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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 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 3.5 ();	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 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	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
113	every server tick.	201	every server tick.
114		202
115	=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
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	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
136	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
137	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.
138	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.
139		257
140	=back	258	=back
141		259
142	=cut	260	=cut
143		261
144	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	269	my $msg = join "", @_;
147	utf8::encode $msg;
148		270
149	$msg .= "\n"	271	$msg .= "\n"
150	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
151		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
152	LOG llevError, $msg;	276	LOG llevWarn, $msg;
153	};	277	};
154	}	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	};
155		292
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		300
163	# 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
164	# within the Safe compartment.	302	# within the Safe compartment.
165	for my $pkg (qw(	303	for my $pkg (qw(
166	cf::global cf::attachable	304	cf::global cf::attachable
167	cf::object cf::object::player	305	cf::object cf::object::player
168	cf::client cf::player	306	cf::client cf::player
169	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
170	cf::map cf::party cf::region	309	cf::party cf::region
171	)) {	310	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	312	}
175		313
176	$Event::DIED = sub {	314	$EV::DIED = sub {
177	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
178	};	316	};
		317
		318	#############################################################################
179		319
180	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
181		321
182	=over 4	322	=over 4
183		323
…		…
202	$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;
203	$d	343	$d
204	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
205	}	345	}
206		346
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
210		348
211	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
212		350
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
221		352
222	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
223		354
224	=cut	355	=cut
225		356
226	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
228	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;
229	}	374	}
230		375
231	=item cf::lock_wait $string	376	=item cf::lock_wait $string
232		377
233	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
234		379
235	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
236		381
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
240	returned.	385	returned.
241		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
242	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
243	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
244		392
245	=cut	393	=item $locked = cf::lock_active $string
246		394
247	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
248		400
249	sub lock_wait($) {	401	sub lock_wait($) {
250	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	403	}
258		404
259	sub lock_acquire($) {	405	sub lock_acquire($) {
260	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
261		408
262	# wait, to be sure we are not locked	409	sub lock_active($) {
263	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	411	}
272		412
273	sub freeze_mainloop {	413	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
275		415
276	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	417	}
		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($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
278	};	483	}
279	$TICK_WATCHER->stop;	484	};
280	$guard	485
		486	sub get_slot($;$$) {
		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	$sig->wait;
281	}	499	}
282		500
283	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
284		502
285	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		508
291	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
292		510
293	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
294		512
295	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
298		517
299	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
302	fast or be very important.	521	fast or be very important.
…		…
304	=cut	523	=cut
305		524
306	sub sync_job(&) {	525	sub sync_job(&) {
307	my ($job) = @_;	526	my ($job) = @_;
308		527
309	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
310	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
312		533
313	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	535
315	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
316		537
317	my $busy = 1;	538	my $busy = 1;
318	my @res;	539	my @res;
319		540
320	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	543	@res = eval { $job->() };
322	warn $@ if $@;	544	error $@ if $@;
323	undef $busy;	545	undef $busy;
324	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
325		547
326	while ($busy) {	548	while ($busy) {
327	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
328	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
329		559
330	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
331	} else {	561	} else {
332	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
333		563
…		…
353	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
354		584
355	$coro	585	$coro
356	}	586	}
357		587
358	sub write_runtime {	588	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		589
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	Executes the given code block with the given arguments in a seperate
362	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.
363		594
364	my $value = $cf::RUNTIME + 90 + 10;	595	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		596
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	597	sub post_fork {
369	and return;	598	reset_signals;
		599	}
370		600
371	# always fsync - this file is important	601	sub fork_call(&@) {
372	aio_fsync $fh	602	my ($cb, @args) = @_;
373	and return;
374		603
375	close $fh	604	# we seemingly have to make a local copy of the whole thing,
376	or return;	605	# otherwise perl prematurely frees the stuff :/
		606	# TODO: investigate and fix (likely this will be rather laborious)
377		607
378	aio_rename "$runtime~", $runtime	608	my @res = Coro::Util::fork_eval {
379	and return;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
380		612
		613	wantarray ? @res : $res[-1]
		614	}
		615
		616	sub objinfo {
381	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 });
382	}	792	}
383		793
384	=back	794	=back
385		795
386	=cut	796	=cut
387		797
388	#############################################################################	798	#############################################################################
389		799
390	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
391		801
392	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
393	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")
394	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
395		805
396	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>
397	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
398	crossfire+).	808	Deliantra).
399		809
400	=over 4	810	=over 4
401		811
402	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
403		813
…		…
447	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
448		858
449	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
451		861
452	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		864
455	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
456		866
457	=over 4	867	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
567		977
568	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		982
573	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	984	my $pkg = shift @arg;
575		985
576	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
581		991
582	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		994
585	} elsif (ref $type) {	995	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
587		997
588	} else {	998	} else {
589	shift @arg;	999	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
591	}	1001	}
592	}	1002	}
593	}	1003	}
594		1004
595	sub _object_attach {	1005	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
606	}	1016	}
607		1017
608	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
609	} else {	1019	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1021	}
612		1022
613	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
614	}	1024	}
615		1025
…		…
617	if (ref $_[0]) {	1027	if (ref $_[0]) {
618	_object_attach @_;	1028	_object_attach @_;
619	} else {	1029	} else {
620	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
621	}	1031	}
		1032	_recalc_want;
622	};	1033	};
623		1034
624	# all those should be optimised	1035	# all those should be optimised
625	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1041	reattach ($obj);
631	} else {	1042	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
633	}	1044	}
		1045	_recalc_want;
634	};	1046	};
635		1047
636	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
638		1050
…		…
653	";	1065	";
654	die if $@;	1066	die if $@;
655	}	1067	}
656		1068
657	our $override;	1069	our $override;
658	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?
659		1071
660	sub override {	1072	sub override {
661	$override = 1;	1073	$override = 1;
662	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
663	}	1075	}
664		1076
665	sub do_invoke {	1077	sub do_invoke {
666	my $event = shift;	1078	my $event = shift;
667	my $callbacks = shift;	1079	my $callbacks = shift;
668		1080
669	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
670		1082
671	local $override;	1083	local $override;
672		1084
673	for (@$callbacks) {	1085	for (@$callbacks) {
674	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
675		1087
676	if ($@) {	1088	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1090	override;
680	}	1091	}
681		1092
682	return 1 if $override;	1093	return 1 if $override;
683	}	1094	}
684		1095
685	0	1096	0
686	}	1097	}
687		1098
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1100
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1102
692	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
693		1104
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1108
698	=back	1109	=back
699		1110
700	=cut	1111	=cut
701		1112
702	#############################################################################	1113	#############################################################################
703	# 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, $ob2
		1156	}
704		1157
705	sub reattach {	1158	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1160	my ($obj) = @_;
708		1161
		1162	# no longer needed after getting rid of delete_package?
709	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
710		1164
711	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
712		1166
713	@$registry = ();	1167	@$registry = ();
714		1168
…		…
719	for (@$attach) {	1173	for (@$attach) {
720	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
722	}	1176	}
723	} else {	1177	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1179	}
726	}	1180	}
727	}	1181	}
728		1182
729	cf::attachable->attach (	1183	cf::attachable->attach (
730	prio => -1000000,	1184	prio => -1000000,
731	on_instantiate => sub {	1185	on_instantiate => sub {
732	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
733		1187
734	$data = from_json $data;	1188	$data = decode_json $data;
735		1189
736	for (@$data) {	1190	for (@$data) {
737	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
738		1192
739	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1209	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
757		1211
758	sync_job {	1212	sync_job {
759	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
762		1218
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($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;
		1224	aio_fsync $fh;
		1225	}
767	close $fh;	1226	aio_close $fh;
768		1227
769	if (@$objs) {	1228	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($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;
		1235	aio_fsync $fh;
		1236	}
775	close $fh;	1237	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
777	}	1239	}
778	} else {	1240	} else {
779	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
780	}	1242	}
781		1243
782	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1248	} else {
784	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
785	}	1250	}
786	} else {	1251	} else {
787	aio_unlink $filename;	1252	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
789	}	1254	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1255	};
797	}	1256	}
798		1257
799	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
801		1260
…		…
806		1265
807	sub object_thawer_load {	1266	sub object_thawer_load {
808	my ($filename) = @_;	1267	my ($filename) = @_;
809		1268
810	my ($data, $av);	1269	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1270
815	(aio_load $filename, $data) >= 0	1271	(aio_load $filename, $data) >= 0
816	or return;	1272	or return;
817		1273
818	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
820	or return;	1276	or return;
		1277
821	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
822	}	1280	}
823		1281
		1282	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
826	return ($data, $av);	1287	($data, $av)
827	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
828		1295
829	#############################################################################	1296	#############################################################################
830	# command handling &c	1297	# command handling &c
831		1298
832	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1313	}
847		1314
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1316
850	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.
851		1322
852	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
853	called.	1324	called.
854		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
855	=cut	1337	=cut
856		1338
857	sub register_extcmd {	1339	sub register_extcmd {
858	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
859		1341
860	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
861	}	1343	}
862		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
863	cf::player->attach (	1353	cf::player->attach (
864	on_command => sub {	1354	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
866		1356
867	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
868	or return;	1358	or return;
869		1359
…		…
874	cf::override;	1364	cf::override;
875	},	1365	},
876	on_extcmd => sub {	1366	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
878		1368
879	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1370
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
887	} else {	1386	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1388	}
890		1389
891	cf::override;	1390	cf::override;
892	},	1391	},
893	);	1392	);
894		1393
		1394	# "readahead" all extensions
895	sub load_extension {	1395	sub cache_extensions {
896	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
897		1397
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1401	}
923	die $@;
924	}	1402	};
925		1403
926	push @EXTS, $pkg;	1404	$grp
927	}	1405	}
928		1406
929	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
930	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1414	next unless -r $path;
932	eval {	1415
933	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 $active;
		1478	}
934	1	1479	}
935	} or warn "$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	}
936	}	1490	};
937	}	1491	}
938		1492
939	#############################################################################	1493	#############################################################################
940		1494
		1495	=back
		1496
941	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
942		1498
943	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
944		1500
945	=cut	1501	=cut
946		1502
947	package cf::player;	1503	package cf::player;
948		1504
…		…
950		1506
951	=head3 cf::player	1507	=head3 cf::player
952		1508
953	=over 4	1509	=over 4
954		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
955	=item cf::player::find $login	1525	=item cf::player::find $login
956		1526
957	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
958		1528
959	=cut	1529	=cut
960		1530
961	sub playerdir($) {	1531	sub playerdir($) {
962	cf::localdir	1532	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1533	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1534	}
968		1535
969	sub path($) {	1536	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1537	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1538
972	(playerdir $login) . "/$login.pl"	1539	(playerdir $login) . "/playerdata"
973	}	1540	}
974		1541
975	sub find_active($) {	1542	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1543	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1544	and $cf::PLAYER{$_[0]}->active
…		…
980		1547
981	sub exists($) {	1548	sub exists($) {
982	my ($login) = @_;	1549	my ($login) = @_;
983		1550
984	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
986	}	1553	}
987		1554
988	sub find($) {	1555	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1557	my $login = $_[0];
991		1558
992	my $guard = cf::lock_acquire "user_find:$login";	1559	my $guard = cf::lock_acquire "user_find:$login";
993		1560
994	$cf::PLAYER{$_[0]} || do {	1561	$cf::PLAYER{$_[0]} || do {
995	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
996	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;
997	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
998	}	1578	}
999	}	1579	}
1000	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($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	);
1001		1594
1002	sub save($) {	1595	sub save($) {
1003	my ($pl) = @_;	1596	my ($pl) = @_;
1004		1597
1005	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1011		1604
1012	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1014		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
1015	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1016	Coro::cede;	1614	cf::cede_to_tick;
1017	}	1615	}
1018		1616
1019	sub new($) {	1617	sub new($) {
1020	my ($login) = @_;	1618	my ($login) = @_;
1021		1619
…		…
1027	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1028		1626
1029	$self	1627	$self
1030	}	1628	}
1031		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
1032	=item $pl->quit_character	1640	=item $pl->quit_character
1033		1641
1034	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1036		1644
1037	=cut	1645	=cut
1038		1646
1039	sub quit_character {	1647	sub quit_character {
1040	my ($pl) = @_;	1648	my ($pl) = @_;
1041		1649
		1650	my $name = $pl->ob->name;
		1651
1042	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1043	$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
1044		1654
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$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
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1049		1663
1050	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1666	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1667	delete $cf::PLAYER{$pl->ob->name};
1054	$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
1055	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;
1056	}	1690	}
1057		1691
1058	=item cf::player::list_logins	1692	=item cf::player::list_logins
1059		1693
1060	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
1061	while and may block, so not sync_job-capable, ever.	1695	while and may block, so not sync_job-capable, ever.
1062		1696
1063	=cut	1697	=cut
1064		1698
1065	sub list_logins {	1699	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1700	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1701	or return [];
1068		1702
1069	my @logins;	1703	my @logins;
1070		1704
1071	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") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1075		1715
1076	utf8::decode $login;	1716	utf8::decode $login;
1077	push @logins, $login;	1717	push @logins, $login;
1078	}	1718	}
1079		1719
1080	\@logins	1720	\@logins
1081	}	1721	}
1082		1722
1083	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1084		1726
1085	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1086	player. May block.	1728	player. May block.
1087		1729
1088	=cut	1730	=cut
…		…
1106	}	1748	}
1107		1749
1108	\@paths	1750	\@paths
1109	}	1751	}
1110		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1112		1758
1113	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1114		1760
1115	=cut	1761	=cut
1116		1762
1117	sub ext_reply($$$%) {	1763	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1119		1765
1120	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1767	}
1124		1768
1125	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	}
1126		1811
1127	=back	1812	=back
1128
1129		1813
1130	=head3 cf::map	1814	=head3 cf::map
1131		1815
1132	=over 4	1816	=over 4
1133		1817
…		…
1145	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1147		1831
1148	sub generate_random_map {	1832	sub generate_random_map {
1149	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
1150	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1838	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1173		1860
1174	sub register {	1861	sub register {
1175	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	1863	my $pkg = caller;
1177		1864
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		1866
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	1868	}
1183		1869
1184	# also paths starting with '/'	1870	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		1872
1187	sub thawer_merge {	1873	sub thawer_merge {
1188	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1189		1875
1190	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1191	local $self->{path};	1877	local $self->{path};
1192	local $self->{load_path};	1878	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1879
1196	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1197	}	1881	}
1198		1882
1199	sub normalise {	1883	sub normalise {
1200	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1201		1885
1202	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1203		1887
1204	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1205		1889
1206	# map plan:	1890	# map plan:
1207	#	1891	#
…		…
1246	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1247	return $self;	1931	return $self;
1248	}	1932	}
1249	}	1933	}
1250		1934
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	1936	()
1253	}	1937	}
1254		1938
1255	sub init {	1939	sub init {
1256	my ($self) = @_;	1940	my ($self) = @_;
…		…
1271		1955
1272	# the original (read-only) location	1956	# the original (read-only) location
1273	sub load_path {	1957	sub load_path {
1274	my ($self) = @_;	1958	my ($self) = @_;
1275		1959
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1960	"$MAPDIR/$self->{path}.map"
1277	}	1961	}
1278		1962
1279	# the temporary/swap location	1963	# the temporary/swap location
1280	sub save_path {	1964	sub save_path {
1281	my ($self) = @_;	1965	my ($self) = @_;
1282		1966
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1968	"$TMPDIR/$path.map"
1285	}	1969	}
1286		1970
1287	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1288	sub uniq_path {	1972	sub uniq_path {
1289	my ($self) = @_;	1973	my ($self) = @_;
1290		1974
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1976	"$UNIQUEDIR/$path"
1293	}	1977	}
1294		1978
1295	# and all this just because we cannot iterate over	1979	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1980	my ($self) = @_;
1299		1981
1300	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1302	}	1985	}
1303		1986
1304	sub unlink_save {	1987	sub unlink_save {
1305	my ($self) = @_;	1988	my ($self) = @_;
1306		1989
1307	utf8::encode (my $save = $self->save_path);	1990	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1991	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1992	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1993	}
1316		1994
1317	sub load_header_from($) {	1995	sub load_header_from($) {
1318	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1319		1997
1320	utf8::encode $path;	1998	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1326		2007
1327	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1328		2009
1329	1	2010	1
1330	}	2011	}
…		…
1369	$self->load_header_orig	2050	$self->load_header_orig
1370	or return;	2051	or return;
1371	$self->prepare_orig;	2052	$self->prepare_orig;
1372	}	2053	}
1373		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;
		2060
1374	1	2061	1
1375	}	2062	}
1376		2063
1377	sub find;	2064	sub find;
1378	sub find {	2065	sub find {
1379	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1380		2067
		2068	cf::cede_to_tick;
		2069
1381	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1382		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2074
1385	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1388	or return;	2077	or return;
1389		2078
1390	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1391		2080
1392	$map->load_header	2081	$map->load_header
1393	or return;	2082	or return;
1394		2083
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1398	$map->reset;	2089	$map->reset;
1399	undef $guard;
1400	return find $path;	2090	return find $path;
1401	}	2091	}
1402		2092
1403	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1404	}	2094	}
1405	}	2095	}
1406		2096
1407	sub pre_load { }	2097	sub pre_load { }
1408	sub post_load { }	2098	#sub post_load { } # XS
1409		2099
1410	sub load {	2100	sub load {
1411	my ($self) = @_;	2101	my ($self) = @_;
1412		2102
1413	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1414		2104
1415	my $path = $self->{path};	2105	my $path = $self->{path};
		2106
		2107	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1417		2109
		2110	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2112
1420	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1421		2114
1422	$self->alloc;	2115	$self->alloc;
1423		2116
1424	$self->pre_load;	2117	$self->pre_load;
		2118	cf::cede_to_tick;
1425		2119
1426	$self->_load_objects ($self->{load_path}, 1)	2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
		2122	$self->_load_objects ($f)
1427	or return;	2123	or return;
1428		2124
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1430	if delete $self->{load_original};	2126	if delete $self->{load_original};
1431		2127
1432	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2129	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2132	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1437	}	2136	}
1438	}	2137	}
1439		2138
1440	Coro::cede;	2139	$f->resolve_delayed_derefs;
1441		2140
		2141	cf::cede_to_tick;
1442	# now do the right thing for maps	2142	# now do the right thing for maps
1443	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2145	unless $self->difficulty;
1453	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;
1454	$self->activate;	2153	$self->activate;
		2154	}
		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
		2159	$self->in_memory (cf::MAP_ACTIVE);
1455	}	2160	}
1456		2161
1457	$self->post_load;	2162	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2163	}
1461		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
1462	sub customise_for {	2168	sub customise_for {
1463	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1464		2170
1465	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2172	if $self->per_player;
1467		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1468	$self	2177	$self
1469	}	2178	}
1470		2179
1471	# 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
1472	sub load_diag {	2181	sub load_neighbours {
1473	my ($map) = @_;	2182	my ($map) = @_;
1474		2183
1475	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1476		2185
1477	for (0 .. 3) {	2186	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1479	or next;	2188	or next;
1480	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1481	or next;	2190	or next;
1482	$neigh->load;	2191	$neigh->load;
1483		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2197	}
1487		2198
1488	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1490	or next;	2202	or next;
1491	$neigh->load;	2203	$neigh->load;
1492	}	2204	}
1493	}	2205	}
1494		2206
1495	sub find_sync {	2207	sub find_sync {
1496	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1497		2209
1498	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
1499	}	2214	}
1500		2215
1501	sub do_load_sync {	2216	sub do_load_sync {
1502	my ($map) = @_;	2217	my ($map) = @_;
1503		2218
1504	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;
1505	}	2223	}
1506		2224
1507	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1509		2227
1510	sub find_async {	2228	sub find_async {
1511	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1512		2230
1513	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1514		2232
1515	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2235	}
1518		2236
1519	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1520	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1521	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2244	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2245	$map->load if $v;
		2246	}
1526		2247
1527	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1528	}	2249	}
1529	}	2250	}
1530	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1531	};	2252	};
1532	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1533		2254
1534	()	2255	()
1535	}	2256	}
1536		2257
		2258	# common code, used by both ->save and ->swapout
1537	sub save {	2259	sub _save {
1538	my ($self) = @_;	2260	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2261
1542	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1543		2263
1544	return unless $self->dirty;	2264	return unless $self->dirty;
1545		2265
…		…
1551	return if $self->{deny_save};	2271	return if $self->{deny_save};
1552		2272
1553	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1554		2274
1555	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1557	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1558		2281
1559	if ($uniq) {	2282	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2285	} else {
1563	$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);
1564	}	2287	}
1565	}	2288	}
1566		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1567	sub swap_out {	2298	sub swap_out {
1568	my ($self) = @_;	2299	my ($self) = @_;
1569		2300
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1575	return if $self->players;	2305	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		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
1579	$self->clear;	2316	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2317	}
1582		2318
1583	sub reset_at {	2319	sub reset_at {
1584	my ($self) = @_;	2320	my ($self) = @_;
1585		2321
1586	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1589		2324
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	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;
1592		2327
…		…
1603	my ($self) = @_;	2338	my ($self) = @_;
1604		2339
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2341
1607	return if $self->players;	2342	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2343
1610	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
1611		2345
1612	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1613		2347
1614	# need to save uniques path	2348	# need to save uniques path
1615	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2353	if $uniq;
1620	}	2354	}
1621		2355
1622	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1623		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2360	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2361
1628	$self->unlink_save;	2362	$self->unlink_save;
1629	$self->destroy;	2363	$self->destroy;
1630	}	2364	}
1631		2365
1632	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1633		2367
1634	sub nuke {	2368	sub nuke {
1635	my ($self) = @_;	2369	my ($self) = @_;
1636		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1637	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1638		2375
1639	$self->unlink_save;	2376	$self->unlink_save;
1640		2377
1641	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2383
1647	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1648		2386
1649	$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	]
1650	}	2424	}
1651		2425
1652	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1653		2427
1654	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2429	instantiated unique items. May block.
1656		2430
1657	=cut	2431	=cut
1658		2432
1659	sub unique_maps() {	2433	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2434	[
1661	or return;	2435	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2436	utf8::decode $_;
1667	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2439	? ()
1670	push @paths, cf::map::normalise $_;	2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2442	]
1672
1673	\@paths
1674	}	2443	}
1675		2444
1676	package cf;	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) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1677		2476
1678	=back	2477	=back
1679		2478
1680	=head3 cf::object	2479	=head3 cf::object
1681		2480
…		…
1685		2484
1686	=over 4	2485	=over 4
1687		2486
1688	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1689		2488
1690	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.
1691		2491
1692	=cut	2492	=cut
1693		2493
1694	sub inv_recursive_;	2494	sub inv_recursive_;
1695	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1698		2498
1699	sub inv_recursive {	2499	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1701	}	2501	}
1702		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
1703	package cf;	2531	package cf;
1704		2532
1705	=back	2533	=back
1706		2534
1707	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1713	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>
1714	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
1715	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1716		2544
1717	=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	};
1718		2560
1719	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2562	# with dialog boxes.
1721	#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
1722	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1724		2566
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2568
1727	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1729	} 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 {
1730	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1732	}	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 (@_);
1733	}	2594	}
1734		2595
1735	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1736		2597
1737	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1750		2611
1751	=item $player_object->enter_link	2612	=item $player_object->enter_link
1752		2613
1753	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}>).
1754		2615
1755	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.
1756	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.
1757		2620
1758	Will never block.	2621	Will never block.
1759		2622
1760	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1761		2624
…		…
1781	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2645	my ($self) = @_;
1783		2646
1784	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1785		2648
		2649	++$self->{_link_recursion};
		2650
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2652
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1790		2655
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2657	}
1793		2658
1794	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1796		2663
1797	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1798		2665
1799	unless ($map) {	2666	unless ($map) {
1800	# restore original map position	2667	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1813		2680
1814	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1817		2684
1818	$map->load;	2685	$map->load;
1819	$map->load_diag;	2686	$map->load_neighbours;
1820		2687
1821	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
1822	$self->activate_recursive;	2695	$self->activate_recursive;
1823	$self->enter_map ($map, $x, $y);
1824	}
1825
1826	cf::player->attach (
1827	on_logout => sub {
1828	my ($pl) = @_;
1829
1830	# abort map switching before logout
1831	if ($pl->ob->{_link_pos}) {
1832	cf::sync_job {
1833	$pl->ob->leave_link
1834	};
1835	}
1836	},	2696	}
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2697
1840	# try to abort aborted map switching on player login :)	2698	}
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857		2699
1858	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1859		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
1860	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1861		2714
1862	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1863	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;
1864		2726
1865	$self->enter_link;	2727	$self->enter_link;
1866		2728
1867	(async {	2729	(async {
		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
1868	my $map = eval {	2751	my $map = eval {
1869	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1870	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
		2757	} else {
		2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760
1871	$map	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 $@;
1872	} or	2767	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1876	})->prio (1);	2775	})->prio (1);
1877	}	2776	}
1878		2777
1879	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1880		2779
…		…
1900	}	2799	}
1901		2800
1902	sub prepare_random_map {	2801	sub prepare_random_map {
1903	my ($exit) = @_;	2802	my ($exit) = @_;
1904		2803
1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1906
1907	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
1908	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
1909	# that depends on the exit object	2806	# that depends on the exit object
1910		2807
1911	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
1913	if ($exit->map) {	2810	if ($exit->map) {
1914	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
1915	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
1916	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
1917	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
1918	}	2817	}
1919		2818
1920	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
1921		2820
1922	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1923	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
1925		2824
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2827	undef $fh;
1929	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
1930		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
1931	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
1932	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
1933	}	2836	}
1934	}	2837	}
1935		2838
1936	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
1937	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
1938		2841
1939	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
1940		2843
1941	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
1943	cf::sync_job { prepare_random_map $exit };
1944	}
1945
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;
1949
1950	$self->enter_link;	2844	$self->enter_link;
1951		2845
1952	(async {	2846	(async {
1953	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
1954	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
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
1955	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
1956		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
1957	1;	2870	1
1958	}) {	2871	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
1960	. "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. "
1961	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
1963		2876
1964	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
1965	$self->leave_link;	2878	$self->leave_link;
1966	}	2879	}
1967	})->prio (1);	2880	})->prio (1);
1968	}	2881	}
1969		2882
…		…
1980		2893
1981	sub cf::client::send_drawinfo {	2894	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	2895	my ($self, $text, $flags) = @_;
1983		2896
1984	utf8::encode $text;	2897	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	2899	}
1987		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	}
1988		3122
1989	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
1990		3124
1991	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
1992	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>,
1993	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>.
1994		3128
1995	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
1996	reliable at some point in the future.	3130	become reliable at some point in the future.
1997		3131
1998	=cut	3132	=cut
1999		3133
2000	sub cf::client::query {	3134	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	3143	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		3145
2012	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2014	}	3150	}
2015		3151
2016	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	},
2017	on_reply => sub {	3158	on_reply => sub {
2018	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2019		3160
2020	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2021	# get handled first	3162	# get handled first
…		…
2033	} else {	3174	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	3176	}
2036	}	3177	}
2037	},	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	},
2038	);	3205	);
2039		3206
2040	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2041		3208
2042	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2058		3225
2059	$coro	3226	$coro
2060	}	3227	}
2061		3228
2062	cf::client->attach (	3229	cf::client->attach (
2063	on_destroy => sub {	3230	on_client_destroy => sub {
2064	my ($ns) = @_;	3231	my ($ns) = @_;
2065		3232
2066	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2067	},	3234	},
2068	);	3235	);
…		…
2083	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2085		3252
2086	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2087		3254
2088	$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	));
2089		3260
2090	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2091		3262
2092	=pod	3263	=pod
2093		3264
2094	The following fucntions and emthods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2095		3266
2096	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
2097	cf::object::player player	3272	cf::object::player
2098	cf::player peaceful	3273	player
2099	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2100		3280
2101	=cut	3281	=cut
2102		3282
2103	for (	3283	for (
2104	["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)],
2105	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2107	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2108	) {	3290	) {
2109	no strict 'refs';
2110	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2111	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2112	for @funs;	3293	for @funs;
2113	}	3294	}
2114		3295
…		…
2129		3310
2130	my $qcode = $code;	3311	my $qcode = $code;
2131	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2132	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2133		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2134	local $_;	3318	local $_;
2135	local @safe::cf::_safe_eval_args = values %vars;
2136		3319
2137	my $eval =	3320	my $eval =
2138	"do {\n"	3321	"do {\n"
2139	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2140	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2141	. $code	3324	. $code
2142	. "\n}"	3325	. "\n}"
2143	;	3326	;
2144		3327
		3328	if ($CFG{safe_eval}) {
2145	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2146	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2147	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	}
2148		3337
2149	if ($@) {	3338	if ($@) {
2150	warn "$@";	3339	warn "$@",
2151	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2152	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2153	}	3342	}
2154		3343
2155	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2156	}	3345	}
2157		3346
…		…
2171	=cut	3360	=cut
2172		3361
2173	sub register_script_function {	3362	sub register_script_function {
2174	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2175		3364
2176	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2177	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2178	}	3367	}
2179		3368
2180	=back	3369	=back
2181		3370
2182	=cut	3371	=cut
2183
2184	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255		3372
2256	#############################################################################	3373	#############################################################################
2257	# the server's init and main functions	3374	# the server's init and main functions
2258		3375
		3376	sub load_facedata($) {
		3377	my ($path) = @_;
		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
		3385	trace "loading facedata from $path\n";
		3386
		3387	0 < aio_load $path, my $facedata
		3388	or die "$path: $!";
		3389
		3390	$facedata = Coro::Storable::thaw $facedata;
		3391
		3392	$facedata->{version} == 2
		3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
		3404	{
		3405	my $faces = $facedata->{faceinfo};
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
		3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
		3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417
		3418	while (my ($face, $info) = each %$faces) {
		3419	next unless $info->{smooth};
		3420
		3421	my $idx = cf::face::find $face
		3422	or next;
		3423
		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
2259	sub load_resources {	3476	sub load_resource_file($) {
2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2261	or die "unable to load regions file\n";#d#	3492	or die "unable to load regions file\n";
2262	}
2263		3493
2264	sub cfg_load {	3494	for (cf::region::list) {
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3495	$_->{match} = qr/$_->{match}/
2266	or return;	3496	if exists $_->{match};
		3497	}
		3498	}
2267		3499
2268	local $/;	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...
2269	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2270		3562
2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2272		3564
2273	$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};
2274	$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};
2275		3567
2276	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2280	};	3572	};
2281	warn $@ if $@;	3573	warn $@ if $@;
2282	}	3574	}
2283	}	3575	}
2284		3576
2285	sub init {	3577	sub pidfile() {
2286	load_resources;	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;
2287	}	3603	}
2288		3604
2289	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
2290	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2292	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#
2293	(async {	3618	(async {
2294	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2295	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2296	};	3622	};
2297		3623
2298	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		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;
2299	db_init;	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
2300	load_extensions;	3647	load_extensions;
2301		3648
2302	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2303	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;
2304	}	3667	}
2305		3668
2306	#############################################################################	3669	#############################################################################
2307	# initialisation and cleanup	3670	# initialisation and cleanup
2308		3671
2309	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2310	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2311	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2312	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2313	reentrant => 0,
2314	data => WF_AUTOCANCEL,
2315	signal => $signal,
2316	prio => 0,
2317	cb => sub {
2318	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2319	},
2320	);	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
2321	}	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 };
2322	}	3768	}
2323		3769
2324	sub emergency_save() {	3770	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2326		3772
2327	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;
2328		3779
2329	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2330	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2331	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2332	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2333	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2334	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2335	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2336	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337	$pl->save;	3791	$pl->save;
2338	}	3792	}
2339	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2340		3794
2341	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";
2342	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2343	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2344	$map->valid or next;	3800	$map->valid or next;
2345	$map->save;	3801	$map->save;
2346	}	3802	}
2347	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2348		3804
2349	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2350	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2351	warn "end emergency database checkpoint\n";	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
2352	};	3833	};
2353		3834
2354	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2355	}	3836	}
2356		3837
2357	sub post_cleanup {	3838	sub post_cleanup {
2358	my ($make_core) = @_;	3839	my ($make_core) = @_;
2359		3840
		3841	IO::AIO::flush;
		3842
2360	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	3844	if $make_core;
2362	}
2363		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
2364	sub reload() {	3875	sub do_reload_perl() {
2365	# can/must only be called in main	3876	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2367	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2368	return;	3879	return;
2369	}	3880	}
2370		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2371	warn "reloading...";	3888	info "reloading...";
2372		3889
2373	warn "entering sync_job";	3890	trace "entering sync_job";
2374		3891
2375	cf::sync_job {	3892	cf::sync_job {
2376	cf::write_runtime; # external watchdog should not bark
2377	cf::emergency_save;	3893	#cf::emergency_save;
2378	cf::write_runtime; # external watchdog should not bark
2379		3894
2380	warn "syncing database to disk";
2381	BDB::db_env_txn_checkpoint $DB_ENV;
2382
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "flushing outstanding aio requests";
2391	for (;;) {
2392	BDB::flush;
2393	IO::AIO::flush;
2394	Coro::cede;
2395	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";
2397	}
2398
2399	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	3897	%EXT_CORO = ();
2402		3898
2403	warn "removing commands";	3899	trace "removing commands";
2404	%COMMAND = ();	3900	%COMMAND = ();
2405		3901
2406	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2407	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2408		3905
2409	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2412		3909
2413	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2414	eval {	3911	eval {
2415	$cb->($pkg);	3912	$cb->($pkg);
2416	1	3913	1
2417	} 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;
2418	}	3919	}
2419		3920
2420	warn "... nuking $pkg";
2421	Symbol::delete_package $pkg;
2422	}
2423
2424	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2425	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2427		3924
2428	warn "... unloading $k";	3925	trace "... unloading $k";
2429	delete $INC{$k};	3926	delete $INC{$k};
2430		3927
2431	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2432	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2433		3930
2434	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2435	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2436	}	3936	}
2437		3937
2438	Symbol::delete_package $k;
2439	}
2440
2441	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2442	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2443	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);
2444		3941
2445	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
		3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2447		3945
2448	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2449	# and global variables created in xs	3947	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2451		3949
2452	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2453		3951
2454	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2455	require cf;	3953	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2457		3955
2458	warn "loading config and database again";	3956	trace "loading config and database again";
2459	cf::cfg_load;	3957	cf::reload_config;
2460		3958
2461	warn "loading extensions";	3959	trace "loading extensions";
2462	cf::load_extensions;	3960	cf::load_extensions;
2463		3961
		3962	if ($REATTACH_ON_RELOAD) {
2464	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2465	_global_reattach;	3964	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2467	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
		3967	trace "reattaching attachments to players";
		3968	reattach $_ for values %PLAYER;
		3969	}
2468		3970
2469	warn "loading reloadable resources";	3971	trace "running post_init jobs";
2470	load_resources;	3972	(pop @POST_INIT)->(1) while @POST_INIT;
2471		3973
2472	warn "leaving sync_job";	3974	trace "leaving sync_job";
2473		3975
2474	1	3976	1
2475	} or do {	3977	} or do {
2476	warn $@;	3978	error $@;
2477	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2478	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$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	};
2479	};	4003	};
2480		4004	}
2481	warn "reloaded";
2482	};
2483
2484	our $RELOAD_WATCHER; # used only during reload
2485		4005
2486	register_command "reload" => sub {	4006	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2488		4008
2489	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
2491		4011	async {
2492	# doing reload synchronously and two reloads happen back-to-back,	4012	$Coro::current->{desc} = "perl_reload";
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;	4013	reload_perl;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);	4014	};
2504	}	4015	}
2505	};	4016	};
2506		4017
2507	unshift @INC, $LIBDIR;	4018	#############################################################################
2508		4019
2509	my $bug_warning = 0;	4020	my $bug_warning = 0;
2510		4021
2511	$TICK_WATCHER = Event->timer (	4022	our @WAIT_FOR_TICK;
2512	reentrant => 0,	4023	our @WAIT_FOR_TICK_BEGIN;
2513	parked => 1,	4024
2514	prio => 0,	4025	sub wait_for_tick() {
2515	at => $NEXT_TICK || $TICK,	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2516	data => WF_AUTOCANCEL,	4027
2517	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	$signal->wait;
		4039	}
		4040
		4041	sub tick {
2518	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2521	return;	4045	return;
2522	}	4046	}
2523		4047
2524	$NOW = Event::time;
2525
2526	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2527	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;
2529		4049
		4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4051
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2532	Coro::async_pool {	4054	Coro::async_pool {
		4055	$Coro::current->{desc} = "runtime saver";
2533	write_runtime	4056	write_runtime_sync
2534	or warn "ERROR: unable to write runtime file: $!";	4057	or error "ERROR: unable to write runtime file: $!";
2535	};
2536	}	4058	};
2537
2538
2539	$WAIT_FOR_TICK->broadcast;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542	# my $AFTER = Event::time;
2543	# warn $AFTER - $NOW;#d#
2544
2545	# if we are delayed by four ticks or more, skip them all
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2547
2548	$TICK_WATCHER->at ($NEXT_TICK);
2549	$TICK_WATCHER->start;
2550	},	4059	}
2551	);	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	}
2552		4079
2553	{	4080	{
2554	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2555	$BDB_POLL_WATCHER = Event->io (	4082
2556	reentrant => 0,
2557	fd => BDB::poll_fileno,
2558	poll => 'r',
2559	prio => 0,
2560	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,
2562	);
2563	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
2564		4084	BDB::max_poll_reqs $TICK * 0.1;
2565	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
2566	my $status;
2567	my $current = $Coro::current;
2568	(
2569	sub {
2570	$status = $!;
2571	$current->ready; undef $current;
2572	},
2573	sub {
2574	Coro::schedule while defined $current;
2575	$! = $status;
2576	},
2577	)
2578	};
2579		4086
2580	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
2581	$DB_ENV = BDB::db_env_create;	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);
2582		4094
2583	cf::sync_job {	4095	cf::sync_job {
2584	eval {	4096	eval {
2585	BDB::db_env_open	4097	BDB::db_env_open
2586	$DB_ENV,	4098	$DB_ENV,
2587	$BDB_ENV_DIR,	4099	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	4102	0666;
2591		4103
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595	$DB_ENV->set_lk_detect;
2596	};	4105	};
2597		4106
2598	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	4108	};
2600	}	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	};
2601	}	4120	}
2602		4121
2603	{	4122	{
		4123	# configure IO::AIO
		4124
2604	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
2605
2606	undef $Coro::AIO::WATCHER;
2607	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
2608	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
2609	reentrant => 0,
2610	data => WF_AUTOCANCEL,
2611	fd => IO::AIO::poll_fileno,
2612	poll => 'r',
2613	prio => 6,
2614	cb => \&IO::AIO::poll_cb,
2615	);
2616	}	4128	}
		4129
		4130	my $_log_backtrace;
		4131
		4132	sub _log_backtrace {
		4133	my ($msg, @addr) = @_;
		4134
		4135	$msg =~ s/\n//;
		4136
		4137	# limit the # of concurrent backtraces
		4138	if ($_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] $msg\n";
		4168	LOG llevInfo, "[ABT] [suppressed]\n";
		4169	}
		4170	}
		4171
		4172	# load additional modules
		4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2617		4175
2618	END { cf::emergency_save }	4176	END { cf::emergency_save }
2619		4177
2620	1	4178	1
2621		4179

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