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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.529 by root, Wed Apr 28 11:28:22 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	201	every server tick.
102		202
103	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=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.
127		252
128	=back	253	=back
129		254
130	=cut	255	=cut
131		256
132	BEGIN {	257	$Coro::State::WARNHOOK = sub {
133	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	258	my $msg = join "", @_;
135	utf8::encode $msg;
136		259
137	$msg .= "\n"	260	$msg .= "\n"
138	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
139		262
		263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		264
140	LOG llevError, $msg;	265	LOG llevError, $msg;
141	};	266	};
142	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
143		281
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		289
151	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	291	# within the Safe compartment.
153	for my $pkg (qw(	292	for my $pkg (qw(
154	cf::global cf::attachable	293	cf::global cf::attachable
155	cf::object cf::object::player	294	cf::object cf::object::player
156	cf::client cf::player	295	cf::client cf::player
157	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
158	cf::map cf::party cf::region	298	cf::party cf::region
159	)) {	299	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	301	}
163		302
164	$Event::DIED = sub {	303	$EV::DIED = sub {
165	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
166	};	305	};
		306
		307	#############################################################################
167		308
168	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
169		310
170	=over 4	311	=over 4
171		312
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	332	$d
192	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
193	}	334	}
194		335
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
198		337
199	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
200		339
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
209		341
210	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
211		343
212	=cut	344	=cut
213		345
214	sub to_json($) {	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	347
216	JSON::Syck::Dump $_[0]	348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
217	}	363	}
218		364
219	=item cf::lock_wait $string	365	=item cf::lock_wait $string
220		366
221	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
222		368
223	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
224		370
225	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
228	returned.	374	returned.
229		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
230	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
232		381
233	=cut	382	=item $locked = cf::lock_active $string
234		383
235	our %LOCK;	384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
236		389
237	sub lock_wait($) {	390	sub lock_wait($) {
238	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	392	}
246		393
247	sub lock_acquire($) {	394	sub lock_acquire($) {
248	my ($key) = @_;	395	$LOCKS->guard ($_[0])
		396	}
249		397
250	# wait, to be sure we are not locked	398	sub lock_active($) {
251	lock_wait $key;	399	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	400	}
260		401
261	sub freeze_mainloop {	402	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
263		404
264	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	406	}
266	$WRITE_RUNTIME_WATCHER->start;	407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
267	};	472	}
268	$WRITE_RUNTIME_WATCHER->stop;	473	};
269	$TICK_WATCHER->stop;	474
270	$guard	475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
271	}	488	}
272		489
273	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
274		491
275	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		497
281	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
282		499
283	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
284		501
285	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
288		506
289	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
292	fast or be very important.	510	fast or be very important.
…		…
295		513
296	sub sync_job(&) {	514	sub sync_job(&) {
297	my ($job) = @_;	515	my ($job) = @_;
298		516
299	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
		518	my $time = AE::time;
		519
300	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
302		522
303	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	524
305	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
306		526
307	my $busy = 1;	527	my $busy = 1;
308	my @res;	528	my @res;
309		529
310	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	532	@res = eval { $job->() };
312	warn $@ if $@;	533	warn $@ if $@;
313	undef $busy;	534	undef $busy;
314	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
315		536
316	while ($busy) {	537	while ($busy) {
317	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
318	}	542	}
		543	}
		544
		545	my $time = AE::time - $time;
		546
		547	$TICK_START += $time; # do not account sync jobs to server load
319		548
320	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
321	} else {	550	} else {
322	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
323		552
…		…
343	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
344		573
345	$coro	574	$coro
346	}	575	}
347		576
348	sub write_runtime {	577	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		578
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	579	Executes the given code block with the given arguments in a seperate
352	or return;	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
353		583
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	584	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		585
358	aio_fsync $fh	586	sub fork_call(&@) {
359	and return;	587	my ($cb, @args) = @_;
360		588
361	close $fh	589	# we seemingly have to make a local copy of the whole thing,
362	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
363		592
364	aio_rename "$runtime~", $runtime	593	my @res = Coro::Util::fork_eval {
365	and return;	594	reset_signals;
		595	&$cb
		596	}, @args;
366		597
		598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
367	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
		764	}
		765
		766	=item cf::datalog type => key => value, ...
		767
		768	Log a datalog packet of the given type with the given key-value pairs.
		769
		770	=cut
		771
		772	sub datalog($@) {
		773	my ($type, %kv) = @_;
		774	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	775	}
369		776
370	=back	777	=back
371		778
372	=cut	779	=cut
373		780
374	#############################################################################	781	#############################################################################
375		782
376	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
377		784
378	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
381		788
382	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	791	Deliantra).
385		792
386	=over 4	793	=over 4
387		794
388	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
389		796
…		…
433	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
434		841
435	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
437		844
438	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
440		847
441	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
442		849
443	=over 4	850	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	910	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	911	our @CB_MAP = ();
505		912
506	my %attachment;	913	my %attachment;
507		914
		915	sub cf::attachable::thawer_merge {
		916	# simply override everything except _meta
		917	local $_[0]{_meta};
		918	%{$_[0]} = %{$_[1]};
		919	}
		920
508	sub _attach_cb($$$$) {	921	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	922	my ($registry, $event, $prio, $cb) = @_;
510		923
511	use sort 'stable';	924	use sort 'stable';
512		925
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
547		960
548	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		965
553	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	967	my $pkg = shift @arg;
555		968
556	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
586	}	999	}
587		1000
588	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
589	} else {	1002	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	1004	}
592		1005
593	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
594	}	1007	}
595		1008
…		…
597	if (ref $_[0]) {	1010	if (ref $_[0]) {
598	_object_attach @_;	1011	_object_attach @_;
599	} else {	1012	} else {
600	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
601	}	1014	}
		1015	_recalc_want;
602	};	1016	};
603		1017
604	# all those should be optimised	1018	# all those should be optimised
605	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1024	reattach ($obj);
611	} else {	1025	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
613	}	1027	}
		1028	_recalc_want;
614	};	1029	};
615		1030
616	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
618		1033
…		…
633	";	1048	";
634	die if $@;	1049	die if $@;
635	}	1050	}
636		1051
637	our $override;	1052	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1054
640	sub override {	1055	sub override {
641	$override = 1;	1056	$override = 1;
642	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
643	}	1058	}
644		1059
645	sub do_invoke {	1060	sub do_invoke {
646	my $event = shift;	1061	my $event = shift;
647	my $callbacks = shift;	1062	my $callbacks = shift;
648		1063
649	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
650		1065
651	local $override;	1066	local $override;
652		1067
653	for (@$callbacks) {	1068	for (@$callbacks) {
654	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
663	}	1078	}
664		1079
665	0	1080	0
666	}	1081	}
667		1082
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1084
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1086
672	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
673		1088
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1092
678	=back	1093	=back
679		1094
680	=cut	1095	=cut
681		1096
682	#############################################################################	1097	#############################################################################
683	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
684		1141
685	sub reattach {	1142	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1144	my ($obj) = @_;
		1145
		1146	# no longer needed after getting rid of delete_package?
		1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1148
689	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
690		1150
691	@$registry = ();	1151	@$registry = ();
692		1152
…		…
707	cf::attachable->attach (	1167	cf::attachable->attach (
708	prio => -1000000,	1168	prio => -1000000,
709	on_instantiate => sub {	1169	on_instantiate => sub {
710	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
711		1171
712	$data = from_json $data;	1172	$data = decode_json $data;
713		1173
714	for (@$data) {	1174	for (@$data) {
715	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
716		1176
717	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1193	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
735		1195
736	sync_job {	1196	sync_job {
737	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
740		1202
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1206	if ($cf::USE_FSYNC) {
		1207	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;
744	aio_fsync $fh;	1208	aio_fsync $fh;
		1209	}
745	close $fh;	1210	aio_close $fh;
746		1211
747	if (@$objs) {	1212	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
		1217	if ($cf::USE_FSYNC) {
		1218	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752	aio_fsync $fh;	1219	aio_fsync $fh;
		1220	}
753	close $fh;	1221	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
755	}	1223	}
756	} else {	1224	} else {
757	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
758	}	1226	}
759		1227
760	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
761	} else {	1232	} else {
762	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
763	}	1234	}
764	} else {	1235	} else {
765	aio_unlink $filename;	1236	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
767	}	1238	}
768	}	1239	};
769	}	1240	}
770		1241
771	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
773		1244
…		…
785	or return;	1256	or return;
786		1257
787	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
789	or return;	1260	or return;
		1261
790	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
791	}	1264	}
792		1265
		1266	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
795	return ($data, $av);	1271	($data, $av)
796	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
797		1279
798	#############################################################################	1280	#############################################################################
799	# command handling &c	1281	# command handling &c
800		1282
801	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1297	}
816		1298
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1300
819	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
820		1306
821	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
822	called.	1308	called.
823		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
824	=cut	1321	=cut
825		1322
826	sub register_extcmd {	1323	sub register_extcmd {
827	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
828		1325
829	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
830	}	1327	}
831		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
832	cf::player->attach (	1337	cf::player->attach (
833	on_command => sub {	1338	on_unknown_command => sub {
834	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
835		1340
836	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
837	or return;	1342	or return;
838		1343
…		…
843	cf::override;	1348	cf::override;
844	},	1349	},
845	on_extcmd => sub {	1350	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
847		1352
848	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1354
850	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
856	} else {	1370	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1372	}
859		1373
860	cf::override;	1374	cf::override;
861	},	1375	},
862	);	1376	);
863		1377
		1378	# "readahead" all extensions
864	sub load_extension {	1379	sub cache_extensions {
865	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
866		1381
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
869	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}	1385	}
892	die $@;
893	}	1386	};
894		1387
895	push @EXTS, $pkg;	1388	$grp
896	}	1389	}
897		1390
898	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
899	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1396	next unless -r $path;
901	eval {	1397
902	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
903	1	1461	}
904	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
905	}	1472	};
906	}	1473	}
907		1474
908	#############################################################################	1475	#############################################################################
909		1476
		1477	=back
		1478
910	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
911		1480
912	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
913		1482
914	=cut	1483	=cut
915		1484
916	package cf::player;	1485	package cf::player;
917		1486
…		…
919		1488
920	=head3 cf::player	1489	=head3 cf::player
921		1490
922	=over 4	1491	=over 4
923		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
		1506
924	=item cf::player::find $login	1507	=item cf::player::find $login
925		1508
926	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
927		1510
928	=cut	1511	=cut
929		1512
930	sub playerdir($) {	1513	sub playerdir($) {
931	cf::localdir	1514	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1516	}
937		1517
938	sub path($) {	1518	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1520
941	(playerdir $login) . "/$login.pl"	1521	(playerdir $login) . "/playerdata"
942	}	1522	}
943		1523
944	sub find_active($) {	1524	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1525	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1526	and $cf::PLAYER{$_[0]}->active
…		…
949		1529
950	sub exists($) {	1530	sub exists($) {
951	my ($login) = @_;	1531	my ($login) = @_;
952		1532
953	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1534	or !aio_stat path $login
955	}	1535	}
956		1536
957	sub find($) {	1537	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1539	my $login = $_[0];
960		1540
961	my $guard = cf::lock_acquire "user_find:$login";	1541	my $guard = cf::lock_acquire "user_find:$login";
962		1542
963	$cf::PLAYER{$_[0]} || do {	1543	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1544	# rename old playerfiles to new ones
		1545	#TODO: remove when no longer required
		1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1549	aio_unlink +(playerdir $login) . "/$login.pl";
		1550
		1551	my $f = new_from_file cf::object::thawer path $login
965	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
967	}	1560	}
968	}	1561	}
969	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
970		1576
971	sub save($) {	1577	sub save($) {
972	my ($pl) = @_;	1578	my ($pl) = @_;
973		1579
974	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
979	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
980		1586
981	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
983		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
984	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
985	Coro::cede;	1596	cf::cede_to_tick;
986	}	1597	}
987		1598
988	sub new($) {	1599	sub new($) {
989	my ($login) = @_;	1600	my ($login) = @_;
990		1601
…		…
996	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
997		1608
998	$self	1609	$self
999	}	1610	}
1000		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1001	=item $pl->quit_character	1622	=item $pl->quit_character
1002		1623
1003	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1005		1626
1006	=cut	1627	=cut
1007		1628
1008	sub quit_character {	1629	sub quit_character {
1009	my ($pl) = @_;	1630	my ($pl) = @_;
1010		1631
		1632	my $name = $pl->ob->name;
		1633
1011	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1013		1636
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1018		1642
1019	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1645	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1646	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1647	$pl->destroy;
		1648
		1649	my $prefix = qr<^~\Q$name\E/>;
		1650
		1651	# nuke player maps
		1652	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1653
1024	IO::AIO::aio_rmtree $temp;	1654	IO::AIO::aio_rmtree $temp;
		1655	}
		1656
		1657	=item $pl->kick
		1658
		1659	Kicks a player out of the game. This destroys the connection.
		1660
		1661	=cut
		1662
		1663	sub kick {
		1664	my ($pl, $kicker) = @_;
		1665
		1666	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1667	$pl->killer ("kicked");
		1668	$pl->ns->destroy;
1025	}	1669	}
1026		1670
1027	=item cf::player::list_logins	1671	=item cf::player::list_logins
1028		1672
1029	Returns am arrayref of all valid playernames in the system, can take a	1673	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1674	while and may block, so not sync_job-capable, ever.
1031		1675
1032	=cut	1676	=cut
1033		1677
1034	sub list_logins {	1678	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1679	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1680	or return [];
1037		1681
1038	my @logins;	1682	my @logins;
1039		1683
1040	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1044		1694
1045	utf8::decode $login;	1695	utf8::decode $login;
1046	push @logins, $login;	1696	push @logins, $login;
1047	}	1697	}
1048		1698
1049	\@logins	1699	\@logins
1050	}	1700	}
1051		1701
1052	=item $player->maps	1702	=item $player->maps
1053		1703
		1704	=item cf::player::maps $login
		1705
1054	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1055	player. May block.	1707	player. May block.
1056		1708
1057	=cut	1709	=cut
1058		1710
1059	sub maps($) {	1711	sub maps($) {
1060	my ($pl) = @_;	1712	my ($pl) = @_;
		1713
		1714	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1715
1062	my $files = aio_readdir playerdir $pl	1716	my $files = aio_readdir playerdir $pl
1063	or return;	1717	or return;
1064		1718
1065	my @paths;	1719	my @paths;
…		…
1067	for (@$files) {	1721	for (@$files) {
1068	utf8::decode $_;	1722	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1723	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1724	next unless /^$PATH_SEP/o;
1071		1725
1072	s/\.map$//;	1726	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1727	}
1075		1728
1076	\@paths	1729	\@paths
1077	}	1730	}
1078		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1080		1737
1081	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1082		1739
1083	=cut	1740	=cut
1084		1741
1085	sub ext_reply($$$%) {	1742	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1087		1744
1088	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1746	}
1092		1747
1093	package cf;	1748	=item $player->ext_msg ($type, @msg)
		1749
		1750	Sends an ext event to the client.
		1751
		1752	=cut
		1753
		1754	sub ext_msg($$@) {
		1755	my ($self, $type, @msg) = @_;
		1756
		1757	$self->ns->ext_msg ($type, @msg);
		1758	}
		1759
		1760	=head3 cf::region
		1761
		1762	=over 4
		1763
		1764	=cut
		1765
		1766	package cf::region;
		1767
		1768	=item cf::region::find_by_path $path
		1769
		1770	Tries to decuce the likely region for a map knowing only its path.
		1771
		1772	=cut
		1773
		1774	sub find_by_path($) {
		1775	my ($path) = @_;
		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
		1779	my ($match, $specificity);
		1780
		1781	for my $region (list) {
		1782	if ($region->{match} && $path =~ $region->{match}) {
		1783	($match, $specificity) = ($region, $region->specificity)
		1784	if $region->specificity > $specificity;
		1785	}
		1786	}
		1787
		1788	$match
		1789	}
1094		1790
1095	=back	1791	=back
1096
1097		1792
1098	=head3 cf::map	1793	=head3 cf::map
1099		1794
1100	=over 4	1795	=over 4
1101		1796
…		…
1105		1800
1106	use Fcntl;	1801	use Fcntl;
1107	use Coro::AIO;	1802	use Coro::AIO;
1108		1803
1109	use overload	1804	use overload
1110	'""' => \&as_string;	1805	'""' => \&as_string,
		1806	fallback => 1;
1111		1807
1112	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1114		1810
1115	sub generate_random_map {	1811	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1815
1118	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1817	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1123	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1124	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1125	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1126	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1827	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1828	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1829	)
1132	}	1830	}
1133		1831
		1832	=item cf::map->register ($regex, $prio)
		1833
		1834	Register a handler for the map path matching the given regex at the
		1835	givne priority (higher is better, built-in handlers have priority 0, the
		1836	default).
		1837
		1838	=cut
		1839
1134	sub register {	1840	sub register {
1135	my (undef, $regex) = @_;	1841	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1842	my $pkg = caller;
1137		1843
1138	no strict;	1844	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1845	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1846
1141	$EXT_MAP{$pkg} = qr<$regex>;	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1848	}
1143		1849
1144	# also paths starting with '/'	1850	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1852
		1853	sub thawer_merge {
		1854	my ($self, $merge) = @_;
		1855
		1856	# we have to keep some variables in memory intact
		1857	local $self->{path};
		1858	local $self->{load_path};
		1859
		1860	$self->SUPER::thawer_merge ($merge);
		1861	}
1146		1862
1147	sub normalise {	1863	sub normalise {
1148	my ($path, $base) = @_;	1864	my ($path, $base) = @_;
		1865
		1866	$path = "$path"; # make sure its a string
		1867
		1868	$path =~ s/\.map$//;
1149		1869
1150	# map plan:	1870	# map plan:
1151	#	1871	#
1152	# /! non-realised random map exit (special hack!)	1872	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1873	# {... are special paths that are not being touched
…		…
1181		1901
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1902	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1903
1184	$path = normalise $path, $base;	1904	$path = normalise $path, $base;
1185		1905
1186	for my $pkg (keys %EXT_MAP) {	1906	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1907	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1908	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1909	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1191	return $self;	1911	return $self;
1192	}	1912	}
1193	}	1913	}
1194		1914
1195	Carp::carp "unable to resolve path '$path'.";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1916	()
1197	}	1917	}
1198		1918
1199	sub init {	1919	sub init {
1200	my ($self) = @_;	1920	my ($self) = @_;
…		…
1215		1935
1216	# the original (read-only) location	1936	# the original (read-only) location
1217	sub load_path {	1937	sub load_path {
1218	my ($self) = @_;	1938	my ($self) = @_;
1219		1939
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1940	"$MAPDIR/$self->{path}.map"
1221	}	1941	}
1222		1942
1223	# the temporary/swap location	1943	# the temporary/swap location
1224	sub save_path {	1944	sub save_path {
1225	my ($self) = @_;	1945	my ($self) = @_;
1226		1946
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1948	"$TMPDIR/$path.map"
1229	}	1949	}
1230		1950
1231	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1232	sub uniq_path {	1952	sub uniq_path {
1233	my ($self) = @_;	1953	my ($self) = @_;
1234		1954
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1956	"$UNIQUEDIR/$path"
1237	}	1957	}
1238		1958
1239	# and all this just because we cannot iterate over	1959	sub decay_objects {
1240	# all maps in C++...
1241	sub change_all_map_light {
1242	my ($change) = @_;	1960	my ($self) = @_;
1243		1961
1244	$_->change_map_light ($change)	1962	return if $self->{deny_reset};
1245	for grep $_->outdoor, values %cf::MAP;	1963
		1964	$self->do_decay_objects;
1246	}	1965	}
1247		1966
1248	sub unlink_save {	1967	sub unlink_save {
1249	my ($self) = @_;	1968	my ($self) = @_;
1250		1969
1251	utf8::encode (my $save = $self->save_path);	1970	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1971	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1972	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1973	}
1255		1974
1256	sub load_header_from($) {	1975	sub load_header_from($) {
1257	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1258		1977
1259	utf8::encode $path;	1978	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1261	or return;	1980	or return;
1262		1981
1263	$self->_load_header ($path)	1982	$self->_load_header ($f)
1264	or return;	1983	or return;
1265		1984
		1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
		1987
1266	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1267		1989
1268	1	1990	1
1269	}	1991	}
1270		1992
1271	sub load_orig {	1993	sub load_header_orig {
1272	my ($self) = @_;	1994	my ($self) = @_;
1273		1995
1274	$self->load_header_from ($self->load_path)	1996	$self->load_header_from ($self->load_path)
1275	}	1997	}
1276		1998
1277	sub load_temp {	1999	sub load_header_temp {
1278	my ($self) = @_;	2000	my ($self) = @_;
1279		2001
1280	$self->load_header_from ($self->save_path)	2002	$self->load_header_from ($self->save_path)
		2003	}
		2004
		2005	sub prepare_temp {
		2006	my ($self) = @_;
		2007
		2008	$self->last_access ((delete $self->{last_access})
		2009	|| $cf::RUNTIME); #d#
		2010	# safety
		2011	$self->{instantiate_time} = $cf::RUNTIME
		2012	if $self->{instantiate_time} > $cf::RUNTIME;
		2013	}
		2014
		2015	sub prepare_orig {
		2016	my ($self) = @_;
		2017
		2018	$self->{load_original} = 1;
		2019	$self->{instantiate_time} = $cf::RUNTIME;
		2020	$self->last_access ($cf::RUNTIME);
		2021	$self->instantiate;
1281	}	2022	}
1282		2023
1283	sub load_header {	2024	sub load_header {
1284	my ($self) = @_;	2025	my ($self) = @_;
1285		2026
1286	if ($self->load_temp) {	2027	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2028	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2029	} else {
1293	$self->load_orig	2030	$self->load_header_orig
1294	or return;	2031	or return;
1295		2032	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2033	}
		2034
		2035	$self->{deny_reset} = 1
		2036	if $self->no_reset;
		2037
		2038	$self->default_region (cf::region::find_by_path $self->{path})
		2039	unless $self->default_region;
1301		2040
1302	1	2041	1
1303	}	2042	}
1304		2043
1305	sub find;	2044	sub find;
1306	sub find {	2045	sub find {
1307	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1308		2047
1309	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1310		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1312		2052
1313	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";
1315	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1316	or return;	2055	or return;
1317		2056
1318	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1319		2058
1320	$map->load_header	2059	$map->load_header
1321	or return;	2060	or return;
1322		2061
1323	if ($map->should_reset) {	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2063	# doing this can freeze the server in a sync job, obviously
		2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1324	$map->reset;	2067	$map->reset;
1325	undef $guard;
1326	$map = find $path	2068	return find $path;
1327	or return;
1328	}	2069	}
1329		2070
1330	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1331	}	2072	}
1332	}	2073	}
		2074
		2075	sub pre_load { }
		2076	#sub post_load { } # XS
1333		2077
1334	sub load {	2078	sub load {
1335	my ($self) = @_;	2079	my ($self) = @_;
1336		2080
		2081	local $self->{deny_reset} = 1; # loading can take a long time
		2082
1337	my $path = $self->{path};	2083	my $path = $self->{path};
		2084
		2085	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1339		2087
		2088	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2090
1342	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1343		2092
1344	$self->alloc;	2093	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2094
		2095	$self->pre_load;
		2096	cf::cede_to_tick;
		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
		2100	$self->_load_objects ($f)
1346	or return;	2101	or return;
1347		2102
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1349	if delete $self->{load_original};	2104	if delete $self->{load_original};
1350		2105
1351	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2107	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2110	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1356	}	2114	}
1357	}	2115	}
1358		2116
1359	Coro::cede;	2117	$f->resolve_delayed_derefs;
1360		2118
		2119	cf::cede_to_tick;
1361	# now do the right thing for maps	2120	# now do the right thing for maps
1362	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2123	unless $self->difficulty;
1372	Coro::cede;	2124	cf::cede_to_tick;
		2125
		2126	unless ($self->{deny_activate}) {
		2127	$self->decay_objects;
		2128	$self->fix_auto_apply;
		2129	$self->update_buttons;
		2130	cf::cede_to_tick;
1373	$self->activate;	2131	$self->activate;
1374	}	2132	}
1375		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
1377	}	2138	}
1378		2139
		2140	$self->post_load;
		2141	}
		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1379	sub customise_for {	2146	sub customise_for {
1380	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1381		2148
1382	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2150	if $self->per_player;
1384		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
1385	$self	2155	$self
1386	}	2156	}
1387		2157
1388	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2159	sub load_neighbours {
1390	my ($map) = @_;	2160	my ($map) = @_;
1391		2161
1392	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1393		2163
1394	for (0 .. 3) {	2164	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1396	or next;	2166	or next;
1397	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1398	or next;	2168	or next;
1399	$neigh->load;	2169	$neigh->load;
1400		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2175	}
1404		2176
1405	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1407	or next;	2180	or next;
1408	$neigh->load;	2181	$neigh->load;
1409	}	2182	}
1410	}	2183	}
1411		2184
…		…
1416	}	2189	}
1417		2190
1418	sub do_load_sync {	2191	sub do_load_sync {
1419	my ($map) = @_;	2192	my ($map) = @_;
1420		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1421	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1422	}	2198	}
1423		2199
1424	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2201	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2202
1438	sub find_async {	2203	sub find_async {
1439	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1440		2205
1441	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1442		2207
1443	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2210	}
		2211
		2212	$MAP_PREFETCH{$path} |= $load;
		2213
		2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
		2217	while (%MAP_PREFETCH) {
		2218	while (my ($k, $v) = each %MAP_PREFETCH) {
		2219	if (my $map = find $k) {
		2220	$map->load if $v;
		2221	}
		2222
		2223	delete $MAP_PREFETCH{$k};
		2224	}
		2225	}
		2226	undef $MAP_PREFETCHER;
1445	}	2227	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2228	$MAP_PREFETCHER->prio (6);
1449		2229
1450	()	2230	()
1451	}	2231	}
1452		2232
		2233	# common code, used by both ->save and ->swapout
1453	sub save {	2234	sub _save {
1454	my ($self) = @_;	2235	my ($self) = @_;
1455
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;
1457		2236
1458	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1459		2238
1460	return unless $self->dirty;	2239	return unless $self->dirty;
1461		2240
…		…
1467	return if $self->{deny_save};	2246	return if $self->{deny_save};
1468		2247
1469	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1470		2249
1471	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1473	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1474		2256
1475	if ($uniq) {	2257	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2260	} else {
1479	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1480	}	2262	}
1481	}	2263	}
1482		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1483	sub swap_out {	2273	sub swap_out {
1484	my ($self) = @_;	2274	my ($self) = @_;
1485		2275
1486	# save first because save cedes
1487	$self->save;
1488
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1491	return if $self->players;	2280	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};
1494		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1495	$self->clear;	2291	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2292	}
1498		2293
1499	sub reset_at {	2294	sub reset_at {
1500	my ($self) = @_;	2295	my ($self) = @_;
1501		2296
1502	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1505		2299
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2302
…		…
1513	my ($self) = @_;	2307	my ($self) = @_;
1514		2308
1515	$self->reset_at <= $cf::RUNTIME	2309	$self->reset_at <= $cf::RUNTIME
1516	}	2310	}
1517		2311
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2312	sub reset {
1533	my ($self) = @_;	2313	my ($self) = @_;
1534		2314
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2316
1537	return if $self->players;	2317	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2318
1540	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
		2320
		2321	$self->in_memory (cf::MAP_SWAPPED);
		2322
		2323	# need to save uniques path
		2324	unless ($self->{deny_save}) {
		2325	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2326
		2327	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2328	if $uniq;
		2329	}
1541		2330
1542	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1543		2332
1544	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2335	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2336
1549	$self->unlink_save;	2337	$self->unlink_save;
1550	$self->destroy;	2338	$self->destroy;
1551	}	2339	}
1552		2340
1553	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1554		2342
1555	sub nuke {	2343	sub nuke {
1556	my ($self) = @_;	2344	my ($self) = @_;
1557		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
		2349	delete $cf::MAP{$self->path};
		2350
		2351	$self->unlink_save;
		2352
		2353	bless $self, "cf::map::wrap";
		2354	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2358
		2359	$cf::MAP{$self->path} = $self;
		2360	}
		2361
1561	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
		2363	}
		2364
		2365	=item $maps = cf::map::tmp_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	maps. May block.
		2369
		2370	=cut
		2371
		2372	sub tmp_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise $_
		2378	: ()
		2379	} @{ aio_readdir $TMPDIR or [] }
		2380	]
		2381	}
		2382
		2383	=item $maps = cf::map::random_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	random maps. May block.
		2387
		2388	=cut
		2389
		2390	sub random_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise "?random/$_"
		2396	: ()
		2397	} @{ aio_readdir $RANDOMDIR or [] }
		2398	]
1562	}	2399	}
1563		2400
1564	=item cf::map::unique_maps	2401	=item cf::map::unique_maps
1565		2402
1566	Returns an arrayref of paths of all shared maps that have	2403	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2404	instantiated unique items. May block.
1568		2405
1569	=cut	2406	=cut
1570		2407
1571	sub unique_maps() {	2408	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2409	[
1573	or return;	2410	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2411	utf8::decode $_;
1579	next if /\.pst$/;	2412	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
		2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
		2417	]
		2418	}
1581		2419
		2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
1582	s/\.map$//;	2441	s/\.map$// or next;
1583	push @paths, $_;	2442	utf8::decode $_;
1584	}	2443	push @maps, "$dir/$_";
		2444	}
1585		2445
1586	\@paths	2446	push @dirs, map "$dir/$_", @$dirs;
1587	}	2447	}
1588		2448
1589	package cf;	2449	\@maps
		2450	}
1590		2451
1591	=back	2452	=back
1592		2453
1593	=head3 cf::object	2454	=head3 cf::object
1594		2455
…		…
1598		2459
1599	=over 4	2460	=over 4
1600		2461
1601	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
1602		2463
1603	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
1604		2466
1605	=cut	2467	=cut
1606		2468
1607	sub inv_recursive_;	2469	sub inv_recursive_;
1608	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
1611		2473
1612	sub inv_recursive {	2474	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
1614	}	2476	}
1615		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
		2504	}
		2505
1616	package cf;	2506	package cf;
1617		2507
1618	=back	2508	=back
1619		2509
1620	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1629		2519
1630	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1631		2535
1632	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2537	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1637		2541
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2543
1640	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1642	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1645	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1646	}	2569	}
1647		2570
1648	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1649		2572
1650	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1663		2586
1664	=item $player_object->enter_link	2587	=item $player_object->enter_link
1665		2588
1666	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1667		2590
1668	The player should be reasonably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1669	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
1670		2595
1671	Will never block.	2596	Will never block.
1672		2597
1673	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1674		2599
…		…
1682	=cut	2607	=cut
1683		2608
1684	sub link_map {	2609	sub link_map {
1685	unless ($LINK_MAP) {	2610	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2611	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2612	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2613	$LINK_MAP->load;
1689	}	2614	}
1690		2615
1691	$LINK_MAP	2616	$LINK_MAP
1692	}	2617	}
…		…
1694	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1695	my ($self) = @_;	2620	my ($self) = @_;
1696		2621
1697	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1698		2623
		2624	++$self->{_link_recursion};
		2625
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2627
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2629	if $self->map && $self->map->{path} ne "{link}";
1703		2630
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1705	}	2632	}
1706		2633
1707	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
		2636
		2637	return unless $self->contr->active;
1709		2638
1710	my $link_pos = delete $self->{_link_pos};	2639	my $link_pos = delete $self->{_link_pos};
1711		2640
1712	unless ($map) {	2641	unless ($map) {
1713	# restore original map position	2642	# restore original map position
…		…
1724	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1725	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1726		2655
1727	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1730		2659
1731	$map->load;	2660	$map->load;
1732	$map->load_diag;	2661	$map->load_neighbours;
1733		2662
1734	return unless $self->contr->active;	2663	return unless $self->contr->active;
		2664
		2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2666	if ($self->enter_map ($map, $x, $y)) {
		2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
1735	$self->activate_recursive;	2670	$self->activate_recursive;
1736	$self->enter_map ($map, $x, $y);
1737	}
1738
1739	cf::player->attach (
1740	on_logout => sub {
1741	my ($pl) = @_;
1742
1743	# abort map switching before logout
1744	if ($pl->ob->{_link_pos}) {
1745	cf::sync_job {
1746	$pl->ob->leave_link
1747	};
1748	}
1749	},	2671	}
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2672
1753	# try to abort aborted map switching on player login :)	2673	}
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2674
1771	=item $player_object->goto ($path, $x, $y)	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1772		2676
		2677	Moves the player to the given map-path and coordinates by first freezing
		2678	her, loading and preparing them map, calling the provided $check callback
		2679	that has to return the map if sucecssful, and then unfreezes the player on
		2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
		2685
1773	=cut	2686	=cut
		2687
		2688	our $GOTOGEN;
1774		2689
1775	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
		2698
		2699	# do generation counting so two concurrent goto's will be executed in-order
		2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2701
1778	$self->enter_link;	2702	$self->enter_link;
1779		2703
1780	(async {	2704	(async {
1781	my $map = cf::map::find $path;	2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
		2726	my $map = eval {
		2727	my $map = defined $path ? cf::map::find $path : undef;
		2728
		2729	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2730	$map = $map->customise_for ($self);
1783		2731	$map = $check->($map, $x, $y, $self) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2732	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2734	}
1788		2735
		2736	$map
		2737	};
		2738
		2739	if ($@) {
		2740	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	LOG llevError | logBacktrace, Carp::longmess $@;
		2742	}
		2743
		2744	if ($gen == $self->{_goto_generation}) {
		2745	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
		2747	}
		2748
		2749	$done->($self) if $done;
1790	})->prio (1);	2750	})->prio (1);
1791	}	2751	}
1792		2752
1793	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1794		2754
…		…
1796		2756
1797	sub parse_random_map_params {	2757	sub parse_random_map_params {
1798	my ($spec) = @_;	2758	my ($spec) = @_;
1799		2759
1800	my $rmp = { # defaults	2760	my $rmp = { # defaults
1801	xsize => 10,	2761	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2762	ysize => (cf::rndm 15, 40),
		2763	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2764	#layout => string,
1803	};	2765	};
1804		2766
1805	for (split /\n/, $spec) {	2767	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2768	my ($k, $v) = split /\s+/, $_, 2;
1807		2769
…		…
1819	# that depends on the exit object	2781	# that depends on the exit object
1820		2782
1821	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
1822		2784
1823	if ($exit->map) {	2785	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2786	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
1828	}	2792	}
1829		2793
1830	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
1831		2795
1832	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
		2798	my $meta = "$RANDOMDIR/$md5.meta";
1834		2799
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
		2802	undef $fh;
		2803	aio_rename "$meta~", $meta;
1837		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
1840	}	2811	}
1841	}	2812	}
1842		2813
1843	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
1847		2818
1848	$self->enter_link;	2819	$self->enter_link;
1849		2820
1850	(async {	2821	(async {
1851	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
1852	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
1853	prepare_random_map $exit	2831	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2832	if $exit->slaying eq "/!";
		2833	}
1855		2834
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
1858		2838
		2839	$self->goto ($map, $x, $y);
		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
1859	1;	2845	1
1860	}) {	2846	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
1862	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2851
1866	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2853	$self->leave_link;
1868	}	2854	}
1869	})->prio (1);	2855	})->prio (1);
…		…
1882		2868
1883	sub cf::client::send_drawinfo {	2869	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2870	my ($self, $text, $flags) = @_;
1885		2871
1886	utf8::encode $text;	2872	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2874	}
1889		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
		3063	=item $client->ext_msg ($type, @msg)
		3064
		3065	Sends an ext event to the client.
		3066
		3067	=cut
		3068
		3069	sub cf::client::ext_msg($$@) {
		3070	my ($self, $type, @msg) = @_;
		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
		3075	push @msg, msgtype => "event_$type";
		3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
1890		3097
1891	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
1892		3099
1893	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		3103
1897	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	3105	become reliable at some point in the future.
1899		3106
1900	=cut	3107	=cut
1901		3108
1902	sub cf::client::query {	3109	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	3118	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		3120
1914	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
1916	}	3125	}
1917		3126
1918	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
1919	on_reply => sub {	3133	on_reply => sub {
1920	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
1921		3135
1922	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
1923	# get handled first	3137	# get handled first
1924	my $queue = delete $ns->{query_queue}	3138	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3139	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3140
1927	(shift @$queue)->[1]->($msg);	3141	(shift @$queue)->[1]->($msg);
		3142	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3143
1929	push @{ $ns->{query_queue} }, @$queue;	3144	push @{ $ns->{query_queue} }, @$queue;
1930		3145
1931	if (@{ $ns->{query_queue} } == @$queue) {	3146	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3147	if (@$queue) {
…		…
1934	} else {	3149	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3151	}
1937	}	3152	}
1938	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
1939	);	3180	);
1940		3181
1941	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
1942		3183
1943	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
1959		3200
1960	$coro	3201	$coro
1961	}	3202	}
1962		3203
1963	cf::client->attach (	3204	cf::client->attach (
1964	on_destroy => sub {	3205	on_client_destroy => sub {
1965	my ($ns) = @_;	3206	my ($ns) = @_;
1966		3207
1967	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1968	},	3209	},
1969	);	3210	);
…		…
1984	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
1986		3227
1987	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
1988		3229
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
1990		3235
1991	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
1992		3237
1993	=pod	3238	=pod
1994		3239
1995	The following fucntions and emthods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
1996		3241
1997	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
1998	cf::object::player player	3247	cf::object::player
1999	cf::player peaceful	3248	player
2000	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2001		3255
2002	=cut	3256	=cut
2003		3257
2004	for (	3258	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
2006	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2008	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2009	) {	3265	) {
2010	no strict 'refs';	3266	no strict 'refs';
2011	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2012	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2030		3286
2031	my $qcode = $code;	3287	my $qcode = $code;
2032	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2033	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2034		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2035	local $_;	3294	local $_;
2036	local @safe::cf::_safe_eval_args = values %vars;
2037		3295
2038	my $eval =	3296	my $eval =
2039	"do {\n"	3297	"do {\n"
2040	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2041	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2042	. $code	3300	. $code
2043	. "\n}"	3301	. "\n}"
2044	;	3302	;
2045		3303
		3304	if ($CFG{safe_eval}) {
2046	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2047	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2048	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2049		3313
2050	if ($@) {	3314	if ($@) {
2051	warn "$@";	3315	warn "$@";
2052	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2053	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2072	=cut	3336	=cut
2073		3337
2074	sub register_script_function {	3338	sub register_script_function {
2075	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2076		3340
2077	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2078	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2079	}	3343	}
2080		3344
2081	=back	3345	=back
2082		3346
2083	=cut	3347	=cut
2084		3348
2085	#############################################################################	3349	#############################################################################
		3350	# the server's init and main functions
2086		3351
2087	=head2 EXTENSION DATABASE SUPPORT	3352	sub load_facedata($) {
		3353	my ($path) = @_;
2088		3354
2089	Crossfire maintains a very simple database for extension use. It can	3355	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3356	# for this (global event?)
2091	excludes objects.	3357	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3358
2093	The parameter C<$family> should best start with the name of the extension	3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3360
2096	=over 4	3361	warn "loading facedata from $path\n";
2097		3362
2098	=item $hashref = cf::db_get $family	3363	my $facedata;
		3364	0 < aio_load $path, $facedata
		3365	or die "$path: $!";
2099		3366
2100	Return a hashref for use by the extension C<$family>, which can be	3367	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3368
2104	=item $value = cf::db_get $family => $key	3369	$facedata->{version} == 2
		3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3371
2106	Returns a single value from the database	3372	# patch in the exptable
2107		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2108	=item cf::db_put $family => $hashref	3374	$facedata->{resource}{"res/exp_table"} = {
2109		3375	type => FT_RSRC,
2110	Stores the given family hashref into the database. Updates are delayed, if	3376	data => $exp_table,
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3377	hash => (Digest::MD5::md5 $exp_table),
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3378	};
		3379	cf::cede_to_tick;
2159		3380
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3381	{
		3382	my $faces = $facedata->{faceinfo};
2164		3383
2165	sub db_get($;$) {	3384	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3386
2171	sub db_put($$;$) {	3387	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3388	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2174	} else {	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3391
2180	cf::global->attach (	3392	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3393	}
2185	);
2186	}
2187		3394
2188	#############################################################################	3395	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3396	next unless $info->{smooth};
2190		3397
2191	sub cfg_load {	3398	my $idx = cf::face::find $face
		3399	or next;
		3400
		3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
		3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3404	} else {
		3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3406	}
		3407
		3408	cf::cede_to_tick;
		3409	}
		3410	}
		3411
		3412	{
		3413	my $anims = $facedata->{animinfo};
		3414
		3415	while (my ($anim, $info) = each %$anims) {
		3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3417	cf::cede_to_tick;
		3418	}
		3419
		3420	cf::anim::invalidate_all; # d'oh
		3421	}
		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info;
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
		3442	1
		3443	}
		3444
		3445	cf::global->attach (on_resource_update => sub {
		3446	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3447	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3448
		3449	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3450	my $sound = $soundconf->{compat}[$_]
		3451	or next;
		3452
		3453	my $face = cf::face::find "sound/$sound->[1]";
		3454	cf::sound::set $sound->[0] => $face;
		3455	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3456	}
		3457
		3458	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3459	my $face = cf::face::find "sound/$v";
		3460	cf::sound::set $k => $face;
		3461	}
		3462	}
		3463	});
		3464
		3465	register_exticmd fx_want => sub {
		3466	my ($ns, $want) = @_;
		3467
		3468	while (my ($k, $v) = each %$want) {
		3469	$ns->fx_want ($k, $v);
		3470	}
		3471	};
		3472
		3473	sub load_resource_file($) {
		3474	my $guard = lock_acquire "load_resource_file";
		3475
		3476	my $status = load_resource_file_ $_[0];
		3477	get_slot 0.1, 100;
		3478	cf::arch::commit_load;
		3479
		3480	$status
		3481	}
		3482
		3483	sub reload_regions {
		3484	# HACK to clear player env face cache, we need some signal framework
		3485	# for this (global event?)
		3486	%ext::player_env::MUSIC_FACE_CACHE = ();
		3487
		3488	load_resource_file "$MAPDIR/regions"
		3489	or die "unable to load regions file\n";
		3490
		3491	for (cf::region::list) {
		3492	$_->{match} = qr/$_->{match}/
		3493	if exists $_->{match};
		3494	}
		3495	}
		3496
		3497	sub reload_facedata {
		3498	load_facedata "$DATADIR/facedata"
		3499	or die "unable to load facedata\n";
		3500	}
		3501
		3502	sub reload_archetypes {
		3503	load_resource_file "$DATADIR/archetypes"
		3504	or die "unable to load archetypes\n";
		3505	}
		3506
		3507	sub reload_treasures {
		3508	load_resource_file "$DATADIR/treasures"
		3509	or die "unable to load treasurelists\n";
		3510	}
		3511
		3512	sub reload_resources {
		3513	warn "reloading resource files...\n";
		3514
		3515	reload_facedata;
		3516	reload_archetypes;
		3517	reload_regions;
		3518	reload_treasures;
		3519
		3520	warn "finished reloading resource files\n";
		3521	}
		3522
		3523	sub reload_config {
		3524	warn "reloading config file...\n";
		3525
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3526	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3527	or return;
2194		3528
2195	local $/;	3529	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3530	*CFG = YAML::XS::Load scalar <$fh>;
2197		3531
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2199		3533
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2202		3536
2203	if (exists $CFG{mlockall}) {	3537	if (exists $CFG{mlockall}) {
…		…
2205	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2206	and die "WARNING: m(un)lockall failed: $!\n";	3540	and die "WARNING: m(un)lockall failed: $!\n";
2207	};	3541	};
2208	warn $@ if $@;	3542	warn $@ if $@;
2209	}	3543	}
		3544
		3545	warn "finished reloading resource files\n";
		3546	}
		3547
		3548	sub pidfile() {
		3549	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3550	or die "$PIDFILE: $!";
		3551	flock $fh, &Fcntl::LOCK_EX
		3552	or die "$PIDFILE: flock: $!";
		3553	$fh
		3554	}
		3555
		3556	# make sure only one server instance is running at any one time
		3557	sub atomic {
		3558	my $fh = pidfile;
		3559
		3560	my $pid = <$fh>;
		3561	kill 9, $pid if $pid > 0;
		3562
		3563	seek $fh, 0, 0;
		3564	print $fh $$;
		3565	}
		3566
		3567	sub main_loop {
		3568	warn "EV::loop starting\n";
		3569	if (1) {
		3570	EV::loop;
		3571	}
		3572	warn "EV::loop returned\n";
		3573	goto &main_loop unless $REALLY_UNLOOP;
2210	}	3574	}
2211		3575
2212	sub main {	3576	sub main {
		3577	cf::init_globals; # initialise logging
		3578
		3579	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3580	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3581	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3582	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3583
		3584	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3585
2213	# we must not ever block the main coroutine	3586	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3587	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3588	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3589	(async {
		3590	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3591	EV::loop EV::LOOP_ONESHOT;
		3592	})->prio (Coro::PRIO_MAX);
2217	};	3593	};
2218		3594
2219	cfg_load;	3595	evthread_start IO::AIO::poll_fileno;
2220	db_load;	3596
		3597	cf::sync_job {
		3598	cf::init_experience;
		3599	cf::init_anim;
		3600	cf::init_attackmess;
		3601	cf::init_dynamic;
		3602
		3603	cf::load_settings;
		3604	cf::load_materials;
		3605
		3606	reload_resources;
		3607	reload_config;
		3608	db_init;
		3609
		3610	cf::init_uuid;
		3611	cf::init_signals;
		3612	cf::init_skills;
		3613
		3614	cf::init_beforeplay;
		3615
		3616	atomic;
		3617
2221	load_extensions;	3618	load_extensions;
2222	Event::loop;	3619
		3620	utime time, time, $RUNTIMEFILE;
		3621
		3622	# no (long-running) fork's whatsoever before this point(!)
		3623	use POSIX ();
		3624	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3625
		3626	(pop @POST_INIT)->(0) while @POST_INIT;
		3627	};
		3628
		3629	cf::object::thawer::errors_are_fatal 0;
		3630	warn "parse errors in files are no longer fatal from this point on.\n";
		3631
		3632	main_loop;
2223	}	3633	}
2224		3634
2225	#############################################################################	3635	#############################################################################
2226	# initialisation and cleanup	3636	# initialisation and cleanup
2227		3637
2228	# install some emergency cleanup handlers	3638	# install some emergency cleanup handlers
2229	BEGIN {	3639	BEGIN {
		3640	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3641	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3642	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3643	cf::cleanup "SIG$signal";
2236	},
2237	);	3644	};
		3645	}
		3646	}
		3647
		3648	sub write_runtime_sync {
		3649	my $t0 = AE::time;
		3650
		3651	# first touch the runtime file to show we are still running:
		3652	# the fsync below can take a very very long time.
		3653
		3654	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3655
		3656	my $guard = cf::lock_acquire "write_runtime";
		3657
		3658	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3659	or return;
		3660
		3661	my $value = $cf::RUNTIME + 90 + 10;
		3662	# 10 is the runtime save interval, for a monotonic clock
		3663	# 60 allows for the watchdog to kill the server.
		3664
		3665	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3666	and return;
		3667
		3668	# always fsync - this file is important
		3669	aio_fsync $fh
		3670	and return;
		3671
		3672	# touch it again to show we are up-to-date
		3673	aio_utime $fh, undef, undef;
		3674
		3675	close $fh
		3676	or return;
		3677
		3678	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3679	and return;
		3680
		3681	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3682
2238	}	3683	1
		3684	}
		3685
		3686	our $uuid_lock;
		3687	our $uuid_skip;
		3688
		3689	sub write_uuid_sync($) {
		3690	$uuid_skip ||= $_[0];
		3691
		3692	return if $uuid_lock;
		3693	local $uuid_lock = 1;
		3694
		3695	my $uuid = "$LOCALDIR/uuid";
		3696
		3697	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3698	or return;
		3699
		3700	my $value = uuid_seq uuid_cur;
		3701
		3702	unless ($value) {
		3703	warn "cowardly refusing to write zero uuid value!\n";
		3704	return;
		3705	}
		3706
		3707	my $value = uuid_str $value + $uuid_skip;
		3708	$uuid_skip = 0;
		3709
		3710	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3711	and return;
		3712
		3713	# always fsync - this file is important
		3714	aio_fsync $fh
		3715	and return;
		3716
		3717	close $fh
		3718	or return;
		3719
		3720	aio_rename "$uuid~", $uuid
		3721	and return;
		3722
		3723	warn "uuid file written ($value).\n";
		3724
		3725	1
		3726
		3727	}
		3728
		3729	sub write_uuid($$) {
		3730	my ($skip, $sync) = @_;
		3731
		3732	$sync ? write_uuid_sync $skip
		3733	: async { write_uuid_sync $skip };
2239	}	3734	}
2240		3735
2241	sub emergency_save() {	3736	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3737	my $freeze_guard = cf::freeze_mainloop;
2243		3738
2244	warn "enter emergency perl save\n";	3739	warn "emergency_perl_save: enter\n";
2245		3740
2246	cf::sync_job {	3741	cf::sync_job {
		3742	# this is a trade-off: we want to be very quick here, so
		3743	# save all maps without fsync, and later call a global sync
		3744	# (which in turn might be very very slow)
		3745	local $USE_FSYNC = 0;
		3746
2247	# use a peculiar iteration method to avoid tripping on perl	3747	# use a peculiar iteration method to avoid tripping on perl
2248	# refcount bugs in for. also avoids problems with players	3748	# refcount bugs in for. also avoids problems with players
2249	# and maps saved/destroyed asynchronously.	3749	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3750	warn "emergency_perl_save: begin player save\n";
2251	for my $login (keys %cf::PLAYER) {	3751	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3752	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3753	$pl->valid or next;
		3754	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3755	$pl->save;
2255	}	3756	}
2256	warn "end emergency player save\n";	3757	warn "emergency_perl_save: end player save\n";
2257		3758
2258	warn "begin emergency map save\n";	3759	warn "emergency_perl_save: begin map save\n";
2259	for my $path (keys %cf::MAP) {	3760	for my $path (keys %cf::MAP) {
2260	my $map = $cf::MAP{$path} or next;	3761	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3762	$map->valid or next;
2262	$map->save;	3763	$map->save;
2263	}	3764	}
2264	warn "end emergency map save\n";	3765	warn "emergency_perl_save: end map save\n";
		3766
		3767	warn "emergency_perl_save: begin database checkpoint\n";
		3768	BDB::db_env_txn_checkpoint $DB_ENV;
		3769	warn "emergency_perl_save: end database checkpoint\n";
		3770
		3771	warn "emergency_perl_save: begin write uuid\n";
		3772	write_uuid_sync 1;
		3773	warn "emergency_perl_save: end write uuid\n";
2265	};	3774	};
2266		3775
		3776	warn "emergency_perl_save: starting sync()\n";
		3777	IO::AIO::aio_sync sub {
		3778	warn "emergency_perl_save: finished sync()\n";
		3779	};
		3780
2267	warn "leave emergency perl save\n";	3781	warn "emergency_perl_save: leave\n";
2268	}	3782	}
2269		3783
		3784	sub post_cleanup {
		3785	my ($make_core) = @_;
		3786
		3787	warn Carp::longmess "post_cleanup backtrace"
		3788	if $make_core;
		3789
		3790	my $fh = pidfile;
		3791	unlink $PIDFILE if <$fh> == $$;
		3792	}
		3793
		3794	# a safer delete_package, copied from Symbol
		3795	sub clear_package($) {
		3796	my $pkg = shift;
		3797
		3798	# expand to full symbol table name if needed
		3799	unless ($pkg =~ /^main::.*::$/) {
		3800	$pkg = "main$pkg" if $pkg =~ /^::/;
		3801	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3802	$pkg .= '::' unless $pkg =~ /::$/;
		3803	}
		3804
		3805	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3806	my $stem_symtab = *{$stem}{HASH};
		3807
		3808	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3809	or return;
		3810
		3811	# clear all symbols
		3812	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3813	for my $name (keys %$leaf_symtab) {
		3814	_gv_clear *{"$pkg$name"};
		3815	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3816	}
		3817	}
		3818
2270	sub reload() {	3819	sub do_reload_perl() {
2271	# can/must only be called in main	3820	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3821	if (in_main) {
2273	warn "can only reload from main coroutine\n";	3822	warn "can only reload from main coroutine";
2274	return;	3823	return;
2275	}	3824	}
2276		3825
		3826	return if $RELOAD++;
		3827
		3828	my $t1 = AE::time;
		3829
		3830	while ($RELOAD) {
2277	warn "reloading...";	3831	warn "reloading...";
2278		3832
2279	warn "freezing server";	3833	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3834
		3835	cf::sync_job {
		3836	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3837	cf::emergency_save;
		3838	cf::write_runtime_sync; # external watchdog should not bark
2282		3839
2283	warn "sync database to disk";	3840	warn "syncing database to disk";
2284	cf::db_sync;	3841	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3842
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3843	# if anything goes wrong in here, we should simply crash as we already saved
2289		3844
2290	warn "cancel all watchers";	3845	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3846	while (IO::AIO::nreqs || BDB::nreqs) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2293	}
2294
2295	warn "cancel all extension coros";
2296	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();
2298
2299	warn "remove commands";
2300	%COMMAND = ();
2301
2302	warn "remove ext commands";
2303	%EXTCMD = ();
2304
2305	warn "unload/nuke all extensions";
2306	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";
2308
2309	if (my $cb = $pkg->can ("unload")) {
2310	eval {
2311	$cb->($pkg);
2312	1
2313	} or warn "$pkg unloaded, but with errors: $@";
2314	}	3848	}
2315		3849
		3850	warn "cancelling all extension coros";
		3851	$_->cancel for values %EXT_CORO;
		3852	%EXT_CORO = ();
		3853
		3854	warn "removing commands";
		3855	%COMMAND = ();
		3856
		3857	warn "removing ext/exti commands";
		3858	%EXTCMD = ();
		3859	%EXTICMD = ();
		3860
		3861	warn "unloading/nuking all extensions";
		3862	for my $pkg (@EXTS) {
2316	warn "... nuking $pkg";	3863	warn "... unloading $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319		3864
2320	warn "unload all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323
2324	warn "removing <$k>";
2325	delete $INC{$k};
2326
2327	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;
2329
2330	if (my $cb = $k->can ("unload_module")) {	3865	if (my $cb = $pkg->can ("unload")) {
		3866	eval {
2331	$cb->();	3867	$cb->($pkg);
		3868	1
		3869	} or warn "$pkg unloaded, but with errors: $@";
		3870	}
		3871
		3872	warn "... clearing $pkg";
		3873	clear_package $pkg;
2332	}	3874	}
2333		3875
2334	Symbol::delete_package $k;	3876	warn "unloading all perl modules loaded from $LIBDIR";
		3877	while (my ($k, $v) = each %INC) {
		3878	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3879
		3880	warn "... unloading $k";
		3881	delete $INC{$k};
		3882
		3883	$k =~ s/\.pm$//;
		3884	$k =~ s/\//::/g;
		3885
		3886	if (my $cb = $k->can ("unload_module")) {
		3887	$cb->();
		3888	}
		3889
		3890	clear_package $k;
2335	}	3891	}
2336		3892
2337	warn "get rid of safe::, as good as possible";	3893	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3894	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3895	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3896
2341	warn "unload cf.pm \"a bit\"";	3897	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3898	delete $INC{"cf.pm"};
		3899	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343		3900
2344	# don't, removes xs symbols, too,	3901	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3902	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3903	#clear_package __PACKAGE__;
2347		3904
		3905	warn "unload completed, starting to reload now";
		3906
2348	warn "reloading cf.pm";	3907	warn "reloading cf.pm";
2349	require cf;	3908	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3909	cf::_connect_to_perl_1;
2351		3910
2352	warn "load config and database again";	3911	warn "loading config and database again";
2353	cf::cfg_load;	3912	cf::reload_config;
2354	cf::db_load;
2355		3913
2356	warn "load extensions";	3914	warn "loading extensions";
2357	cf::load_extensions;	3915	cf::load_extensions;
2358		3916
		3917	if ($REATTACH_ON_RELOAD) {
2359	warn "reattach attachments to objects/players";	3918	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3919	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3920	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3921	reattach $_ for values %MAP;
		3922	warn "reattaching attachments to players";
		3923	reattach $_ for values %PLAYER;
		3924	}
		3925
		3926	warn "running post_init jobs";
		3927	(pop @POST_INIT)->(1) while @POST_INIT;
		3928
		3929	warn "leaving sync_job";
		3930
		3931	1
		3932	} or do {
		3933	warn $@;
		3934	cf::cleanup "error while reloading, exiting.";
		3935	};
		3936
		3937	warn "reloaded";
		3938	--$RELOAD;
		3939	}
		3940
		3941	$t1 = AE::time - $t1;
		3942	warn "reload completed in ${t1}s\n";
		3943	};
		3944
		3945	our $RELOAD_WATCHER; # used only during reload
		3946
		3947	sub reload_perl() {
		3948	# doing reload synchronously and two reloads happen back-to-back,
		3949	# coro crashes during coro_state_free->destroy here.
		3950
		3951	$RELOAD_WATCHER ||= cf::async {
		3952	Coro::AIO::aio_wait cache_extensions;
		3953
		3954	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3955	do_reload_perl;
		3956	undef $RELOAD_WATCHER;
		3957	};
2363	};	3958	};
2364		3959	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		3960
2374	register_command "reload" => sub {	3961	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3962	my ($who, $arg) = @_;
2376		3963
2377	if ($who->flag (FLAG_WIZ)) {	3964	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3965	$who->message ("reloading server.");
		3966	async {
		3967	$Coro::current->{desc} = "perl_reload";
		3968	reload_perl;
		3969	};
2381	}	3970	}
2382	};	3971	};
2383		3972
2384	unshift @INC, $LIBDIR;	3973	unshift @INC, $LIBDIR;
2385		3974
2386	$TICK_WATCHER = Event->timer (	3975	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3976
		3977	our @WAIT_FOR_TICK;
		3978	our @WAIT_FOR_TICK_BEGIN;
		3979
		3980	sub wait_for_tick {
		3981	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3982
		3983	my $signal = new Coro::Signal;
		3984	push @WAIT_FOR_TICK, $signal;
		3985	$signal->wait;
		3986	}
		3987
		3988	sub wait_for_tick_begin {
		3989	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3990
		3991	my $signal = new Coro::Signal;
		3992	push @WAIT_FOR_TICK_BEGIN, $signal;
		3993	$signal->wait;
		3994	}
		3995
		3996	sub tick {
		3997	if ($Coro::current != $Coro::main) {
		3998	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3999	unless ++$bug_warning > 10;
		4000	return;
		4001	}
		4002
2394	cf::server_tick; # one server iteration	4003	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		4004
2398	$WAIT_FOR_TICK->broadcast;	4005	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2400		4006
2401	# if we are delayed by four ticks or more, skip them all	4007	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4008	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2403		4009	Coro::async_pool {
2404	$TICK_WATCHER->at ($NEXT_TICK);	4010	$Coro::current->{desc} = "runtime saver";
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	4011	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	4012	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	4013	};
2428	},	4014	}
2429	);	4015
		4016	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4017	$sig->send;
		4018	}
		4019	while (my $sig = shift @WAIT_FOR_TICK) {
		4020	$sig->send;
		4021	}
		4022
		4023	$LOAD = ($NOW - $TICK_START) / $TICK;
		4024	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4025
		4026	if (0) {
		4027	if ($NEXT_TICK) {
		4028	my $jitter = $TICK_START - $NEXT_TICK;
		4029	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4030	warn "jitter $JITTER\n";#d#
		4031	}
		4032	}
		4033	}
		4034
		4035	{
		4036	# configure BDB
		4037
		4038	BDB::min_parallel 16;
		4039	BDB::max_poll_reqs $TICK * 0.1;
		4040	$AnyEvent::BDB::WATCHER->priority (1);
		4041
		4042	unless ($DB_ENV) {
		4043	$DB_ENV = BDB::db_env_create;
		4044	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4045	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4046	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4047	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4048	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4049
		4050	cf::sync_job {
		4051	eval {
		4052	BDB::db_env_open
		4053	$DB_ENV,
		4054	$BDBDIR,
		4055	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4056	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4057	0666;
		4058
		4059	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4060	};
		4061
		4062	cf::cleanup "db_env_open(db): $@" if $@;
		4063	};
		4064	}
		4065
		4066	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4067	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4068	};
		4069	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4070	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4071	};
		4072	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4073	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4074	};
		4075	}
		4076
		4077	{
		4078	# configure IO::AIO
		4079
		4080	IO::AIO::min_parallel 8;
		4081	IO::AIO::max_poll_time $TICK * 0.1;
		4082	undef $AnyEvent::AIO::WATCHER;
		4083	}
		4084
		4085	my $_log_backtrace;
		4086
		4087	sub _log_backtrace {
		4088	my ($msg, @addr) = @_;
		4089
		4090	$msg =~ s/\n//;
		4091
		4092	# limit the # of concurrent backtraces
		4093	if ($_log_backtrace < 2) {
		4094	++$_log_backtrace;
		4095	my $perl_bt = Carp::longmess $msg;
		4096	async {
		4097	$Coro::current->{desc} = "abt $msg";
		4098
		4099	my @bt = fork_call {
		4100	@addr = map { sprintf "%x", $_ } @addr;
		4101	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4102	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4103	or die "addr2line: $!";
		4104
		4105	my @funcs;
		4106	my @res = <$fh>;
		4107	chomp for @res;
		4108	while (@res) {
		4109	my ($func, $line) = splice @res, 0, 2, ();
		4110	push @funcs, "[$func] $line";
		4111	}
		4112
		4113	@funcs
		4114	};
		4115
		4116	LOG llevInfo, "[ABT] $perl_bt\n";
		4117	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4118	LOG llevInfo, "[ABT] $_\n" for @bt;
		4119	--$_log_backtrace;
		4120	};
		4121	} else {
		4122	LOG llevInfo, "[ABT] $msg\n";
		4123	LOG llevInfo, "[ABT] [suppressed]\n";
		4124	}
		4125	}
		4126
		4127	# load additional modules
		4128	require "cf/$_.pm" for @EXTRA_MODULES;
		4129	cf::_connect_to_perl_2;
2430		4130
2431	END { cf::emergency_save }	4131	END { cf::emergency_save }
2432		4132
2433	1	4133	1
2434		4134

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