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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	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;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
27		62
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
29		78
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		80
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		82
37	our %COMMAND = ();	83	our %COMMAND = ();
38	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
39		85
40	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
44		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	93	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
47		96
48	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	98	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
51	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	121	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
55		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
58		130
59	our %CFG;	131	our %CFG;
60		132
61	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
63		136
64	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		140
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $REALLY_UNLOOP; # never set to true, please :)
		153
76	binmode STDOUT;	154	binmode STDOUT;
77	binmode STDERR;	155	binmode STDERR;
78		156
79	# read virtual server time, if available	157	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
84	}	162	}
85		163
86	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	165
88	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		168
93	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
94		170
95	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::"} };
96		187
97	#############################################################################	188	#############################################################################
98		189
99	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
100		191
…		…
107	=item $cf::RUNTIME	198	=item $cf::RUNTIME
108		199
109	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
110	every server tick.	201	every server tick.
111		202
112	=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
113		206
114	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		211
117	=item $cf::NOW	212	=item $cf::NOW
118		213
119	The time of the last (current) server tick.	214	The time of the last (current) server tick.
120		215
121	=item $cf::TICK	216	=item $cf::TICK
122		217
123	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	230	=item %cf::CFG
126		231
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	233	from wherever your confdir points to.
129		234
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		236
132	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
133	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
134	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.
135	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.
136		257
137	=back	258	=back
138		259
139	=cut	260	=cut
140		261
141	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	269	my $msg = join "", @_;
144	utf8::encode $msg;
145		270
146	$msg .= "\n"	271	$msg .= "\n"
147	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
148		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
149	LOG llevError, $msg;	276	LOG llevWarn, $msg;
150	};	277	};
151	}	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	};
152		292
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		300
160	# 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
161	# within the Safe compartment.	302	# within the Safe compartment.
162	for my $pkg (qw(	303	for my $pkg (qw(
163	cf::global cf::attachable	304	cf::global cf::attachable
164	cf::object cf::object::player	305	cf::object cf::object::player
165	cf::client cf::player	306	cf::client cf::player
166	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
167	cf::map cf::party cf::region	309	cf::party cf::region
168	)) {	310	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	312	}
172		313
173	$Event::DIED = sub {	314	$EV::DIED = sub {
174	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
175	};	316	};
		317
		318	#############################################################################
176		319
177	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
178		321
179	=over 4	322	=over 4
180		323
…		…
199	$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;
200	$d	343	$d
201	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
202	}	345	}
203		346
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
207		348
208	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
209		350
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
218		352
219	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
220		354
221	=cut	355	=cut
222		356
223	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
225	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;
226	}	374	}
227		375
228	=item cf::lock_wait $string	376	=item cf::lock_wait $string
229		377
230	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
231		379
232	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
233		381
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
237	returned.	385	returned.
238		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
239	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
240	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
241		392
242	=cut	393	=item $locked = cf::lock_active $string
243		394
244	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
245		400
246	sub lock_wait($) {	401	sub lock_wait($) {
247	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	403	}
255		404
256	sub lock_acquire($) {	405	sub lock_acquire($) {
257	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
258		408
259	# wait, to be sure we are not locked	409	sub lock_active($) {
260	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	411	}
269		412
270	sub freeze_mainloop {	413	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
272		415
273	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	417	}
275	$WRITE_RUNTIME_WATCHER->start;	418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
276	};	483	}
277	$WRITE_RUNTIME_WATCHER->stop;	484	};
278	$TICK_WATCHER->stop;	485
279	$guard	486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
280	}	499	}
281		500
282	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
283		502
284	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		508
290	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
291		510
292	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
293		512
294	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
297		517
298	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
301	fast or be very important.	521	fast or be very important.
…		…
303	=cut	523	=cut
304		524
305	sub sync_job(&) {	525	sub sync_job(&) {
306	my ($job) = @_;	526	my ($job) = @_;
307		527
308	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
309	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
311		533
312	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	535
314	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
315		537
316	my $busy = 1;	538	my $busy = 1;
317	my @res;	539	my @res;
318		540
319	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	543	@res = eval { $job->() };
321	warn $@ if $@;	544	error $@ if $@;
322	undef $busy;	545	undef $busy;
323	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
324		547
325	while ($busy) {	548	while ($busy) {
326	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
327	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
328		559
329	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
330	} else {	561	} else {
331	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
332		563
…		…
352	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
353		584
354	$coro	585	$coro
355	}	586	}
356		587
357	sub write_runtime {	588	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		589
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	Executes the given code block with the given arguments in a seperate
361	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.
362		594
363	my $value = $cf::RUNTIME + 90 + 10;	595	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		596
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	597	sub fork_call(&@) {
368	and return;	598	my ($cb, @args) = @_;
369		599
370	# always fsync - this file is important	600	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	601	# otherwise perl prematurely frees the stuff :/
372	and return;	602	# TODO: investigate and fix (likely this will be rather laborious)
373		603
374	close $fh	604	my @res = Coro::Util::fork_eval {
375	or return;	605	reset_signals;
		606	&$cb
		607	}, @args;
376		608
377	aio_rename "$runtime~", $runtime	609	wantarray ? @res : $res[-1]
378	and return;	610	}
379		611
		612	sub objinfo {
380	1	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
		777	}
		778
		779	=item cf::datalog type => key => value, ...
		780
		781	Log a datalog packet of the given type with the given key-value pairs.
		782
		783	=cut
		784
		785	sub datalog($@) {
		786	my ($type, %kv) = @_;
		787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	788	}
382		789
383	=back	790	=back
384		791
385	=cut	792	=cut
386		793
387	#############################################################################	794	#############################################################################
388		795
389	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
390		797
391	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
394		801
395	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	804	Deliantra).
398		805
399	=over 4	806	=over 4
400		807
401	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
402		809
…		…
446	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
447		854
448	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
450		857
451	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
453		860
454	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
455		862
456	=over 4	863	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	972	$registry = $CB_TYPE[$object_type] ||= [];
566		973
567	} elsif ($type eq "subtype") {	974	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	975	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	976	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	977	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		978
572	} elsif ($type eq "package") {	979	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	980	my $pkg = shift @arg;
574		981
575	while (my ($name, $id) = each %cb_id) {	982	while (my ($name, $id) = each %cb_id) {
…		…
580		987
581	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		990
584	} elsif (ref $type) {	991	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
586		993
587	} else {	994	} else {
588	shift @arg;	995	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
590	}	997	}
591	}	998	}
592	}	999	}
593		1000
594	sub _object_attach {	1001	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
605	}	1012	}
606		1013
607	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
608	} else {	1015	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1017	}
611		1018
612	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
613	}	1020	}
614		1021
…		…
616	if (ref $_[0]) {	1023	if (ref $_[0]) {
617	_object_attach @_;	1024	_object_attach @_;
618	} else {	1025	} else {
619	_attach shift->_attach_registry, @_;	1026	_attach shift->_attach_registry, @_;
620	}	1027	}
		1028	_recalc_want;
621	};	1029	};
622		1030
623	# all those should be optimised	1031	# all those should be optimised
624	sub cf::attachable::detach {	1032	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1033	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1036	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1037	reattach ($obj);
630	} else {	1038	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1039	Carp::croak "cannot, currently, detach class attachments";
632	}	1040	}
		1041	_recalc_want;
633	};	1042	};
634		1043
635	sub cf::attachable::attached {	1044	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1045	my ($obj, $name) = @_;
637		1046
…		…
652	";	1061	";
653	die if $@;	1062	die if $@;
654	}	1063	}
655		1064
656	our $override;	1065	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1067
659	sub override {	1068	sub override {
660	$override = 1;	1069	$override = 1;
661	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
662	}	1071	}
663		1072
664	sub do_invoke {	1073	sub do_invoke {
665	my $event = shift;	1074	my $event = shift;
666	my $callbacks = shift;	1075	my $callbacks = shift;
667		1076
668	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
669		1078
670	local $override;	1079	local $override;
671		1080
672	for (@$callbacks) {	1081	for (@$callbacks) {
673	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
674		1083
675	if ($@) {	1084	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1086	override;
679	}	1087	}
680		1088
681	return 1 if $override;	1089	return 1 if $override;
682	}	1090	}
683		1091
684	0	1092	0
685	}	1093	}
686		1094
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1096
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1098
691	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
692		1100
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1102	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1104
697	=back	1105	=back
698		1106
699	=cut	1107	=cut
700		1108
701	#############################################################################	1109	#############################################################################
702	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
703		1153
704	sub reattach {	1154	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1156	my ($obj) = @_;
707		1157
		1158	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1160
710	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
711		1162
712	@$registry = ();	1163	@$registry = ();
713		1164
…		…
718	for (@$attach) {	1169	for (@$attach) {
719	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
721	}	1172	}
722	} else {	1173	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1175	}
725	}	1176	}
726	}	1177	}
727		1178
728	cf::attachable->attach (	1179	cf::attachable->attach (
729	prio => -1000000,	1180	prio => -1000000,
730	on_instantiate => sub {	1181	on_instantiate => sub {
731	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
732		1183
733	$data = from_json $data;	1184	$data = decode_json $data;
734		1185
735	for (@$data) {	1186	for (@$data) {
736	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
737		1188
738	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1205	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
756		1207
757	sync_job {	1208	sync_job {
758	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
761		1214
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1220	aio_fsync $fh;
		1221	}
766	close $fh;	1222	aio_close $fh;
767		1223
768	if (@$objs) {	1224	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1231	aio_fsync $fh;
		1232	}
774	close $fh;	1233	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
776	}	1235	}
777	} else {	1236	} else {
778	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
779	}	1238	}
780		1239
781	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1244	} else {
783	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
784	}	1246	}
785	} else {	1247	} else {
786	aio_unlink $filename;	1248	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
788	}	1250	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1251	};
796	}	1252	}
797		1253
798	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
800		1256
…		…
805		1261
806	sub object_thawer_load {	1262	sub object_thawer_load {
807	my ($filename) = @_;	1263	my ($filename) = @_;
808		1264
809	my ($data, $av);	1265	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1266
814	(aio_load $filename, $data) >= 0	1267	(aio_load $filename, $data) >= 0
815	or return;	1268	or return;
816		1269
817	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
819	or return;	1272	or return;
		1273
820	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
821	}	1276	}
822		1277
		1278	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
825	return ($data, $av);	1283	($data, $av)
826	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
827		1291
828	#############################################################################	1292	#############################################################################
829	# command handling &c	1293	# command handling &c
830		1294
831	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1309	}
846		1310
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1312
849	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
850		1318
851	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
852	called.	1320	called.
853		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
854	=cut	1333	=cut
855		1334
856	sub register_extcmd {	1335	sub register_extcmd {
857	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
858		1337
859	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
860	}	1339	}
861		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
862	cf::player->attach (	1349	cf::player->attach (
863	on_command => sub {	1350	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
865		1352
866	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
867	or return;	1354	or return;
868		1355
…		…
873	cf::override;	1360	cf::override;
874	},	1361	},
875	on_extcmd => sub {	1362	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
877		1364
878	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1366
880	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
886	} else {	1382	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1384	}
889		1385
890	cf::override;	1386	cf::override;
891	},	1387	},
892	);	1388	);
893		1389
		1390	# "readahead" all extensions
894	sub load_extension {	1391	sub cache_extensions {
895	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
896		1393
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1397	}
922	die $@;
923	}	1398	};
924		1399
925	push @EXTS, $pkg;	1400	$grp
926	}	1401	}
927		1402
928	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
929	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1410	next unless -r $path;
931	eval {	1411
932	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
933	1	1475	}
934	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
		1485	}
935	}	1486	};
936	}	1487	}
937		1488
938	#############################################################################	1489	#############################################################################
939		1490
		1491	=back
		1492
940	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
941		1494
942	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
943		1496
944	=cut	1497	=cut
945		1498
946	package cf::player;	1499	package cf::player;
947		1500
…		…
949		1502
950	=head3 cf::player	1503	=head3 cf::player
951		1504
952	=over 4	1505	=over 4
953		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
		1520
954	=item cf::player::find $login	1521	=item cf::player::find $login
955		1522
956	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
957		1524
958	=cut	1525	=cut
959		1526
960	sub playerdir($) {	1527	sub playerdir($) {
961	cf::localdir	1528	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1529	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1530	}
967		1531
968	sub path($) {	1532	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1533	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1534
971	(playerdir $login) . "/$login.pl"	1535	(playerdir $login) . "/playerdata"
972	}	1536	}
973		1537
974	sub find_active($) {	1538	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1539	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1540	and $cf::PLAYER{$_[0]}->active
…		…
979		1543
980	sub exists($) {	1544	sub exists($) {
981	my ($login) = @_;	1545	my ($login) = @_;
982		1546
983	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
985	}	1549	}
986		1550
987	sub find($) {	1551	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1553	my $login = $_[0];
990		1554
991	my $guard = cf::lock_acquire "user_find:$login";	1555	my $guard = cf::lock_acquire "user_find:$login";
992		1556
993	$cf::PLAYER{$_[0]} || do {	1557	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1558	# rename old playerfiles to new ones
		1559	#TODO: remove when no longer required
		1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1563	aio_unlink +(playerdir $login) . "/$login.pl";
		1564
		1565	my $f = new_from_file cf::object::thawer path $login
995	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
997	}	1574	}
998	}	1575	}
999	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
1000		1590
1001	sub save($) {	1591	sub save($) {
1002	my ($pl) = @_;	1592	my ($pl) = @_;
1003		1593
1004	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1010		1600
1011	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1013		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1014	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1015	Coro::cede;	1610	cf::cede_to_tick;
1016	}	1611	}
1017		1612
1018	sub new($) {	1613	sub new($) {
1019	my ($login) = @_;	1614	my ($login) = @_;
1020		1615
…		…
1026	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1027		1622
1028	$self	1623	$self
1029	}	1624	}
1030		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1031	=item $pl->quit_character	1636	=item $pl->quit_character
1032		1637
1033	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1035		1640
1036	=cut	1641	=cut
1037		1642
1038	sub quit_character {	1643	sub quit_character {
1039	my ($pl) = @_;	1644	my ($pl) = @_;
1040		1645
		1646	my $name = $pl->ob->name;
		1647
1041	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1650
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1048		1656
1049	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1659	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1660	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1661	$pl->destroy;
		1662
		1663	my $prefix = qr<^~\Q$name\E/>;
		1664
		1665	# nuke player maps
		1666	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1667
1054	IO::AIO::aio_rmtree $temp;	1668	IO::AIO::aio_rmtree $temp;
		1669	}
		1670
		1671	=item $pl->kick
		1672
		1673	Kicks a player out of the game. This destroys the connection.
		1674
		1675	=cut
		1676
		1677	sub kick {
		1678	my ($pl, $kicker) = @_;
		1679
		1680	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1681	$pl->killer ("kicked");
		1682	$pl->ns->destroy;
1055	}	1683	}
1056		1684
1057	=item cf::player::list_logins	1685	=item cf::player::list_logins
1058		1686
1059	Returns am arrayref of all valid playernames in the system, can take a	1687	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1688	while and may block, so not sync_job-capable, ever.
1061		1689
1062	=cut	1690	=cut
1063		1691
1064	sub list_logins {	1692	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1693	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1694	or return [];
1067		1695
1068	my @logins;	1696	my @logins;
1069		1697
1070	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1074		1708
1075	utf8::decode $login;	1709	utf8::decode $login;
1076	push @logins, $login;	1710	push @logins, $login;
1077	}	1711	}
1078		1712
1079	\@logins	1713	\@logins
1080	}	1714	}
1081		1715
1082	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1083		1719
1084	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1085	player. May block.	1721	player. May block.
1086		1722
1087	=cut	1723	=cut
…		…
1105	}	1741	}
1106		1742
1107	\@paths	1743	\@paths
1108	}	1744	}
1109		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1111		1751
1112	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1113		1753
1114	=cut	1754	=cut
1115		1755
1116	sub ext_reply($$$%) {	1756	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1118		1758
1119	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1760	}
1123		1761
1124	package cf;	1762	=item $player->ext_msg ($type, @msg)
		1763
		1764	Sends an ext event to the client.
		1765
		1766	=cut
		1767
		1768	sub ext_msg($$@) {
		1769	my ($self, $type, @msg) = @_;
		1770
		1771	$self->ns->ext_msg ($type, @msg);
		1772	}
		1773
		1774	=head3 cf::region
		1775
		1776	=over 4
		1777
		1778	=cut
		1779
		1780	package cf::region;
		1781
		1782	=item cf::region::find_by_path $path
		1783
		1784	Tries to decuce the likely region for a map knowing only its path.
		1785
		1786	=cut
		1787
		1788	sub find_by_path($) {
		1789	my ($path) = @_;
		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
		1793	my ($match, $specificity);
		1794
		1795	for my $region (list) {
		1796	if ($region->{match} && $path =~ $region->{match}) {
		1797	($match, $specificity) = ($region, $region->specificity)
		1798	if $region->specificity > $specificity;
		1799	}
		1800	}
		1801
		1802	$match
		1803	}
1125		1804
1126	=back	1805	=back
1127
1128		1806
1129	=head3 cf::map	1807	=head3 cf::map
1130		1808
1131	=over 4	1809	=over 4
1132		1810
…		…
1144	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1146		1824
1147	sub generate_random_map {	1825	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1149	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1831	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1172		1853
1173	sub register {	1854	sub register {
1174	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1856	my $pkg = caller;
1176		1857
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1859
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1861	}
1182		1862
1183	# also paths starting with '/'	1863	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1865
1186	sub thawer_merge {	1866	sub thawer_merge {
1187	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1188		1868
1189	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1190	local $self->{path};	1870	local $self->{path};
1191	local $self->{load_path};	1871	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1872
1195	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1196	}	1874	}
1197		1875
1198	sub normalise {	1876	sub normalise {
1199	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1200		1878
1201	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1202		1880
1203	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1204		1882
1205	# map plan:	1883	# map plan:
1206	#	1884	#
…		…
1245	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1246	return $self;	1924	return $self;
1247	}	1925	}
1248	}	1926	}
1249		1927
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	1929	()
1252	}	1930	}
1253		1931
1254	sub init {	1932	sub init {
1255	my ($self) = @_;	1933	my ($self) = @_;
…		…
1270		1948
1271	# the original (read-only) location	1949	# the original (read-only) location
1272	sub load_path {	1950	sub load_path {
1273	my ($self) = @_;	1951	my ($self) = @_;
1274		1952
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1953	"$MAPDIR/$self->{path}.map"
1276	}	1954	}
1277		1955
1278	# the temporary/swap location	1956	# the temporary/swap location
1279	sub save_path {	1957	sub save_path {
1280	my ($self) = @_;	1958	my ($self) = @_;
1281		1959
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1961	"$TMPDIR/$path.map"
1284	}	1962	}
1285		1963
1286	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1287	sub uniq_path {	1965	sub uniq_path {
1288	my ($self) = @_;	1966	my ($self) = @_;
1289		1967
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1969	"$UNIQUEDIR/$path"
1292	}	1970	}
1293		1971
1294	# and all this just because we cannot iterate over	1972	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	1973	my ($self) = @_;
1298		1974
1299	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1301	}	1978	}
1302		1979
1303	sub unlink_save {	1980	sub unlink_save {
1304	my ($self) = @_;	1981	my ($self) = @_;
1305		1982
1306	utf8::encode (my $save = $self->save_path);	1983	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1984	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1985	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1986	}
1315		1987
1316	sub load_header_from($) {	1988	sub load_header_from($) {
1317	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1318		1990
1319	utf8::encode $path;	1991	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1325		2000
1326	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1327		2002
1328	1	2003	1
1329	}	2004	}
…		…
1368	$self->load_header_orig	2043	$self->load_header_orig
1369	or return;	2044	or return;
1370	$self->prepare_orig;	2045	$self->prepare_orig;
1371	}	2046	}
1372		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
		2051	$self->default_region (cf::region::find_by_path $self->{path})
		2052	unless $self->default_region;
		2053
1373	1	2054	1
1374	}	2055	}
1375		2056
1376	sub find;	2057	sub find;
1377	sub find {	2058	sub find {
1378	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1379		2060
		2061	cf::cede_to_tick;
		2062
1380	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1381		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2067
1384	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1387	or return;	2070	or return;
1388		2071
1389	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1390		2073
1391	$map->load_header	2074	$map->load_header
1392	or return;	2075	or return;
1393		2076
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1397	$map->reset;	2082	$map->reset;
1398	undef $guard;
1399	return find $path;	2083	return find $path;
1400	}	2084	}
1401		2085
1402	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1403	}	2087	}
1404	}	2088	}
1405		2089
1406	sub pre_load { }	2090	sub pre_load { }
1407	sub post_load { }	2091	#sub post_load { } # XS
1408		2092
1409	sub load {	2093	sub load {
1410	my ($self) = @_;	2094	my ($self) = @_;
1411		2095
1412	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1413		2097
1414	my $path = $self->{path};	2098	my $path = $self->{path};
		2099
		2100	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1416		2102
		2103	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2105
1419	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1420		2107
1421	$self->alloc;	2108	$self->alloc;
1422		2109
1423	$self->pre_load;	2110	$self->pre_load;
		2111	cf::cede_to_tick;
1424		2112
1425	$self->_load_objects ($self->{load_path}, 1)	2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
		2115	$self->_load_objects ($f)
1426	or return;	2116	or return;
1427		2117
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1429	if delete $self->{load_original};	2119	if delete $self->{load_original};
1430		2120
1431	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2122	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2125	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1436	}	2129	}
1437	}	2130	}
1438		2131
1439	Coro::cede;	2132	$f->resolve_delayed_derefs;
1440		2133
		2134	cf::cede_to_tick;
1441	# now do the right thing for maps	2135	# now do the right thing for maps
1442	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2138	unless $self->difficulty;
1452	Coro::cede;	2139	cf::cede_to_tick;
		2140
		2141	unless ($self->{deny_activate}) {
		2142	$self->decay_objects;
		2143	$self->fix_auto_apply;
		2144	$self->update_buttons;
		2145	cf::cede_to_tick;
1453	$self->activate;	2146	$self->activate;
		2147	}
		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
		2152	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2153	}
1455		2154
1456	$self->post_load;	2155	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2156	}
1460		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2161	sub customise_for {
1462	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1463		2163
1464	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2165	if $self->per_player;
1466		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1467	$self	2170	$self
1468	}	2171	}
1469		2172
1470	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2174	sub load_neighbours {
1472	my ($map) = @_;	2175	my ($map) = @_;
1473		2176
1474	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1475		2178
1476	for (0 .. 3) {	2179	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1478	or next;	2181	or next;
1479	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1480	or next;	2183	or next;
1481	$neigh->load;	2184	$neigh->load;
1482		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2190	}
1486		2191
1487	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1489	or next;	2195	or next;
1490	$neigh->load;	2196	$neigh->load;
1491	}	2197	}
1492	}	2198	}
1493		2199
1494	sub find_sync {	2200	sub find_sync {
1495	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1496		2202
1497	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1498	}	2207	}
1499		2208
1500	sub do_load_sync {	2209	sub do_load_sync {
1501	my ($map) = @_;	2210	my ($map) = @_;
1502		2211
1503	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1504	}	2216	}
1505		2217
1506	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1508		2220
1509	sub find_async {	2221	sub find_async {
1510	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1511		2223
1512	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1513		2225
1514	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2228	}
1517		2229
1518	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1519	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1520	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2237	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2238	$map->load if $v;
		2239	}
1525		2240
1526	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1527	}	2242	}
1528	}	2243	}
1529	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1530	};	2245	};
1531	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1532		2247
1533	()	2248	()
1534	}	2249	}
1535		2250
		2251	# common code, used by both ->save and ->swapout
1536	sub save {	2252	sub _save {
1537	my ($self) = @_;	2253	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2254
1541	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1542		2256
1543	return unless $self->dirty;	2257	return unless $self->dirty;
1544		2258
…		…
1550	return if $self->{deny_save};	2264	return if $self->{deny_save};
1551		2265
1552	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1553		2267
1554	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1556	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1557		2274
1558	if ($uniq) {	2275	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2278	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2280	}
1564	}	2281	}
1565		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1566	sub swap_out {	2291	sub swap_out {
1567	my ($self) = @_;	2292	my ($self) = @_;
1568		2293
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1574	return if $self->players;	2298	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1578	$self->clear;	2309	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2310	}
1581		2311
1582	sub reset_at {	2312	sub reset_at {
1583	my ($self) = @_;	2313	my ($self) = @_;
1584		2314
1585	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1588		2317
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2320
…		…
1602	my ($self) = @_;	2331	my ($self) = @_;
1603		2332
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2334
1606	return if $self->players;	2335	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2336
1609	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
		2338
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# need to save uniques path
		2342	unless ($self->{deny_save}) {
		2343	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2344
		2345	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2346	if $uniq;
		2347	}
1610		2348
1611	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1612		2350
1613	$self->in_memory (cf::MAP_SWAPPED);	2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2353	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2354
1618	$self->unlink_save;	2355	$self->unlink_save;
1619	$self->destroy;	2356	$self->destroy;
1620	}	2357	}
1621		2358
1622	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1623		2360
1624	sub nuke {	2361	sub nuke {
1625	my ($self) = @_;	2362	my ($self) = @_;
1626		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1627	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1628		2368
1629	$self->unlink_save;	2369	$self->unlink_save;
1630		2370
1631	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2376
1637	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1638		2379
1639	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1640	}	2417	}
1641		2418
1642	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1643		2420
1644	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2422	instantiated unique items. May block.
1646		2423
1647	=cut	2424	=cut
1648		2425
1649	sub unique_maps() {	2426	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2427	[
1651	or return;	2428	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2429	utf8::decode $_;
1657	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2432	? ()
1660	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2435	]
1662
1663	\@paths
1664	}	2436	}
1665		2437
1666	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1667		2469
1668	=back	2470	=back
1669		2471
1670	=head3 cf::object	2472	=head3 cf::object
1671		2473
…		…
1675		2477
1676	=over 4	2478	=over 4
1677		2479
1678	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1679		2481
1680	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1681		2484
1682	=cut	2485	=cut
1683		2486
1684	sub inv_recursive_;	2487	sub inv_recursive_;
1685	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1688		2491
1689	sub inv_recursive {	2492	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1691	}	2494	}
1692		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1693	package cf;	2524	package cf;
1694		2525
1695	=back	2526	=back
1696		2527
1697	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1706		2537
1707	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1708		2553
1709	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2555	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1714		2559
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2561
1717	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1719	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1722	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1723	}	2587	}
1724		2588
1725	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1726		2590
1727	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1740		2604
1741	=item $player_object->enter_link	2605	=item $player_object->enter_link
1742		2606
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2608
1745	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1747		2613
1748	Will never block.	2614	Will never block.
1749		2615
1750	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1751		2617
…		…
1771	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2638	my ($self) = @_;
1773		2639
1774	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1775		2641
		2642	++$self->{_link_recursion};
		2643
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2645
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1780		2648
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2650	}
1783		2651
1784	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1786		2656
1787	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1788		2658
1789	unless ($map) {	2659	unless ($map) {
1790	# restore original map position	2660	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1803		2673
1804	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1807		2677
1808	$map->load;	2678	$map->load;
1809	$map->load_diag;	2679	$map->load_neighbours;
1810		2680
1811	return unless $self->contr->active;	2681	return unless $self->contr->active;
		2682
		2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2684	if ($self->enter_map ($map, $x, $y)) {
		2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2688	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2689	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2690
1830	# try to abort aborted map switching on player login :)	2691	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2692
1848	=item $player_object->goto ($path, $x, $y)	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2694
		2695	Moves the player to the given map-path and coordinates by first freezing
		2696	her, loading and preparing them map, calling the provided $check callback
		2697	that has to return the map if sucecssful, and then unfreezes the player on
		2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
		2703
1850	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1851		2707
1852	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
		2716
		2717	# do generation counting so two concurrent goto's will be executed in-order
		2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2719
1855	$self->enter_link;	2720	$self->enter_link;
1856		2721
1857	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
1858	my $map = eval {	2744	my $map = eval {
1859	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
		2746
		2747	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2748	$map = $map->customise_for ($self);
		2749	$map = $check->($map, $x, $y, $self) if $check && $map;
		2750	} else {
		2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	}
		2753
1861	$map	2754	$map
		2755	};
		2756
		2757	if ($@) {
		2758	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2760	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
1866	})->prio (1);	2768	})->prio (1);
1867	}	2769	}
1868		2770
1869	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1870		2772
…		…
1890	}	2792	}
1891		2793
1892	sub prepare_random_map {	2794	sub prepare_random_map {
1893	my ($exit) = @_;	2795	my ($exit) = @_;
1894		2796
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2799	# that depends on the exit object
1900		2800
1901	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2803	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
1908	}	2810	}
1909		2811
1910	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
1911		2813
1912	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
1915		2817
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2820	undef $fh;
1919	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
1920		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
1923	}	2829	}
1924	}	2830	}
1925		2831
1926	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
1928		2834
1929	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
1930		2836
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2837	$self->enter_link;
1941		2838
1942	(async {	2839	(async {
1943	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
1944	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
1945	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
1946		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
1947	1;	2863	1
1948	}) {	2864	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2869
1954	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2871	$self->leave_link;
1956	}	2872	}
1957	})->prio (1);	2873	})->prio (1);
1958	}	2874	}
1959		2875
…		…
1970		2886
1971	sub cf::client::send_drawinfo {	2887	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2888	my ($self, $text, $flags) = @_;
1973		2889
1974	utf8::encode $text;	2890	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2892	}
1977		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
		3081	=item $client->ext_msg ($type, @msg)
		3082
		3083	Sends an ext event to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_msg($$@) {
		3088	my ($self, $type, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
		3093	push @msg, msgtype => "event_$type";
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
		3114	}
1978		3115
1979	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
1980		3117
1981	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3121
1985	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3123	become reliable at some point in the future.
1987		3124
1988	=cut	3125	=cut
1989		3126
1990	sub cf::client::query {	3127	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3136	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3138
2002	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2004	}	3143	}
2005		3144
2006	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2007	on_reply => sub {	3151	on_reply => sub {
2008	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2009		3153
2010	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2011	# get handled first	3155	# get handled first
…		…
2023	} else {	3167	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3169	}
2026	}	3170	}
2027	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2028	);	3198	);
2029		3199
2030	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2031		3201
2032	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3218
2049	$coro	3219	$coro
2050	}	3220	}
2051		3221
2052	cf::client->attach (	3222	cf::client->attach (
2053	on_destroy => sub {	3223	on_client_destroy => sub {
2054	my ($ns) = @_;	3224	my ($ns) = @_;
2055		3225
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3227	},
2058	);	3228	);
…		…
2073	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2075		3245
2076	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2077		3247
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2079		3253
2080	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2081		3255
2082	=pod	3256	=pod
2083		3257
2084	The following fucntions and emthods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2085		3259
2086	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2087	cf::object::player player	3265	cf::object::player
2088	cf::player peaceful	3266	player
2089	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2090		3273
2091	=cut	3274	=cut
2092		3275
2093	for (	3276	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2098	) {	3283	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3286	for @funs;
2103	}	3287	}
2104		3288
…		…
2119		3303
2120	my $qcode = $code;	3304	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2123		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2124	local $_;	3311	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3312
2127	my $eval =	3313	my $eval =
2128	"do {\n"	3314	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3317	. $code
2132	. "\n}"	3318	. "\n}"
2133	;	3319	;
2134		3320
		3321	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2138		3330
2139	if ($@) {	3331	if ($@) {
2140	warn "$@";	3332	warn "$@",
2141	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2143	}	3335	}
2144		3336
2145	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2146	}	3338	}
2147		3339
…		…
2161	=cut	3353	=cut
2162		3354
2163	sub register_script_function {	3355	sub register_script_function {
2164	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2165		3357
2166	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2168	}	3360	}
2169		3361
2170	=back	3362	=back
2171		3363
2172	=cut	3364	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3365
2282	#############################################################################	3366	#############################################################################
2283	# the server's init and main functions	3367	# the server's init and main functions
2284		3368
		3369	sub load_facedata($) {
		3370	my ($path) = @_;
		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
		3378	trace "loading facedata from $path\n";
		3379
		3380	0 < aio_load $path, my $facedata
		3381	or die "$path: $!";
		3382
		3383	$facedata = Coro::Storable::thaw $facedata;
		3384
		3385	$facedata->{version} == 2
		3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
		3397	{
		3398	my $faces = $facedata->{faceinfo};
		3399
		3400	while (my ($face, $info) = each %$faces) {
		3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
		3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
		3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3407
		3408	cf::cede_to_tick;
		3409	}
		3410
		3411	while (my ($face, $info) = each %$faces) {
		3412	next unless $info->{smooth};
		3413
		3414	my $idx = cf::face::find $face
		3415	or next;
		3416
		3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
		3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3420	} else {
		3421	error "smooth face '$info->{smooth}' not found for face '$face'";
		3422	}
		3423
		3424	cf::cede_to_tick;
		3425	}
		3426	}
		3427
		3428	{
		3429	my $anims = $facedata->{animinfo};
		3430
		3431	while (my ($anim, $info) = each %$anims) {
		3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	cf::anim::invalidate_all; # d'oh
		3437	}
		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
		3458	1
		3459	}
		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
2285	sub load_resources {	3469	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
		3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
		3484	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3485	or die "unable to load regions file\n";
2288	}
2289		3486
2290	sub cfg_load {	3487	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3488	$_->{match} = qr/$_->{match}/
2292	or return;	3489	if exists $_->{match};
		3490	}
		3491	}
2293		3492
2294	local $/;	3493	sub reload_facedata {
		3494	load_facedata "$DATADIR/facedata"
		3495	or die "unable to load facedata\n";
		3496	}
		3497
		3498	sub reload_archetypes {
		3499	load_resource_file "$DATADIR/archetypes"
		3500	or die "unable to load archetypes\n";
		3501	}
		3502
		3503	sub reload_treasures {
		3504	load_resource_file "$DATADIR/treasures"
		3505	or die "unable to load treasurelists\n";
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
		3531	sub reload_resources {
		3532	trace "reloading resource files...\n";
		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
		3539	reload_regions;
		3540	reload_treasures;
		3541
		3542	trace "finished reloading resource files\n";
		3543	}
		3544
		3545	sub reload_config {
		3546	trace "reloading config file...\n";
		3547
		3548	0 < aio_load "$CONFDIR/config", my $config
		3549	or die "$CONFDIR/config: $!";
		3550
		3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2295	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2296		3555
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3557
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3560
2302	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2306	};	3565	};
2307	warn $@ if $@;	3566	warn $@ if $@;
2308	}	3567	}
2309	}	3568	}
2310		3569
2311	sub init {	3570	sub pidfile() {
2312	load_resources;	3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3596	}
2314		3597
2315	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2316	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3611	(async {
2320	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2322	};	3615	};
2323		3616
2324	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
		3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2326	load_extensions;	3640	load_extensions;
2327		3641
2328	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2330	}	3660	}
2331		3661
2332	#############################################################################	3662	#############################################################################
2333	# initialisation and cleanup	3663	# initialisation and cleanup
2334		3664
2335	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2336	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2345	},
2346	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2347	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2348	}	3761	}
2349		3762
2350	sub emergency_save() {	3763	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2352		3765
2353	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2354		3772
2355	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2356	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3784	$pl->save;
2364	}	3785	}
2365	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2366		3787
2367	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3793	$map->valid or next;
2371	$map->save;	3794	$map->save;
2372	}	3795	}
2373	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3826	};
2375		3827
2376	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2377	}	3829	}
2378		3830
		3831	sub post_cleanup {
		3832	my ($make_core) = @_;
		3833
		3834	IO::AIO::flush;
		3835
		3836	error Carp::longmess "post_cleanup backtrace"
		3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
		3866	}
		3867
2379	sub reload() {	3868	sub do_reload_perl() {
2380	# can/must only be called in main	3869	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2382	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2383	return;	3872	return;
2384	}	3873	}
2385		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2386	warn "reloading...";	3881	info "reloading...";
2387		3882
2388	warn "cancelling server ticker";	3883	trace "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3884
		3885	cf::sync_job {
2391	cf::emergency_save;	3886	#cf::emergency_save;
2392		3887
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3890	%EXT_CORO = ();
2415		3891
2416	warn "removing commands";	3892	trace "removing commands";
2417	%COMMAND = ();	3893	%COMMAND = ();
2418		3894
2419	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2420	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2421		3898
2422	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2425		3902
2426	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3904	eval {
2428	$cb->($pkg);	3905	$cb->($pkg);
2429	1	3906	1
2430	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2431	}	3912	}
2432		3913
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3917
2441	warn "... unloading $k";	3918	trace "... unloading $k";
2442	delete $INC{$k};	3919	delete $INC{$k};
2443		3920
2444	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2446		3923
2447	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2449	}	3929	}
2450		3930
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3934
2458	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3938
2461	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3940	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2464		3942
2465	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2466		3944
2467	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2468	require cf;	3946	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2470		3948
2471	warn "loading config and database again";	3949	trace "loading config and database again";
2472	cf::cfg_load;	3950	cf::reload_config;
2473	cf::db_load;
2474		3951
2475	warn "loading extensions";	3952	trace "loading extensions";
2476	cf::load_extensions;	3953	cf::load_extensions;
2477		3954
		3955	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2479	_global_reattach;	3957	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
		3960	trace "reattaching attachments to players";
		3961	reattach $_ for values %PLAYER;
		3962	}
2482		3963
2483	warn "loading reloadable resources";	3964	trace "running post_init jobs";
2484	load_resources;	3965	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3966
2486	warn "restarting server ticker";	3967	trace "leaving sync_job";
2487		3968
2488	$TICK_WATCHER->start;	3969	1
		3970	} or do {
		3971	error $@;
		3972	cf::cleanup "error while reloading, exiting.";
		3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
		3977	}
		3978
		3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
		3981	};
		3982
		3983	our $RELOAD_WATCHER; # used only during reload
		3984
		3985	sub reload_perl() {
		3986	# doing reload synchronously and two reloads happen back-to-back,
		3987	# coro crashes during coro_state_free->destroy here.
		3988
		3989	$RELOAD_WATCHER ||= cf::async {
		3990	Coro::AIO::aio_wait cache_extensions;
		3991
		3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3993	do_reload_perl;
		3994	undef $RELOAD_WATCHER;
		3995	};
2489	};	3996	};
2490		3997	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3998
2502	register_command "reload" => sub {	3999	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2504		4001
2505	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2507		4004	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4006	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4007	};
2520	}	4008	}
2521	};	4009	};
2522		4010
2523	unshift @INC, $LIBDIR;	4011	#############################################################################
2524		4012
2525	my $bug_warning = 0;	4013	my $bug_warning = 0;
2526		4014
2527	$TICK_WATCHER = Event->timer (	4015	our @WAIT_FOR_TICK;
2528	reentrant => 0,	4016	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	4017
2530	prio => 0,	4018	sub wait_for_tick() {
2531	at => $NEXT_TICK || $TICK,	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	4020
2533	cb => sub {	4021	my $signal = new Coro::Signal;
		4022	push @WAIT_FOR_TICK, $signal;
		4023	$signal->wait;
		4024	}
		4025
		4026	sub wait_for_tick_begin() {
		4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4028
		4029	my $signal = new Coro::Signal;
		4030	push @WAIT_FOR_TICK_BEGIN, $signal;
		4031	$signal->wait;
		4032	}
		4033
		4034	sub tick {
2534	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2537	return;	4038	return;
2538	}	4039	}
2539		4040
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4042
2546	$WAIT_FOR_TICK->broadcast;	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4044
2549	Event::sweep;	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	Coro::cede_notself;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
		4049	write_runtime_sync
		4050	or error "ERROR: unable to write runtime file: $!";
		4051	};
		4052	}
		4053
		4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4055	$sig->send;
		4056	}
		4057	while (my $sig = shift @WAIT_FOR_TICK) {
		4058	$sig->send;
		4059	}
		4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
2551		4069	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4070	}
2561	);	4071	}
2562		4072
2563	{	4073	{
2564	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4075
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2574		4077	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4079
2590	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4087
2593	cf::sync_job {	4088	cf::sync_job {
		4089	eval {
2594	BDB::db_env_open	4090	BDB::db_env_open
2595	$DB_ENV,	4091	$DB_ENV,
2596	$BDB_ENV_DIR,	4092	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4095	0666;
2600		4096
2601	cf::cleanup "$!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4098	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4099
2604	$DB_ENV->set_lk_detect;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4101	};
2606	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2607	}	4113	}
2608		4114
2609	{	4115	{
		4116	# configure IO::AIO
		4117
2610	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4121	}
2623		4122
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4123	my $_log_backtrace;
2625	reentrant => 0,	4124
2626	data => WF_AUTOCANCEL,	4125	sub _log_backtrace {
2627	after => 1,	4126	my ($msg, @addr) = @_;
2628	interval => 10,	4127
2629	prio => 6, # keep it lowest so it acts like a watchdog	4128	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	4129
2631	write_runtime	4130	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	4131	if ($_log_backtrace < 2) {
		4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
		4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
		4137	my @bt = fork_call {
		4138	@addr = map { sprintf "%x", $_ } @addr;
		4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4141	or die "addr2line: $!";
		4142
		4143	my @funcs;
		4144	my @res = <$fh>;
		4145	chomp for @res;
		4146	while (@res) {
		4147	my ($func, $line) = splice @res, 0, 2, ();
		4148	push @funcs, "[$func] $line";
		4149	}
		4150
		4151	@funcs
		4152	};
		4153
		4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4156	LOG llevInfo, "[ABT] $_\n" for @bt;
		4157	--$_log_backtrace;
		4158	};
		4159	} else {
		4160	LOG llevInfo, "[ABT] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	4162	}
2634	);	4163	}
		4164
		4165	# load additional modules
		4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2635		4168
2636	END { cf::emergency_save }	4169	END { cf::emergency_save }
2637		4170
2638	1	4171	1
2639		4172

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