1776	my ($self, $type, @msg) = @_;
		1777
		1778	$self->ns->ext_msg ($type, @msg);
		1779	}
		1780
		1781	=head3 cf::region
		1782
		1783	=over 4
		1784
		1785	=cut
		1786
		1787	package cf::region;
		1788
		1789	=item cf::region::find_by_path $path
		1790
		1791	Tries to decuce the likely region for a map knowing only its path.
		1792
		1793	=cut
		1794
		1795	sub find_by_path($) {
		1796	my ($path) = @_;
		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
		1800	my ($match, $specificity);
		1801
		1802	for my $region (list) {
		1803	if ($region->{match} && $path =~ $region->{match}) {
		1804	($match, $specificity) = ($region, $region->specificity)
		1805	if $region->specificity > $specificity;
		1806	}
		1807	}
		1808
		1809	$match
		1810	}
1102		1811
1103	=back	1812	=back
1104
1105		1813
1106	=head3 cf::map	1814	=head3 cf::map
1107		1815
1108	=over 4	1816	=over 4
1109		1817
…		…
1121	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1123		1831
1124	sub generate_random_map {	1832	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1126	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1838	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1848	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1849	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1850	)
1140	}	1851	}
1141		1852
		1853	=item cf::map->register ($regex, $prio)
		1854
		1855	Register a handler for the map path matching the given regex at the
		1856	givne priority (higher is better, built-in handlers have priority 0, the
		1857	default).
		1858
		1859	=cut
		1860
1142	sub register {	1861	sub register {
1143	my (undef, $regex) = @_;	1862	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1863	my $pkg = caller;
1145		1864
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1866
1149	$EXT_MAP{$pkg} = qr<$regex>;	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1868	}
1151		1869
1152	# also paths starting with '/'	1870	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1872
1155	sub thawer_merge {	1873	sub thawer_merge {
1156	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1157		1875
1158	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1159	local $self->{path};	1877	local $self->{path};
1160	local $self->{load_path};	1878	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1879
1164	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1165	}	1881	}
1166		1882
1167	sub normalise {	1883	sub normalise {
1168	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
		1885
		1886	$path = "$path"; # make sure it's a string
		1887
		1888	$path =~ s/\.map$//;
1169		1889
1170	# map plan:	1890	# map plan:
1171	#	1891	#
1172	# /! non-realised random map exit (special hack!)	1892	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1893	# {... are special paths that are not being touched
…		…
1201		1921
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1922	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1923
1204	$path = normalise $path, $base;	1924	$path = normalise $path, $base;
1205		1925
1206	for my $pkg (keys %EXT_MAP) {	1926	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1927	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1928	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1929	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1211	return $self;	1931	return $self;
1212	}	1932	}
1213	}	1933	}
1214		1934
1215	Carp::carp "unable to resolve path '$path'.";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	1936	()
1217	}	1937	}
1218		1938
1219	sub init {	1939	sub init {
1220	my ($self) = @_;	1940	my ($self) = @_;
…		…
1235		1955
1236	# the original (read-only) location	1956	# the original (read-only) location
1237	sub load_path {	1957	sub load_path {
1238	my ($self) = @_;	1958	my ($self) = @_;
1239		1959
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1960	"$MAPDIR/$self->{path}.map"
1241	}	1961	}
1242		1962
1243	# the temporary/swap location	1963	# the temporary/swap location
1244	sub save_path {	1964	sub save_path {
1245	my ($self) = @_;	1965	my ($self) = @_;
1246		1966
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1968	"$TMPDIR/$path.map"
1249	}	1969	}
1250		1970
1251	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1252	sub uniq_path {	1972	sub uniq_path {
1253	my ($self) = @_;	1973	my ($self) = @_;
1254		1974
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1976	"$UNIQUEDIR/$path"
1257	}	1977	}
1258		1978
1259	# and all this just because we cannot iterate over	1979	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	1980	my ($self) = @_;
1263		1981
1264	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1266	}	1985	}
1267		1986
1268	sub unlink_save {	1987	sub unlink_save {
1269	my ($self) = @_;	1988	my ($self) = @_;
1270		1989
…		…
1275		1994
1276	sub load_header_from($) {	1995	sub load_header_from($) {
1277	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1278		1997
1279	utf8::encode $path;	1998	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1281	or return;	2000	or return;
1282		2001
1283	$self->_load_header ($path)	2002	$self->_load_header ($f)
1284	or return;	2003	or return;
1285		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
		2007
1286	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1287		2009
1288	1	2010	1
1289	}	2011	}
1290		2012
1291	sub load_orig {	2013	sub load_header_orig {
1292	my ($self) = @_;	2014	my ($self) = @_;
1293		2015
1294	$self->load_header_from ($self->load_path)	2016	$self->load_header_from ($self->load_path)
1295	}	2017	}
1296		2018
1297	sub load_temp {	2019	sub load_header_temp {
1298	my ($self) = @_;	2020	my ($self) = @_;
1299		2021
1300	$self->load_header_from ($self->save_path)	2022	$self->load_header_from ($self->save_path)
		2023	}
		2024
		2025	sub prepare_temp {
		2026	my ($self) = @_;
		2027
		2028	$self->last_access ((delete $self->{last_access})
		2029	|| $cf::RUNTIME); #d#
		2030	# safety
		2031	$self->{instantiate_time} = $cf::RUNTIME
		2032	if $self->{instantiate_time} > $cf::RUNTIME;
		2033	}
		2034
		2035	sub prepare_orig {
		2036	my ($self) = @_;
		2037
		2038	$self->{load_original} = 1;
		2039	$self->{instantiate_time} = $cf::RUNTIME;
		2040	$self->last_access ($cf::RUNTIME);
		2041	$self->instantiate;
1301	}	2042	}
1302		2043
1303	sub load_header {	2044	sub load_header {
1304	my ($self) = @_;	2045	my ($self) = @_;
1305		2046
1306	if ($self->load_temp) {	2047	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2048	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2049	} else {
1313	$self->load_orig	2050	$self->load_header_orig
1314	or return;	2051	or return;
1315		2052	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2053	}
		2054
		2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
		2057
		2058	$self->default_region (cf::region::find_by_path $self->{path})
		2059	unless $self->default_region;
1321		2060
1322	1	2061	1
1323	}	2062	}
1324		2063
1325	sub find;	2064	sub find;
1326	sub find {	2065	sub find {
1327	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1328		2067
		2068	cf::cede_to_tick;
		2069
1329	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1330		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2074
1333	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1336	or return;	2077	or return;
1337		2078
1338	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1339		2080
1340	$map->load_header	2081	$map->load_header
1341	or return;	2082	or return;
1342		2083
1343	if ($map->should_reset) {	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1344	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1345	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1346	$map->reset;	2089	$map->reset;
1347	undef $guard;
1348	$map = find $path	2090	return find $path;
1349	or return;
1350	}	2091	}
1351		2092
1352	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1353	}	2094	}
1354	}	2095	}
		2096
		2097	sub pre_load { }
		2098	#sub post_load { } # XS
1355		2099
1356	sub load {	2100	sub load {
1357	my ($self) = @_;	2101	my ($self) = @_;
1358		2102
		2103	local $self->{deny_reset} = 1; # loading can take a long time
		2104
1359	my $path = $self->{path};	2105	my $path = $self->{path};
		2106
		2107	{
1360	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1361		2109
		2110	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		2112
1364	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1365		2114
1366	$self->alloc;	2115	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	2116
		2117	$self->pre_load;
		2118	cf::cede_to_tick;
		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
		2122	$self->_load_objects ($f)
1368	or return;	2123	or return;
1369		2124
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1371	if delete $self->{load_original};	2126	if delete $self->{load_original};
1372		2127
1373	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2129	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2132	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1378	}	2136	}
1379	}	2137	}
1380		2138
1381	Coro::cede;	2139	$f->resolve_delayed_derefs;
1382		2140
		2141	cf::cede_to_tick;
1383	# now do the right thing for maps	2142	# now do the right thing for maps
1384	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2145	unless $self->difficulty;
1394	Coro::cede;	2146	cf::cede_to_tick;
		2147
		2148	unless ($self->{deny_activate}) {
		2149	$self->decay_objects;
		2150	$self->fix_auto_apply;
		2151	$self->update_buttons;
		2152	cf::cede_to_tick;
1395	$self->activate;	2153	$self->activate;
1396	}	2154	}
1397		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1399	}	2160	}
1400		2161
		2162	$self->post_load;
		2163	}
		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1401	sub customise_for {	2168	sub customise_for {
1402	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1403		2170
1404	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2172	if $self->per_player;
1406		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1407	$self	2177	$self
1408	}	2178	}
1409		2179
1410	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	2181	sub load_neighbours {
1412	my ($map) = @_;	2182	my ($map) = @_;
1413		2183
1414	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1415		2185
1416	for (0 .. 3) {	2186	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1418	or next;	2188	or next;
1419	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1420	or next;	2190	or next;
1421	$neigh->load;	2191	$neigh->load;
1422		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2197	}
1426		2198
1427	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1429	or next;	2202	or next;
1430	$neigh->load;	2203	$neigh->load;
1431	}	2204	}
1432	}	2205	}
1433		2206
1434	sub find_sync {	2207	sub find_sync {
1435	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1436		2209
1437	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1438	}	2214	}
1439		2215
1440	sub do_load_sync {	2216	sub do_load_sync {
1441	my ($map) = @_;	2217	my ($map) = @_;
1442		2218
1443	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1444	}	2223	}
1445		2224
1446	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1448		2227
1449	sub find_async {	2228	sub find_async {
1450	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1451		2230
1452	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1453		2232
1454	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1455	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1456	}	2235	}
1457		2236
1458	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1459	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1460	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1461	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1462	my $map = find $path	2244	if (my $map = find $k) {
1463	or next;
1464	$map->load;	2245	$map->load if $v;
		2246	}
1465		2247
1466	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1467	}	2249	}
1468	}	2250	}
1469	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1470	};	2252	};
		2253	$MAP_PREFETCHER->prio (6);
1471		2254
1472	()	2255	()
1473	}	2256	}
1474		2257
		2258	# common code, used by both ->save and ->swapout
1475	sub save {	2259	sub _save {
1476	my ($self) = @_;	2260	my ($self) = @_;
1477
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
1479		2261
1480	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1481		2263
1482	return unless $self->dirty;	2264	return unless $self->dirty;
1483		2265
…		…
1489	return if $self->{deny_save};	2271	return if $self->{deny_save};
1490		2272
1491	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1492		2274
1493	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1495	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1496		2281
1497	if ($uniq) {	2282	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1500	} else {	2285	} else {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1502	}	2287	}
1503	}	2288	}
1504		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1505	sub swap_out {	2298	sub swap_out {
1506	my ($self) = @_;	2299	my ($self) = @_;
1507		2300
1508	# save first because save cedes
1509	$self->save;
1510
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1513	return if $self->players;	2305	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};
1516		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1517	$self->clear;	2316	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2317	}
1520		2318
1521	sub reset_at {	2319	sub reset_at {
1522	my ($self) = @_;	2320	my ($self) = @_;
1523		2321
1524	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1527		2324
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2327
…		…
1541	my ($self) = @_;	2338	my ($self) = @_;
1542		2339
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2341
1545	return if $self->players;	2342	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2343
1548	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
		2345
		2346	$self->in_memory (cf::MAP_SWAPPED);
		2347
		2348	# need to save uniques path
		2349	unless ($self->{deny_save}) {
		2350	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2351
		2352	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2353	if $uniq;
		2354	}
1549		2355
1550	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1551		2357
1552	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2360	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2361
1557	$self->unlink_save;	2362	$self->unlink_save;
1558	$self->destroy;	2363	$self->destroy;
1559	}	2364	}
1560		2365
1561	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1562		2367
1563	sub nuke {	2368	sub nuke {
1564	my ($self) = @_;	2369	my ($self) = @_;
1565		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1566	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1567		2375
1568	$self->unlink_save;	2376	$self->unlink_save;
1569		2377
1570	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1571	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2383
1576	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1577		2386
1578	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
		2388	}
		2389
		2390	=item $maps = cf::map::tmp_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
1579	}	2424	}
1580		2425
1581	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1582		2427
1583	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2429	instantiated unique items. May block.
1585		2430
1586	=cut	2431	=cut
1587		2432
1588	sub unique_maps() {	2433	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2434	[
1590	or return;	2435	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2436	utf8::decode $_;
1596	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1597	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2439	? ()
		2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
		2442	]
		2443	}
1598		2444
		2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
1599	s/\.map$//;	2466	s/\.map$// or next;
1600	push @paths, $_;	2467	utf8::decode $_;
1601	}	2468	push @maps, "$dir/$_";
		2469	}
1602		2470
1603	\@paths	2471	push @dirs, map "$dir/$_", @$dirs;
1604	}	2472	}
1605		2473
1606	package cf;	2474	\@maps
		2475	}
1607		2476
1608	=back	2477	=back
1609		2478
1610	=head3 cf::object	2479	=head3 cf::object
1611		2480
…		…
1615		2484
1616	=over 4	2485	=over 4
1617		2486
1618	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1619		2488
1620	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1621		2491
1622	=cut	2492	=cut
1623		2493
1624	sub inv_recursive_;	2494	sub inv_recursive_;
1625	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1628		2498
1629	sub inv_recursive {	2499	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1631	}	2501	}
1632		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1633	package cf;	2531	package cf;
1634		2532
1635	=back	2533	=back
1636		2534
1637	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1644	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
1645	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1646		2544
1647	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1648		2560
1649	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1650	# with dialog boxes.	2562	# with dialog boxes.
1651	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1652	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1654		2566
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2568
1657	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1659	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1662	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1663	}	2594	}
1664		2595
1665	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1666		2597
1667	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1680		2611
1681	=item $player_object->enter_link	2612	=item $player_object->enter_link
1682		2613
1683	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1684		2615
1685	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
1686	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1687		2620
1688	Will never block.	2621	Will never block.
1689		2622
1690	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1691		2624
…		…
1699	=cut	2632	=cut
1700		2633
1701	sub link_map {	2634	sub link_map {
1702	unless ($LINK_MAP) {	2635	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2636	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2637	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2638	$LINK_MAP->load;
1706	}	2639	}
1707		2640
1708	$LINK_MAP	2641	$LINK_MAP
1709	}	2642	}
…		…
1711	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1712	my ($self) = @_;	2645	my ($self) = @_;
1713		2646
1714	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1715		2648
		2649	++$self->{_link_recursion};
		2650
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2652
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1720		2655
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1722	}	2657	}
1723		2658
1724	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1726		2663
1727	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1728		2665
1729	unless ($map) {	2666	unless ($map) {
1730	# restore original map position	2667	# restore original map position
…		…
1741	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1742	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1743		2680
1744	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1747		2684
1748	$map->load;	2685	$map->load;
1749	$map->load_diag;	2686	$map->load_neighbours;
1750		2687
1751	return unless $self->contr->active;	2688	return unless $self->contr->active;
		2689
		2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2691	if ($self->enter_map ($map, $x, $y)) {
		2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
1752	$self->activate_recursive;	2695	$self->activate_recursive;
1753	$self->enter_map ($map, $x, $y);
1754	}
1755
1756	cf::player->attach (
1757	on_logout => sub {
1758	my ($pl) = @_;
1759
1760	# abort map switching before logout
1761	if ($pl->ob->{_link_pos}) {
1762	cf::sync_job {
1763	$pl->ob->leave_link
1764	};
1765	}
1766	},	2696	}
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2697
1770	# try to abort aborted map switching on player login :)	2698	}
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787		2699
1788	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1789		2701
		2702	Moves the player to the given map-path and coordinates by first freezing
		2703	her, loading and preparing them map, calling the provided $check callback
		2704	that has to return the map if sucecssful, and then unfreezes the player on
		2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
1790	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1791		2714
1792	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
		2724	# do generation counting so two concurrent goto's will be executed in-order
		2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2726
1795	$self->enter_link;	2727	$self->enter_link;
1796		2728
1797	(async {	2729	(async {
1798	my $map = cf::map::find $path;	2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
		2751	my $map = eval {
		2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
1800		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2757	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
1805		2760
		2761	$map
		2762	};
		2763
		2764	if ($@) {
		2765	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2766	LOG llevError | logBacktrace, Carp::longmess $@;
		2767	}
		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1807	})->prio (1);	2775	})->prio (1);
1808	}	2776	}
1809		2777
1810	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1811		2779
…		…
1831	}	2799	}
1832		2800
1833	sub prepare_random_map {	2801	sub prepare_random_map {
1834	my ($exit) = @_;	2802	my ($exit) = @_;
1835		2803
1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1837
1838	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
1839	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
1840	# that depends on the exit object	2806	# that depends on the exit object
1841		2807
1842	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
1843		2809
1844	if ($exit->map) {	2810	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2811	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
1849	}	2817	}
1850		2818
1851	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
1852		2820
1853	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1854	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
1856		2824
1857	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
1859	undef $fh;	2827	undef $fh;
1860	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
1861		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
1862	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
1863	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
1864	}	2836	}
1865	}	2837	}
1866		2838
1867	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
1868	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
…		…
1870	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
1871		2843
1872	$self->enter_link;	2844	$self->enter_link;
1873		2845
1874	(async {	2846	(async {
1875	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
1876	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
1877	prepare_random_map $exit	2856	prepare_random_map $exit
1878	if $exit->slaying eq "/!";	2857	if $exit->slaying eq "/!";
		2858	}
1879		2859
1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
1882		2863
		2864	$self->goto ($map, $x, $y);
		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
1883	1;	2870	1
1884	}) {	2871	}) {
1885	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
1886	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
1887	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
1888	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
1889		2876
1890	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
1891	$self->leave_link;	2878	$self->leave_link;
1892	}	2879	}
1893	})->prio (1);	2880	})->prio (1);
1894	}	2881	}
1895		2882
…		…
1906		2893
1907	sub cf::client::send_drawinfo {	2894	sub cf::client::send_drawinfo {
1908	my ($self, $text, $flags) = @_;	2895	my ($self, $text, $flags) = @_;
1909		2896
1910	utf8::encode $text;	2897	utf8::encode $text;
1911	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1912	}	2899	}
1913		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
		3088	=item $client->ext_msg ($type, @msg)
		3089
		3090	Sends an ext event to the client.
		3091
		3092	=cut
		3093
		3094	sub cf::client::ext_msg($$@) {
		3095	my ($self, $type, @msg) = @_;
		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
		3100	push @msg, msgtype => "event_$type";
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
		3121	}
1914		3122
1915	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
1916		3124
1917	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
1918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1920		3128
1921	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
1922	reliable at some point in the future.	3130	become reliable at some point in the future.
1923		3131
1924	=cut	3132	=cut
1925		3133
1926	sub cf::client::query {	3134	sub cf::client::query {
1927	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
1935	utf8::encode $text;	3143	utf8::encode $text;
1936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1937		3145
1938	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
1939	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
1940	}	3150	}
1941		3151
1942	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
1943	on_reply => sub {	3158	on_reply => sub {
1944	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
1945		3160
1946	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
1947	# get handled first	3162	# get handled first
1948	my $queue = delete $ns->{query_queue}	3163	my $queue = delete $ns->{query_queue}
1949	or return; # be conservative, not sure how that can happen, but we saw a crash here	3164	or return; # be conservative, not sure how that can happen, but we saw a crash here
1950		3165
1951	(shift @$queue)->[1]->($msg);	3166	(shift @$queue)->[1]->($msg);
		3167	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1952		3168
1953	push @{ $ns->{query_queue} }, @$queue;	3169	push @{ $ns->{query_queue} }, @$queue;
1954		3170
1955	if (@{ $ns->{query_queue} } == @$queue) {	3171	if (@{ $ns->{query_queue} } == @$queue) {
1956	if (@$queue) {	3172	if (@$queue) {
…		…
1958	} else {	3174	} else {
1959	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1960	}	3176	}
1961	}	3177	}
1962	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
1963	);	3205	);
1964		3206
1965	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
1966		3208
1967	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
1983		3225
1984	$coro	3226	$coro
1985	}	3227	}
1986		3228
1987	cf::client->attach (	3229	cf::client->attach (
1988	on_destroy => sub {	3230	on_client_destroy => sub {
1989	my ($ns) = @_;	3231	my ($ns) = @_;
1990		3232
1991	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1992	},	3234	},
1993	);	3235	);
…		…
2008	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2009	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2010		3252
2011	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2012		3254
2013	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2014		3260
2015	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2016		3262
2017	=pod	3263	=pod
2018		3264
2019	The following fucntions and emthods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2020		3266
2021	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2022	cf::object::player player	3272	cf::object::player
2023	cf::player peaceful	3273	player
2024	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2025		3280
2026	=cut	3281	=cut
2027		3282
2028	for (	3283	for (
2029	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2030	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2031	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2032	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2033	) {	3290	) {
2034	no strict 'refs';
2035	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2036	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2037	for @funs;	3293	for @funs;
2038	}	3294	}
2039		3295
…		…
2054		3310
2055	my $qcode = $code;	3311	my $qcode = $code;
2056	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2057	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2058		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2059	local $_;	3318	local $_;
2060	local @safe::cf::_safe_eval_args = values %vars;
2061		3319
2062	my $eval =	3320	my $eval =
2063	"do {\n"	3321	"do {\n"
2064	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2065	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2066	. $code	3324	. $code
2067	. "\n}"	3325	. "\n}"
2068	;	3326	;
2069		3327
		3328	if ($CFG{safe_eval}) {
2070	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2071	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2072	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2073		3337
2074	if ($@) {	3338	if ($@) {
2075	warn "$@";	3339	warn "$@",
2076	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2077	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2078	}	3342	}
2079		3343
2080	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2081	}	3345	}
2082		3346
…		…
2096	=cut	3360	=cut
2097		3361
2098	sub register_script_function {	3362	sub register_script_function {
2099	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2100		3364
2101	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2102	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2103	}	3367	}
2104		3368
2105	=back	3369	=back
2106		3370
2107	=cut	3371	=cut
2108		3372
2109	#############################################################################	3373	#############################################################################
		3374	# the server's init and main functions
2110		3375
2111	=head2 EXTENSION DATABASE SUPPORT	3376	sub load_facedata($) {
		3377	my ($path) = @_;
2112		3378
2113	Crossfire maintains a very simple database for extension use. It can	3379	# HACK to clear player env face cache, we need some signal framework
2114	currently store anything that can be serialised using Storable, which	3380	# for this (global event?)
2115	excludes objects.	3381	%ext::player_env::MUSIC_FACE_CACHE = ();
2116		3382
2117	The parameter C<$family> should best start with the name of the extension	3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2118	using it, it should be unique.
2119		3384
2120	=over 4	3385	trace "loading facedata from $path\n";
2121		3386
2122	=item $hashref = cf::db_get $family	3387	0 < aio_load $path, my $facedata
		3388	or die "$path: $!";
2123		3389
2124	Return a hashref for use by the extension C<$family>, which can be	3390	$facedata = Coro::Storable::thaw $facedata;
2125	modified. After modifications, you have to call C<cf::db_dirty> or
2126	C<cf::db_sync>.
2127		3391
2128	=item $value = cf::db_get $family => $key	3392	$facedata->{version} == 2
		3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2129		3394
2130	Returns a single value from the database	3395	# patch in the exptable
2131		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2132	=item cf::db_put $family => $hashref	3397	$facedata->{resource}{"res/exp_table"} = {
2133		3398	type => FT_RSRC,
2134	Stores the given family hashref into the database. Updates are delayed, if	3399	data => $exp_table,
2135	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3400	hash => (Digest::MD5::md5 $exp_table),
2136
2137	=item cf::db_put $family => $key => $value
2138
2139	Stores the given C<$value> in the family hash. Updates are delayed, if you
2140	want the data to be synced to disk immediately, use C<cf::db_sync>.
2141
2142	=item cf::db_dirty
2143
2144	Marks the database as dirty, to be updated at a later time.
2145
2146	=item cf::db_sync
2147
2148	Immediately write the database to disk I<if it is dirty>.
2149
2150	=cut
2151
2152	our $DB;
2153
2154	{
2155	my $path = cf::localdir . "/database.pst";
2156
2157	sub db_load() {
2158	$DB = stat $path ? Storable::retrieve $path : { };
2159	}
2160
2161	my $pid;
2162
2163	sub db_save() {
2164	waitpid $pid, 0 if $pid;
2165	if (0 == ($pid = fork)) {
2166	$DB->{_meta}{version} = 1;
2167	Storable::nstore $DB, "$path~";
2168	rename "$path~", $path;
2169	cf::_exit 0 if defined $pid;
2170	}
2171	}
2172
2173	my $dirty;
2174
2175	sub db_sync() {
2176	db_save if $dirty;
2177	undef $dirty;
2178	}
2179
2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2181	db_sync;
2182	});	3401	};
		3402	cf::cede_to_tick;
2183		3403
2184	sub db_dirty() {
2185	$dirty = 1;
2186	$idle->start;
2187	}	3404	{
		3405	my $faces = $facedata->{faceinfo};
2188		3406
2189	sub db_get($;$) {	3407	while (my ($face, $info) = each %$faces) {
2190	@_ >= 2	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2191	? $DB->{$_[0]}{$_[1]}
2192	: ($DB->{$_[0]} ||= { })
2193	}
2194		3409
2195	sub db_put($$;$) {	3410	cf::face::set_visibility $idx, $info->{visibility};
2196	if (@_ >= 3) {	3411	cf::face::set_magicmap $idx, $info->{magicmap};
2197	$DB->{$_[0]}{$_[1]} = $_[2];	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2198	} else {	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2199	$DB->{$_[0]} = $_[1];
2200	}
2201	db_dirty;
2202	}
2203		3414
2204	cf::global->attach (	3415	cf::cede_to_tick;
2205	prio => 10000,
2206	on_cleanup => sub {
2207	db_sync;
2208	},	3416	}
2209	);
2210	}
2211		3417
2212	#############################################################################	3418	while (my ($face, $info) = each %$faces) {
2213	# the server's main()	3419	next unless $info->{smooth};
2214		3420
2215	sub cfg_load {	3421	my $idx = cf::face::find $face
2216	open my $fh, "<:utf8", cf::confdir . "/config"	3422	or next;
2217	or return;
2218		3423
2219	local $/;	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
		3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3427	} else {
		3428	error "smooth face '$info->{smooth}' not found for face '$face'";
		3429	}
		3430
		3431	cf::cede_to_tick;
		3432	}
		3433	}
		3434
		3435	{
		3436	my $anims = $facedata->{animinfo};
		3437
		3438	while (my ($anim, $info) = each %$anims) {
		3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3440	cf::cede_to_tick;
		3441	}
		3442
		3443	cf::anim::invalidate_all; # d'oh
		3444	}
		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
		3465	1
		3466	}
		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
		3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
		3491	load_resource_file "$MAPDIR/regions"
		3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
		3498	}
		3499
		3500	sub reload_facedata {
		3501	load_facedata "$DATADIR/facedata"
		3502	or die "unable to load facedata\n";
		3503	}
		3504
		3505	sub reload_archetypes {
		3506	load_resource_file "$DATADIR/archetypes"
		3507	or die "unable to load archetypes\n";
		3508	}
		3509
		3510	sub reload_treasures {
		3511	load_resource_file "$DATADIR/treasures"
		3512	or die "unable to load treasurelists\n";
		3513	}
		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
		3538	sub reload_resources {
		3539	trace "reloading resource files...\n";
		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
		3546	reload_regions;
		3547	reload_treasures;
		3548
		3549	trace "finished reloading resource files\n";
		3550	}
		3551
		3552	sub reload_config {
		3553	trace "reloading config file...\n";
		3554
		3555	0 < aio_load "$CONFDIR/config", my $config
		3556	or die "$CONFDIR/config: $!";
		3557
		3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2220	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2221		3562
2222	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2223		3564
2224	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2225	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2226		3567
2227	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2231	};	3572	};
2232	warn $@ if $@;	3573	warn $@ if $@;
2233	}	3574	}
2234	}	3575	}
2235		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2236	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2237	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2238	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2239	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2240	(async {	3618	(async {
2241	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2242	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2243	};	3622	};
2244		3623
2245	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
2246	db_load;	3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
		3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2247	load_extensions;	3647	load_extensions;
2248		3648
2249	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2250	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2251	}	3667	}
2252		3668
2253	#############################################################################	3669	#############################################################################
2254	# initialisation and cleanup	3670	# initialisation and cleanup
2255		3671
2256	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2257	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2258	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2259	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2260	data => WF_AUTOCANCEL,
2261	signal => $signal,
2262	cb => sub {
2263	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2264	},
2265	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2266	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2267	}	3768	}
2268		3769
2269	sub emergency_save() {	3770	sub emergency_save() {
2270	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2271		3772
2272	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2273		3779
2274	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2275	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2276	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2277	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2278	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2279	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2280	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2281	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2282	$pl->save;	3791	$pl->save;
2283	}	3792	}
2284	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2285		3794
2286	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2287	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2288	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2289	$map->valid or next;	3800	$map->valid or next;
2290	$map->save;	3801	$map->save;
2291	}	3802	}
2292	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
		3804
		3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
		3808	BDB::db_env_txn_checkpoint $DB_ENV;
		3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2293	};	3833	};
2294		3834
2295	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2296	}	3836	}
2297		3837
		3838	sub post_cleanup {
		3839	my ($make_core) = @_;
		3840
		3841	IO::AIO::flush;
		3842
		3843	error Carp::longmess "post_cleanup backtrace"
		3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
		3873	}
		3874
2298	sub reload() {	3875	sub do_reload_perl() {
2299	# can/must only be called in main	3876	# can/must only be called in main
2300	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2301	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2302	return;	3879	return;
2303	}	3880	}
2304		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2305	warn "reloading...";	3888	info "reloading...";
2306		3889
2307	warn "cancelling server ticker";	3890	trace "entering sync_job";
2308	$TICK_WATCHER->cancel;
2309		3891
		3892	cf::sync_job {
2310	cf::emergency_save;	3893	#cf::emergency_save;
2311		3894
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved
2314
2315	warn "syncing database to disk";
2316	cf::db_sync;
2317
2318	warn "cancelling all WF_AUTOCANCEL watchers";
2319	for (Event::all_watchers) {
2320	$_->cancel if $_->data & WF_AUTOCANCEL;
2321	}
2322
2323	warn "flushing outstanding aio requests";
2324	for (;;) {
2325	IO::AIO::flush;
2326	Coro::cede;
2327	last unless IO::AIO::nreqs;
2328	warn "iterate...";
2329	}
2330
2331	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3897	%EXT_CORO = ();
2334		3898
2335	warn "removing commands";	3899	trace "removing commands";
2336	%COMMAND = ();	3900	%COMMAND = ();
2337		3901
2338	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2339	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2340		3905
2341	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2344		3909
2345	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3911	eval {
2347	$cb->($pkg);	3912	$cb->($pkg);
2348	1	3913	1
2349	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2350	}	3919	}
2351		3920
2352	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;
2354	}
2355
2356	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3924
2360	warn "... unloading $k";	3925	trace "... unloading $k";
2361	delete $INC{$k};	3926	delete $INC{$k};
2362		3927
2363	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2365		3930
2366	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2367	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2368	}	3936	}
2369		3937
2370	Symbol::delete_package $k;
2371	}
2372
2373	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3941
2377	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
		3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2379		3945
2380	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3947	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2383		3949
2384	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2385		3951
2386	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2387	require cf;	3953	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2389		3955
2390	warn "loading config and database again";	3956	trace "loading config and database again";
2391	cf::cfg_load;	3957	cf::reload_config;
2392	cf::db_load;
2393		3958
2394	warn "loading extensions";	3959	trace "loading extensions";
2395	cf::load_extensions;	3960	cf::load_extensions;
2396		3961
		3962	if ($REATTACH_ON_RELOAD) {
2397	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2398	_global_reattach;	3964	_global_reattach; # objects, sockets
2399	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
		3967	trace "reattaching attachments to players";
		3968	reattach $_ for values %PLAYER;
		3969	}
2401		3970
2402	warn "restarting server ticker";	3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
2403		3973
2404	$TICK_WATCHER->start;	3974	trace "leaving sync_job";
		3975
		3976	1
		3977	} or do {
		3978	error $@;
		3979	cf::cleanup "error while reloading, exiting.";
		3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
		3984	}
		3985
		3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
		3988	};
		3989
		3990	our $RELOAD_WATCHER; # used only during reload
		3991
		3992	sub reload_perl() {
		3993	# doing reload synchronously and two reloads happen back-to-back,
		3994	# coro crashes during coro_state_free->destroy here.
		3995
		3996	$RELOAD_WATCHER ||= cf::async {
		3997	Coro::AIO::aio_wait cache_extensions;
		3998
		3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4000	do_reload_perl;
		4001	undef $RELOAD_WATCHER;
		4002	};
2405	};	4003	};
2406		4004	}
2407	if ($@) {
2408	warn $@;
2409	warn "error while reloading, exiting.";
2410	exit 1;
2411	}
2412
2413	warn "reloaded";
2414	};
2415
2416	our $RELOAD_WATCHER; # used only during reload
2417		4005
2418	register_command "reload" => sub {	4006	register_command "reload" => sub {
2419	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2420		4008
2421	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2422	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
2423		4011	async {
2424	# doing reload synchronously and two reloads happen back-to-back,	4012	$Coro::current->{desc} = "perl_reload";
2425	# coro crashes during coro_state_free->destroy here.
2426
2427	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2428	reload;	4013	reload_perl;
2429	undef $RELOAD_WATCHER;
2430	});	4014	};
2431	}	4015	}
2432	};	4016	};
2433		4017
2434	unshift @INC, $LIBDIR;	4018	#############################################################################
2435		4019
2436	my $bug_warning = 0;	4020	my $bug_warning = 0;
2437		4021
2438	$TICK_WATCHER = Event->timer (	4022	our @WAIT_FOR_TICK;
2439	reentrant => 0,	4023	our @WAIT_FOR_TICK_BEGIN;
2440	parked => 1,	4024
2441	prio => 0,	4025	sub wait_for_tick() {
2442	at => $NEXT_TICK || $TICK,	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2443	data => WF_AUTOCANCEL,	4027
2444	cb => sub {	4028	my $signal = new Coro::Signal;
		4029	push @WAIT_FOR_TICK, $signal;
		4030	$signal->wait;
		4031	}
		4032
		4033	sub wait_for_tick_begin() {
		4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4035
		4036	my $signal = new Coro::Signal;
		4037	push @WAIT_FOR_TICK_BEGIN, $signal;
		4038	$signal->wait;
		4039	}
		4040
		4041	sub tick {
2445	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2447	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2448	return;	4045	return;
2449	}	4046	}
2450		4047
2451	$NOW = Event::time;
2452
2453	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2454	$RUNTIME += $TICK;
2455	$NEXT_TICK += $TICK;
2456		4049
2457	$WAIT_FOR_TICK->broadcast;	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2459		4051
2460	# if we are delayed by four ticks or more, skip them all	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2462		4054	Coro::async_pool {
2463	$TICK_WATCHER->at ($NEXT_TICK);	4055	$Coro::current->{desc} = "runtime saver";
2464	$TICK_WATCHER->start;	4056	write_runtime_sync
		4057	or error "ERROR: unable to write runtime file: $!";
		4058	};
2465	},	4059	}
2466	);
2467		4060
		4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4062	$sig->send;
		4063	}
		4064	while (my $sig = shift @WAIT_FOR_TICK) {
		4065	$sig->send;
		4066	}
		4067
		4068	$LOAD = ($NOW - $TICK_START) / $TICK;
		4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4070
		4071	if (0) {
		4072	if ($NEXT_TICK) {
		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
		4077	}
		4078	}
		4079
		4080	{
		4081	# configure BDB
		4082
		4083	BDB::min_parallel 16;
		4084	BDB::max_poll_reqs $TICK * 0.1;
		4085	$AnyEvent::BDB::WATCHER->priority (1);
		4086
		4087	unless ($DB_ENV) {
		4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4094
		4095	cf::sync_job {
		4096	eval {
		4097	BDB::db_env_open
		4098	$DB_ENV,
		4099	$BDBDIR,
		4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4102	0666;
		4103
		4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4105	};
		4106
		4107	cf::cleanup "db_env_open(db): $@" if $@;
		4108	};
		4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
		4120	}
		4121
		4122	{
		4123	# configure IO::AIO
		4124
		4125	IO::AIO::min_parallel 8;
2468	IO::AIO::max_poll_time $TICK * 0.2;	4126	IO::AIO::max_poll_time $TICK * 0.1;
		4127	undef $AnyEvent::AIO::WATCHER;
		4128	}
2469		4129
2470	$AIO_POLL_WATCHER = Event->io (	4130	my $_log_backtrace;
2471	fd => IO::AIO::poll_fileno,
2472	poll => 'r',
2473	prio => 5,
2474	data => WF_AUTOCANCEL,
2475	cb => \&IO::AIO::poll_cb,
2476	);
2477		4131
2478	$WRITE_RUNTIME_WATCHER = Event->timer (	4132	sub _log_backtrace {
2479	data => WF_AUTOCANCEL,	4133	my ($msg, @addr) = @_;
2480	after => 1,	4134
2481	interval => 10,	4135	$msg =~ s/\n//;
2482	cb => Coro::unblock_sub {	4136
2483	write_runtime	4137	# limit the # of concurrent backtraces
2484	or warn "ERROR: unable to write runtime file: $!";	4138	if ($_log_backtrace < 2) {
		4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
		4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
		4144	my @bt = fork_call {
		4145	@addr = map { sprintf "%x", $_ } @addr;
		4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4148	or die "addr2line: $!";
		4149
		4150	my @funcs;
		4151	my @res = <$fh>;
		4152	chomp for @res;
		4153	while (@res) {
		4154	my ($func, $line) = splice @res, 0, 2, ();
		4155	push @funcs, "[$func] $line";
		4156	}
		4157
		4158	@funcs
		4159	};
		4160
		4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4163	LOG llevInfo, "[ABT] $_\n" for @bt;
		4164	--$_log_backtrace;
		4165	};
		4166	} else {
		4167	LOG llevInfo, "[ABT] $msg\n";
		4168	LOG llevInfo, "[ABT] [suppressed]\n";
2485	},	4169	}
2486	);	4170	}
		4171
		4172	# load additional modules
		4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2487		4175
2488	END { cf::emergency_save }	4176	END { cf::emergency_save }
2489		4177
2490	1	4178	1
2491		4179

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