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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.504 by root, Sat Jan 30 23:50:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	115	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
61		124
62	our %CFG;	125	our %CFG;
63		126
64	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
66		130
67	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		134
76	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
79	binmode STDOUT;	148	binmode STDOUT;
80	binmode STDERR;	149	binmode STDERR;
81		150
82	# read virtual server time, if available	151	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
87	}	156	}
88		157
89	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	159
91	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		162
96	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
97		164
98	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		177
100	#############################################################################	178	#############################################################################
101		179
102	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
103		181
…		…
110	=item $cf::RUNTIME	188	=item $cf::RUNTIME
111		189
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	191	every server tick.
114		192
115	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		196
117	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
119		201
120	=item $cf::NOW	202	=item $cf::NOW
121		203
122	The time of the last (current) server tick.	204	The time of the last (current) server tick.
123		205
124	=item $cf::TICK	206	=item $cf::TICK
125		207
126	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
127		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
128	=item %cf::CFG	220	=item %cf::CFG
129		221
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	223	from wherever your confdir points to.
132		224
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		226
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
139		242
140	=back	243	=back
141		244
142	=cut	245	=cut
143		246
144	BEGIN {	247	$Coro::State::WARNHOOK = sub {
145	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	248	my $msg = join "", @_;
147	utf8::encode $msg;
148		249
149	$msg .= "\n"	250	$msg .= "\n"
150	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
151		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
152	LOG llevError, $msg;	255	LOG llevError, $msg;
153	};	256	};
154	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
155		271
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		279
163	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	281	# within the Safe compartment.
165	for my $pkg (qw(	282	for my $pkg (qw(
166	cf::global cf::attachable	283	cf::global cf::attachable
167	cf::object cf::object::player	284	cf::object cf::object::player
168	cf::client cf::player	285	cf::client cf::player
169	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
170	cf::map cf::party cf::region	288	cf::party cf::region
171	)) {	289	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	291	}
175		292
176	$Event::DIED = sub {	293	$EV::DIED = sub {
177	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
178	};	295	};
		296
		297	#############################################################################
179		298
180	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
181		300
182	=over 4	301	=over 4
183		302
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	322	$d
204	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
205	}	324	}
206		325
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
210		327
211	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
212		329
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
221		331
222	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
223		333
224	=cut	334	=cut
225		335
226	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
228	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
229	}	353	}
230		354
231	=item cf::lock_wait $string	355	=item cf::lock_wait $string
232		356
233	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
234		358
235	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
236		360
237	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
240	returned.	364	returned.
241		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
242	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
244		371
245	=cut	372	=item $locked = cf::lock_active $string
246		373
247	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
248		379
249	sub lock_wait($) {	380	sub lock_wait($) {
250	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	382	}
258		383
259	sub lock_acquire($) {	384	sub lock_acquire($) {
260	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
261		387
262	# wait, to be sure we are not locked	388	sub lock_active($) {
263	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	390	}
272		391
273	sub freeze_mainloop {	392	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
275		394
276	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
278	};	462	}
279	$TICK_WATCHER->stop;	463	};
280	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
281	}	478	}
282		479
283	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
284		481
285	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		487
291	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
292		489
293	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
294		491
295	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
298		496
299	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
302	fast or be very important.	500	fast or be very important.
…		…
305		503
306	sub sync_job(&) {	504	sub sync_job(&) {
307	my ($job) = @_;	505	my ($job) = @_;
308		506
309	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
310	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
312		512
313	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	514
315	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
316		516
317	my $busy = 1;	517	my $busy = 1;
318	my @res;	518	my @res;
319		519
320	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	522	@res = eval { $job->() };
322	warn $@ if $@;	523	warn $@ if $@;
323	undef $busy;	524	undef $busy;
324	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
325		526
326	while ($busy) {	527	while ($busy) {
327	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
328	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
329		538
330	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
331	} else {	540	} else {
332	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
333		542
…		…
353	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
354		563
355	$coro	564	$coro
356	}	565	}
357		566
358	sub write_runtime {	567	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		568
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
362	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
363		573
364	my $value = $cf::RUNTIME + 90 + 10;	574	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		575
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	576	sub fork_call(&@) {
369	and return;	577	my ($cb, @args) = @_;
370		578
371	# always fsync - this file is important	579	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	580	# otherwise perl prematurely frees the stuff :/
373	and return;	581	# TODO: investigate and fix (likely this will be rather laborious)
374		582
375	close $fh	583	my @res = Coro::Util::fork_eval {
376	or return;	584	reset_signals;
		585	&$cb
		586	}, @args;
377		587
378	aio_rename "$runtime~", $runtime	588	wantarray ? @res : $res[-1]
379	and return;	589	}
380		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
381	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	754	}
383		755
384	=back	756	=back
385		757
386	=cut	758	=cut
387		759
388	#############################################################################	760	#############################################################################
389		761
390	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
391		763
392	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
395		767
396	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	770	Deliantra).
399		771
400	=over 4	772	=over 4
401		773
402	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
403		775
…		…
447	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
448		820
449	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
451		823
452	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
454		826
455	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
456		828
457	=over 4	829	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
567		939
568	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		944
573	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	946	my $pkg = shift @arg;
575		947
576	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
606	}	978	}
607		979
608	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
609	} else {	981	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	983	}
612		984
613	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
614	}	986	}
615		987
…		…
617	if (ref $_[0]) {	989	if (ref $_[0]) {
618	_object_attach @_;	990	_object_attach @_;
619	} else {	991	} else {
620	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
621	}	993	}
		994	_recalc_want;
622	};	995	};
623		996
624	# all those should be optimised	997	# all those should be optimised
625	sub cf::attachable::detach {	998	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1003	reattach ($obj);
631	} else {	1004	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
633	}	1006	}
		1007	_recalc_want;
634	};	1008	};
635		1009
636	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
638		1012
…		…
653	";	1027	";
654	die if $@;	1028	die if $@;
655	}	1029	}
656		1030
657	our $override;	1031	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1033
660	sub override {	1034	sub override {
661	$override = 1;	1035	$override = 1;
662	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
663	}	1037	}
664		1038
665	sub do_invoke {	1039	sub do_invoke {
666	my $event = shift;	1040	my $event = shift;
667	my $callbacks = shift;	1041	my $callbacks = shift;
668		1042
669	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
670		1044
671	local $override;	1045	local $override;
672		1046
673	for (@$callbacks) {	1047	for (@$callbacks) {
674	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
683	}	1057	}
684		1058
685	0	1059	0
686	}	1060	}
687		1061
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1063
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1065
692	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
693		1067
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1071
698	=back	1072	=back
699		1073
700	=cut	1074	=cut
701		1075
702	#############################################################################	1076	#############################################################################
703	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
704		1120
705	sub reattach {	1121	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1123	my ($obj) = @_;
708		1124
		1125	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1127
711	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
712		1129
713	@$registry = ();	1130	@$registry = ();
714		1131
…		…
729	cf::attachable->attach (	1146	cf::attachable->attach (
730	prio => -1000000,	1147	prio => -1000000,
731	on_instantiate => sub {	1148	on_instantiate => sub {
732	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
733		1150
734	$data = from_json $data;	1151	$data = decode_json $data;
735		1152
736	for (@$data) {	1153	for (@$data) {
737	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
738		1155
739	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1172	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
757		1174
758	sync_job {	1175	sync_job {
759	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
762		1180
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
767	close $fh;	1188	aio_close $fh;
768		1189
769	if (@$objs) {	1190	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
775	close $fh;	1199	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
777	}	1201	}
778	} else {	1202	} else {
779	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
780	}	1204	}
781		1205
782	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1210	} else {
784	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
785	}	1212	}
786	} else {	1213	} else {
787	aio_unlink $filename;	1214	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
789	}	1216	}
790	}	1217	};
791	}	1218	}
792		1219
793	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
795		1222
…		…
807	or return;	1234	or return;
808		1235
809	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
811	or return;	1238	or return;
		1239
812	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
813	}	1242	}
814		1243
		1244	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
817	return ($data, $av);	1248	($data, $av)
818	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
819		1256
820	#############################################################################	1257	#############################################################################
821	# command handling &c	1258	# command handling &c
822		1259
823	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1274	}
838		1275
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1277
841	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
842		1283
843	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
844	called.	1285	called.
845		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
846	=cut	1298	=cut
847		1299
848	sub register_extcmd {	1300	sub register_extcmd {
849	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
850		1302
851	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
852	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
853		1313
854	cf::player->attach (	1314	cf::player->attach (
855	on_command => sub {	1315	on_command => sub {
856	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
857		1317
…		…
865	cf::override;	1325	cf::override;
866	},	1326	},
867	on_extcmd => sub {	1327	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
869		1329
870	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1331
872	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
878	} else {	1347	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1349	}
881		1350
882	cf::override;	1351	cf::override;
883	},	1352	},
884	);	1353	);
885		1354
		1355	# "readahead" all extensions
886	sub load_extension {	1356	sub cache_extensions {
887	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
888		1358
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1362	}
914	die $@;
915	}	1363	};
916		1364
917	push @EXTS, $pkg;	1365	$grp
918	}	1366	}
919		1367
920	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
921	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1373	next unless -r $path;
923	eval {	1374
924	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my %done;
		1405	while (%todo) {
		1406	my $progress;
		1407
		1408	while (my ($k, $v) = each %todo) {
		1409	for (split /,\s*/, $v->{meta}{depends}) {
		1410	goto skip
		1411	unless exists $done{$_};
		1412	}
		1413
		1414	warn "... loading '$k' into '$v->{pkg}'\n";
		1415
		1416	unless (eval $v->{source}) {
		1417	my $msg = $@ ? "$v->{path}: $@\n"
		1418	: "$v->{base}: extension inactive.\n";
		1419
		1420	if (exists $v->{meta}{mandatory}) {
		1421	warn $msg;
		1422	cf::cleanup "mandatory extension failed to load, exiting.";
		1423	}
		1424
		1425	warn $msg;
		1426	}
		1427
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
925	1	1431	}
926	} or warn "$ext not loaded: $@";	1432
		1433	skip:
		1434	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1435	unless $progress;
		1436	}
927	}	1437	};
928	}	1438	}
929		1439
930	#############################################################################	1440	#############################################################################
931		1441
		1442	=back
		1443
932	=head2 CORE EXTENSIONS	1444	=head2 CORE EXTENSIONS
933		1445
934	Functions and methods that extend core crossfire objects.	1446	Functions and methods that extend core deliantra objects.
935		1447
936	=cut	1448	=cut
937		1449
938	package cf::player;	1450	package cf::player;
939		1451
…		…
941		1453
942	=head3 cf::player	1454	=head3 cf::player
943		1455
944	=over 4	1456	=over 4
945		1457
		1458	=item cf::player::num_playing
		1459
		1460	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1461
		1462	=cut
		1463
		1464	sub num_playing {
		1465	scalar grep
		1466	$_->ob->map
		1467	&& !$_->hidden
		1468	&& !$_->ob->flag (cf::FLAG_WIZ),
		1469	cf::player::list
		1470	}
		1471
946	=item cf::player::find $login	1472	=item cf::player::find $login
947		1473
948	Returns the given player object, loading it if necessary (might block).	1474	Returns the given player object, loading it if necessary (might block).
949		1475
950	=cut	1476	=cut
951		1477
952	sub playerdir($) {	1478	sub playerdir($) {
953	cf::localdir	1479	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1480	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1481	}
959		1482
960	sub path($) {	1483	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1484	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1485
963	(playerdir $login) . "/$login.pl"	1486	(playerdir $login) . "/playerdata"
964	}	1487	}
965		1488
966	sub find_active($) {	1489	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1490	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1491	and $cf::PLAYER{$_[0]}->active
…		…
971		1494
972	sub exists($) {	1495	sub exists($) {
973	my ($login) = @_;	1496	my ($login) = @_;
974		1497
975	$cf::PLAYER{$login}	1498	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1499	or !aio_stat path $login
977	}	1500	}
978		1501
979	sub find($) {	1502	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1503	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1504	my $login = $_[0];
982		1505
983	my $guard = cf::lock_acquire "user_find:$login";	1506	my $guard = cf::lock_acquire "user_find:$login";
984		1507
985	$cf::PLAYER{$_[0]} || do {	1508	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1509	# rename old playerfiles to new ones
		1510	#TODO: remove when no longer required
		1511	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1512	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1513	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1514	aio_unlink +(playerdir $login) . "/$login.pl";
		1515
		1516	my $f = new_from_file cf::object::thawer path $login
987	or return;	1517	or return;
		1518
		1519	my $pl = cf::player::load_pl $f
		1520	or return;
		1521
		1522	local $cf::PLAYER_LOADING{$login} = $pl;
		1523	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1524	$cf::PLAYER{$login} = $pl
989	}	1525	}
990	}	1526	}
991	}	1527	}
992		1528
…		…
1001	return if $pl->{deny_save};	1537	return if $pl->{deny_save};
1002		1538
1003	aio_mkdir playerdir $pl, 0770;	1539	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1540	$pl->{last_save} = $cf::RUNTIME;
1005		1541
		1542	cf::get_slot 0.01;
		1543
1006	$pl->save_pl ($path);	1544	$pl->save_pl ($path);
1007	Coro::cede;	1545	cf::cede_to_tick;
1008	}	1546	}
1009		1547
1010	sub new($) {	1548	sub new($) {
1011	my ($login) = @_;	1549	my ($login) = @_;
1012		1550
…		…
1018	$cf::PLAYER{$login} = $self;	1556	$cf::PLAYER{$login} = $self;
1019		1557
1020	$self	1558	$self
1021	}	1559	}
1022		1560
		1561	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1562
		1563	=cut
		1564
		1565	sub send_msg {
		1566	my $ns = shift->ns
		1567	or return;
		1568	$ns->send_msg (@_);
		1569	}
		1570
1023	=item $pl->quit_character	1571	=item $pl->quit_character
1024		1572
1025	Nukes the player without looking back. If logged in, the connection will	1573	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1574	be destroyed. May block for a long time.
1027		1575
1028	=cut	1576	=cut
1029		1577
1030	sub quit_character {	1578	sub quit_character {
1031	my ($pl) = @_;	1579	my ($pl) = @_;
1032		1580
		1581	my $name = $pl->ob->name;
		1582
1033	$pl->{deny_save} = 1;	1583	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1584	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1585
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1586	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1587	$pl->deactivate;
		1588	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1589	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1590	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1591	$pl->ns->destroy if $pl->ns;
1040		1592
1041	my $path = playerdir $pl;	1593	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1594	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1595	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1596	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1597	$pl->destroy;
		1598
		1599	my $prefix = qr<^~\Q$name\E/>;
		1600
		1601	# nuke player maps
		1602	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1603
1046	IO::AIO::aio_rmtree $temp;	1604	IO::AIO::aio_rmtree $temp;
		1605	}
		1606
		1607	=item $pl->kick
		1608
		1609	Kicks a player out of the game. This destroys the connection.
		1610
		1611	=cut
		1612
		1613	sub kick {
		1614	my ($pl, $kicker) = @_;
		1615
		1616	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1617	$pl->killer ("kicked");
		1618	$pl->ns->destroy;
1047	}	1619	}
1048		1620
1049	=item cf::player::list_logins	1621	=item cf::player::list_logins
1050		1622
1051	Returns am arrayref of all valid playernames in the system, can take a	1623	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1624	while and may block, so not sync_job-capable, ever.
1053		1625
1054	=cut	1626	=cut
1055		1627
1056	sub list_logins {	1628	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1629	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1630	or return [];
1059		1631
1060	my @logins;	1632	my @logins;
1061		1633
1062	for my $login (@$dirs) {	1634	for my $login (@$dirs) {
		1635	my $path = path $login;
		1636
		1637	# a .pst is a dead give-away for a valid player
		1638	# if no pst file found, open and chekc for blocked users
		1639	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1640	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1641	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1642	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1643	}
1066		1644
1067	utf8::decode $login;	1645	utf8::decode $login;
1068	push @logins, $login;	1646	push @logins, $login;
1069	}	1647	}
1070		1648
…		…
1097	}	1675	}
1098		1676
1099	\@paths	1677	\@paths
1100	}	1678	}
1101		1679
		1680	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1681
		1682	Expand deliantra pod fragments into protocol xml.
		1683
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1684	=item $player->ext_reply ($msgid, @msg)
1103		1685
1104	Sends an ext reply to the player.	1686	Sends an ext reply to the player.
1105		1687
1106	=cut	1688	=cut
1107		1689
1108	sub ext_reply($$$%) {	1690	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1691	my ($self, $id, @msg) = @_;
1110		1692
1111	$msg{msgid} = $id;	1693	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1694	}
1115		1695
1116	package cf;	1696	=item $player->ext_msg ($type, @msg)
		1697
		1698	Sends an ext event to the client.
		1699
		1700	=cut
		1701
		1702	sub ext_msg($$@) {
		1703	my ($self, $type, @msg) = @_;
		1704
		1705	$self->ns->ext_msg ($type, @msg);
		1706	}
		1707
		1708	=head3 cf::region
		1709
		1710	=over 4
		1711
		1712	=cut
		1713
		1714	package cf::region;
		1715
		1716	=item cf::region::find_by_path $path
		1717
		1718	Tries to decuce the likely region for a map knowing only its path.
		1719
		1720	=cut
		1721
		1722	sub find_by_path($) {
		1723	my ($path) = @_;
		1724
		1725	my ($match, $specificity);
		1726
		1727	for my $region (list) {
		1728	if ($region->{match} && $path =~ $region->{match}) {
		1729	($match, $specificity) = ($region, $region->specificity)
		1730	if $region->specificity > $specificity;
		1731	}
		1732	}
		1733
		1734	$match
		1735	}
1117		1736
1118	=back	1737	=back
1119
1120		1738
1121	=head3 cf::map	1739	=head3 cf::map
1122		1740
1123	=over 4	1741	=over 4
1124		1742
…		…
1136	our $MAX_RESET = 3600;	1754	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1755	our $DEFAULT_RESET = 3000;
1138		1756
1139	sub generate_random_map {	1757	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1758	my ($self, $rmp) = @_;
		1759
		1760	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1761
1141	# mit "rum" bekleckern, nicht	1762	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1763	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1764	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1765	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1766	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1800	my ($self, $merge) = @_;
1180		1801
1181	# we have to keep some variables in memory intact	1802	# we have to keep some variables in memory intact
1182	local $self->{path};	1803	local $self->{path};
1183	local $self->{load_path};	1804	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1805
1187	$self->SUPER::thawer_merge ($merge);	1806	$self->SUPER::thawer_merge ($merge);
1188	}	1807	}
1189		1808
1190	sub normalise {	1809	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1856	$self->init; # pass $1 etc.
1238	return $self;	1857	return $self;
1239	}	1858	}
1240	}	1859	}
1241		1860
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1861	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1862	()
1244	}	1863	}
1245		1864
1246	sub init {	1865	sub init {
1247	my ($self) = @_;	1866	my ($self) = @_;
…		…
1262		1881
1263	# the original (read-only) location	1882	# the original (read-only) location
1264	sub load_path {	1883	sub load_path {
1265	my ($self) = @_;	1884	my ($self) = @_;
1266		1885
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1886	"$MAPDIR/$self->{path}.map"
1268	}	1887	}
1269		1888
1270	# the temporary/swap location	1889	# the temporary/swap location
1271	sub save_path {	1890	sub save_path {
1272	my ($self) = @_;	1891	my ($self) = @_;
1273		1892
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1894	"$TMPDIR/$path.map"
1276	}	1895	}
1277		1896
1278	# the unique path, undef == no special unique path	1897	# the unique path, undef == no special unique path
1279	sub uniq_path {	1898	sub uniq_path {
1280	my ($self) = @_;	1899	my ($self) = @_;
1281		1900
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1901	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1902	"$UNIQUEDIR/$path"
1284	}	1903	}
1285		1904
1286	# and all this just because we cannot iterate over	1905	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1906	my ($self) = @_;
1290		1907
1291	$_->change_map_light ($change)	1908	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1909
		1910	$self->do_decay_objects;
1293	}	1911	}
1294		1912
1295	sub unlink_save {	1913	sub unlink_save {
1296	my ($self) = @_;	1914	my ($self) = @_;
1297		1915
…		…
1302		1920
1303	sub load_header_from($) {	1921	sub load_header_from($) {
1304	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1305		1923
1306	utf8::encode $path;	1924	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1312		1933
1313	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1314		1935
1315	1	1936	1
1316	}	1937	}
…		…
1355	$self->load_header_orig	1976	$self->load_header_orig
1356	or return;	1977	or return;
1357	$self->prepare_orig;	1978	$self->prepare_orig;
1358	}	1979	}
1359		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
		1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
1360	1	1987	1
1361	}	1988	}
1362		1989
1363	sub find;	1990	sub find;
1364	sub find {	1991	sub find {
1365	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1366		1993
1367	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1368		1995
		1996	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1370		1998
1371	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1374	or return;	2001	or return;
1375		2002
1376	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1377		2004
1378	$map->load_header	2005	$map->load_header
1379	or return;	2006	or return;
1380		2007
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1384	$map->reset;	2013	$map->reset;
1385	undef $guard;
1386	return find $path;	2014	return find $path;
1387	}	2015	}
1388		2016
1389	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1390	}	2018	}
1391	}	2019	}
1392		2020
1393	sub pre_load { }	2021	sub pre_load { }
1394	sub post_load { }	2022	#sub post_load { } # XS
1395		2023
1396	sub load {	2024	sub load {
1397	my ($self) = @_;	2025	my ($self) = @_;
1398		2026
1399	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1400		2028
1401	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1403		2033
		2034	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2036
1406	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1407		2038
1408	$self->alloc;	2039	$self->alloc;
1409		2040
1410	$self->pre_load;	2041	$self->pre_load;
		2042	cf::cede_to_tick;
1411		2043
1412	$self->_load_objects ($self->{load_path}, 1)	2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1413	or return;	2047	or return;
1414		2048
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1416	if delete $self->{load_original};	2050	if delete $self->{load_original};
1417		2051
1418	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2053	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2056	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1423	}	2060	}
1424	}	2061	}
1425		2062
1426	Coro::cede;	2063	$f->resolve_delayed_derefs;
1427		2064
		2065	cf::cede_to_tick;
1428	# now do the right thing for maps	2066	# now do the right thing for maps
1429	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2069	unless $self->difficulty;
1439	Coro::cede;	2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
1440	$self->activate;	2077	$self->activate;
		2078	}
		2079
		2080	$self->{last_save} = $cf::RUNTIME;
		2081	$self->last_access ($cf::RUNTIME);
		2082
		2083	$self->in_memory (cf::MAP_ACTIVE);
1441	}	2084	}
1442		2085
1443	$self->post_load;	2086	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2087	}
1447		2088
1448	sub customise_for {	2089	sub customise_for {
1449	my ($self, $ob) = @_;	2090	my ($self, $ob) = @_;
1450		2091
1451	return find "~" . $ob->name . "/" . $self->{path}	2092	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2093	if $self->per_player;
1453		2094
		2095	# return find "?party/" . $ob->name . "/" . $self->{path}
		2096	# if $self->per_party;
		2097
1454	$self	2098	$self
1455	}	2099	}
1456		2100
1457	# find and load all maps in the 3x3 area around a map	2101	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2102	sub load_neighbours {
1459	my ($map) = @_;	2103	my ($map) = @_;
1460		2104
1461	my @diag; # diagonal neighbours	2105	my @neigh; # diagonal neighbours
1462		2106
1463	for (0 .. 3) {	2107	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2108	my $neigh = $map->tile_path ($_)
1465	or next;	2109	or next;
1466	$neigh = find $neigh, $map	2110	$neigh = find $neigh, $map
1467	or next;	2111	or next;
1468	$neigh->load;	2112	$neigh->load;
1469		2113
		2114	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2115	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2116	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2117	}
1473		2118
1474	for (@diag) {	2119	for (grep defined $_->[0], @neigh) {
		2120	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2121	my $neigh = find $path, $origin
1476	or next;	2122	or next;
1477	$neigh->load;	2123	$neigh->load;
1478	}	2124	}
1479	}	2125	}
1480		2126
…		…
1485	}	2131	}
1486		2132
1487	sub do_load_sync {	2133	sub do_load_sync {
1488	my ($map) = @_;	2134	my ($map) = @_;
1489		2135
		2136	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2137	if $Coro::current == $Coro::main;
		2138
1490	cf::sync_job { $map->load };	2139	cf::sync_job { $map->load };
1491	}	2140	}
1492		2141
1493	our %MAP_PREFETCH;	2142	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2143	our $MAP_PREFETCHER = undef;
1495		2144
1496	sub find_async {	2145	sub find_async {
1497	my ($path, $origin) = @_;	2146	my ($path, $origin, $load) = @_;
1498		2147
1499	$path = normalise $path, $origin && $origin->{path};	2148	$path = normalise $path, $origin && $origin->{path};
1500		2149
1501	if (my $map = $cf::MAP{$path}) {	2150	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2151	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2152	}
1504		2153
1505	undef $MAP_PREFETCH{$path};	2154	$MAP_PREFETCH{$path} |= $load;
		2155
1506	$MAP_PREFETCHER ||= cf::async {	2156	$MAP_PREFETCHER ||= cf::async {
		2157	$Coro::current->{desc} = "map prefetcher";
		2158
1507	while (%MAP_PREFETCH) {	2159	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2160	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2161	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2162	$map->load if $v;
		2163	}
1512		2164
1513	delete $MAP_PREFETCH{$path};	2165	delete $MAP_PREFETCH{$k};
1514	}	2166	}
1515	}	2167	}
1516	undef $MAP_PREFETCHER;	2168	undef $MAP_PREFETCHER;
1517	};	2169	};
1518	$MAP_PREFETCHER->prio (6);	2170	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2173	}
1522		2174
1523	sub save {	2175	sub save {
1524	my ($self) = @_;	2176	my ($self) = @_;
1525		2177
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2179
1528	$self->{last_save} = $cf::RUNTIME;	2180	$self->{last_save} = $cf::RUNTIME;
1529		2181
1530	return unless $self->dirty;	2182	return unless $self->dirty;
1531		2183
…		…
1537	return if $self->{deny_save};	2189	return if $self->{deny_save};
1538		2190
1539	local $self->{last_access} = $self->last_access;#d#	2191	local $self->{last_access} = $self->last_access;#d#
1540		2192
1541	cf::async {	2193	cf::async {
		2194	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2195	$_->contr->save for $self->players;
1543	};	2196	};
		2197
		2198	cf::get_slot 0.02;
1544		2199
1545	if ($uniq) {	2200	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2201	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2202	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2203	} else {
…		…
1554	my ($self) = @_;	2209	my ($self) = @_;
1555		2210
1556	# save first because save cedes	2211	# save first because save cedes
1557	$self->save;	2212	$self->save;
1558		2213
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2215
1561	return if $self->players;	2216	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2217	return if $self->in_memory != cf::MAP_ACTIVE;
1563	return if $self->{deny_save};	2218	return if $self->{deny_save};
1564		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	$self->deactivate;
		2223	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2224	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2225	}
1568		2226
1569	sub reset_at {	2227	sub reset_at {
1570	my ($self) = @_;	2228	my ($self) = @_;
1571		2229
1572	# TODO: safety, remove and allow resettable per-player maps	2230	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2231	return 1e99 if $self->{deny_reset};
1575		2232
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2233	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2234	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2235
…		…
1589	my ($self) = @_;	2246	my ($self) = @_;
1590		2247
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2248	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2249
1593	return if $self->players;	2250	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2251
1596	warn "resetting map ", $self->path;#d#	2252	warn "resetting map ", $self->path, "\n";
1597		2253
1598	$self->in_memory (cf::MAP_SWAPPED);	2254	$self->in_memory (cf::MAP_SWAPPED);
1599		2255
1600	# need to save uniques path	2256	# need to save uniques path
1601	unless ($self->{deny_save}) {	2257	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2261	if $uniq;
1606	}	2262	}
1607		2263
1608	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1609		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2268	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2269
1614	$self->unlink_save;	2270	$self->unlink_save;
1615	$self->destroy;	2271	$self->destroy;
1616	}	2272	}
1617		2273
1618	my $nuke_counter = "aaaa";	2274	my $nuke_counter = "aaaa";
1619		2275
1620	sub nuke {	2276	sub nuke {
1621	my ($self) = @_;	2277	my ($self) = @_;
1622		2278
		2279	{
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
1623	delete $cf::MAP{$self->path};	2282	delete $cf::MAP{$self->path};
1624		2283
1625	$self->unlink_save;	2284	$self->unlink_save;
1626		2285
1627	bless $self, "cf::map";	2286	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2287	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2288	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2289	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2290	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2291
1633	$cf::MAP{$self->path} = $self;	2292	$cf::MAP{$self->path} = $self;
		2293	}
1634		2294
1635	$self->reset; # polite request, might not happen	2295	$self->reset; # polite request, might not happen
		2296	}
		2297
		2298	=item $maps = cf::map::tmp_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	maps. May block.
		2302
		2303	=cut
		2304
		2305	sub tmp_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise $_
		2311	: ()
		2312	} @{ aio_readdir $TMPDIR or [] }
		2313	]
		2314	}
		2315
		2316	=item $maps = cf::map::random_maps
		2317
		2318	Returns an arrayref with all map paths of currently instantiated and saved
		2319	random maps. May block.
		2320
		2321	=cut
		2322
		2323	sub random_maps() {
		2324	[
		2325	map {
		2326	utf8::decode $_;
		2327	/\.map$/
		2328	? normalise "?random/$_"
		2329	: ()
		2330	} @{ aio_readdir $RANDOMDIR or [] }
		2331	]
1636	}	2332	}
1637		2333
1638	=item cf::map::unique_maps	2334	=item cf::map::unique_maps
1639		2335
1640	Returns an arrayref of paths of all shared maps that have	2336	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2337	instantiated unique items. May block.
1642		2338
1643	=cut	2339	=cut
1644		2340
1645	sub unique_maps() {	2341	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2342	[
1647	or return;	2343	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2344	utf8::decode $_;
1653	next if /\.pst$/;	2345	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2346	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2347	? ()
1656	push @paths, cf::map::normalise $_;	2348	: normalise $_
		2349	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2350	]
1658
1659	\@paths
1660	}	2351	}
1661		2352
1662	package cf;	2353	=item cf::map::static_maps
		2354
		2355	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2356	file in the shared directory excluding F</styles> and F</editor>). May
		2357	block.
		2358
		2359	=cut
		2360
		2361	sub static_maps() {
		2362	my @dirs = "";
		2363	my @maps;
		2364
		2365	while (@dirs) {
		2366	my $dir = shift @dirs;
		2367
		2368	next if $dir eq "/styles" || $dir eq "/editor";
		2369
		2370	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2371	or return;
		2372
		2373	for (@$files) {
		2374	s/\.map$// or next;
		2375	utf8::decode $_;
		2376	push @maps, "$dir/$_";
		2377	}
		2378
		2379	push @dirs, map "$dir/$_", @$dirs;
		2380	}
		2381
		2382	\@maps
		2383	}
1663		2384
1664	=back	2385	=back
1665		2386
1666	=head3 cf::object	2387	=head3 cf::object
1667		2388
…		…
1671		2392
1672	=over 4	2393	=over 4
1673		2394
1674	=item $ob->inv_recursive	2395	=item $ob->inv_recursive
1675		2396
1676	Returns the inventory of the object _and_ their inventories, recursively.	2397	Returns the inventory of the object I<and> their inventories, recursively,
		2398	but I<not> the object itself.
1677		2399
1678	=cut	2400	=cut
1679		2401
1680	sub inv_recursive_;	2402	sub inv_recursive_;
1681	sub inv_recursive_ {	2403	sub inv_recursive_ {
…		…
1684		2406
1685	sub inv_recursive {	2407	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2408	inv_recursive_ inv $_[0]
1687	}	2409	}
1688		2410
		2411	=item $ref = $ob->ref
		2412
		2413	Creates and returns a persistent reference to an object that can be stored as a string.
		2414
		2415	=item $ob = cf::object::deref ($refstring)
		2416
		2417	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2418	even if the object actually exists. May block.
		2419
		2420	=cut
		2421
		2422	sub deref {
		2423	my ($ref) = @_;
		2424
		2425	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2426	my ($uuid, $name) = ($1, $2);
		2427	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2428	or return;
		2429	$pl->ob->uuid eq $uuid
		2430	or return;
		2431
		2432	$pl->ob
		2433	} else {
		2434	warn "$ref: cannot resolve object reference\n";
		2435	undef
		2436	}
		2437	}
		2438
1689	package cf;	2439	package cf;
1690		2440
1691	=back	2441	=back
1692		2442
1693	=head3 cf::object::player	2443	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2449	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2450	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2451	dialogue with the given NPC character.
1702		2452
1703	=cut	2453	=cut
		2454
		2455	our $SAY_CHANNEL = {
		2456	id => "say",
		2457	title => "Map",
		2458	reply => "say ",
		2459	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2460	};
		2461
		2462	our $CHAT_CHANNEL = {
		2463	id => "chat",
		2464	title => "Chat",
		2465	reply => "chat ",
		2466	tooltip => "Player chat and shouts, global to the server.",
		2467	};
1704		2468
1705	# rough implementation of a future "reply" method that works	2469	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2470	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2471	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2472	sub cf::object::player::reply($$$;$) {
…		…
1710		2474
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2475	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2476
1713	if ($self->{record_replies}) {	2477	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2478	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2479
1715	} else {	2480	} else {
		2481	my $pl = $self->contr;
		2482
		2483	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2484	my $dialog = $pl->{npc_dialog};
		2485	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2486
		2487	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2488	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2489	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2490	}
1718	}	2491	}
		2492	}
		2493
		2494	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2495
		2496	=cut
		2497
		2498	sub cf::object::send_msg {
		2499	my $pl = shift->contr
		2500	or return;
		2501	$pl->send_msg (@_);
1719	}	2502	}
1720		2503
1721	=item $player_object->may ("access")	2504	=item $player_object->may ("access")
1722		2505
1723	Returns wether the given player is authorized to access resource "access"	2506	Returns wether the given player is authorized to access resource "access"
…		…
1736		2519
1737	=item $player_object->enter_link	2520	=item $player_object->enter_link
1738		2521
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2522	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2523
1741	The player should be reasonably safe there for short amounts of time. You	2524	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2525	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2526	though, as the palyer cannot control the character while it is on the link
		2527	map.
1743		2528
1744	Will never block.	2529	Will never block.
1745		2530
1746	=item $player_object->leave_link ($map, $x, $y)	2531	=item $player_object->leave_link ($map, $x, $y)
1747		2532
…		…
1770	$self->deactivate_recursive;	2555	$self->deactivate_recursive;
1771		2556
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2557	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2558
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2559	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2560	if $self->map && $self->map->{path} ne "{link}";
1776		2561
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2562	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2563	}
1779		2564
1780	sub cf::object::player::leave_link {	2565	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2566	my ($self, $map, $x, $y) = @_;
		2567
		2568	return unless $self->contr->active;
1782		2569
1783	my $link_pos = delete $self->{_link_pos};	2570	my $link_pos = delete $self->{_link_pos};
1784		2571
1785	unless ($map) {	2572	unless ($map) {
1786	# restore original map position	2573	# restore original map position
…		…
1797	($x, $y) = (-1, -1)	2584	($x, $y) = (-1, -1)
1798	unless (defined $x) && (defined $y);	2585	unless (defined $x) && (defined $y);
1799		2586
1800	# use -1 or undef as default coordinates, not 0, 0	2587	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2588	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2589	if $x <= 0 && $y <= 0;
1803		2590
1804	$map->load;	2591	$map->load;
1805	$map->load_diag;	2592	$map->load_neighbours;
1806		2593
1807	return unless $self->contr->active;	2594	return unless $self->contr->active;
1808	$self->activate_recursive;
1809		2595
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2596	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2597	$self->enter_map ($map, $x, $y);
1812	}
1813		2598
1814	cf::player->attach (	2599	# only activate afterwards, to support waiting in hooks
1815	on_logout => sub {	2600	$self->activate_recursive;
1816	my ($pl) = @_;	2601	}
1817		2602
1818	# abort map switching before logout	2603	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1819	if ($pl->ob->{_link_pos}) {
1820	cf::sync_job {
1821	$pl->ob->leave_link
1822	};
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2604
1828	# try to abort aborted map switching on player login :)	2605	Moves the player to the given map-path and coordinates by first freezing
1829	# should happen only on crashes	2606	her, loading and preparing them map, calling the provided $check callback
1830	if ($pl->ob->{_link_pos}) {	2607	that has to return the map if sucecssful, and then unfreezes the player on
1831	$pl->ob->enter_link;	2608	the new (success) or old (failed) map position. In either case, $done will
1832	(async {	2609	be called at the end of this process.
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2610
1846	=item $player_object->goto ($path, $x, $y)	2611	Note that $check will be called with a potentially non-loaded map, so if
		2612	it needs a loaded map it has to call C<< ->load >>.
1847		2613
1848	=cut	2614	=cut
		2615
		2616	our $GOTOGEN;
1849		2617
1850	sub cf::object::player::goto {	2618	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2619	my ($self, $path, $x, $y, $check, $done) = @_;
		2620
		2621	# do generation counting so two concurrent goto's will be executed in-order
		2622	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2623
1853	$self->enter_link;	2624	$self->enter_link;
1854		2625
1855	(async {	2626	(async {
		2627	$Coro::current->{desc} = "player::goto $path $x $y";
		2628
		2629	# *tag paths override both path and x|y
		2630	if ($path =~ /^\*(.*)$/) {
		2631	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2632	my $ob = $obs[rand @obs];
		2633
		2634	# see if we actually can go there
		2635	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2636	$ob = $obs[rand @obs];
		2637	} else {
		2638	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2639	}
		2640	# else put us there anyways for now #d#
		2641
		2642	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2643	} else {
		2644	($path, $x, $y) = (undef, undef, undef);
		2645	}
		2646	}
		2647
1856	my $map = eval {	2648	my $map = eval {
1857	my $map = cf::map::find $path;	2649	my $map = defined $path ? cf::map::find $path : undef;
		2650
		2651	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2652	$map = $map->customise_for ($self);
		2653	$map = $check->($map) if $check && $map;
		2654	} else {
		2655	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	}
		2657
1859	$map	2658	$map
		2659	};
		2660
		2661	if ($@) {
		2662	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2664	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2665
		2666	if ($gen == $self->{_goto_generation}) {
		2667	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2668	$self->leave_link ($map, $x, $y);
		2669	}
		2670
		2671	$done->() if $done;
1864	})->prio (1);	2672	})->prio (1);
1865	}	2673	}
1866		2674
1867	=item $player_object->enter_exit ($exit_object)	2675	=item $player_object->enter_exit ($exit_object)
1868		2676
…		…
1888	}	2696	}
1889		2697
1890	sub prepare_random_map {	2698	sub prepare_random_map {
1891	my ($exit) = @_;	2699	my ($exit) = @_;
1892		2700
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2701	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2702	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2703	# that depends on the exit object
1898		2704
1899	my $rmp = parse_random_map_params $exit->msg;	2705	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2707	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2708	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2709	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2710	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2711	$rmp->{origin_y} = $exit->y;
		2712
		2713	$exit->map->touch;
1906	}	2714	}
1907		2715
1908	$rmp->{random_seed} ||= $exit->random_seed;	2716	$rmp->{random_seed} ||= $exit->random_seed;
1909		2717
1910	my $data = cf::to_json $rmp;	2718	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2719	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2720	my $meta = "$RANDOMDIR/$md5.meta";
1913		2721
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2722	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2723	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2724	undef $fh;
1917	aio_rename "$meta~", $meta;	2725	aio_rename "$meta~", $meta;
1918		2726
		2727	my $slaying = "?random/$md5";
		2728
		2729	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2730	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2731	$exit->msg (undef);
		2732	}
1921	}	2733	}
1922	}	2734	}
1923		2735
1924	sub cf::object::player::enter_exit {	2736	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2737	my ($self, $exit) = @_;
1926		2738
1927	return unless $self->type == cf::PLAYER;	2739	return unless $self->type == cf::PLAYER;
1928		2740
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2741	$self->enter_link;
1939		2742
1940	(async {	2743	(async {
1941	$self->deactivate_recursive; # just to be sure	2744	$Coro::current->{desc} = "enter_exit";
		2745
1942	unless (eval {	2746	unless (eval {
		2747	$self->deactivate_recursive; # just to be sure
		2748
		2749	# random map handling
		2750	{
		2751	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2752
		2753	prepare_random_map $exit
		2754	if $exit->slaying eq "/!";
		2755	}
		2756
		2757	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2758	my $x = $exit->stats->hp;
		2759	my $y = $exit->stats->sp;
		2760
1943	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($map, $x, $y);
1944		2762
		2763	# if exit is damned, update players death & WoR home-position
		2764	$self->contr->savebed ($map, $x, $y)
		2765	if $exit->flag (cf::FLAG_DAMNED);
		2766
1945	1;	2767	1
1946	}) {	2768	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2769	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2770	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2771	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2772	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2773
1952	warn "ERROR in enter_exit: $@";	2774	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2775	$self->leave_link;
1954	}	2776	}
1955	})->prio (1);	2777	})->prio (1);
…		…
1968		2790
1969	sub cf::client::send_drawinfo {	2791	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2792	my ($self, $text, $flags) = @_;
1971		2793
1972	utf8::encode $text;	2794	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2795	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2796	}
1975		2797
		2798	=item $client->send_big_packet ($pkt)
		2799
		2800	Like C<send_packet>, but tries to compress large packets, and fragments
		2801	them as required.
		2802
		2803	=cut
		2804
		2805	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2806
		2807	sub cf::client::send_big_packet {
		2808	my ($self, $pkt) = @_;
		2809
		2810	# try lzf for large packets
		2811	$pkt = "lzf " . Compress::LZF::compress $pkt
		2812	if 1024 <= length $pkt and $self->{can_lzf};
		2813
		2814	# split very large packets
		2815	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2816	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2817	$pkt = "frag";
		2818	}
		2819
		2820	$self->send_packet ($pkt);
		2821	}
		2822
		2823	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2824
		2825	Send a drawinfo or msg packet to the client, formatting the msg for the
		2826	client if neccessary. C<$type> should be a string identifying the type of
		2827	the message, with C<log> being the default. If C<$color> is negative, suppress
		2828	the message unless the client supports the msg packet.
		2829
		2830	=cut
		2831
		2832	# non-persistent channels (usually the info channel)
		2833	our %CHANNEL = (
		2834	"c/motd" => {
		2835	id => "infobox",
		2836	title => "MOTD",
		2837	reply => undef,
		2838	tooltip => "The message of the day",
		2839	},
		2840	"c/identify" => {
		2841	id => "infobox",
		2842	title => "Identify",
		2843	reply => undef,
		2844	tooltip => "Items recently identified",
		2845	},
		2846	"c/examine" => {
		2847	id => "infobox",
		2848	title => "Examine",
		2849	reply => undef,
		2850	tooltip => "Signs and other items you examined",
		2851	},
		2852	"c/shopinfo" => {
		2853	id => "infobox",
		2854	title => "Shop Info",
		2855	reply => undef,
		2856	tooltip => "What your bargaining skill tells you about the shop",
		2857	},
		2858	"c/book" => {
		2859	id => "infobox",
		2860	title => "Book",
		2861	reply => undef,
		2862	tooltip => "The contents of a note or book",
		2863	},
		2864	"c/lookat" => {
		2865	id => "infobox",
		2866	title => "Look",
		2867	reply => undef,
		2868	tooltip => "What you saw there",
		2869	},
		2870	"c/who" => {
		2871	id => "infobox",
		2872	title => "Players",
		2873	reply => undef,
		2874	tooltip => "Shows players who are currently online",
		2875	},
		2876	"c/body" => {
		2877	id => "infobox",
		2878	title => "Body Parts",
		2879	reply => undef,
		2880	tooltip => "Shows which body parts you posess and are available",
		2881	},
		2882	"c/statistics" => {
		2883	id => "infobox",
		2884	title => "Statistics",
		2885	reply => undef,
		2886	tooltip => "Shows your primary statistics",
		2887	},
		2888	"c/skills" => {
		2889	id => "infobox",
		2890	title => "Skills",
		2891	reply => undef,
		2892	tooltip => "Shows your experience per skill and item power",
		2893	},
		2894	"c/shopitems" => {
		2895	id => "infobox",
		2896	title => "Shop Items",
		2897	reply => undef,
		2898	tooltip => "Shows the items currently for sale in this shop",
		2899	},
		2900	"c/resistances" => {
		2901	id => "infobox",
		2902	title => "Resistances",
		2903	reply => undef,
		2904	tooltip => "Shows your resistances",
		2905	},
		2906	"c/pets" => {
		2907	id => "infobox",
		2908	title => "Pets",
		2909	reply => undef,
		2910	tooltip => "Shows information abotu your pets/a specific pet",
		2911	},
		2912	"c/perceiveself" => {
		2913	id => "infobox",
		2914	title => "Perceive Self",
		2915	reply => undef,
		2916	tooltip => "You gained detailed knowledge about yourself",
		2917	},
		2918	"c/uptime" => {
		2919	id => "infobox",
		2920	title => "Uptime",
		2921	reply => undef,
		2922	tooltip => "How long the server has been running since last restart",
		2923	},
		2924	"c/mapinfo" => {
		2925	id => "infobox",
		2926	title => "Map Info",
		2927	reply => undef,
		2928	tooltip => "Information related to the maps",
		2929	},
		2930	"c/party" => {
		2931	id => "party",
		2932	title => "Party",
		2933	reply => "gsay ",
		2934	tooltip => "Messages and chat related to your party",
		2935	},
		2936	"c/death" => {
		2937	id => "death",
		2938	title => "Death",
		2939	reply => undef,
		2940	tooltip => "Reason for and more info about your most recent death",
		2941	},
		2942	"c/say" => $SAY_CHANNEL,
		2943	"c/chat" => $CHAT_CHANNEL,
		2944	);
		2945
		2946	sub cf::client::send_msg {
		2947	my ($self, $channel, $msg, $color, @extra) = @_;
		2948
		2949	$msg = $self->pl->expand_cfpod ($msg)
		2950	unless $color & cf::NDI_VERBATIM;
		2951
		2952	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2953
		2954	# check predefined channels, for the benefit of C
		2955	if ($CHANNEL{$channel}) {
		2956	$channel = $CHANNEL{$channel};
		2957
		2958	$self->ext_msg (channel_info => $channel);
		2959	$channel = $channel->{id};
		2960
		2961	} elsif (ref $channel) {
		2962	# send meta info to client, if not yet sent
		2963	unless (exists $self->{channel}{$channel->{id}}) {
		2964	$self->{channel}{$channel->{id}} = $channel;
		2965	$self->ext_msg (channel_info => $channel);
		2966	}
		2967
		2968	$channel = $channel->{id};
		2969	}
		2970
		2971	return unless @extra || length $msg;
		2972
		2973	# default colour, mask it out
		2974	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2975	if $color & cf::NDI_DEF;
		2976
		2977	my $pkt = "msg "
		2978	. $self->{json_coder}->encode (
		2979	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2980	);
		2981
		2982	$self->send_big_packet ($pkt);
		2983	}
		2984
		2985	=item $client->ext_msg ($type, @msg)
		2986
		2987	Sends an ext event to the client.
		2988
		2989	=cut
		2990
		2991	sub cf::client::ext_msg($$@) {
		2992	my ($self, $type, @msg) = @_;
		2993
		2994	if ($self->extcmd == 2) {
		2995	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2996	} elsif ($self->extcmd == 1) { # TODO: remove
		2997	push @msg, msgtype => "event_$type";
		2998	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2999	}
		3000	}
		3001
		3002	=item $client->ext_reply ($msgid, @msg)
		3003
		3004	Sends an ext reply to the client.
		3005
		3006	=cut
		3007
		3008	sub cf::client::ext_reply($$@) {
		3009	my ($self, $id, @msg) = @_;
		3010
		3011	if ($self->extcmd == 2) {
		3012	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3013	} elsif ($self->extcmd == 1) {
		3014	#TODO: version 1, remove
		3015	unshift @msg, msgtype => "reply", msgid => $id;
		3016	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3017	}
		3018	}
1976		3019
1977	=item $success = $client->query ($flags, "text", \&cb)	3020	=item $success = $client->query ($flags, "text", \&cb)
1978		3021
1979	Queues a query to the client, calling the given callback with	3022	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		3025
1983	Queries can fail, so check the return code. Or don't, as queries will become	3026	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	3027	become reliable at some point in the future.
1985		3028
1986	=cut	3029	=cut
1987		3030
1988	sub cf::client::query {	3031	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	3032	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	3040	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		3042
2000	$self->send_packet ($self->{query_queue}[0][0])	3043	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	3044	if @{ $self->{query_queue} } == 1;
		3045
		3046	1
2002	}	3047	}
2003		3048
2004	cf::client->attach (	3049	cf::client->attach (
		3050	on_connect => sub {
		3051	my ($ns) = @_;
		3052
		3053	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3054	},
2005	on_reply => sub {	3055	on_reply => sub {
2006	my ($ns, $msg) = @_;	3056	my ($ns, $msg) = @_;
2007		3057
2008	# this weird shuffling is so that direct followup queries	3058	# this weird shuffling is so that direct followup queries
2009	# get handled first	3059	# get handled first
…		…
2021	} else {	3071	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3072	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	3073	}
2024	}	3074	}
2025	},	3075	},
		3076	on_exticmd => sub {
		3077	my ($ns, $buf) = @_;
		3078
		3079	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3080
		3081	if (ref $msg) {
		3082	my ($type, $reply, @payload) =
		3083	"ARRAY" eq ref $msg
		3084	? @$msg
		3085	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3086
		3087	my @reply;
		3088
		3089	if (my $cb = $EXTICMD{$type}) {
		3090	@reply = $cb->($ns, @payload);
		3091	}
		3092
		3093	$ns->ext_reply ($reply, @reply)
		3094	if $reply;
		3095
		3096	} else {
		3097	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3098	}
		3099
		3100	cf::override;
		3101	},
2026	);	3102	);
2027		3103
2028	=item $client->async (\&cb)	3104	=item $client->async (\&cb)
2029		3105
2030	Create a new coroutine, running the specified callback. The coroutine will	3106	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3147	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3148	our $safe_hole = new Safe::Hole;
2073		3149
2074	$SIG{FPE} = 'IGNORE';	3150	$SIG{FPE} = 'IGNORE';
2075		3151
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3152	$safe->permit_only (Opcode::opset qw(
		3153	:base_core :base_mem :base_orig :base_math :base_loop
		3154	grepstart grepwhile mapstart mapwhile
		3155	sort time
		3156	));
2077		3157
2078	# here we export the classes and methods available to script code	3158	# here we export the classes and methods available to script code
2079		3159
2080	=pod	3160	=pod
2081		3161
2082	The following fucntions and emthods are available within a safe environment:	3162	The following functions and methods are available within a safe environment:
2083		3163
2084	cf::object contr pay_amount pay_player map	3164	cf::object
		3165	contr pay_amount pay_player map x y force_find force_add destroy
		3166	insert remove name archname title slaying race decrease split
		3167	value
		3168
2085	cf::object::player player	3169	cf::object::player
2086	cf::player peaceful	3170	player
2087	cf::map trigger	3171
		3172	cf::player
		3173	peaceful
		3174
		3175	cf::map
		3176	trigger
2088		3177
2089	=cut	3178	=cut
2090		3179
2091	for (	3180	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3181	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3182	insert remove inv nrof name archname title slaying race
		3183	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3184	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3185	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3186	["cf::map" => qw(trigger)],
2096	) {	3187	) {
2097	no strict 'refs';	3188	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3189	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2117		3208
2118	my $qcode = $code;	3209	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3210	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3211	$qcode =~ s/\n/\\n/g;
2121		3212
		3213	%vars = (_dummy => 0) unless %vars;
		3214
		3215	my @res;
2122	local $_;	3216	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;
2124		3217
2125	my $eval =	3218	my $eval =
2126	"do {\n"	3219	"do {\n"
2127	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3220	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2128	. "#line 0 \"{$qcode}\"\n"	3221	. "#line 0 \"{$qcode}\"\n"
2129	. $code	3222	. $code
2130	. "\n}"	3223	. "\n}"
2131	;	3224	;
2132		3225
		3226	if ($CFG{safe_eval}) {
2133	sub_generation_inc;	3227	sub_generation_inc;
		3228	local @safe::cf::_safe_eval_args = values %vars;
2134	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3229	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2135	sub_generation_inc;	3230	sub_generation_inc;
		3231	} else {
		3232	local @cf::_safe_eval_args = values %vars;
		3233	@res = wantarray ? eval eval : scalar eval $eval;
		3234	}
2136		3235
2137	if ($@) {	3236	if ($@) {
2138	warn "$@";	3237	warn "$@";
2139	warn "while executing safe code '$code'\n";	3238	warn "while executing safe code '$code'\n";
2140	warn "with arguments " . (join " ", %vars) . "\n";	3239	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2159	=cut	3258	=cut
2160		3259
2161	sub register_script_function {	3260	sub register_script_function {
2162	my ($fun, $cb) = @_;	3261	my ($fun, $cb) = @_;
2163		3262
2164	no strict 'refs';	3263	$fun = "safe::$fun" if $CFG{safe_eval};
2165	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3264	*$fun = $safe_hole->wrap ($cb);
2166	}	3265	}
2167		3266
2168	=back	3267	=back
2169		3268
2170	=cut	3269	=cut
2171
2172	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243		3270
2244	#############################################################################	3271	#############################################################################
2245	# the server's init and main functions	3272	# the server's init and main functions
2246		3273
		3274	sub load_facedata($) {
		3275	my ($path) = @_;
		3276
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
		3280
		3281	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3282
		3283	warn "loading facedata from $path\n";
		3284
		3285	my $facedata;
		3286	0 < aio_load $path, $facedata
		3287	or die "$path: $!";
		3288
		3289	$facedata = Coro::Storable::thaw $facedata;
		3290
		3291	$facedata->{version} == 2
		3292	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3293
		3294	# patch in the exptable
		3295	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3296	$facedata->{resource}{"res/exp_table"} = {
		3297	type => FT_RSRC,
		3298	data => $exp_table,
		3299	hash => (Digest::MD5::md5 $exp_table),
		3300	};
		3301	cf::cede_to_tick;
		3302
		3303	{
		3304	my $faces = $facedata->{faceinfo};
		3305
		3306	while (my ($face, $info) = each %$faces) {
		3307	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3308
		3309	cf::face::set_visibility $idx, $info->{visibility};
		3310	cf::face::set_magicmap $idx, $info->{magicmap};
		3311	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3312	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316
		3317	while (my ($face, $info) = each %$faces) {
		3318	next unless $info->{smooth};
		3319
		3320	my $idx = cf::face::find $face
		3321	or next;
		3322
		3323	if (my $smooth = cf::face::find $info->{smooth}) {
		3324	cf::face::set_smooth $idx, $smooth;
		3325	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3326	} else {
		3327	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3328	}
		3329
		3330	cf::cede_to_tick;
		3331	}
		3332	}
		3333
		3334	{
		3335	my $anims = $facedata->{animinfo};
		3336
		3337	while (my ($anim, $info) = each %$anims) {
		3338	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3339	cf::cede_to_tick;
		3340	}
		3341
		3342	cf::anim::invalidate_all; # d'oh
		3343	}
		3344
		3345	{
		3346	my $res = $facedata->{resource};
		3347
		3348	while (my ($name, $info) = each %$res) {
		3349	if (defined $info->{type}) {
		3350	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3351
		3352	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3353	cf::face::set_type $idx, $info->{type};
		3354	} else {
		3355	$RESOURCE{$name} = $info;
		3356	}
		3357
		3358	cf::cede_to_tick;
		3359	}
		3360	}
		3361
		3362	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3363
		3364	1
		3365	}
		3366
		3367	cf::global->attach (on_resource_update => sub {
		3368	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3369	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3370
		3371	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3372	my $sound = $soundconf->{compat}[$_]
		3373	or next;
		3374
		3375	my $face = cf::face::find "sound/$sound->[1]";
		3376	cf::sound::set $sound->[0] => $face;
		3377	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3378	}
		3379
		3380	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3381	my $face = cf::face::find "sound/$v";
		3382	cf::sound::set $k => $face;
		3383	}
		3384	}
		3385	});
		3386
		3387	register_exticmd fx_want => sub {
		3388	my ($ns, $want) = @_;
		3389
		3390	while (my ($k, $v) = each %$want) {
		3391	$ns->fx_want ($k, $v);
		3392	}
		3393	};
		3394
2247	sub load_resources {	3395	sub load_resource_file($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3396	my $guard = lock_acquire "load_resource_file";
		3397
		3398	my $status = load_resource_file_ $_[0];
		3399	get_slot 0.1, 100;
		3400	cf::arch::commit_load;
		3401
		3402	$status
		3403	}
		3404
		3405	sub reload_regions {
		3406	# HACK to clear player env face cache, we need some signal framework
		3407	# for this (global event?)
		3408	%ext::player_env::MUSIC_FACE_CACHE = ();
		3409
		3410	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3411	or die "unable to load regions file\n";
2250	}
2251		3412
2252	sub cfg_load {	3413	for (cf::region::list) {
		3414	$_->{match} = qr/$_->{match}/
		3415	if exists $_->{match};
		3416	}
		3417	}
		3418
		3419	sub reload_facedata {
		3420	load_facedata "$DATADIR/facedata"
		3421	or die "unable to load facedata\n";
		3422	}
		3423
		3424	sub reload_archetypes {
		3425	load_resource_file "$DATADIR/archetypes"
		3426	or die "unable to load archetypes\n";
		3427	}
		3428
		3429	sub reload_treasures {
		3430	load_resource_file "$DATADIR/treasures"
		3431	or die "unable to load treasurelists\n";
		3432	}
		3433
		3434	sub reload_resources {
		3435	warn "reloading resource files...\n";
		3436
		3437	reload_facedata;
		3438	reload_archetypes;
		3439	reload_regions;
		3440	reload_treasures;
		3441
		3442	warn "finished reloading resource files\n";
		3443	}
		3444
		3445	sub reload_config {
		3446	warn "reloading config file...\n";
		3447
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3448	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3449	or return;
2255		3450
2256	local $/;	3451	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3452	*CFG = YAML::XS::Load scalar <$fh>;
2258		3453
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3454	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3455
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3456	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3457	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3461	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	3462	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	3463	};
2269	warn $@ if $@;	3464	warn $@ if $@;
2270	}	3465	}
2271	}
2272		3466
2273	sub init {	3467	warn "finished reloading resource files\n";
2274	load_resources;	3468	}
		3469
		3470	sub pidfile() {
		3471	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3472	or die "$PIDFILE: $!";
		3473	flock $fh, &Fcntl::LOCK_EX
		3474	or die "$PIDFILE: flock: $!";
		3475	$fh
		3476	}
		3477
		3478	# make sure only one server instance is running at any one time
		3479	sub atomic {
		3480	my $fh = pidfile;
		3481
		3482	my $pid = <$fh>;
		3483	kill 9, $pid if $pid > 0;
		3484
		3485	seek $fh, 0, 0;
		3486	print $fh $$;
		3487	}
		3488
		3489	sub main_loop {
		3490	warn "EV::loop starting\n";
		3491	if (1) {
		3492	EV::loop;
		3493	}
		3494	warn "EV::loop returned\n";
		3495	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3496	}
2276		3497
2277	sub main {	3498	sub main {
		3499	cf::init_globals; # initialise logging
		3500
		3501	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3502	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3503	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3504	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3505
		3506	cf::init_experience;
		3507	cf::init_anim;
		3508	cf::init_attackmess;
		3509	cf::init_dynamic;
		3510
		3511	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3512
2278	# we must not ever block the main coroutine	3513	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3514	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3515	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3516	(async {
2282	Event::one_event;	3517	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3518	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3519	})->prio (Coro::PRIO_MAX);
2284	};	3520	};
2285		3521
2286	cfg_load;	3522	evthread_start IO::AIO::poll_fileno;
		3523
		3524	cf::sync_job {
		3525	cf::load_settings;
		3526	cf::load_materials;
		3527
		3528	reload_resources;
		3529	reload_config;
2287	db_init;	3530	db_init;
		3531
		3532	cf::init_uuid;
		3533	cf::init_signals;
		3534	cf::init_commands;
		3535	cf::init_skills;
		3536
		3537	cf::init_beforeplay;
		3538
		3539	atomic;
		3540
2288	load_extensions;	3541	load_extensions;
2289		3542
2290	$TICK_WATCHER->start;	3543	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3544
		3545	# no (long-running) fork's whatsoever before this point(!)
		3546	use POSIX ();
		3547	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3548
		3549	(pop @POST_INIT)->(0) while @POST_INIT;
		3550	};
		3551
		3552	main_loop;
2292	}	3553	}
2293		3554
2294	#############################################################################	3555	#############################################################################
2295	# initialisation and cleanup	3556	# initialisation and cleanup
2296		3557
2297	# install some emergency cleanup handlers	3558	# install some emergency cleanup handlers
2298	BEGIN {	3559	BEGIN {
		3560	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3561	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3562	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3563	cf::cleanup "SIG$signal";
2307	},
2308	);	3564	};
		3565	}
		3566	}
		3567
		3568	sub write_runtime_sync {
		3569	# first touch the runtime file to show we are still running:
		3570	# the fsync below can take a very very long time.
		3571
		3572	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3573
		3574	my $guard = cf::lock_acquire "write_runtime";
		3575
		3576	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3577	or return;
		3578
		3579	my $value = $cf::RUNTIME + 90 + 10;
		3580	# 10 is the runtime save interval, for a monotonic clock
		3581	# 60 allows for the watchdog to kill the server.
		3582
		3583	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3584	and return;
		3585
		3586	# always fsync - this file is important
		3587	aio_fsync $fh
		3588	and return;
		3589
		3590	# touch it again to show we are up-to-date
		3591	aio_utime $fh, undef, undef;
		3592
		3593	close $fh
		3594	or return;
		3595
		3596	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3597	and return;
		3598
		3599	warn "runtime file written.\n";
		3600
2309	}	3601	1
		3602	}
		3603
		3604	our $uuid_lock;
		3605	our $uuid_skip;
		3606
		3607	sub write_uuid_sync($) {
		3608	$uuid_skip ||= $_[0];
		3609
		3610	return if $uuid_lock;
		3611	local $uuid_lock = 1;
		3612
		3613	my $uuid = "$LOCALDIR/uuid";
		3614
		3615	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3616	or return;
		3617
		3618	my $value = uuid_seq uuid_cur;
		3619
		3620	unless ($value) {
		3621	warn "cowardly refusing to write zero uuid value!\n";
		3622	return;
		3623	}
		3624
		3625	my $value = uuid_str $value + $uuid_skip;
		3626	$uuid_skip = 0;
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	close $fh
		3636	or return;
		3637
		3638	aio_rename "$uuid~", $uuid
		3639	and return;
		3640
		3641	warn "uuid file written ($value).\n";
		3642
		3643	1
		3644
		3645	}
		3646
		3647	sub write_uuid($$) {
		3648	my ($skip, $sync) = @_;
		3649
		3650	$sync ? write_uuid_sync $skip
		3651	: async { write_uuid_sync $skip };
2310	}	3652	}
2311		3653
2312	sub emergency_save() {	3654	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3655	my $freeze_guard = cf::freeze_mainloop;
2314		3656
2315	warn "enter emergency perl save\n";	3657	warn "emergency_perl_save: enter\n";
2316		3658
2317	cf::sync_job {	3659	cf::sync_job {
		3660	# this is a trade-off: we want to be very quick here, so
		3661	# save all maps without fsync, and later call a global sync
		3662	# (which in turn might be very very slow)
		3663	local $USE_FSYNC = 0;
		3664
2318	# use a peculiar iteration method to avoid tripping on perl	3665	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3666	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3667	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3668	warn "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3669	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3670	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3671	$pl->valid or next;
		3672	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3673	$pl->save;
2326	}	3674	}
2327	warn "end emergency player save\n";	3675	warn "emergency_perl_save: end player save\n";
2328		3676
2329	warn "begin emergency map save\n";	3677	warn "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3678	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3679	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3680	$map->valid or next;
2333	$map->save;	3681	$map->save;
2334	}	3682	}
2335	warn "end emergency map save\n";	3683	warn "emergency_perl_save: end map save\n";
2336		3684
2337	warn "begin emergency database checkpoint\n";	3685	warn "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3686	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3687	warn "emergency_perl_save: end database checkpoint\n";
		3688
		3689	warn "emergency_perl_save: begin write uuid\n";
		3690	write_uuid_sync 1;
		3691	warn "emergency_perl_save: end write uuid\n";
2340	};	3692	};
2341		3693
		3694	warn "emergency_perl_save: starting sync()\n";
		3695	IO::AIO::aio_sync sub {
		3696	warn "emergency_perl_save: finished sync()\n";
		3697	};
		3698
2342	warn "leave emergency perl save\n";	3699	warn "emergency_perl_save: leave\n";
2343	}	3700	}
2344		3701
2345	sub post_cleanup {	3702	sub post_cleanup {
2346	my ($make_core) = @_;	3703	my ($make_core) = @_;
2347		3704
2348	warn Carp::longmess "post_cleanup backtrace"	3705	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3706	if $make_core;
2350	}
2351		3707
		3708	my $fh = pidfile;
		3709	unlink $PIDFILE if <$fh> == $$;
		3710	}
		3711
		3712	# a safer delete_package, copied from Symbol
		3713	sub clear_package($) {
		3714	my $pkg = shift;
		3715
		3716	# expand to full symbol table name if needed
		3717	unless ($pkg =~ /^main::.*::$/) {
		3718	$pkg = "main$pkg" if $pkg =~ /^::/;
		3719	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3720	$pkg .= '::' unless $pkg =~ /::$/;
		3721	}
		3722
		3723	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3724	my $stem_symtab = *{$stem}{HASH};
		3725
		3726	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3727	or return;
		3728
		3729	# clear all symbols
		3730	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3731	for my $name (keys %$leaf_symtab) {
		3732	_gv_clear *{"$pkg$name"};
		3733	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3734	}
		3735	warn "cleared package $pkg\n";#d#
		3736	}
		3737
2352	sub reload() {	3738	sub do_reload_perl() {
2353	# can/must only be called in main	3739	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3740	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3741	warn "can only reload from main coroutine";
2356	return;	3742	return;
2357	}	3743	}
2358		3744
		3745	return if $RELOAD++;
		3746
		3747	my $t1 = EV::time;
		3748
		3749	while ($RELOAD) {
2359	warn "reloading...";	3750	warn "reloading...";
2360		3751
2361	warn "entering sync_job";	3752	warn "entering sync_job";
2362		3753
2363	cf::sync_job {	3754	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark	3755	cf::write_runtime_sync; # external watchdog should not bark
2365	cf::emergency_save;	3756	cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark	3757	cf::write_runtime_sync; # external watchdog should not bark
2367		3758
2368	warn "syncing database to disk";	3759	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3760	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3761
2371	# if anything goes wrong in here, we should simply crash as we already saved	3762	# if anything goes wrong in here, we should simply crash as we already saved
2372		3763
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";	3764	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3765	while (IO::AIO::nreqs || BDB::nreqs) {
2384	warn "iterate...";	3766	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2385	}
2386
2387	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();
2390
2391	warn "removing commands";
2392	%COMMAND = ();
2393
2394	warn "removing ext commands";
2395	%EXTCMD = ();
2396
2397	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";
2400
2401	if (my $cb = $pkg->can ("unload")) {
2402	eval {
2403	$cb->($pkg);
2404	1
2405	} or warn "$pkg unloaded, but with errors: $@";
2406	}	3767	}
2407		3768
2408	warn "... nuking $pkg";	3769	warn "cancelling all extension coros";
2409	Symbol::delete_package $pkg;	3770	$_->cancel for values %EXT_CORO;
2410	}	3771	%EXT_CORO = ();
2411		3772
2412	warn "unloading all perl modules loaded from $LIBDIR";	3773	warn "removing commands";
2413	while (my ($k, $v) = each %INC) {	3774	%COMMAND = ();
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3775
		3776	warn "removing ext/exti commands";
		3777	%EXTCMD = ();
		3778	%EXTICMD = ();
		3779
		3780	warn "unloading/nuking all extensions";
		3781	for my $pkg (@EXTS) {
2416	warn "... unloading $k";	3782	warn "... unloading $pkg";
2417	delete $INC{$k};
2418		3783
2419	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;
2421
2422	if (my $cb = $k->can ("unload_module")) {	3784	if (my $cb = $pkg->can ("unload")) {
		3785	eval {
2423	$cb->();	3786	$cb->($pkg);
		3787	1
		3788	} or warn "$pkg unloaded, but with errors: $@";
		3789	}
		3790
		3791	warn "... clearing $pkg";
		3792	clear_package $pkg;
2424	}	3793	}
2425		3794
2426	Symbol::delete_package $k;	3795	warn "unloading all perl modules loaded from $LIBDIR";
		3796	while (my ($k, $v) = each %INC) {
		3797	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3798
		3799	warn "... unloading $k";
		3800	delete $INC{$k};
		3801
		3802	$k =~ s/\.pm$//;
		3803	$k =~ s/\//::/g;
		3804
		3805	if (my $cb = $k->can ("unload_module")) {
		3806	$cb->();
		3807	}
		3808
		3809	clear_package $k;
2427	}	3810	}
2428		3811
2429	warn "getting rid of safe::, as good as possible";	3812	warn "getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3813	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3814	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3815
2433	warn "unloading cf.pm \"a bit\"";	3816	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3817	delete $INC{"cf.pm"};
		3818	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		3819
2436	# don't, removes xs symbols, too,	3820	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3821	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3822	#clear_package __PACKAGE__;
2439		3823
2440	warn "unload completed, starting to reload now";	3824	warn "unload completed, starting to reload now";
2441		3825
2442	warn "reloading cf.pm";	3826	warn "reloading cf.pm";
2443	require cf;	3827	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3828	cf::_connect_to_perl_1;
2445		3829
2446	warn "loading config and database again";	3830	warn "loading config and database again";
2447	cf::cfg_load;	3831	cf::reload_config;
2448		3832
2449	warn "loading extensions";	3833	warn "loading extensions";
2450	cf::load_extensions;	3834	cf::load_extensions;
2451		3835
		3836	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	3837	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3838	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3839	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3840	reattach $_ for values %MAP;
		3841	warn "reattaching attachments to players";
		3842	reattach $_ for values %PLAYER;
		3843	}
2456		3844
2457	warn "loading reloadable resources";	3845	warn "running post_init jobs";
2458	load_resources;	3846	(pop @POST_INIT)->(1) while @POST_INIT;
2459		3847
2460	warn "leaving sync_job";	3848	warn "leaving sync_job";
2461		3849
2462	1	3850	1
2463	} or do {	3851	} or do {
2464	warn $@;	3852	warn $@;
2465	warn "error while reloading, exiting.";	3853	cf::cleanup "error while reloading, exiting.";
2466	exit 1;	3854	};
		3855
		3856	warn "reloaded";
		3857	--$RELOAD;
		3858	}
		3859
		3860	$t1 = EV::time - $t1;
		3861	warn "reload completed in ${t1}s\n";
		3862	};
		3863
		3864	our $RELOAD_WATCHER; # used only during reload
		3865
		3866	sub reload_perl() {
		3867	# doing reload synchronously and two reloads happen back-to-back,
		3868	# coro crashes during coro_state_free->destroy here.
		3869
		3870	$RELOAD_WATCHER ||= cf::async {
		3871	Coro::AIO::aio_wait cache_extensions;
		3872
		3873	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3874	do_reload_perl;
		3875	undef $RELOAD_WATCHER;
		3876	};
2467	};	3877	};
2468		3878	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		3879
2474	register_command "reload" => sub {	3880	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3881	my ($who, $arg) = @_;
2476		3882
2477	if ($who->flag (FLAG_WIZ)) {	3883	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3884	$who->message ("reloading server.");
2479		3885	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3886	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3887	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3888	};
2492	}	3889	}
2493	};	3890	};
2494		3891
2495	unshift @INC, $LIBDIR;	3892	unshift @INC, $LIBDIR;
2496		3893
2497	my $bug_warning = 0;	3894	my $bug_warning = 0;
2498		3895
2499	$TICK_WATCHER = Event->timer (	3896	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3897	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3898
2502	prio => 0,	3899	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3900	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	3901
2505	cb => sub {	3902	my $signal = new Coro::Signal;
		3903	push @WAIT_FOR_TICK, $signal;
		3904	$signal->wait;
		3905	}
		3906
		3907	sub wait_for_tick_begin {
		3908	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3909
		3910	my $signal = new Coro::Signal;
		3911	push @WAIT_FOR_TICK_BEGIN, $signal;
		3912	$signal->wait;
		3913	}
		3914
		3915	sub tick {
2506	if ($Coro::current != $Coro::main) {	3916	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3917	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3918	unless ++$bug_warning > 10;
2509	return;	3919	return;
2510	}	3920	}
2511		3921
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	3922	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		3923
		3924	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
		3925
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3928	Coro::async_pool {
		3929	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3930	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	3931	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3932	};
2525
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532
2533	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535
2536	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;
2538	},	3933	}
2539	);	3934
		3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3936	$sig->send;
		3937	}
		3938	while (my $sig = shift @WAIT_FOR_TICK) {
		3939	$sig->send;
		3940	}
		3941
		3942	$LOAD = ($NOW - $TICK_START) / $TICK;
		3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3944
		3945	if (0) {
		3946	if ($NEXT_TICK) {
		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
		3951	}
		3952	}
2540		3953
2541	{	3954	{
2542	BDB::max_poll_time $TICK * 0.1;	3955	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	3956
2544	reentrant => 0,
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	3957	BDB::min_parallel 16;
2552		3958	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	3959	$AnyEvent::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		3960
2568	unless ($DB_ENV) {	3961	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	3962	$DB_ENV = BDB::db_env_create;
		3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		3968
2571	cf::sync_job {	3969	cf::sync_job {
2572	eval {	3970	eval {
2573	BDB::db_env_open	3971	BDB::db_env_open
2574	$DB_ENV,	3972	$DB_ENV,
2575	$BDB_ENV_DIR,	3973	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3974	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3976	0666;
2579		3977
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	3979	};
2585		3980
2586	cf::cleanup "db_env_open(db): $@" if $@;	3981	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	3982	};
2588	}	3983	}
		3984
		3985	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3986	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3987	};
		3988	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3989	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3990	};
		3991	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3992	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3993	};
2589	}	3994	}
2590		3995
2591	{	3996	{
		3997	# configure IO::AIO
		3998
2592	IO::AIO::min_parallel 8;	3999	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	4000	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	4001	undef $AnyEvent::AIO::WATCHER;
2597	reentrant => 0,
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	4002	}
		4003
		4004	my $_log_backtrace;
		4005
		4006	sub _log_backtrace {
		4007	my ($msg, @addr) = @_;
		4008
		4009	$msg =~ s/\n//;
		4010
		4011	# limit the # of concurrent backtraces
		4012	if ($_log_backtrace < 2) {
		4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
		4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
		4018	my @bt = fork_call {
		4019	@addr = map { sprintf "%x", $_ } @addr;
		4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4021	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4022	or die "addr2line: $!";
		4023
		4024	my @funcs;
		4025	my @res = <$fh>;
		4026	chomp for @res;
		4027	while (@res) {
		4028	my ($func, $line) = splice @res, 0, 2, ();
		4029	push @funcs, "[$func] $line";
		4030	}
		4031
		4032	@funcs
		4033	};
		4034
		4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4037	LOG llevInfo, "[ABT] $_\n" for @bt;
		4038	--$_log_backtrace;
		4039	};
		4040	} else {
		4041	LOG llevInfo, "[ABT] $msg\n";
		4042	LOG llevInfo, "[ABT] [suppressed]\n";
		4043	}
		4044	}
		4045
		4046	# load additional modules
		4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
2605		4049
2606	END { cf::emergency_save }	4050	END { cf::emergency_save }
2607		4051
2608	1	4052	1
2609		4053

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