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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.179 by root, Thu Jan 18 20:39:00 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
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		80
36	our %COMMAND = ();	81	our %COMMAND = ();
37	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
38		83
39	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
43		89
		90	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	91	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
46		94
47	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	96	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	97	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	98	our $PODDIR = "$DATADIR/pod";
		99	our $MAPDIR = "$DATADIR/" . mapdir;
		100	our $LOCALDIR = localdir;
		101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		104	our $RANDOMDIR = "$LOCALDIR/random";
		105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
		116
		117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	119	our $NEXT_TICK;
52	our $NOW;	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
		124	our $BDB_TRICKLE_WATCHER;
		125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
53		128
54	our %CFG;	129	our %CFG;
55		130
56	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
58		134
59	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	137	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		138
67	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		141
		142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
		145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
		151
70	binmode STDOUT;	152	binmode STDOUT;
71	binmode STDERR;	153	binmode STDERR;
72		154
73	# read virtual server time, if available	155	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
78	}	160	}
79		161
80	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	163
82	mkdir cf::localdir . "/" . cf::tmpdir;	164	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		166
86	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
		168
		169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		185
88	#############################################################################	186	#############################################################################
89		187
90	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
91		189
…		…
98	=item $cf::RUNTIME	196	=item $cf::RUNTIME
99		197
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	198	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	199	every server tick.
102		200
103	=item $cf::LIBDIR	201	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		202	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		203	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		204
105	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	206	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		207	unique-items directory, player file directory, random maps directory and
		208	database environment.
107		209
108	=item $cf::NOW	210	=item $cf::NOW
109		211
110	The time of the last (current) server tick.	212	The time of the last (current) server tick.
111		213
112	=item $cf::TICK	214	=item $cf::TICK
113		215
114	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
115		217
		218	=item $cf::LOADAVG
		219
		220	The current CPU load on the server (alpha-smoothed), as a value between 0
		221	(none) and 1 (overloaded), indicating how much time is spent on processing
		222	objects per tick. Healthy values are < 0.5.
		223
		224	=item $cf::LOAD
		225
		226	The raw value load value from the last tick.
		227
116	=item %cf::CFG	228	=item %cf::CFG
117		229
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	231	from wherever your confdir points to.
120		232
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		234
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	235	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	236	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	237	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.	238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
127		250
128	=back	251	=back
129		252
130	=cut	253	=cut
131		254
132	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	262	my $msg = join "", @_;
135	utf8::encode $msg;
136		263
137	$msg .= "\n"	264	$msg .= "\n"
138	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
139		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
140	LOG llevError, $msg;	269	LOG llevWarn, $msg;
141	};	270	};
142	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
143		285
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		293
151	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	295	# within the Safe compartment.
153	for my $pkg (qw(	296	for my $pkg (qw(
154	cf::global cf::attachable	297	cf::global cf::attachable
155	cf::object cf::object::player	298	cf::object cf::object::player
156	cf::client cf::player	299	cf::client cf::player
157	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
158	cf::map cf::party cf::region	302	cf::party cf::region
159	)) {	303	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	305	}
163		306
164	$Event::DIED = sub {	307	$EV::DIED = sub {
165	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
166	};	309	};
		310
		311	#############################################################################
167		312
168	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
169		314
170	=over 4	315	=over 4
171		316
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	336	$d
192	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
193	}	338	}
194		339
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
198		341
199	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
200		343
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
209		345
210	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
211		347
212	=cut	348	=cut
213		349
214	sub to_json($) {	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	351
216	JSON::Syck::Dump $_[0]	352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
217	}	367	}
218		368
219	=item cf::lock_wait $string	369	=item cf::lock_wait $string
220		370
221	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
222		372
223	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
224		374
225	Wait until the given lock is available and then acquires it and returns	375	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,	376	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	377	for example when the coroutine gets canceled), the lock is automatically
228	returned.	378	returned.
229		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
230	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
232		385
233	=cut	386	=item $locked = cf::lock_active $string
234		387
235	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
236		393
237	sub lock_wait($) {	394	sub lock_wait($) {
238	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	396	}
246		397
247	sub lock_acquire($) {	398	sub lock_acquire($) {
248	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
249		401
250	# wait, to be sure we are not locked	402	sub lock_active($) {
251	lock_wait $key;	403	$LOCKS->count ($_[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	}	404	}
260		405
261	sub freeze_mainloop {	406	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
263		408
264	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	410	}
266	$WRITE_RUNTIME_WATCHER->start;	411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
267	};	476	}
268	$WRITE_RUNTIME_WATCHER->stop;	477	};
269	$TICK_WATCHER->stop;	478
270	$guard	479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
271	}	492	}
272		493
273	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
274		495
275	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		501
281	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
282		503
283	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
284		505
285	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
288		510
289	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
292	fast or be very important.	514	fast or be very important.
…		…
294	=cut	516	=cut
295		517
296	sub sync_job(&) {	518	sub sync_job(&) {
297	my ($job) = @_;	519	my ($job) = @_;
298		520
299	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
300	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
302		526
303	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	528
305	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
306		530
307	my $busy = 1;	531	my $busy = 1;
308	my @res;	532	my @res;
309		533
310	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	536	@res = eval { $job->() };
312	warn $@ if $@;	537	error $@ if $@;
313	undef $busy;	538	undef $busy;
314	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
315		540
316	while ($busy) {	541	while ($busy) {
317	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
318	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
319		552
320	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
321	} else {	554	} else {
322	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
323		556
…		…
343	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
344		577
345	$coro	578	$coro
346	}	579	}
347		580
348	sub write_runtime {	581	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		582
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	583	Executes the given code block with the given arguments in a seperate
352	or return;	584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
353		587
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	588	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		589
358	aio_fsync $fh	590	sub fork_call(&@) {
359	and return;	591	my ($cb, @args) = @_;
360		592
361	close $fh	593	# we seemingly have to make a local copy of the whole thing,
362	or return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
363		596
364	aio_rename "$runtime~", $runtime	597	my @res = Coro::Util::fork_eval {
365	and return;	598	reset_signals;
		599	&$cb
		600	}, @args;
366		601
		602	wantarray ? @res : $res[-1]
		603	}
		604
		605	sub objinfo {
367	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	781	}
369		782
370	=back	783	=back
371		784
372	=cut	785	=cut
373		786
374	#############################################################################	787	#############################################################################
375		788
376	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
377		790
378	Many objects in crossfire are so-called attachable objects. That means you can	791	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")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
381		794
382	In the following description, CLASS can be any of C<global>, C<object>	795	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	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	797	Deliantra).
385		798
386	=over 4	799	=over 4
387		800
388	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
389		802
…		…
433	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
434		847
435	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
437		850
438	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
440		853
441	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
442		855
443	=over 4	856	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
553		966
554	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		971
559	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	973	my $pkg = shift @arg;
561		974
562	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
567		980
568	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		983
571	} elsif (ref $type) {	984	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
573		986
574	} else {	987	} else {
575	shift @arg;	988	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
577	}	990	}
578	}	991	}
579	}	992	}
580		993
581	sub _object_attach {	994	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
592	}	1005	}
593		1006
594	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
595	} else {	1008	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1010	}
598		1011
599	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
600	}	1013	}
601		1014
…		…
603	if (ref $_[0]) {	1016	if (ref $_[0]) {
604	_object_attach @_;	1017	_object_attach @_;
605	} else {	1018	} else {
606	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
607	}	1020	}
		1021	_recalc_want;
608	};	1022	};
609		1023
610	# all those should be optimised	1024	# all those should be optimised
611	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1030	reattach ($obj);
617	} else {	1031	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
619	}	1033	}
		1034	_recalc_want;
620	};	1035	};
621		1036
622	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
624		1039
…		…
639	";	1054	";
640	die if $@;	1055	die if $@;
641	}	1056	}
642		1057
643	our $override;	1058	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1060
646	sub override {	1061	sub override {
647	$override = 1;	1062	$override = 1;
648	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
649	}	1064	}
650		1065
651	sub do_invoke {	1066	sub do_invoke {
652	my $event = shift;	1067	my $event = shift;
653	my $callbacks = shift;	1068	my $callbacks = shift;
654		1069
655	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
656		1071
657	local $override;	1072	local $override;
658		1073
659	for (@$callbacks) {	1074	for (@$callbacks) {
660	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
661		1076
662	if ($@) {	1077	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1079	override;
666	}	1080	}
667		1081
668	return 1 if $override;	1082	return 1 if $override;
669	}	1083	}
670		1084
671	0	1085	0
672	}	1086	}
673		1087
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1089
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1091
678	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
679		1093
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1097
684	=back	1098	=back
685		1099
686	=cut	1100	=cut
687		1101
688	#############################################################################	1102	#############################################################################
689	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
690		1146
691	sub reattach {	1147	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1149	my ($obj) = @_;
694		1150
		1151	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1153
697	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
698		1155
699	@$registry = ();	1156	@$registry = ();
700		1157
…		…
705	for (@$attach) {	1162	for (@$attach) {
706	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
708	}	1165	}
709	} else {	1166	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1168	}
712	}	1169	}
713	}	1170	}
714		1171
715	cf::attachable->attach (	1172	cf::attachable->attach (
716	prio => -1000000,	1173	prio => -1000000,
717	on_instantiate => sub {	1174	on_instantiate => sub {
718	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
719		1176
720	$data = from_json $data;	1177	$data = decode_json $data;
721		1178
722	for (@$data) {	1179	for (@$data) {
723	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
724		1181
725	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1198	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
743		1200
744	sync_job {	1201	sync_job {
745	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
748		1207
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1211	if ($cf::USE_FSYNC) {
		1212	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;	1213	aio_fsync $fh;
		1214	}
753	close $fh;	1215	aio_close $fh;
754		1216
755	if (@$objs) {	1217	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
760	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
761	close $fh;	1226	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
763	}	1228	}
764	} else {	1229	} else {
765	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
766	}	1231	}
767		1232
768	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1237	} else {
770	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
771	}	1239	}
772	} else {	1240	} else {
773	aio_unlink $filename;	1241	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
775	}	1243	}
776	}	1244	};
777	}	1245	}
778		1246
779	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
781		1249
…		…
793	or return;	1261	or return;
794		1262
795	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
797	or return;	1265	or return;
		1266
798	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
799	}	1269	}
800		1270
		1271	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
803	return ($data, $av);	1276	($data, $av)
804	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
805		1284
806	#############################################################################	1285	#############################################################################
807	# command handling &c	1286	# command handling &c
808		1287
809	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1302	}
824		1303
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1305
827	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
828		1311
829	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
830	called.	1313	called.
831		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
832	=cut	1326	=cut
833		1327
834	sub register_extcmd {	1328	sub register_extcmd {
835	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
836		1330
837	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
838	}	1332	}
839		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
840	cf::player->attach (	1342	cf::player->attach (
841	on_command => sub {	1343	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
843		1345
844	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
845	or return;	1347	or return;
846		1348
…		…
851	cf::override;	1353	cf::override;
852	},	1354	},
853	on_extcmd => sub {	1355	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
855		1357
856	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1359
858	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
864	} else {	1375	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1377	}
867		1378
868	cf::override;	1379	cf::override;
869	},	1380	},
870	);	1381	);
871		1382
		1383	# "readahead" all extensions
872	sub load_extension {	1384	sub cache_extensions {
873	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
874		1386
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1390	}
900	die $@;
901	}	1391	};
902		1392
903	push @EXTS, $pkg;	1393	$grp
904	}	1394	}
905		1395
906	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
907	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1403	next unless -r $path;
909	eval {	1404
910	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use common::sense;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
911	1	1469	}
912	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
913	}	1480	};
914	}	1481	}
915		1482
916	#############################################################################	1483	#############################################################################
917		1484
		1485	=back
		1486
918	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
919		1488
920	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
921		1490
922	=cut	1491	=cut
923		1492
924	package cf::player;	1493	package cf::player;
925		1494
…		…
927		1496
928	=head3 cf::player	1497	=head3 cf::player
929		1498
930	=over 4	1499	=over 4
931		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
		1514
932	=item cf::player::find $login	1515	=item cf::player::find $login
933		1516
934	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
935		1518
936	=cut	1519	=cut
937		1520
938	sub playerdir($) {	1521	sub playerdir($) {
939	cf::localdir	1522	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1524	}
945		1525
946	sub path($) {	1526	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1528
949	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
950	}	1530	}
951		1531
952	sub find_active($) {	1532	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
957		1537
958	sub exists($) {	1538	sub exists($) {
959	my ($login) = @_;	1539	my ($login) = @_;
960		1540
961	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1542	or !aio_stat path $login
963	}	1543	}
964		1544
965	sub find($) {	1545	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1547	my $login = $_[0];
968		1548
969	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
970		1550
971	$cf::PLAYER{$_[0]} || do {	1551	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1552	# rename old playerfiles to new ones
		1553	#TODO: remove when no longer required
		1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1557	aio_unlink +(playerdir $login) . "/$login.pl";
		1558
		1559	my $f = new_from_file cf::object::thawer path $login
973	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
975	}	1568	}
976	}	1569	}
977	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
978		1584
979	sub save($) {	1585	sub save($) {
980	my ($pl) = @_;	1586	my ($pl) = @_;
981		1587
982	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
988		1594
989	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
991		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
992	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
993	Coro::cede;	1604	cf::cede_to_tick;
994	}	1605	}
995		1606
996	sub new($) {	1607	sub new($) {
997	my ($login) = @_;	1608	my ($login) = @_;
998		1609
…		…
1004	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1005		1616
1006	$self	1617	$self
1007	}	1618	}
1008		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1009	=item $pl->quit_character	1630	=item $pl->quit_character
1010		1631
1011	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1013		1634
1014	=cut	1635	=cut
1015		1636
1016	sub quit_character {	1637	sub quit_character {
1017	my ($pl) = @_;	1638	my ($pl) = @_;
1018		1639
		1640	my $name = $pl->ob->name;
		1641
1019	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1644
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1026		1650
1027	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1653	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1654	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1655	$pl->destroy;
		1656
		1657	my $prefix = qr<^~\Q$name\E/>;
		1658
		1659	# nuke player maps
		1660	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1661
1032	IO::AIO::aio_rmtree $temp;	1662	IO::AIO::aio_rmtree $temp;
		1663	}
		1664
		1665	=item $pl->kick
		1666
		1667	Kicks a player out of the game. This destroys the connection.
		1668
		1669	=cut
		1670
		1671	sub kick {
		1672	my ($pl, $kicker) = @_;
		1673
		1674	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1675	$pl->killer ("kicked");
		1676	$pl->ns->destroy;
1033	}	1677	}
1034		1678
1035	=item cf::player::list_logins	1679	=item cf::player::list_logins
1036		1680
1037	Returns am arrayref of all valid playernames in the system, can take a	1681	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1039		1683
1040	=cut	1684	=cut
1041		1685
1042	sub list_logins {	1686	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1688	or return [];
1045		1689
1046	my @logins;	1690	my @logins;
1047		1691
1048	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1052		1702
1053	utf8::decode $login;	1703	utf8::decode $login;
1054	push @logins, $login;	1704	push @logins, $login;
1055	}	1705	}
1056		1706
1057	\@logins	1707	\@logins
1058	}	1708	}
1059		1709
1060	=item $player->maps	1710	=item $player->maps
1061		1711
		1712	=item cf::player::maps $login
		1713
1062	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1063	player. May block.	1715	player. May block.
1064		1716
1065	=cut	1717	=cut
1066		1718
1067	sub maps($) {	1719	sub maps($) {
1068	my ($pl) = @_;	1720	my ($pl) = @_;
		1721
		1722	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1723
1070	my $files = aio_readdir playerdir $pl	1724	my $files = aio_readdir playerdir $pl
1071	or return;	1725	or return;
1072		1726
1073	my @paths;	1727	my @paths;
…		…
1075	for (@$files) {	1729	for (@$files) {
1076	utf8::decode $_;	1730	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1731	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1732	next unless /^$PATH_SEP/o;
1079		1733
1080	s/\.map$//;	1734	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1735	}
1083		1736
1084	\@paths	1737	\@paths
1085	}	1738	}
1086		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1088		1745
1089	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1090		1747
1091	=cut	1748	=cut
1092		1749
1093	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1095		1752
1096	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1754	}
1100		1755
1101	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		1763	my ($self, $type, @msg) = @_;
		1764
		1765	$self->ns->ext_msg ($type, @msg);
		1766	}
		1767
		1768	=head3 cf::region
		1769
		1770	=over 4
		1771
		1772	=cut
		1773
		1774	package cf::region;
		1775
		1776	=item cf::region::find_by_path $path
		1777
		1778	Tries to decuce the likely region for a map knowing only its path.
		1779
		1780	=cut
		1781
		1782	sub find_by_path($) {
		1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
		1787	my ($match, $specificity);
		1788
		1789	for my $region (list) {
		1790	if ($region->{match} && $path =~ $region->{match}) {
		1791	($match, $specificity) = ($region, $region->specificity)
		1792	if $region->specificity > $specificity;
		1793	}
		1794	}
		1795
		1796	$match
		1797	}
1102		1798
1103	=back	1799	=back
1104
1105		1800
1106	=head3 cf::map	1801	=head3 cf::map
1107		1802
1108	=over 4	1803	=over 4
1109		1804
…		…
1121	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1123		1818
1124	sub generate_random_map {	1819	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1126	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1825	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1835	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1836	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1837	)
1140	}	1838	}
1141		1839
		1840	=item cf::map->register ($regex, $prio)
		1841
		1842	Register a handler for the map path matching the given regex at the
		1843	givne priority (higher is better, built-in handlers have priority 0, the
		1844	default).
		1845
		1846	=cut
		1847
1142	sub register {	1848	sub register {
1143	my (undef, $regex) = @_;	1849	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1850	my $pkg = caller;
1145		1851
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1853
1149	$EXT_MAP{$pkg} = qr<$regex>;	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1855	}
1151		1856
1152	# also paths starting with '/'	1857	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1859
1155	sub thawer_merge {	1860	sub thawer_merge {
1156	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1157		1862
1158	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1159	local $self->{path};	1864	local $self->{path};
1160	local $self->{load_path};	1865	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1866
1164	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1165	}	1868	}
1166		1869
1167	sub normalise {	1870	sub normalise {
1168	my ($path, $base) = @_;	1871	my ($path, $base) = @_;
		1872
		1873	$path = "$path"; # make sure its a string
		1874
		1875	$path =~ s/\.map$//;
1169		1876
1170	# map plan:	1877	# map plan:
1171	#	1878	#
1172	# /! non-realised random map exit (special hack!)	1879	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1880	# {... are special paths that are not being touched
…		…
1201		1908
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1909	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1910
1204	$path = normalise $path, $base;	1911	$path = normalise $path, $base;
1205		1912
1206	for my $pkg (keys %EXT_MAP) {	1913	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1914	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1915	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1916	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1211	return $self;	1918	return $self;
1212	}	1919	}
1213	}	1920	}
1214		1921
1215	Carp::carp "unable to resolve path '$path'.";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1923	()
1217	}	1924	}
1218		1925
1219	sub init {	1926	sub init {
1220	my ($self) = @_;	1927	my ($self) = @_;
…		…
1235		1942
1236	# the original (read-only) location	1943	# the original (read-only) location
1237	sub load_path {	1944	sub load_path {
1238	my ($self) = @_;	1945	my ($self) = @_;
1239		1946
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1241	}	1948	}
1242		1949
1243	# the temporary/swap location	1950	# the temporary/swap location
1244	sub save_path {	1951	sub save_path {
1245	my ($self) = @_;	1952	my ($self) = @_;
1246		1953
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1249	}	1956	}
1250		1957
1251	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1252	sub uniq_path {	1959	sub uniq_path {
1253	my ($self) = @_;	1960	my ($self) = @_;
1254		1961
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1257	}	1964	}
1258		1965
1259	# and all this just because we cannot iterate over	1966	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	1967	my ($self) = @_;
1263		1968
1264	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1266	}	1972	}
1267		1973
1268	sub unlink_save {	1974	sub unlink_save {
1269	my ($self) = @_;	1975	my ($self) = @_;
1270		1976
…		…
1275		1981
1276	sub load_header_from($) {	1982	sub load_header_from($) {
1277	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1278		1984
1279	utf8::encode $path;	1985	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1281	or return;	1987	or return;
1282		1988
1283	$self->_load_header ($path)	1989	$self->_load_header ($f)
1284	or return;	1990	or return;
1285		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
		1994
1286	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1287		1996
1288	1	1997	1
1289	}	1998	}
1290		1999
1291	sub load_orig {	2000	sub load_header_orig {
1292	my ($self) = @_;	2001	my ($self) = @_;
1293		2002
1294	$self->load_header_from ($self->load_path)	2003	$self->load_header_from ($self->load_path)
1295	}	2004	}
1296		2005
1297	sub load_temp {	2006	sub load_header_temp {
1298	my ($self) = @_;	2007	my ($self) = @_;
1299		2008
1300	$self->load_header_from ($self->save_path)	2009	$self->load_header_from ($self->save_path)
		2010	}
		2011
		2012	sub prepare_temp {
		2013	my ($self) = @_;
		2014
		2015	$self->last_access ((delete $self->{last_access})
		2016	|| $cf::RUNTIME); #d#
		2017	# safety
		2018	$self->{instantiate_time} = $cf::RUNTIME
		2019	if $self->{instantiate_time} > $cf::RUNTIME;
		2020	}
		2021
		2022	sub prepare_orig {
		2023	my ($self) = @_;
		2024
		2025	$self->{load_original} = 1;
		2026	$self->{instantiate_time} = $cf::RUNTIME;
		2027	$self->last_access ($cf::RUNTIME);
		2028	$self->instantiate;
1301	}	2029	}
1302		2030
1303	sub load_header {	2031	sub load_header {
1304	my ($self) = @_;	2032	my ($self) = @_;
1305		2033
1306	if ($self->load_temp) {	2034	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2035	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2036	} else {
1313	$self->load_orig	2037	$self->load_header_orig
1314	or return;	2038	or return;
1315		2039	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2040	}
		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
		2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
1321		2047
1322	1	2048	1
1323	}	2049	}
1324		2050
1325	sub find;	2051	sub find;
1326	sub find {	2052	sub find {
1327	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1328		2054
1329	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1330		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2059
1333	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1336	or return;	2062	or return;
1337		2063
1338	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1339		2065
1340	$map->load_header	2066	$map->load_header
1341	or return;	2067	or return;
1342		2068
1343	if ($map->should_reset) {	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2070	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1345	$map->reset;	2074	$map->reset;
1346	undef $guard;
1347	$map = find $path	2075	return find $path;
1348	or return;
1349	}	2076	}
1350		2077
1351	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1352	}	2079	}
1353	}	2080	}
		2081
		2082	sub pre_load { }
		2083	#sub post_load { } # XS
1354		2084
1355	sub load {	2085	sub load {
1356	my ($self) = @_;	2086	my ($self) = @_;
1357		2087
		2088	local $self->{deny_reset} = 1; # loading can take a long time
		2089
1358	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1360		2094
		2095	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2097
1363	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1364		2099
1365	$self->alloc;	2100	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2101
		2102	$self->pre_load;
		2103	cf::cede_to_tick;
		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1367	or return;	2108	or return;
1368		2109
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1370	if delete $self->{load_original};	2111	if delete $self->{load_original};
1371		2112
1372	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2114	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2117	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1377	}	2121	}
1378	}	2122	}
1379		2123
1380	Coro::cede;	2124	$f->resolve_delayed_derefs;
1381		2125
		2126	cf::cede_to_tick;
1382	# now do the right thing for maps	2127	# now do the right thing for maps
1383	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2130	unless $self->difficulty;
1393	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1394	$self->activate;	2138	$self->activate;
1395	}	2139	}
1396		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1398	}	2145	}
1399		2146
		2147	$self->post_load;
		2148	}
		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1400	sub customise_for {	2153	sub customise_for {
1401	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1402		2155
1403	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2157	if $self->per_player;
1405		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1406	$self	2162	$self
1407	}	2163	}
1408		2164
1409	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2166	sub load_neighbours {
1411	my ($map) = @_;	2167	my ($map) = @_;
1412		2168
1413	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1414		2170
1415	for (0 .. 3) {	2171	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1417	or next;	2173	or next;
1418	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1419	or next;	2175	or next;
1420	$neigh->load;	2176	$neigh->load;
1421		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2182	}
1425		2183
1426	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1428	or next;	2187	or next;
1429	$neigh->load;	2188	$neigh->load;
1430	}	2189	}
1431	}	2190	}
1432		2191
1433	sub find_sync {	2192	sub find_sync {
1434	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1435		2194
1436	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1437	}	2199	}
1438		2200
1439	sub do_load_sync {	2201	sub do_load_sync {
1440	my ($map) = @_;	2202	my ($map) = @_;
1441		2203
1442	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1443	}	2208	}
1444		2209
1445	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2211	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2212
1459	sub find_async {	2213	sub find_async {
1460	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1461		2215
1462	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1463		2217
1464	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2220	}
		2221
		2222	$MAP_PREFETCH{$path} |= $load;
		2223
		2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
		2227	while (%MAP_PREFETCH) {
		2228	while (my ($k, $v) = each %MAP_PREFETCH) {
		2229	if (my $map = find $k) {
		2230	$map->load if $v;
		2231	}
		2232
		2233	delete $MAP_PREFETCH{$k};
		2234	}
		2235	}
		2236	undef $MAP_PREFETCHER;
1466	}	2237	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2238	$MAP_PREFETCHER->prio (6);
1470		2239
1471	()	2240	()
1472	}	2241	}
1473		2242
		2243	# common code, used by both ->save and ->swapout
1474	sub save {	2244	sub _save {
1475	my ($self) = @_;	2245	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2246
1479	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1480		2248
1481	return unless $self->dirty;	2249	return unless $self->dirty;
1482		2250
…		…
1488	return if $self->{deny_save};	2256	return if $self->{deny_save};
1489		2257
1490	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1491		2259
1492	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1494	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1495		2266
1496	if ($uniq) {	2267	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2270	} else {
1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1501	}	2272	}
1502	}	2273	}
1503		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1504	sub swap_out {	2283	sub swap_out {
1505	my ($self) = @_;	2284	my ($self) = @_;
1506		2285
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1512	return if $self->players;	2290	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1516	$self->clear;	2301	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2302	}
1519		2303
1520	sub reset_at {	2304	sub reset_at {
1521	my ($self) = @_;	2305	my ($self) = @_;
1522		2306
1523	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1526		2309
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2312
…		…
1540	my ($self) = @_;	2323	my ($self) = @_;
1541		2324
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2326
1544	return if $self->players;	2327	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2328
1547	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
		2330
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# need to save uniques path
		2334	unless ($self->{deny_save}) {
		2335	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2336
		2337	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2338	if $uniq;
		2339	}
1548		2340
1549	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1550		2342
1551	$self->in_memory (cf::MAP_SWAPPED);	2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2345	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2346
1556	$self->unlink_save;	2347	$self->unlink_save;
1557	$self->destroy;	2348	$self->destroy;
1558	}	2349	}
1559		2350
1560	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1561		2352
1562	sub nuke {	2353	sub nuke {
1563	my ($self) = @_;	2354	my ($self) = @_;
1564		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1565	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1566		2360
1567	$self->unlink_save;	2361	$self->unlink_save;
1568		2362
1569	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1570	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2368
1575	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1576		2371
1577	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
		2373	}
		2374
		2375	=item $maps = cf::map::tmp_maps
		2376
		2377	Returns an arrayref with all map paths of currently instantiated and saved
		2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
		2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
		2392
		2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1578	}	2409	}
1579		2410
1580	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1581		2412
1582	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2414	instantiated unique items. May block.
1584		2415
1585	=cut	2416	=cut
1586		2417
1587	sub unique_maps() {	2418	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1589	or return;	2420	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2421	utf8::decode $_;
1595	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
		2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
		2427	]
		2428	}
1597		2429
		2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
1598	s/\.map$//;	2451	s/\.map$// or next;
1599	push @paths, $_;	2452	utf8::decode $_;
1600	}	2453	push @maps, "$dir/$_";
		2454	}
1601		2455
1602	\@paths	2456	push @dirs, map "$dir/$_", @$dirs;
1603	}	2457	}
1604		2458
1605	package cf;	2459	\@maps
		2460	}
1606		2461
1607	=back	2462	=back
1608		2463
1609	=head3 cf::object	2464	=head3 cf::object
1610		2465
…		…
1614		2469
1615	=over 4	2470	=over 4
1616		2471
1617	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1618		2473
1619	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1620		2476
1621	=cut	2477	=cut
1622		2478
1623	sub inv_recursive_;	2479	sub inv_recursive_;
1624	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1627		2483
1628	sub inv_recursive {	2484	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1630	}	2486	}
1631		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1632	package cf;	2516	package cf;
1633		2517
1634	=back	2518	=back
1635		2519
1636	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1645		2529
1646	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1647		2545
1648	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2547	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1653		2551
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2553
1656	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1658	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1661	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1662	}	2579	}
1663		2580
1664	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1665		2582
1666	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1679		2596
1680	=item $player_object->enter_link	2597	=item $player_object->enter_link
1681		2598
1682	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1683		2600
1684	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1685	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1686		2605
1687	Will never block.	2606	Will never block.
1688		2607
1689	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1690		2609
…		…
1698	=cut	2617	=cut
1699		2618
1700	sub link_map {	2619	sub link_map {
1701	unless ($LINK_MAP) {	2620	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2621	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2622	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2623	$LINK_MAP->load;
1705	}	2624	}
1706		2625
1707	$LINK_MAP	2626	$LINK_MAP
1708	}	2627	}
…		…
1710	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1711	my ($self) = @_;	2630	my ($self) = @_;
1712		2631
1713	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1714		2633
		2634	++$self->{_link_recursion};
		2635
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2637
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1719		2640
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1721	}	2642	}
1722		2643
1723	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1725		2648
1726	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1727		2650
1728	unless ($map) {	2651	unless ($map) {
1729	# restore original map position	2652	# restore original map position
…		…
1740	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1741	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1742		2665
1743	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1746		2669
1747	$map->load;	2670	$map->load;
1748	$map->load_diag;	2671	$map->load_neighbours;
1749		2672
1750	return unless $self->contr->active;	2673	return unless $self->contr->active;
		2674
		2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2676	if ($self->enter_map ($map, $x, $y)) {
		2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
1751	$self->activate_recursive;	2680	$self->activate_recursive;
1752	$self->enter_map ($map, $x, $y);
1753	}
1754
1755	cf::player->attach (
1756	on_logout => sub {
1757	my ($pl) = @_;
1758
1759	# abort map switching before logout
1760	if ($pl->ob->{_link_pos}) {
1761	cf::sync_job {
1762	$pl->ob->leave_link
1763	};
1764	}
1765	},	2681	}
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2682
1769	# try to abort aborted map switching on player login :)	2683	}
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2684
1787	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1788		2686
		2687	Moves the player to the given map-path and coordinates by first freezing
		2688	her, loading and preparing them map, calling the provided $check callback
		2689	that has to return the map if sucecssful, and then unfreezes the player on
		2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
1789	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1790		2699
1791	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
		2709	# do generation counting so two concurrent goto's will be executed in-order
		2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2711
1794	$self->enter_link;	2712	$self->enter_link;
1795		2713
1796	(async {	2714	(async {
1797	my $map = cf::map::find $path;	2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
		2736	my $map = eval {
		2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
1799		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2742	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2744	}
1804		2745
		2746	$map
		2747	};
		2748
		2749	if ($@) {
		2750	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2751	LOG llevError | logBacktrace, Carp::longmess $@;
		2752	}
		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1806	})->prio (1);	2760	})->prio (1);
1807	}	2761	}
1808		2762
1809	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1810		2764
…		…
1812		2766
1813	sub parse_random_map_params {	2767	sub parse_random_map_params {
1814	my ($spec) = @_;	2768	my ($spec) = @_;
1815		2769
1816	my $rmp = { # defaults	2770	my $rmp = { # defaults
1817	xsize => -1,	2771	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2772	ysize => (cf::rndm 15, 40),
		2773	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2774	#layout => string,
1819	};	2775	};
1820		2776
1821	for (split /\n/, $spec) {	2777	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2778	my ($k, $v) = split /\s+/, $_, 2;
1823		2779
…		…
1827	$rmp	2783	$rmp
1828	}	2784	}
1829		2785
1830	sub prepare_random_map {	2786	sub prepare_random_map {
1831	my ($exit) = @_;	2787	my ($exit) = @_;
1832
1833	my $guard = cf::lock_acquire "exit_prepare:$exit";
1834		2788
1835	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1836	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1837	# that depends on the exit object	2791	# that depends on the exit object
1838		2792
1839	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
1840		2794
1841	if ($exit->map) {	2795	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2796	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1846	}	2802	}
1847		2803
1848	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1849		2805
1850	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1851	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1853		2809
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2812	undef $fh;
1857	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1858		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1859	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1860	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1861	}	2821	}
1862	}	2822	}
1863		2823
1864	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
…		…
1867	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1868		2828
1869	$self->enter_link;	2829	$self->enter_link;
1870		2830
1871	(async {	2831	(async {
1872	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1873	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
1874	prepare_random_map $exit	2841	prepare_random_map $exit
1875	if $exit->slaying eq "/!";	2842	if $exit->slaying eq "/!";
		2843	}
1876		2844
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
1879		2848
		2849	$self->goto ($map, $x, $y);
		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
1880	1;	2855	1
1881	}) {	2856	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1883	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2861
1887	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1888	$self->leave_link;	2863	$self->leave_link;
1889	}	2864	}
1890	})->prio (1);	2865	})->prio (1);
1891	}	2866	}
1892		2867
…		…
1903		2878
1904	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
1906		2881
1907	utf8::encode $text;	2882	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2884	}
1910		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
		3073	=item $client->ext_msg ($type, @msg)
		3074
		3075	Sends an ext event to the client.
		3076
		3077	=cut
		3078
		3079	sub cf::client::ext_msg($$@) {
		3080	my ($self, $type, @msg) = @_;
		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
		3085	push @msg, msgtype => "event_$type";
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
		3106	}
1911		3107
1912	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
1913		3109
1914	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		3113
1918	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	3115	become reliable at some point in the future.
1920		3116
1921	=cut	3117	=cut
1922		3118
1923	sub cf::client::query {	3119	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	3128	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		3130
1935	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
1937	}	3135	}
1938		3136
1939	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
1940	on_reply => sub {	3143	on_reply => sub {
1941	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
1942		3145
1943	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
1944	# get handled first	3147	# get handled first
1945	my $queue = delete $ns->{query_queue}	3148	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	3149	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		3150
1948	(shift @$queue)->[1]->($msg);	3151	(shift @$queue)->[1]->($msg);
		3152	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		3153
1950	push @{ $ns->{query_queue} }, @$queue;	3154	push @{ $ns->{query_queue} }, @$queue;
1951		3155
1952	if (@{ $ns->{query_queue} } == @$queue) {	3156	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	3157	if (@$queue) {
…		…
1955	} else {	3159	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	3161	}
1958	}	3162	}
1959	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
1960	);	3190	);
1961		3191
1962	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
1963		3193
1964	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980		3210
1981	$coro	3211	$coro
1982	}	3212	}
1983		3213
1984	cf::client->attach (	3214	cf::client->attach (
1985	on_destroy => sub {	3215	on_client_destroy => sub {
1986	my ($ns) = @_;	3216	my ($ns) = @_;
1987		3217
1988	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1989	},	3219	},
1990	);	3220	);
…		…
2005	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2007		3237
2008	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2009		3239
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2011		3245
2012	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2013		3247
2014	=pod	3248	=pod
2015		3249
2016	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2017		3251
2018	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2019	cf::object::player player	3257	cf::object::player
2020	cf::player peaceful	3258	player
2021	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2022		3265
2023	=cut	3266	=cut
2024		3267
2025	for (	3268	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2027	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2029	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2030	) {	3275	) {
2031	no strict 'refs';
2032	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2033	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2034	for @funs;	3278	for @funs;
2035	}	3279	}
2036		3280
…		…
2051		3295
2052	my $qcode = $code;	3296	my $qcode = $code;
2053	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2054	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2055		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2056	local $_;	3303	local $_;
2057	local @safe::cf::_safe_eval_args = values %vars;
2058		3304
2059	my $eval =	3305	my $eval =
2060	"do {\n"	3306	"do {\n"
2061	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2062	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2063	. $code	3309	. $code
2064	. "\n}"	3310	. "\n}"
2065	;	3311	;
2066		3312
		3313	if ($CFG{safe_eval}) {
2067	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2068	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2069	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2070		3322
2071	if ($@) {	3323	if ($@) {
2072	warn "$@";	3324	warn "$@",
2073	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2074	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2075	}	3327	}
2076		3328
2077	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2078	}	3330	}
2079		3331
…		…
2093	=cut	3345	=cut
2094		3346
2095	sub register_script_function {	3347	sub register_script_function {
2096	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2097		3349
2098	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2099	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2100	}	3352	}
2101		3353
2102	=back	3354	=back
2103		3355
2104	=cut	3356	=cut
2105		3357
2106	#############################################################################	3358	#############################################################################
		3359	# the server's init and main functions
2107		3360
2108	=head2 EXTENSION DATABASE SUPPORT	3361	sub load_facedata($) {
		3362	my ($path) = @_;
2109		3363
2110	Crossfire maintains a very simple database for extension use. It can	3364	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	3365	# for this (global event?)
2112	excludes objects.	3366	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		3367
2114	The parameter C<$family> should best start with the name of the extension	3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		3369
2117	=over 4	3370	trace "loading facedata from $path\n";
2118		3371
2119	=item $hashref = cf::db_get $family	3372	my $facedata;
		3373	0 < aio_load $path, $facedata
		3374	or die "$path: $!";
2120		3375
2121	Return a hashref for use by the extension C<$family>, which can be	3376	$facedata = Coro::Storable::thaw $facedata;
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124		3377
2125	=item $value = cf::db_get $family => $key	3378	$facedata->{version} == 2
		3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		3380
2127	Returns a single value from the database	3381	# patch in the exptable
2128		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2129	=item cf::db_put $family => $hashref	3383	$facedata->{resource}{"res/exp_table"} = {
2130		3384	type => FT_RSRC,
2131	Stores the given family hashref into the database. Updates are delayed, if	3385	data => $exp_table,
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3386	hash => (Digest::MD5::md5 $exp_table),
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	3387	};
		3388	cf::cede_to_tick;
2180		3389
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	3390	{
		3391	my $faces = $facedata->{faceinfo};
2185		3392
2186	sub db_get($;$) {	3393	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191		3395
2192	sub db_put($$;$) {	3396	cf::face::set_visibility $idx, $info->{visibility};
2193	if (@_ >= 3) {	3397	cf::face::set_magicmap $idx, $info->{magicmap};
2194	$DB->{$_[0]}{$_[1]} = $_[2];	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2195	} else {	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200		3400
2201	cf::global->attach (	3401	cf::cede_to_tick;
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	3402	}
2206	);
2207	}
2208		3403
2209	#############################################################################	3404	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	3405	next unless $info->{smooth};
2211		3406
2212	sub cfg_load {	3407	my $idx = cf::face::find $face
		3408	or next;
		3409
		3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
		3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3413	} else {
		3414	error "smooth face '$info->{smooth}' not found for face '$face'";
		3415	}
		3416
		3417	cf::cede_to_tick;
		3418	}
		3419	}
		3420
		3421	{
		3422	my $anims = $facedata->{animinfo};
		3423
		3424	while (my ($anim, $info) = each %$anims) {
		3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3426	cf::cede_to_tick;
		3427	}
		3428
		3429	cf::anim::invalidate_all; # d'oh
		3430	}
		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
		3451	1
		3452	}
		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
		3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
		3477	load_resource_file "$MAPDIR/regions"
		3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
		3484	}
		3485
		3486	sub reload_facedata {
		3487	load_facedata "$DATADIR/facedata"
		3488	or die "unable to load facedata\n";
		3489	}
		3490
		3491	sub reload_archetypes {
		3492	load_resource_file "$DATADIR/archetypes"
		3493	or die "unable to load archetypes\n";
		3494	}
		3495
		3496	sub reload_treasures {
		3497	load_resource_file "$DATADIR/treasures"
		3498	or die "unable to load treasurelists\n";
		3499	}
		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
		3524	sub reload_resources {
		3525	trace "reloading resource files...\n";
		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
		3530	reload_regions;
		3531	reload_treasures;
		3532
		3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	3540	or return;
2215		3541
2216	local $/;	3542	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2218		3544
2219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2220		3546
2221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2223		3549
2224	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2226	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2227	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2228	};	3554	};
2229	warn $@ if $@;	3555	warn $@ if $@;
2230	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2231	}	3587	}
2232		3588
2233	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2234	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237	(async {	3602	(async {
2238	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2239	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2240	};	3606	};
2241		3607
2242	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
2243	db_load;	3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
		3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2244	load_extensions;	3631	load_extensions;
2245	Event::loop;	3632
		3633	utime time, time, $RUNTIMEFILE;
		3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2246	}	3646	}
2247		3647
2248	#############################################################################	3648	#############################################################################
2249	# initialisation and cleanup	3649	# initialisation and cleanup
2250		3650
2251	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2252	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2253	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2255	data => WF_AUTOCANCEL,
2256	signal => $signal,
2257	cb => sub {
2258	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2259	},
2260	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2261	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2262	}	3747	}
2263		3748
2264	sub emergency_save() {	3749	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2266		3751
2267	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2268		3758
2269	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2270	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2271	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2272	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2273	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2274	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2275	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2276	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2277	$pl->save;	3770	$pl->save;
2278	}	3771	}
2279	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2280		3773
2281	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2282	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2283	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3779	$map->valid or next;
2285	$map->save;	3780	$map->save;
2286	}	3781	}
2287	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
		3783
		3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
		3787	BDB::db_env_txn_checkpoint $DB_ENV;
		3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2288	};	3812	};
2289		3813
2290	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2291	}	3815	}
2292		3816
		3817	sub post_cleanup {
		3818	my ($make_core) = @_;
		3819
		3820	IO::AIO::flush;
		3821
		3822	error Carp::longmess "post_cleanup backtrace"
		3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
		3852	}
		3853
2293	sub reload() {	3854	sub do_reload_perl() {
2294	# can/must only be called in main	3855	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2296	warn "can only reload from main coroutine\n";	3857	error "can only reload from main coroutine";
2297	return;	3858	return;
2298	}	3859	}
2299		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2300	warn "reloading...";	3866	info "reloading...";
2301		3867
2302	warn "freezing server";	3868	trace "entering sync_job";
2303	my $guard = freeze_mainloop;	3869
		3870	cf::sync_job {
2304	cf::emergency_save;	3871	cf::emergency_save;
2305		3872
2306	warn "sync database to disk";
2307	cf::db_sync;
2308	IO::AIO::flush;
2309
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved
2312
2313	warn "cancel all watchers";
2314	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}
2317
2318	warn "cancel all extension coros";	3873	trace "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3875	%EXT_CORO = ();
2321		3876
2322	warn "remove commands";	3877	trace "removing commands";
2323	%COMMAND = ();	3878	%COMMAND = ();
2324		3879
2325	warn "remove ext commands";	3880	trace "removing ext/exti commands";
2326	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2327		3883
2328	warn "unload/nuke all extensions";	3884	trace "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2331		3887
2332	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3889	eval {
2334	$cb->($pkg);	3890	$cb->($pkg);
2335	1	3891	1
2336	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2337	}	3897	}
2338		3898
2339	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;
2341	}
2342
2343	warn "unload all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3902
2347	warn "removing <$k>";	3903	trace "... unloading $k";
2348	delete $INC{$k};	3904	delete $INC{$k};
2349		3905
2350	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2352		3908
2353	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2354	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2355	}	3914	}
2356		3915
2357	Symbol::delete_package $k;
2358	}
2359
2360	warn "get rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3919
2364	warn "unload cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2366		3923
2367	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2368	# and global variables created in xs	3925	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2370		3927
		3928	info "unload completed, starting to reload now";
		3929
2371	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2372	require cf;	3931	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2374		3933
2375	warn "load config and database again";	3934	trace "loading config and database again";
2376	cf::cfg_load;	3935	cf::reload_config;
2377	cf::db_load;
2378		3936
2379	warn "load extensions";	3937	trace "loading extensions";
2380	cf::load_extensions;	3938	cf::load_extensions;
2381		3939
		3940	if ($REATTACH_ON_RELOAD) {
2382	warn "reattach attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2383	_global_reattach;	3942	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	3943	trace "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
		3945	trace "reattaching attachments to players";
		3946	reattach $_ for values %PLAYER;
		3947	}
		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
		3952	trace "leaving sync_job";
		3953
		3954	1
		3955	} or do {
		3956	error $@;
		3957	cf::cleanup "error while reloading, exiting.";
		3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
		3962	}
		3963
		3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
		3966	};
		3967
		3968	our $RELOAD_WATCHER; # used only during reload
		3969
		3970	sub reload_perl() {
		3971	# doing reload synchronously and two reloads happen back-to-back,
		3972	# coro crashes during coro_state_free->destroy here.
		3973
		3974	$RELOAD_WATCHER ||= cf::async {
		3975	Coro::AIO::aio_wait cache_extensions;
		3976
		3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3978	do_reload_perl;
		3979	undef $RELOAD_WATCHER;
		3980	};
2386	};	3981	};
2387		3982	}
2388	if ($@) {
2389	warn $@;
2390	warn "error while reloading, exiting.";
2391	exit 1;
2392	}
2393
2394	warn "reloaded";
2395	};
2396
2397	our $RELOAD_WATCHER; # used only during reload
2398		3983
2399	register_command "reload" => sub {	3984	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2401		3986
2402	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
2404		3989	async {
2405	# doing reload synchronously and two reloads happen back-to-back,	3990	$Coro::current->{desc} = "perl_reload";
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;	3991	reload_perl;
2410	undef $RELOAD_WATCHER;
2411	});	3992	};
2412	}	3993	}
2413	};	3994	};
2414		3995
2415	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2416		3997
2417	$TICK_WATCHER = Event->timer (	3998	my $bug_warning = 0;
2418	reentrant => 0,
2419	prio => 0,
2420	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,
2422	cb => sub {
2423	$NOW = Event::time;
2424		3999
		4000	our @WAIT_FOR_TICK;
		4001	our @WAIT_FOR_TICK_BEGIN;
		4002
		4003	sub wait_for_tick {
		4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4005
		4006	my $signal = new Coro::Signal;
		4007	push @WAIT_FOR_TICK, $signal;
		4008	$signal->wait;
		4009	}
		4010
		4011	sub wait_for_tick_begin {
		4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4013
		4014	my $signal = new Coro::Signal;
		4015	push @WAIT_FOR_TICK_BEGIN, $signal;
		4016	$signal->wait;
		4017	}
		4018
		4019	sub tick {
		4020	if ($Coro::current != $Coro::main) {
		4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4022	unless ++$bug_warning > 10;
		4023	return;
		4024	}
		4025
2425	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2426	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;
2428		4027
2429	$WAIT_FOR_TICK->broadcast;	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2431		4029
2432	# if we are delayed by four ticks or more, skip them all	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2434		4032	Coro::async_pool {
2435	$TICK_WATCHER->at ($NEXT_TICK);	4033	$Coro::current->{desc} = "runtime saver";
2436	$TICK_WATCHER->start;
2437	},
2438	);
2439
2440	IO::AIO::max_poll_time $TICK * 0.2;
2441
2442	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,
2452	after => 0,
2453	interval => 10,
2454	cb => sub {
2455	(Coro::unblock_sub {
2456	write_runtime	4034	write_runtime_sync
2457	or warn "ERROR: unable to write runtime file: $!";	4035	or error "ERROR: unable to write runtime file: $!";
2458	})->();	4036	};
2459	},	4037	}
2460	);	4038
		4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4040	$sig->send;
		4041	}
		4042	while (my $sig = shift @WAIT_FOR_TICK) {
		4043	$sig->send;
		4044	}
		4045
		4046	$LOAD = ($NOW - $TICK_START) / $TICK;
		4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4048
		4049	if (0) {
		4050	if ($NEXT_TICK) {
		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
		4055	}
		4056	}
		4057
		4058	{
		4059	# configure BDB
		4060
		4061	BDB::min_parallel 16;
		4062	BDB::max_poll_reqs $TICK * 0.1;
		4063	$AnyEvent::BDB::WATCHER->priority (1);
		4064
		4065	unless ($DB_ENV) {
		4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4072
		4073	cf::sync_job {
		4074	eval {
		4075	BDB::db_env_open
		4076	$DB_ENV,
		4077	$BDBDIR,
		4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4080	0666;
		4081
		4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4083	};
		4084
		4085	cf::cleanup "db_env_open(db): $@" if $@;
		4086	};
		4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
		4098	}
		4099
		4100	{
		4101	# configure IO::AIO
		4102
		4103	IO::AIO::min_parallel 8;
		4104	IO::AIO::max_poll_time $TICK * 0.1;
		4105	undef $AnyEvent::AIO::WATCHER;
		4106	}
		4107
		4108	my $_log_backtrace;
		4109
		4110	sub _log_backtrace {
		4111	my ($msg, @addr) = @_;
		4112
		4113	$msg =~ s/\n//;
		4114
		4115	# limit the # of concurrent backtraces
		4116	if ($_log_backtrace < 2) {
		4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
		4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
		4122	my @bt = fork_call {
		4123	@addr = map { sprintf "%x", $_ } @addr;
		4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4126	or die "addr2line: $!";
		4127
		4128	my @funcs;
		4129	my @res = <$fh>;
		4130	chomp for @res;
		4131	while (@res) {
		4132	my ($func, $line) = splice @res, 0, 2, ();
		4133	push @funcs, "[$func] $line";
		4134	}
		4135
		4136	@funcs
		4137	};
		4138
		4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4141	LOG llevInfo, "[ABT] $_\n" for @bt;
		4142	--$_log_backtrace;
		4143	};
		4144	} else {
		4145	LOG llevInfo, "[ABT] $msg\n";
		4146	LOG llevInfo, "[ABT] [suppressed]\n";
		4147	}
		4148	}
		4149
		4150	# load additional modules
		4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
2461		4153
2462	END { cf::emergency_save }	4154	END { cf::emergency_save }
2463		4155
2464	1	4156	1
2465		4157

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