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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	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::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	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
119	every server tick.	201	every server tick.
120		202
121	=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
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	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
142	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 process
143	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.
144	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
145		252
146	=back	253	=back
147		254
148	=cut	255	=cut
149		256
150	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	264	my $msg = join "", @_;
153	utf8::encode $msg;
154		265
155	$msg .= "\n"	266	$msg .= "\n"
156	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
157		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
158	LOG llevError, $msg;	271	LOG llevWarn, $msg;
159	};	272	};
160	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
161		287
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		295
169	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	297	# within the Safe compartment.
171	for my $pkg (qw(	298	for my $pkg (qw(
172	cf::global cf::attachable	299	cf::global cf::attachable
173	cf::object cf::object::player	300	cf::object cf::object::player
174	cf::client cf::player	301	cf::client cf::player
175	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
176	cf::map cf::party cf::region	304	cf::party cf::region
177	)) {	305	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	307	}
181		308
182	$Event::DIED = sub {	309	$EV::DIED = sub {
183	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
184	};	311	};
		312
		313	#############################################################################
185		314
186	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
187		316
188	=over 4	317	=over 4
189		318
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	338	$d
210	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
211	}	340	}
212		341
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
216		343
217	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
218		345
219	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
220		347
221	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
222		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
223	=item cf::lock_wait $string	371	=item cf::lock_wait $string
224		372
225	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
226		374
227	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
228		376
229	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
232	returned.	380	returned.
233		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
234	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
236		387
237	=cut	388	=item $locked = cf::lock_active $string
238		389
239	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
240		395
241	sub lock_wait($) {	396	sub lock_wait($) {
242	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	398	}
250		399
251	sub lock_acquire($) {	400	sub lock_acquire($) {
252	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
253		403
254	# wait, to be sure we are not locked	404	sub lock_active($) {
255	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	406	}
264		407
265	sub freeze_mainloop {	408	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
267		410
268	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
270	};	478	}
271	$TICK_WATCHER->stop;	479	};
272	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
296	=cut	518	=cut
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		584
353	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
354		589
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
356	or return;
357		591
358	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		594
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
363	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
364		598
365	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	600	reset_signals;
367	and return;	601	&$cb
		602	}, @args;
368		603
369	close $fh	604	wantarray ? @res : $res[-1]
370	or return;	605	}
371		606
372	aio_rename "$runtime~", $runtime	607	sub objinfo {
373	and return;
374
375	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
376	}	772	}
377		773
378	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
379		775
380	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
381		777
382	=cut	778	=cut
383		779
384	sub datalog($@) {	780	sub datalog($@) {
385	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	783	}
388		784
389	=back	785	=back
390		786
391	=cut	787	=cut
392		788
393	#############################################################################	789	#############################################################################
394		790
395	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
396		792
397	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
400		796
401	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	799	Deliantra).
404		800
405	=over 4	801	=over 4
406		802
407	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
408		804
…		…
452	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
453		849
454	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
456		852
457	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
459		855
460	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
461		857
462	=over 4	858	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
572		968
573	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		973
578	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	975	my $pkg = shift @arg;
580		976
581	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
586		982
587	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		985
590	} elsif (ref $type) {	986	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
592		988
593	} else {	989	} else {
594	shift @arg;	990	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
596	}	992	}
597	}	993	}
598	}	994	}
599		995
600	sub _object_attach {	996	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
611	}	1007	}
612		1008
613	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
614	} else {	1010	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1012	}
617		1013
618	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
619	}	1015	}
620		1016
…		…
622	if (ref $_[0]) {	1018	if (ref $_[0]) {
623	_object_attach @_;	1019	_object_attach @_;
624	} else {	1020	} else {
625	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
626	}	1022	}
		1023	_recalc_want;
627	};	1024	};
628		1025
629	# all those should be optimised	1026	# all those should be optimised
630	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1032	reattach ($obj);
636	} else {	1033	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
638	}	1035	}
		1036	_recalc_want;
639	};	1037	};
640		1038
641	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
643		1041
…		…
658	";	1056	";
659	die if $@;	1057	die if $@;
660	}	1058	}
661		1059
662	our $override;	1060	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1062
665	sub override {	1063	sub override {
666	$override = 1;	1064	$override = 1;
667	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
668	}	1066	}
669		1067
670	sub do_invoke {	1068	sub do_invoke {
671	my $event = shift;	1069	my $event = shift;
672	my $callbacks = shift;	1070	my $callbacks = shift;
673		1071
674	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
675		1073
676	local $override;	1074	local $override;
677		1075
678	for (@$callbacks) {	1076	for (@$callbacks) {
679	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
680		1078
681	if ($@) {	1079	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1081	override;
685	}	1082	}
686		1083
687	return 1 if $override;	1084	return 1 if $override;
688	}	1085	}
689		1086
690	0	1087	0
691	}	1088	}
692		1089
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1091
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1093
697	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
698		1095
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1099
703	=back	1100	=back
704		1101
705	=cut	1102	=cut
706		1103
707	#############################################################################	1104	#############################################################################
708	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
709		1148
710	sub reattach {	1149	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1151	my ($obj) = @_;
713		1152
		1153	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1155
716	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
717		1157
718	@$registry = ();	1158	@$registry = ();
719		1159
…		…
724	for (@$attach) {	1164	for (@$attach) {
725	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
727	}	1167	}
728	} else {	1168	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1170	}
731	}	1171	}
732	}	1172	}
733		1173
734	cf::attachable->attach (	1174	cf::attachable->attach (
735	prio => -1000000,	1175	prio => -1000000,
736	on_instantiate => sub {	1176	on_instantiate => sub {
737	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
738		1178
739	$data = from_json $data;	1179	$data = decode_json $data;
740		1180
741	for (@$data) {	1181	for (@$data) {
742	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
743		1183
744	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1200	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
762		1202
763	sync_job {	1203	sync_job {
764	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
767		1209
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
772	close $fh;	1217	aio_close $fh;
773		1218
774	if (@$objs) {	1219	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
780	close $fh;	1228	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
782	}	1230	}
783	} else {	1231	} else {
784	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
785	}	1233	}
786		1234
787	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1239	} else {
789	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
790	}	1241	}
791	} else {	1242	} else {
792	aio_unlink $filename;	1243	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
794	}	1245	}
795	}	1246	};
796	}	1247	}
797		1248
798	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
800		1251
…		…
812	or return;	1263	or return;
813		1264
814	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
816	or return;	1267	or return;
		1268
817	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
818	}	1271	}
819		1272
		1273	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
822	return ($data, $av);	1278	($data, $av)
823	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
824		1286
825	#############################################################################	1287	#############################################################################
826	# command handling &c	1288	# command handling &c
827		1289
828	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1304	}
843		1305
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1307
846	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
847		1313
848	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
849	called.	1315	called.
850		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
851	=cut	1328	=cut
852		1329
853	sub register_extcmd {	1330	sub register_extcmd {
854	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
855		1332
856	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
857	}	1334	}
858		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
859	cf::player->attach (	1344	cf::player->attach (
860	on_command => sub {	1345	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
862		1347
863	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
864	or return;	1349	or return;
865		1350
…		…
870	cf::override;	1355	cf::override;
871	},	1356	},
872	on_extcmd => sub {	1357	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
874		1359
875	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1361
877	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
883	} else {	1377	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1379	}
886		1380
887	cf::override;	1381	cf::override;
888	},	1382	},
889	);	1383	);
890		1384
		1385	# "readahead" all extensions
891	sub load_extension {	1386	sub cache_extensions {
892	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
893		1388
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1392	}
919	die $@;
920	}	1393	};
921		1394
922	push @EXTS, $pkg;	1395	$grp
923	}	1396	}
924		1397
925	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
926	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1405	next unless -r $path;
928	eval {	1406
929	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
930	1	1470	}
931	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
932	}	1481	};
933	}	1482	}
934		1483
935	#############################################################################	1484	#############################################################################
936		1485
		1486	=back
		1487
937	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
938		1489
939	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
940		1491
941	=cut	1492	=cut
942		1493
943	package cf::player;	1494	package cf::player;
944		1495
…		…
946		1497
947	=head3 cf::player	1498	=head3 cf::player
948		1499
949	=over 4	1500	=over 4
950		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
951	=item cf::player::find $login	1516	=item cf::player::find $login
952		1517
953	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
954		1519
955	=cut	1520	=cut
956		1521
957	sub playerdir($) {	1522	sub playerdir($) {
958	cf::localdir	1523	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1525	}
964		1526
965	sub path($) {	1527	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1529
968	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
969	}	1531	}
970		1532
971	sub find_active($) {	1533	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
976		1538
977	sub exists($) {	1539	sub exists($) {
978	my ($login) = @_;	1540	my ($login) = @_;
979		1541
980	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
982	}	1544	}
983		1545
984	sub find($) {	1546	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1548	my $login = $_[0];
987		1549
988	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
989		1551
990	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
992	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
994	}	1569	}
995	}	1570	}
996	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
997		1585
998	sub save($) {	1586	sub save($) {
999	my ($pl) = @_;	1587	my ($pl) = @_;
1000		1588
1001	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1007		1595
1008	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1010		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1011	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1012	Coro::cede;	1605	cf::cede_to_tick;
1013	}	1606	}
1014		1607
1015	sub new($) {	1608	sub new($) {
1016	my ($login) = @_;	1609	my ($login) = @_;
1017		1610
…		…
1023	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1024		1617
1025	$self	1618	$self
1026	}	1619	}
1027		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1028	=item $pl->quit_character	1631	=item $pl->quit_character
1029		1632
1030	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1032		1635
…		…
1036	my ($pl) = @_;	1639	my ($pl) = @_;
1037		1640
1038	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1039		1642
1040	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1645
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1047		1651
1048	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1080		1684
1081	=cut	1685	=cut
1082		1686
1083	sub list_logins {	1687	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1689	or return [];
1086		1690
1087	my @logins;	1691	my @logins;
1088		1692
1089	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1093		1703
1094	utf8::decode $login;	1704	utf8::decode $login;
1095	push @logins, $login;	1705	push @logins, $login;
1096	}	1706	}
1097		1707
1098	\@logins	1708	\@logins
1099	}	1709	}
1100		1710
1101	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1102		1714
1103	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1104	player. May block.	1716	player. May block.
1105		1717
1106	=cut	1718	=cut
…		…
1124	}	1736	}
1125		1737
1126	\@paths	1738	\@paths
1127	}	1739	}
1128		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1129	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1130		1746
1131	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1132		1748
1133	=cut	1749	=cut
1134		1750
1135	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1137		1753
1138	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1755	}
1142		1756
1143	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1144		1758
1145	Sends an ext event to the client.	1759	Sends an ext event to the client.
1146		1760
1147	=cut	1761	=cut
1148		1762
1149	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1151		1765
1152	delete $msg{msgid};	1766	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1767	}
1158		1768
1159	package cf;	1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1160		1799
1161	=back	1800	=back
1162
1163		1801
1164	=head3 cf::map	1802	=head3 cf::map
1165		1803
1166	=over 4	1804	=over 4
1167		1805
…		…
1179	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1181		1819
1182	sub generate_random_map {	1820	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1184	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1826	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1189	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1190	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1207		1848
1208	sub register {	1849	sub register {
1209	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1210	my $pkg = caller;	1851	my $pkg = caller;
1211		1852
1212	no strict;
1213	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1214		1854
1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216	}	1856	}
1217		1857
1218	# also paths starting with '/'	1858	# also paths starting with '/'
1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1220		1860
1221	sub thawer_merge {	1861	sub thawer_merge {
1222	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1223		1863
1224	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1225	local $self->{path};	1865	local $self->{path};
1226	local $self->{load_path};	1866	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1867
1230	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1231	}	1869	}
1232		1870
1233	sub normalise {	1871	sub normalise {
1234	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1235		1873
1236	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1237		1875
1238	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1239		1877
1240	# map plan:	1878	# map plan:
1241	#	1879	#
…		…
1280	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1281	return $self;	1919	return $self;
1282	}	1920	}
1283	}	1921	}
1284		1922
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1286	()	1924	()
1287	}	1925	}
1288		1926
1289	sub init {	1927	sub init {
1290	my ($self) = @_;	1928	my ($self) = @_;
…		…
1305		1943
1306	# the original (read-only) location	1944	# the original (read-only) location
1307	sub load_path {	1945	sub load_path {
1308	my ($self) = @_;	1946	my ($self) = @_;
1309		1947
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1311	}	1949	}
1312		1950
1313	# the temporary/swap location	1951	# the temporary/swap location
1314	sub save_path {	1952	sub save_path {
1315	my ($self) = @_;	1953	my ($self) = @_;
1316		1954
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1319	}	1957	}
1320		1958
1321	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1322	sub uniq_path {	1960	sub uniq_path {
1323	my ($self) = @_;	1961	my ($self) = @_;
1324		1962
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1327	}	1965	}
1328		1966
1329	# and all this just because we cannot iterate over	1967	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	1968	my ($self) = @_;
1333		1969
1334	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1336	}	1973	}
1337		1974
1338	sub unlink_save {	1975	sub unlink_save {
1339	my ($self) = @_;	1976	my ($self) = @_;
1340		1977
…		…
1345		1982
1346	sub load_header_from($) {	1983	sub load_header_from($) {
1347	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1348		1985
1349	utf8::encode $path;	1986	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1355		1995
1356	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1357		1997
1358	1	1998	1
1359	}	1999	}
…		…
1398	$self->load_header_orig	2038	$self->load_header_orig
1399	or return;	2039	or return;
1400	$self->prepare_orig;	2040	$self->prepare_orig;
1401	}	2041	}
1402		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
		2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
1403	1	2049	1
1404	}	2050	}
1405		2051
1406	sub find;	2052	sub find;
1407	sub find {	2053	sub find {
1408	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1409		2055
		2056	cf::cede_to_tick;
		2057
1410	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1411		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1413		2062
1414	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1417	or return;	2065	or return;
1418		2066
1419	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1420		2068
1421	$map->load_header	2069	$map->load_header
1422	or return;	2070	or return;
1423		2071
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1427	$map->reset;	2077	$map->reset;
1428	undef $guard;
1429	return find $path;	2078	return find $path;
1430	}	2079	}
1431		2080
1432	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1433	}	2082	}
1434	}	2083	}
1435		2084
1436	sub pre_load { }	2085	sub pre_load { }
1437	sub post_load { }	2086	#sub post_load { } # XS
1438		2087
1439	sub load {	2088	sub load {
1440	my ($self) = @_;	2089	my ($self) = @_;
1441		2090
1442	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1443		2092
1444	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1446		2097
		2098	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2100
1449	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1450		2102
1451	$self->alloc;	2103	$self->alloc;
1452		2104
1453	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1454		2107
1455	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1456	or return;	2111	or return;
1457		2112
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1459	if delete $self->{load_original};	2114	if delete $self->{load_original};
1460		2115
1461	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2117	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2120	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1466	}	2124	}
1467	}	2125	}
1468		2126
1469	Coro::cede;	2127	$f->resolve_delayed_derefs;
1470		2128
		2129	cf::cede_to_tick;
1471	# now do the right thing for maps	2130	# now do the right thing for maps
1472	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2133	unless $self->difficulty;
1482	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1483	$self->activate;	2141	$self->activate;
		2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1484	}	2148	}
1485		2149
1486	$self->post_load;	2150	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2151	}
1490		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1491	sub customise_for {	2156	sub customise_for {
1492	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1493		2158
1494	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2160	if $self->per_player;
1496		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1497	$self	2165	$self
1498	}	2166	}
1499		2167
1500	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2169	sub load_neighbours {
1502	my ($map) = @_;	2170	my ($map) = @_;
1503		2171
1504	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1505		2173
1506	for (0 .. 3) {	2174	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1508	or next;	2176	or next;
1509	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1510	or next;	2178	or next;
1511	$neigh->load;	2179	$neigh->load;
1512		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2185	}
1516		2186
1517	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1519	or next;	2190	or next;
1520	$neigh->load;	2191	$neigh->load;
1521	}	2192	}
1522	}	2193	}
1523		2194
1524	sub find_sync {	2195	sub find_sync {
1525	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1526		2197
1527	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1528	}	2202	}
1529		2203
1530	sub do_load_sync {	2204	sub do_load_sync {
1531	my ($map) = @_;	2205	my ($map) = @_;
1532		2206
1533	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1534	}	2211	}
1535		2212
1536	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1538		2215
1539	sub find_async {	2216	sub find_async {
1540	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1541		2218
1542	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1543		2220
1544	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2223	}
1547		2224
1548	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1549	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1550	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2232	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2233	$map->load if $v;
		2234	}
1555		2235
1556	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1557	}	2237	}
1558	}	2238	}
1559	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1560	};	2240	};
1561	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1562		2242
1563	()	2243	()
1564	}	2244	}
1565		2245
		2246	# common code, used by both ->save and ->swapout
1566	sub save {	2247	sub _save {
1567	my ($self) = @_;	2248	my ($self) = @_;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1570		2249
1571	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1572		2251
1573	return unless $self->dirty;	2252	return unless $self->dirty;
1574		2253
…		…
1580	return if $self->{deny_save};	2259	return if $self->{deny_save};
1581		2260
1582	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1583		2262
1584	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1586	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1587		2269
1588	if ($uniq) {	2270	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2273	} else {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1593	}	2275	}
1594	}	2276	}
1595		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1596	sub swap_out {	2286	sub swap_out {
1597	my ($self) = @_;	2287	my ($self) = @_;
1598		2288
1599	# save first because save cedes
1600	$self->save;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1604	return if $self->players;	2293	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};
1607		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1608	$self->clear;	2304	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2305	}
1611		2306
1612	sub reset_at {	2307	sub reset_at {
1613	my ($self) = @_;	2308	my ($self) = @_;
1614		2309
1615	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1618		2312
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2315
…		…
1632	my ($self) = @_;	2326	my ($self) = @_;
1633		2327
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2329
1636	return if $self->players;	2330	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2331
1639	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1640		2333
1641	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1642		2335
1643	# need to save uniques path	2336	# need to save uniques path
1644	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2341	if $uniq;
1649	}	2342	}
1650		2343
1651	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1652		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2348	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2349
1657	$self->unlink_save;	2350	$self->unlink_save;
1658	$self->destroy;	2351	$self->destroy;
1659	}	2352	}
1660		2353
1661	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1662		2355
1663	sub nuke {	2356	sub nuke {
1664	my ($self) = @_;	2357	my ($self) = @_;
1665		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1666	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1667		2363
1668	$self->unlink_save;	2364	$self->unlink_save;
1669		2365
1670	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1671	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2371
1676	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1677		2374
1678	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1679	}	2412	}
1680		2413
1681	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1682		2415
1683	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2417	instantiated unique items. May block.
1685		2418
1686	=cut	2419	=cut
1687		2420
1688	sub unique_maps() {	2421	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1690	or return;	2423	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2424	utf8::decode $_;
1696	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2427	? ()
1699	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2430	]
1701
1702	\@paths
1703	}	2431	}
1704		2432
1705	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1706		2464
1707	=back	2465	=back
1708		2466
1709	=head3 cf::object	2467	=head3 cf::object
1710		2468
…		…
1714		2472
1715	=over 4	2473	=over 4
1716		2474
1717	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1718		2476
1719	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1720		2479
1721	=cut	2480	=cut
1722		2481
1723	sub inv_recursive_;	2482	sub inv_recursive_;
1724	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1727		2486
1728	sub inv_recursive {	2487	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1730	}	2489	}
1731		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1732	package cf;	2519	package cf;
1733		2520
1734	=back	2521	=back
1735		2522
1736	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1745		2532
1746	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1747		2548
1748	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2550	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1753		2554
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2556
1756	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1758	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1761	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1762	}	2582	}
1763		2583
1764	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1765		2585
1766	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1779		2599
1780	=item $player_object->enter_link	2600	=item $player_object->enter_link
1781		2601
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2603
1784	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1785	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1786		2608
1787	Will never block.	2609	Will never block.
1788		2610
1789	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1790		2612
…		…
1810	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1811	my ($self) = @_;	2633	my ($self) = @_;
1812		2634
1813	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1814		2636
		2637	++$self->{_link_recursion};
		2638
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2640
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1819		2643
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1821	}	2645	}
1822		2646
1823	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1825		2651
1826	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1827		2653
1828	unless ($map) {	2654	unless ($map) {
1829	# restore original map position	2655	# restore original map position
…		…
1840	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1841	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1842		2668
1843	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1846		2672
1847	$map->load;	2673	$map->load;
1848	$map->load_diag;	2674	$map->load_neighbours;
1849		2675
1850	return unless $self->contr->active;	2676	return unless $self->contr->active;
1851	$self->activate_recursive;
1852		2677
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1855	}	2680	# entering was successful
1856		2681	delete $self->{_link_recursion};
1857	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1858	on_logout => sub {	2683	$self->activate_recursive;
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},	2684	}
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2685
1871	# try to abort aborted map switching on player login :)	2686	}
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2687
1889	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1890		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1891	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1892		2702
1893	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2714
1896	$self->enter_link;	2715	$self->enter_link;
1897		2716
1898	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1899	my $map = eval {	2739	my $map = eval {
1900	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1902	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2755	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1907	})->prio (1);	2763	})->prio (1);
1908	}	2764	}
1909		2765
1910	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1911		2767
…		…
1931	}	2787	}
1932		2788
1933	sub prepare_random_map {	2789	sub prepare_random_map {
1934	my ($exit) = @_;	2790	my ($exit) = @_;
1935		2791
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2794	# that depends on the exit object
1941		2795
1942	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2798	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1949	}	2805	}
1950		2806
1951	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1952		2808
1953	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1956		2812
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2815	undef $fh;
1960	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1961		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1964	}	2824	}
1965	}	2825	}
1966		2826
1967	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1969		2829
1970	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1971		2831
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2832	$self->enter_link;
1982		2833
1983	(async {	2834	(async {
1984	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1985	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
1986	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1987		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1988	1;	2858	1
1989	}) {	2859	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2864
1995	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1996	$self->leave_link;	2866	$self->leave_link;
1997	}	2867	}
1998	})->prio (1);	2868	})->prio (1);
1999	}	2869	}
2000		2870
…		…
2014		2884
2015	utf8::encode $text;	2885	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2887	}
2018		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
		3076	=item $client->ext_msg ($type, @msg)
		3077
		3078	Sends an ext event to the client.
		3079
		3080	=cut
		3081
		3082	sub cf::client::ext_msg($$@) {
		3083	my ($self, $type, @msg) = @_;
		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
		3088	push @msg, msgtype => "event_$type";
		3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
		3109	}
2019		3110
2020	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2021		3112
2022	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		3116
2026	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	3118	become reliable at some point in the future.
2028		3119
2029	=cut	3120	=cut
2030		3121
2031	sub cf::client::query {	3122	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	3131	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		3133
2043	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2045	}	3138	}
2046		3139
2047	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2048	on_reply => sub {	3146	on_reply => sub {
2049	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2050		3148
2051	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2052	# get handled first	3150	# get handled first
…		…
2064	} else {	3162	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3164	}
2067	}	3165	}
2068	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2069	);	3193	);
2070		3194
2071	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2072		3196
2073	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2089		3213
2090	$coro	3214	$coro
2091	}	3215	}
2092		3216
2093	cf::client->attach (	3217	cf::client->attach (
2094	on_destroy => sub {	3218	on_client_destroy => sub {
2095	my ($ns) = @_;	3219	my ($ns) = @_;
2096		3220
2097	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2098	},	3222	},
2099	);	3223	);
…		…
2114	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2116		3240
2117	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2118		3242
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2120		3248
2121	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2122		3250
2123	=pod	3251	=pod
2124		3252
2125	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2126		3254
2127	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2128	cf::object::player player	3260	cf::object::player
2129	cf::player peaceful	3261	player
2130	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2131		3268
2132	=cut	3269	=cut
2133		3270
2134	for (	3271	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2139	) {	3278	) {
2140	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2143	for @funs;	3281	for @funs;
2144	}	3282	}
2145		3283
…		…
2160		3298
2161	my $qcode = $code;	3299	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2164		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2165	local $_;	3306	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;
2167		3307
2168	my $eval =	3308	my $eval =
2169	"do {\n"	3309	"do {\n"
2170	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2171	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2172	. $code	3312	. $code
2173	. "\n}"	3313	. "\n}"
2174	;	3314	;
2175		3315
		3316	if ($CFG{safe_eval}) {
2176	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2177	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2178	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2179		3325
2180	if ($@) {	3326	if ($@) {
2181	warn "$@";	3327	warn "$@",
2182	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2183	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2184	}	3330	}
2185		3331
2186	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2187	}	3333	}
2188		3334
…		…
2202	=cut	3348	=cut
2203		3349
2204	sub register_script_function {	3350	sub register_script_function {
2205	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2206		3352
2207	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2208	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2209	}	3355	}
2210		3356
2211	=back	3357	=back
2212		3358
2213	=cut	3359	=cut
2214
2215	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286		3360
2287	#############################################################################	3361	#############################################################################
2288	# the server's init and main functions	3362	# the server's init and main functions
2289		3363
2290	sub load_facedata {	3364	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3365	my ($path) = @_;
2292		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2293	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2294		3374
2295	my $faces;	3375	my $facedata;
2296	0 < aio_load $path, $faces	3376	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3377	or die "$path: $!";
2298		3378
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3379	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3380
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3381	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
		3393	{
		3394	my $faces = $facedata->{faceinfo};
		3395
2307	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3398
		3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2312	Coro::cede;
2313	}
2314		3403
		3404	cf::cede_to_tick;
		3405	}
		3406
2315	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2317	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
2318	or next;	3514	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;
2321	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}
2324	Coro::cede;
2325	}
2326		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2327	1	3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
2328	}	3525	}
2329		3526
2330	sub reload_resources {	3527	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3528	trace "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3529
		3530	reload_exp_table;
		3531	reload_materials;
2333	load_facedata	3532	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3533	reload_sound;
2335	}	3534	reload_archetypes;
2336
2337	sub init {
2338	reload_resources;	3535	reload_regions;
2339	}	3536	reload_treasures;
2340		3537
2341	sub cfg_load {	3538	trace "finished reloading resource files\n";
		3539	}
		3540
		3541	sub reload_config {
		3542	trace "reloading config file...\n";
		3543
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3545	or return;
2344		3546
2345	local $/;	3547	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2347		3549
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2349		3551
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2352		3554
2353	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2356	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2357	};	3559	};
2358	warn $@ if $@;	3560	warn $@ if $@;
2359	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2360	}	3592	}
2361		3593
2362	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
2363	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3607	(async {
2367	Event::one_event;	3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3610	})->prio (Coro::PRIO_MAX);
2369	};	3611	};
2370		3612
2371	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
		3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		3623
		3624	reload_resources;
		3625	reload_config;
2372	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2373	load_extensions;	3636	load_extensions;
2374		3637
2375	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2377	}	3656	}
2378		3657
2379	#############################################################################	3658	#############################################################################
2380	# initialisation and cleanup	3659	# initialisation and cleanup
2381		3660
2382	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2383	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2392	},
2393	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2394	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2395	}	3757	}
2396		3758
2397	sub emergency_save() {	3759	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2399		3761
2400	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2401		3768
2402	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2403	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3780	$pl->save;
2411	}	3781	}
2412	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2413		3783
2414	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3789	$map->valid or next;
2418	$map->save;	3790	$map->save;
2419	}	3791	}
2420	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2421		3793
2422	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2425	};	3822	};
2426		3823
2427	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2428	}	3825	}
2429		3826
2430	sub post_cleanup {	3827	sub post_cleanup {
2431	my ($make_core) = @_;	3828	my ($make_core) = @_;
2432		3829
		3830	IO::AIO::flush;
		3831
2433	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3833	if $make_core;
2435	}
2436		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
		3862	}
		3863
2437	sub reload() {	3864	sub do_reload_perl() {
2438	# can/must only be called in main	3865	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2440	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2441	return;	3868	return;
2442	}	3869	}
2443		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2444	warn "reloading...";	3877	info "reloading...";
2445		3878
2446	warn "entering sync_job";	3879	trace "entering sync_job";
2447		3880
2448	cf::sync_job {	3881	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark
2450	cf::emergency_save;	3882	#cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark
2452		3883
2453	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;
2455
2456	# if anything goes wrong in here, we should simply crash as we already saved
2457
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();	3886	%EXT_CORO = ();
2477		3887
2478	warn "removing commands";	3888	trace "removing commands";
2479	%COMMAND = ();	3889	%COMMAND = ();
2480		3890
2481	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2482	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2483		3894
2484	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2487		3898
2488	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2489	eval {	3900	eval {
2490	$cb->($pkg);	3901	$cb->($pkg);
2491	1	3902	1
2492	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2493	}	3908	}
2494		3909
2495	warn "... nuking $pkg";
2496	Symbol::delete_package $pkg;
2497	}
2498
2499	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2500	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		3913
2503	warn "... unloading $k";	3914	trace "... unloading $k";
2504	delete $INC{$k};	3915	delete $INC{$k};
2505		3916
2506	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2508		3919
2509	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2510	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2511	}	3925	}
2512		3926
2513	Symbol::delete_package $k;
2514	}
2515
2516	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3930
2520	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
		3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		3934
2523	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3936	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2526		3938
2527	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2528		3940
2529	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2530	require cf;	3942	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2532		3944
2533	warn "loading config and database again";	3945	trace "loading config and database again";
2534	cf::cfg_load;	3946	cf::reload_config;
2535		3947
2536	warn "loading extensions";	3948	trace "loading extensions";
2537	cf::load_extensions;	3949	cf::load_extensions;
2538		3950
		3951	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
2545		3959
2546	warn "loading reloadable resources";	3960	trace "running post_init jobs";
2547	reload_resources;	3961	(pop @POST_INIT)->(1) while @POST_INIT;
2548		3962
2549	warn "leaving sync_job";	3963	trace "leaving sync_job";
2550		3964
2551	1	3965	1
2552	} or do {	3966	} or do {
2553	warn $@;	3967	error $@;
2554	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2555	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
		3973	}
		3974
		3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
		3977	};
		3978
		3979	our $RELOAD_WATCHER; # used only during reload
		3980
		3981	sub reload_perl() {
		3982	# doing reload synchronously and two reloads happen back-to-back,
		3983	# coro crashes during coro_state_free->destroy here.
		3984
		3985	$RELOAD_WATCHER ||= cf::async {
		3986	Coro::AIO::aio_wait cache_extensions;
		3987
		3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3989	do_reload_perl;
		3990	undef $RELOAD_WATCHER;
		3991	};
2556	};	3992	};
2557		3993	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		3994
2563	register_command "reload" => sub {	3995	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2565		3997
2566	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
2568		4000	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	4001	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	4002	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	4003	};
2581	}	4004	}
2582	};	4005	};
2583		4006
2584	unshift @INC, $LIBDIR;	4007	#############################################################################
2585		4008
2586	my $bug_warning = 0;	4009	my $bug_warning = 0;
2587		4010
2588	$TICK_WATCHER = Event->timer (	4011	our @WAIT_FOR_TICK;
2589	reentrant => 0,	4012	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	4013
2591	prio => 0,	4014	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	4016
2594	cb => sub {	4017	my $signal = new Coro::Signal;
		4018	push @WAIT_FOR_TICK, $signal;
		4019	$signal->wait;
		4020	}
		4021
		4022	sub wait_for_tick_begin {
		4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4024
		4025	my $signal = new Coro::Signal;
		4026	push @WAIT_FOR_TICK_BEGIN, $signal;
		4027	$signal->wait;
		4028	}
		4029
		4030	sub tick {
2595	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2598	return;	4034	return;
2599	}	4035	}
2600		4036
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		4038
		4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4040
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	4043	Coro::async_pool {
		4044	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	4045	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	4046	or error "ERROR: unable to write runtime file: $!";
2612	};
2613	}	4047	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	4048	}
2627	);	4049
		4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4051	$sig->send;
		4052	}
		4053	while (my $sig = shift @WAIT_FOR_TICK) {
		4054	$sig->send;
		4055	}
		4056
		4057	$LOAD = ($NOW - $TICK_START) / $TICK;
		4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4059
		4060	if (0) {
		4061	if ($NEXT_TICK) {
		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
		4066	}
		4067	}
2628		4068
2629	{	4069	{
2630	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	4071
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
2640		4073	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		4075
2656	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		4083
2659	cf::sync_job {	4084	cf::sync_job {
2660	eval {	4085	eval {
2661	BDB::db_env_open	4086	BDB::db_env_open
2662	$DB_ENV,	4087	$DB_ENV,
2663	$BDB_ENV_DIR,	4088	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	4091	0666;
2667		4092
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	4094	};
2673		4095
2674	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	4097	};
2676	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
2677	}	4109	}
2678		4110
2679	{	4111	{
		4112	# configure IO::AIO
		4113
2680	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	4117	}
		4118
		4119	my $_log_backtrace;
		4120
		4121	sub _log_backtrace {
		4122	my ($msg, @addr) = @_;
		4123
		4124	$msg =~ s/\n//;
		4125
		4126	# limit the # of concurrent backtraces
		4127	if ($_log_backtrace < 2) {
		4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
		4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
		4133	my @bt = fork_call {
		4134	@addr = map { sprintf "%x", $_ } @addr;
		4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4137	or die "addr2line: $!";
		4138
		4139	my @funcs;
		4140	my @res = <$fh>;
		4141	chomp for @res;
		4142	while (@res) {
		4143	my ($func, $line) = splice @res, 0, 2, ();
		4144	push @funcs, "[$func] $line";
		4145	}
		4146
		4147	@funcs
		4148	};
		4149
		4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4152	LOG llevInfo, "[ABT] $_\n" for @bt;
		4153	--$_log_backtrace;
		4154	};
		4155	} else {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
		4158	}
		4159	}
		4160
		4161	# load additional modules
		4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2693		4164
2694	END { cf::emergency_save }	4165	END { cf::emergency_save }
2695		4166
2696	1	4167	1
2697		4168

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