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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.506 by root, Wed Feb 3 20:48:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	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 $guard = cf::lock_acquire "write_runtime";
360		568
361	my $runtime = cf::localdir . "/runtime";	569	Executes the given code block with the given arguments in a seperate
		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.
362		573
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
364	or return;
365		575
366	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		578
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
371	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
372		582
373	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	584	reset_signals;
375	and return;	585	&$cb
		586	}, @args;
376		587
377	close $fh	588	wantarray ? @res : $res[-1]
378	or return;	589	}
379		590
380	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
381	and return;
382		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
383	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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 });
384	}	754	}
385		755
386	=back	756	=back
387		757
388	=cut	758	=cut
389		759
390	#############################################################################	760	#############################################################################
391		761
392	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
393		763
394	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
395	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")
396	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
397		767
398	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>
399	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
400	crossfire+).	770	Deliantra).
401		771
402	=over 4	772	=over 4
403		773
404	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
405		775
…		…
449	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
450		820
451	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
453		823
454	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		826
457	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
458		828
459	=over 4	829	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
569		939
570	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		944
575	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	946	my $pkg = shift @arg;
577		947
578	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
608	}	978	}
609		979
610	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
611	} else {	981	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	983	}
614		984
615	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
616	}	986	}
617		987
…		…
619	if (ref $_[0]) {	989	if (ref $_[0]) {
620	_object_attach @_;	990	_object_attach @_;
621	} else {	991	} else {
622	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
623	}	993	}
		994	_recalc_want;
624	};	995	};
625		996
626	# all those should be optimised	997	# all those should be optimised
627	sub cf::attachable::detach {	998	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1003	reattach ($obj);
633	} else {	1004	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
635	}	1006	}
		1007	_recalc_want;
636	};	1008	};
637		1009
638	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
640		1012
…		…
655	";	1027	";
656	die if $@;	1028	die if $@;
657	}	1029	}
658		1030
659	our $override;	1031	our $override;
660	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?
661		1033
662	sub override {	1034	sub override {
663	$override = 1;	1035	$override = 1;
664	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
665	}	1037	}
666		1038
667	sub do_invoke {	1039	sub do_invoke {
668	my $event = shift;	1040	my $event = shift;
669	my $callbacks = shift;	1041	my $callbacks = shift;
670		1042
671	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
672		1044
673	local $override;	1045	local $override;
674		1046
675	for (@$callbacks) {	1047	for (@$callbacks) {
676	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
685	}	1057	}
686		1058
687	0	1059	0
688	}	1060	}
689		1061
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1063
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1065
694	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
695		1067
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1071
700	=back	1072	=back
701		1073
702	=cut	1074	=cut
703		1075
704	#############################################################################	1076	#############################################################################
705	# 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, $ob2
		1119	}
706		1120
707	sub reattach {	1121	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1123	my ($obj) = @_;
710		1124
		1125	# no longer needed after getting rid of delete_package?
711	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
712		1127
713	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
714		1129
715	@$registry = ();	1130	@$registry = ();
716		1131
…		…
731	cf::attachable->attach (	1146	cf::attachable->attach (
732	prio => -1000000,	1147	prio => -1000000,
733	on_instantiate => sub {	1148	on_instantiate => sub {
734	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
735		1150
736	$data = from_json $data;	1151	$data = decode_json $data;
737		1152
738	for (@$data) {	1153	for (@$data) {
739	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
740		1155
741	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1172	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
759		1174
760	sync_job {	1175	sync_job {
761	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
764		1180
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1188	aio_close $fh;
770		1189
771	if (@$objs) {	1190	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1199	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
779	}	1201	}
780	} else {	1202	} else {
781	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
782	}	1204	}
783		1205
784	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1210	} else {
786	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
787	}	1212	}
788	} else {	1213	} else {
789	aio_unlink $filename;	1214	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
791	}	1216	}
792	}	1217	};
793	}	1218	}
794		1219
795	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
797		1222
…		…
809	or return;	1234	or return;
810		1235
811	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
813	or return;	1238	or return;
		1239
814	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
815	}	1242	}
816		1243
		1244	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
819	return ($data, $av);	1248	($data, $av)
820	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
821		1256
822	#############################################################################	1257	#############################################################################
823	# command handling &c	1258	# command handling &c
824		1259
825	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1274	}
840		1275
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1277
843	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.
844		1283
845	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
846	called.	1285	called.
847		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
848	=cut	1298	=cut
849		1299
850	sub register_extcmd {	1300	sub register_extcmd {
851	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
852		1302
853	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
854	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
855		1313
856	cf::player->attach (	1314	cf::player->attach (
857	on_command => sub {	1315	on_command => sub {
858	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
859		1317
…		…
867	cf::override;	1325	cf::override;
868	},	1326	},
869	on_extcmd => sub {	1327	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
871		1329
872	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1331
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
880	} else {	1347	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1349	}
883		1350
884	cf::override;	1351	cf::override;
885	},	1352	},
886	);	1353	);
887		1354
		1355	# "readahead" all extensions
888	sub load_extension {	1356	sub cache_extensions {
889	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
890		1358
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1362	}
916	die $@;
917	}	1363	};
918		1364
919	push @EXTS, $pkg;	1365	$grp
920	}	1366	}
921		1367
922	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
923	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1373	next unless -r $path;
925	eval {	1374
926	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 $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
927	1	1435	}
928	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
929	}	1446	};
930	}	1447	}
931		1448
932	#############################################################################	1449	#############################################################################
933		1450
		1451	=back
		1452
934	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
935		1454
936	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
937		1456
938	=cut	1457	=cut
939		1458
940	package cf::player;	1459	package cf::player;
941		1460
…		…
943		1462
944	=head3 cf::player	1463	=head3 cf::player
945		1464
946	=over 4	1465	=over 4
947		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
948	=item cf::player::find $login	1481	=item cf::player::find $login
949		1482
950	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
951		1484
952	=cut	1485	=cut
953		1486
954	sub playerdir($) {	1487	sub playerdir($) {
955	cf::localdir	1488	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1490	}
961		1491
962	sub path($) {	1492	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1494
965	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
966	}	1496	}
967		1497
968	sub find_active($) {	1498	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
973		1503
974	sub exists($) {	1504	sub exists($) {
975	my ($login) = @_;	1505	my ($login) = @_;
976		1506
977	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
979	}	1509	}
980		1510
981	sub find($) {	1511	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1513	my $login = $_[0];
984		1514
985	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
986		1516
987	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
989	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
991	}	1534	}
992	}	1535	}
993	}	1536	}
994		1537
…		…
1003	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1004		1547
1005	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1007		1550
		1551	cf::get_slot 0.01;
		1552
1008	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1009	Coro::cede;	1554	cf::cede_to_tick;
1010	}	1555	}
1011		1556
1012	sub new($) {	1557	sub new($) {
1013	my ($login) = @_;	1558	my ($login) = @_;
1014		1559
…		…
1020	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1021		1566
1022	$self	1567	$self
1023	}	1568	}
1024		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1025	=item $pl->quit_character	1580	=item $pl->quit_character
1026		1581
1027	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1029		1584
1030	=cut	1585	=cut
1031		1586
1032	sub quit_character {	1587	sub quit_character {
1033	my ($pl) = @_;	1588	my ($pl) = @_;
1034		1589
		1590	my $name = $pl->ob->name;
		1591
1035	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1594
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1042		1601
1043	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1604	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1605	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
1048	IO::AIO::aio_rmtree $temp;	1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
1049	}	1628	}
1050		1629
1051	=item cf::player::list_logins	1630	=item cf::player::list_logins
1052		1631
1053	Returns am arrayref of all valid playernames in the system, can take a	1632	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1055		1634
1056	=cut	1635	=cut
1057		1636
1058	sub list_logins {	1637	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1639	or return [];
1061		1640
1062	my @logins;	1641	my @logins;
1063		1642
1064	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1068		1653
1069	utf8::decode $login;	1654	utf8::decode $login;
1070	push @logins, $login;	1655	push @logins, $login;
1071	}	1656	}
1072		1657
…		…
1099	}	1684	}
1100		1685
1101	\@paths	1686	\@paths
1102	}	1687	}
1103		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1105		1694
1106	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1107		1696
1108	=cut	1697	=cut
1109		1698
1110	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1112		1701
1113	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1703	}
1117		1704
1118	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
		1732	my ($path) = @_;
		1733
		1734	my ($match, $specificity);
		1735
		1736	for my $region (list) {
		1737	if ($region->{match} && $path =~ $region->{match}) {
		1738	($match, $specificity) = ($region, $region->specificity)
		1739	if $region->specificity > $specificity;
		1740	}
		1741	}
		1742
		1743	$match
		1744	}
1119		1745
1120	=back	1746	=back
1121
1122		1747
1123	=head3 cf::map	1748	=head3 cf::map
1124		1749
1125	=over 4	1750	=over 4
1126		1751
…		…
1138	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1140		1765
1141	sub generate_random_map {	1766	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1143	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1772	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1182		1810
1183	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1184	local $self->{path};	1812	local $self->{path};
1185	local $self->{load_path};	1813	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1814
1189	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1190	}	1816	}
1191		1817
1192	sub normalise {	1818	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1240	return $self;	1866	return $self;
1241	}	1867	}
1242	}	1868	}
1243		1869
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1871	()
1246	}	1872	}
1247		1873
1248	sub init {	1874	sub init {
1249	my ($self) = @_;	1875	my ($self) = @_;
…		…
1264		1890
1265	# the original (read-only) location	1891	# the original (read-only) location
1266	sub load_path {	1892	sub load_path {
1267	my ($self) = @_;	1893	my ($self) = @_;
1268		1894
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1270	}	1896	}
1271		1897
1272	# the temporary/swap location	1898	# the temporary/swap location
1273	sub save_path {	1899	sub save_path {
1274	my ($self) = @_;	1900	my ($self) = @_;
1275		1901
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1278	}	1904	}
1279		1905
1280	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1281	sub uniq_path {	1907	sub uniq_path {
1282	my ($self) = @_;	1908	my ($self) = @_;
1283		1909
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1286	}	1912	}
1287		1913
1288	# and all this just because we cannot iterate over	1914	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	1915	my ($self) = @_;
1292		1916
1293	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1295	}	1920	}
1296		1921
1297	sub unlink_save {	1922	sub unlink_save {
1298	my ($self) = @_;	1923	my ($self) = @_;
1299		1924
…		…
1304		1929
1305	sub load_header_from($) {	1930	sub load_header_from($) {
1306	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1307		1932
1308	utf8::encode $path;	1933	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1314		1942
1315	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1316		1944
1317	1	1945	1
1318	}	1946	}
…		…
1357	$self->load_header_orig	1985	$self->load_header_orig
1358	or return;	1986	or return;
1359	$self->prepare_orig;	1987	$self->prepare_orig;
1360	}	1988	}
1361		1989
		1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
		1992
		1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
1362	1	1996	1
1363	}	1997	}
1364		1998
1365	sub find;	1999	sub find;
1366	sub find {	2000	sub find {
1367	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1368		2002
1369	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1370		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1372		2007
1373	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1374	my $guard = cf::lock_acquire "map_find:$path";
1375	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1376	or return;	2010	or return;
1377		2011
1378	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1379		2013
1380	$map->load_header	2014	$map->load_header
1381	or return;	2015	or return;
1382		2016
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1386	$map->reset;	2022	$map->reset;
1387	undef $guard;
1388	return find $path;	2023	return find $path;
1389	}	2024	}
1390		2025
1391	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1392	}	2027	}
1393	}	2028	}
1394		2029
1395	sub pre_load { }	2030	sub pre_load { }
1396	sub post_load { }	2031	#sub post_load { } # XS
1397		2032
1398	sub load {	2033	sub load {
1399	my ($self) = @_;	2034	my ($self) = @_;
1400		2035
1401	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1402		2037
1403	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1404	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1405		2042
		2043	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2045
1408	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1409		2047
1410	$self->alloc;	2048	$self->alloc;
1411		2049
1412	$self->pre_load;	2050	$self->pre_load;
		2051	cf::cede_to_tick;
1413		2052
1414	$self->_load_objects ($self->{load_path}, 1)	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1415	or return;	2056	or return;
1416		2057
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1418	if delete $self->{load_original};	2059	if delete $self->{load_original};
1419		2060
1420	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	2062	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	2065	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1425	}	2069	}
1426	}	2070	}
1427		2071
1428	Coro::cede;	2072	$f->resolve_delayed_derefs;
1429		2073
		2074	cf::cede_to_tick;
1430	# now do the right thing for maps	2075	# now do the right thing for maps
1431	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	2078	unless $self->difficulty;
1441	Coro::cede;	2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1442	$self->activate;	2086	$self->activate;
		2087	}
		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
		2092	$self->in_memory (cf::MAP_ACTIVE);
1443	}	2093	}
1444		2094
1445	$self->post_load;	2095	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2096	}
1449		2097
1450	sub customise_for {	2098	sub customise_for {
1451	my ($self, $ob) = @_;	2099	my ($self, $ob) = @_;
1452		2100
1453	return find "~" . $ob->name . "/" . $self->{path}	2101	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2102	if $self->per_player;
1455		2103
		2104	# return find "?party/" . $ob->name . "/" . $self->{path}
		2105	# if $self->per_party;
		2106
1456	$self	2107	$self
1457	}	2108	}
1458		2109
1459	# find and load all maps in the 3x3 area around a map	2110	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	2111	sub load_neighbours {
1461	my ($map) = @_;	2112	my ($map) = @_;
1462		2113
1463	my @diag; # diagonal neighbours	2114	my @neigh; # diagonal neighbours
1464		2115
1465	for (0 .. 3) {	2116	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2117	my $neigh = $map->tile_path ($_)
1467	or next;	2118	or next;
1468	$neigh = find $neigh, $map	2119	$neigh = find $neigh, $map
1469	or next;	2120	or next;
1470	$neigh->load;	2121	$neigh->load;
1471		2122
		2123	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2126	}
1475		2127
1476	for (@diag) {	2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2130	my $neigh = find $path, $origin
1478	or next;	2131	or next;
1479	$neigh->load;	2132	$neigh->load;
1480	}	2133	}
1481	}	2134	}
1482		2135
…		…
1487	}	2140	}
1488		2141
1489	sub do_load_sync {	2142	sub do_load_sync {
1490	my ($map) = @_;	2143	my ($map) = @_;
1491		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1492	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
1493	}	2149	}
1494		2150
1495	our %MAP_PREFETCH;	2151	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2152	our $MAP_PREFETCHER = undef;
1497		2153
1498	sub find_async {	2154	sub find_async {
1499	my ($path, $origin) = @_;	2155	my ($path, $origin, $load) = @_;
1500		2156
1501	$path = normalise $path, $origin && $origin->{path};	2157	$path = normalise $path, $origin && $origin->{path};
1502		2158
1503	if (my $map = $cf::MAP{$path}) {	2159	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505	}	2161	}
1506		2162
1507	undef $MAP_PREFETCH{$path};	2163	$MAP_PREFETCH{$path} |= $load;
		2164
1508	$MAP_PREFETCHER ||= cf::async {	2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
1509	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2170	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2171	$map->load if $v;
		2172	}
1514		2173
1515	delete $MAP_PREFETCH{$path};	2174	delete $MAP_PREFETCH{$k};
1516	}	2175	}
1517	}	2176	}
1518	undef $MAP_PREFETCHER;	2177	undef $MAP_PREFETCHER;
1519	};	2178	};
1520	$MAP_PREFETCHER->prio (6);	2179	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2182	}
1524		2183
1525	sub save {	2184	sub save {
1526	my ($self) = @_;	2185	my ($self) = @_;
1527		2186
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2188
1530	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1531		2190
1532	return unless $self->dirty;	2191	return unless $self->dirty;
1533		2192
…		…
1539	return if $self->{deny_save};	2198	return if $self->{deny_save};
1540		2199
1541	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1542		2201
1543	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1545	};	2205	};
		2206
		2207	cf::get_slot 0.02;
1546		2208
1547	if ($uniq) {	2209	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1550	} else {	2212	} else {
…		…
1556	my ($self) = @_;	2218	my ($self) = @_;
1557		2219
1558	# save first because save cedes	2220	# save first because save cedes
1559	$self->save;	2221	$self->save;
1560		2222
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2224
1563	return if $self->players;	2225	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1565	return if $self->{deny_save};	2227	return if $self->{deny_save};
1566		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2233	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2234	}
1570		2235
1571	sub reset_at {	2236	sub reset_at {
1572	my ($self) = @_;	2237	my ($self) = @_;
1573		2238
1574	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1577		2241
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2243	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2244
…		…
1591	my ($self) = @_;	2255	my ($self) = @_;
1592		2256
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2258
1595	return if $self->players;	2259	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2260
1598	warn "resetting map ", $self->path;#d#	2261	warn "resetting map ", $self->path, "\n";
1599		2262
1600	$self->in_memory (cf::MAP_SWAPPED);	2263	$self->in_memory (cf::MAP_SWAPPED);
1601		2264
1602	# need to save uniques path	2265	# need to save uniques path
1603	unless ($self->{deny_save}) {	2266	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2270	if $uniq;
1608	}	2271	}
1609		2272
1610	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1611		2274
		2275	$self->deactivate;
		2276	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2277	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2278
1616	$self->unlink_save;	2279	$self->unlink_save;
1617	$self->destroy;	2280	$self->destroy;
1618	}	2281	}
1619		2282
1620	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1621		2284
1622	sub nuke {	2285	sub nuke {
1623	my ($self) = @_;	2286	my ($self) = @_;
1624		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
1625	delete $cf::MAP{$self->path};	2291	delete $cf::MAP{$self->path};
1626		2292
1627	$self->unlink_save;	2293	$self->unlink_save;
1628		2294
1629	bless $self, "cf::map";	2295	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2296	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2300
1635	$cf::MAP{$self->path} = $self;	2301	$cf::MAP{$self->path} = $self;
		2302	}
1636		2303
1637	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
		2305	}
		2306
		2307	=item $maps = cf::map::tmp_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	maps. May block.
		2311
		2312	=cut
		2313
		2314	sub tmp_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise $_
		2320	: ()
		2321	} @{ aio_readdir $TMPDIR or [] }
		2322	]
		2323	}
		2324
		2325	=item $maps = cf::map::random_maps
		2326
		2327	Returns an arrayref with all map paths of currently instantiated and saved
		2328	random maps. May block.
		2329
		2330	=cut
		2331
		2332	sub random_maps() {
		2333	[
		2334	map {
		2335	utf8::decode $_;
		2336	/\.map$/
		2337	? normalise "?random/$_"
		2338	: ()
		2339	} @{ aio_readdir $RANDOMDIR or [] }
		2340	]
1638	}	2341	}
1639		2342
1640	=item cf::map::unique_maps	2343	=item cf::map::unique_maps
1641		2344
1642	Returns an arrayref of paths of all shared maps that have	2345	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2346	instantiated unique items. May block.
1644		2347
1645	=cut	2348	=cut
1646		2349
1647	sub unique_maps() {	2350	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2351	[
1649	or return;	2352	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2353	utf8::decode $_;
1655	next if /\.pst$/;	2354	s/\.map$//; # TODO future compatibility hack
1656	next unless /^$PATH_SEP/o;	2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657		2356	? ()
1658	push @paths, cf::map::normalise $_;	2357	: normalise $_
		2358	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2359	]
1660
1661	\@paths
1662	}	2360	}
1663		2361
1664	package cf;	2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
		2389	}
		2390
		2391	\@maps
		2392	}
1665		2393
1666	=back	2394	=back
1667		2395
1668	=head3 cf::object	2396	=head3 cf::object
1669		2397
…		…
1673		2401
1674	=over 4	2402	=over 4
1675		2403
1676	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1677		2405
1678	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1679		2408
1680	=cut	2409	=cut
1681		2410
1682	sub inv_recursive_;	2411	sub inv_recursive_;
1683	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1686		2415
1687	sub inv_recursive {	2416	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1689	}	2418	}
1690		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1691	package cf;	2448	package cf;
1692		2449
1693	=back	2450	=back
1694		2451
1695	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1701	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1702	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1703	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1704		2461
1705	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1706		2477
1707	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1708	# with dialog boxes.	2479	# with dialog boxes.
1709	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1710	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1712		2483
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2485
1715	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1717	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1720	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1721	}	2511	}
1722		2512
1723	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1724		2514
1725	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1738		2528
1739	=item $player_object->enter_link	2529	=item $player_object->enter_link
1740		2530
1741	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
1742		2532
1743	The player should be reasonably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
1744	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
1745		2537
1746	Will never block.	2538	Will never block.
1747		2539
1748	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1749		2541
…		…
1772	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1773		2565
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2567
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1778		2570
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2572	}
1781		2573
1782	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1784		2578
1785	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1786		2580
1787	unless ($map) {	2581	unless ($map) {
1788	# restore original map position	2582	# restore original map position
…		…
1799	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1800	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1801		2595
1802	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1805		2599
1806	$map->load;	2600	$map->load;
1807	$map->load_diag;	2601	$map->load_neighbours;
1808		2602
1809	return unless $self->contr->active;	2603	return unless $self->contr->active;
1810	$self->activate_recursive;
1811		2604
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2606	$self->enter_map ($map, $x, $y);
1814	}
1815		2607
1816	cf::player->attach (	2608	# only activate afterwards, to support waiting in hooks
1817	on_logout => sub {	2609	$self->activate_recursive;
1818	my ($pl) = @_;	2610	}
1819		2611
1820	# abort map switching before logout	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2613
1830	# try to abort aborted map switching on player login :)	2614	Moves the player to the given map-path and coordinates by first freezing
1831	# should happen only on crashes	2615	her, loading and preparing them map, calling the provided $check callback
1832	if ($pl->ob->{_link_pos}) {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1833	$pl->ob->enter_link;	2617	the new (success) or old (failed) map position. In either case, $done will
1834	(async {	2618	be called at the end of this process.
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2619
1848	=item $player_object->goto ($path, $x, $y)	2620	Note that $check will be called with a potentially non-loaded map, so if
		2621	it needs a loaded map it has to call C<< ->load >>.
1849		2622
1850	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1851		2626
1852	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2632
1855	$self->enter_link;	2633	$self->enter_link;
1856		2634
1857	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
1858	my $map = eval {	2657	my $map = eval {
1859	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
		2662	$map = $check->($map) if $check && $map;
		2663	} else {
		2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
		2666
1861	$map	2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2673	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1866	})->prio (1);	2681	})->prio (1);
1867	}	2682	}
1868		2683
1869	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1870		2685
…		…
1890	}	2705	}
1891		2706
1892	sub prepare_random_map {	2707	sub prepare_random_map {
1893	my ($exit) = @_;	2708	my ($exit) = @_;
1894		2709
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2712	# that depends on the exit object
1900		2713
1901	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2716	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1908	}	2723	}
1909		2724
1910	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1911		2726
1912	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1915		2730
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2733	undef $fh;
1919	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1920		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1923	}	2742	}
1924	}	2743	}
1925		2744
1926	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
1928		2747
1929	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1930		2749
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2750	$self->enter_link;
1941		2751
1942	(async {	2752	(async {
1943	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1944	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
1945	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
1946		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1947	1;	2776	1
1948	}) {	2777	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2782
1954	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2784	$self->leave_link;
1956	}	2785	}
1957	})->prio (1);	2786	})->prio (1);
…		…
1970		2799
1971	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1973		2802
1974	utf8::encode $text;	2803	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2805	}
1977		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
		2830	}
		2831
		2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2833
		2834	Send a drawinfo or msg packet to the client, formatting the msg for the
		2835	client if neccessary. C<$type> should be a string identifying the type of
		2836	the message, with C<log> being the default. If C<$color> is negative, suppress
		2837	the message unless the client supports the msg packet.
		2838
		2839	=cut
		2840
		2841	# non-persistent channels (usually the info channel)
		2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
		2849	"c/identify" => {
		2850	id => "infobox",
		2851	title => "Identify",
		2852	reply => undef,
		2853	tooltip => "Items recently identified",
		2854	},
		2855	"c/examine" => {
		2856	id => "infobox",
		2857	title => "Examine",
		2858	reply => undef,
		2859	tooltip => "Signs and other items you examined",
		2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
		2953	);
		2954
		2955	sub cf::client::send_msg {
		2956	my ($self, $channel, $msg, $color, @extra) = @_;
		2957
		2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
		2960
		2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2962
		2963	# check predefined channels, for the benefit of C
		2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
		2970	} elsif (ref $channel) {
		2971	# send meta info to client, if not yet sent
		2972	unless (exists $self->{channel}{$channel->{id}}) {
		2973	$self->{channel}{$channel->{id}} = $channel;
		2974	$self->ext_msg (channel_info => $channel);
		2975	}
		2976
		2977	$channel = $channel->{id};
		2978	}
		2979
		2980	return unless @extra || length $msg;
		2981
		2982	# default colour, mask it out
		2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2984	if $color & cf::NDI_DEF;
		2985
		2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
		2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2989	);
		2990
		2991	$self->send_big_packet ($pkt);
		2992	}
		2993
		2994	=item $client->ext_msg ($type, @msg)
		2995
		2996	Sends an ext event to the client.
		2997
		2998	=cut
		2999
		3000	sub cf::client::ext_msg($$@) {
		3001	my ($self, $type, @msg) = @_;
		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
		3006	push @msg, msgtype => "event_$type";
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3008	}
		3009	}
		3010
		3011	=item $client->ext_reply ($msgid, @msg)
		3012
		3013	Sends an ext reply to the client.
		3014
		3015	=cut
		3016
		3017	sub cf::client::ext_reply($$@) {
		3018	my ($self, $id, @msg) = @_;
		3019
		3020	if ($self->extcmd == 2) {
		3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3022	} elsif ($self->extcmd == 1) {
		3023	#TODO: version 1, remove
		3024	unshift @msg, msgtype => "reply", msgid => $id;
		3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3026	}
		3027	}
1978		3028
1979	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
1980		3030
1981	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3032	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3033	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3034
1985	Queries can fail, so check the return code. Or don't, as queries will become	3035	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3036	become reliable at some point in the future.
1987		3037
1988	=cut	3038	=cut
1989		3039
1990	sub cf::client::query {	3040	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3049	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3051
2002	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
2004	}	3056	}
2005		3057
2006	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
2007	on_reply => sub {	3064	on_reply => sub {
2008	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
2009		3066
2010	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
2011	# get handled first	3068	# get handled first
…		…
2023	} else {	3080	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3082	}
2026	}	3083	}
2027	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($ns, $buf) = @_;
		3087
		3088	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3089
		3090	if (ref $msg) {
		3091	my ($type, $reply, @payload) =
		3092	"ARRAY" eq ref $msg
		3093	? @$msg
		3094	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3095
		3096	my @reply;
		3097
		3098	if (my $cb = $EXTICMD{$type}) {
		3099	@reply = $cb->($ns, @payload);
		3100	}
		3101
		3102	$ns->ext_reply ($reply, @reply)
		3103	if $reply;
		3104
		3105	} else {
		3106	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3107	}
		3108
		3109	cf::override;
		3110	},
2028	);	3111	);
2029		3112
2030	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
2031		3114
2032	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
2075		3158
2076	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2077		3160
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
2079		3166
2080	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
2081		3168
2082	=pod	3169	=pod
2083		3170
2084	The following fucntions and emthods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2085		3172
2086	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
2087	cf::object::player player	3178	cf::object::player
2088	cf::player peaceful	3179	player
2089	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
2090		3186
2091	=cut	3187	=cut
2092		3188
2093	for (	3189	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2098	) {	3196	) {
2099	no strict 'refs';	3197	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2119		3217
2120	my $qcode = $code;	3218	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2123		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2124	local $_;	3225	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3226
2127	my $eval =	3227	my $eval =
2128	"do {\n"	3228	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3231	. $code
2132	. "\n}"	3232	. "\n}"
2133	;	3233	;
2134		3234
		3235	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
2138		3244
2139	if ($@) {	3245	if ($@) {
2140	warn "$@";	3246	warn "$@";
2141	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2142	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2161	=cut	3267	=cut
2162		3268
2163	sub register_script_function {	3269	sub register_script_function {
2164	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2165		3271
2166	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2168	}	3274	}
2169		3275
2170	=back	3276	=back
2171		3277
2172	=cut	3278	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245		3279
2246	#############################################################################	3280	#############################################################################
2247	# the server's init and main functions	3281	# the server's init and main functions
2248		3282
2249	sub init_resources {	3283	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3284	my ($path) = @_;
		3285
		3286	# HACK to clear player env face cache, we need some signal framework
		3287	# for this (global event?)
		3288	%ext::player_env::MUSIC_FACE_CACHE = ();
		3289
		3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3291
		3292	warn "loading facedata from $path\n";
		3293
		3294	my $facedata;
		3295	0 < aio_load $path, $facedata
		3296	or die "$path: $!";
		3297
		3298	$facedata = Coro::Storable::thaw $facedata;
		3299
		3300	$facedata->{version} == 2
		3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3302
		3303	# patch in the exptable
		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3305	$facedata->{resource}{"res/exp_table"} = {
		3306	type => FT_RSRC,
		3307	data => $exp_table,
		3308	hash => (Digest::MD5::md5 $exp_table),
		3309	};
		3310	cf::cede_to_tick;
		3311
		3312	{
		3313	my $faces = $facedata->{faceinfo};
		3314
		3315	while (my ($face, $info) = each %$faces) {
		3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3317
		3318	cf::face::set_visibility $idx, $info->{visibility};
		3319	cf::face::set_magicmap $idx, $info->{magicmap};
		3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3322
		3323	cf::cede_to_tick;
		3324	}
		3325
		3326	while (my ($face, $info) = each %$faces) {
		3327	next unless $info->{smooth};
		3328
		3329	my $idx = cf::face::find $face
		3330	or next;
		3331
		3332	if (my $smooth = cf::face::find $info->{smooth}) {
		3333	cf::face::set_smooth $idx, $smooth;
		3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3335	} else {
		3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3337	}
		3338
		3339	cf::cede_to_tick;
		3340	}
		3341	}
		3342
		3343	{
		3344	my $anims = $facedata->{animinfo};
		3345
		3346	while (my ($anim, $info) = each %$anims) {
		3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3348	cf::cede_to_tick;
		3349	}
		3350
		3351	cf::anim::invalidate_all; # d'oh
		3352	}
		3353
		3354	{
		3355	my $res = $facedata->{resource};
		3356
		3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
		3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3360
		3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3362	cf::face::set_type $idx, $info->{type};
		3363	} else {
		3364	$RESOURCE{$name} = $info;
		3365	}
		3366
		3367	cf::cede_to_tick;
		3368	}
		3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3372
		3373	1
		3374	}
		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
		3395
		3396	register_exticmd fx_want => sub {
		3397	my ($ns, $want) = @_;
		3398
		3399	while (my ($k, $v) = each %$want) {
		3400	$ns->fx_want ($k, $v);
		3401	}
		3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
		3413
		3414	sub reload_regions {
		3415	# HACK to clear player env face cache, we need some signal framework
		3416	# for this (global event?)
		3417	%ext::player_env::MUSIC_FACE_CACHE = ();
		3418
		3419	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3420	or die "unable to load regions file\n";
2252	}
2253		3421
2254	sub cfg_load {	3422	for (cf::region::list) {
		3423	$_->{match} = qr/$_->{match}/
		3424	if exists $_->{match};
		3425	}
		3426	}
		3427
		3428	sub reload_facedata {
		3429	load_facedata "$DATADIR/facedata"
		3430	or die "unable to load facedata\n";
		3431	}
		3432
		3433	sub reload_archetypes {
		3434	load_resource_file "$DATADIR/archetypes"
		3435	or die "unable to load archetypes\n";
		3436	}
		3437
		3438	sub reload_treasures {
		3439	load_resource_file "$DATADIR/treasures"
		3440	or die "unable to load treasurelists\n";
		3441	}
		3442
		3443	sub reload_resources {
		3444	warn "reloading resource files...\n";
		3445
		3446	reload_facedata;
		3447	reload_archetypes;
		3448	reload_regions;
		3449	reload_treasures;
		3450
		3451	warn "finished reloading resource files\n";
		3452	}
		3453
		3454	sub reload_config {
		3455	warn "reloading config file...\n";
		3456
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3458	or return;
2257		3459
2258	local $/;	3460	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2260		3462
2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2262		3464
2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2269	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2270	};	3472	};
2271	warn $@ if $@;	3473	warn $@ if $@;
2272	}	3474	}
2273	}
2274		3475
2275	sub init {	3476	warn "finished reloading resource files\n";
2276	init_resources;	3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
2277	}	3505	}
2278		3506
2279	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
2280	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3525	(async {
2284	Event::one_event;	3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3528	})->prio (Coro::PRIO_MAX);
2286	};	3529	};
2287		3530
2288	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
		3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
		3538	reload_config;
2289	db_init;	3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
2290	load_extensions;	3550	load_extensions;
2291		3551
2292	$TICK_WATCHER->start;	3552	utime time, time, $RUNTIMEFILE;
2293	Event::loop;	3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
2294	}	3562	}
2295		3563
2296	#############################################################################	3564	#############################################################################
2297	# initialisation and cleanup	3565	# initialisation and cleanup
2298		3566
2299	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
2300	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
2309	},
2310	);	3573	};
		3574	}
		3575	}
		3576
		3577	sub write_runtime_sync {
		3578	my $t0 = EV::time;
		3579
		3580	# first touch the runtime file to show we are still running:
		3581	# the fsync below can take a very very long time.
		3582
		3583	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3584
		3585	my $guard = cf::lock_acquire "write_runtime";
		3586
		3587	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3588	or return;
		3589
		3590	my $value = $cf::RUNTIME + 90 + 10;
		3591	# 10 is the runtime save interval, for a monotonic clock
		3592	# 60 allows for the watchdog to kill the server.
		3593
		3594	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3595	and return;
		3596
		3597	# always fsync - this file is important
		3598	aio_fsync $fh
		3599	and return;
		3600
		3601	# touch it again to show we are up-to-date
		3602	aio_utime $fh, undef, undef;
		3603
		3604	close $fh
		3605	or return;
		3606
		3607	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3608	and return;
		3609
		3610	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3611
2311	}	3612	1
		3613	}
		3614
		3615	our $uuid_lock;
		3616	our $uuid_skip;
		3617
		3618	sub write_uuid_sync($) {
		3619	$uuid_skip ||= $_[0];
		3620
		3621	return if $uuid_lock;
		3622	local $uuid_lock = 1;
		3623
		3624	my $uuid = "$LOCALDIR/uuid";
		3625
		3626	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3627	or return;
		3628
		3629	my $value = uuid_seq uuid_cur;
		3630
		3631	unless ($value) {
		3632	warn "cowardly refusing to write zero uuid value!\n";
		3633	return;
		3634	}
		3635
		3636	my $value = uuid_str $value + $uuid_skip;
		3637	$uuid_skip = 0;
		3638
		3639	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3640	and return;
		3641
		3642	# always fsync - this file is important
		3643	aio_fsync $fh
		3644	and return;
		3645
		3646	close $fh
		3647	or return;
		3648
		3649	aio_rename "$uuid~", $uuid
		3650	and return;
		3651
		3652	warn "uuid file written ($value).\n";
		3653
		3654	1
		3655
		3656	}
		3657
		3658	sub write_uuid($$) {
		3659	my ($skip, $sync) = @_;
		3660
		3661	$sync ? write_uuid_sync $skip
		3662	: async { write_uuid_sync $skip };
2312	}	3663	}
2313		3664
2314	sub emergency_save() {	3665	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3666	my $freeze_guard = cf::freeze_mainloop;
2316		3667
2317	warn "enter emergency perl save\n";	3668	warn "emergency_perl_save: enter\n";
2318		3669
2319	cf::sync_job {	3670	cf::sync_job {
		3671	# this is a trade-off: we want to be very quick here, so
		3672	# save all maps without fsync, and later call a global sync
		3673	# (which in turn might be very very slow)
		3674	local $USE_FSYNC = 0;
		3675
2320	# use a peculiar iteration method to avoid tripping on perl	3676	# use a peculiar iteration method to avoid tripping on perl
2321	# refcount bugs in for. also avoids problems with players	3677	# refcount bugs in for. also avoids problems with players
2322	# and maps saved/destroyed asynchronously.	3678	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3679	warn "emergency_perl_save: begin player save\n";
2324	for my $login (keys %cf::PLAYER) {	3680	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3681	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3682	$pl->valid or next;
		3683	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3684	$pl->save;
2328	}	3685	}
2329	warn "end emergency player save\n";	3686	warn "emergency_perl_save: end player save\n";
2330		3687
2331	warn "begin emergency map save\n";	3688	warn "emergency_perl_save: begin map save\n";
2332	for my $path (keys %cf::MAP) {	3689	for my $path (keys %cf::MAP) {
2333	my $map = $cf::MAP{$path} or next;	3690	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3691	$map->valid or next;
2335	$map->save;	3692	$map->save;
2336	}	3693	}
2337	warn "end emergency map save\n";	3694	warn "emergency_perl_save: end map save\n";
2338		3695
2339	warn "begin emergency database checkpoint\n";	3696	warn "emergency_perl_save: begin database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3697	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3698	warn "emergency_perl_save: end database checkpoint\n";
		3699
		3700	warn "emergency_perl_save: begin write uuid\n";
		3701	write_uuid_sync 1;
		3702	warn "emergency_perl_save: end write uuid\n";
2342	};	3703	};
2343		3704
		3705	warn "emergency_perl_save: starting sync()\n";
		3706	IO::AIO::aio_sync sub {
		3707	warn "emergency_perl_save: finished sync()\n";
		3708	};
		3709
2344	warn "leave emergency perl save\n";	3710	warn "emergency_perl_save: leave\n";
2345	}	3711	}
2346		3712
2347	sub post_cleanup {	3713	sub post_cleanup {
2348	my ($make_core) = @_;	3714	my ($make_core) = @_;
2349		3715
2350	warn Carp::longmess "post_cleanup backtrace"	3716	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3717	if $make_core;
2352	}
2353		3718
		3719	my $fh = pidfile;
		3720	unlink $PIDFILE if <$fh> == $$;
		3721	}
		3722
		3723	# a safer delete_package, copied from Symbol
		3724	sub clear_package($) {
		3725	my $pkg = shift;
		3726
		3727	# expand to full symbol table name if needed
		3728	unless ($pkg =~ /^main::.*::$/) {
		3729	$pkg = "main$pkg" if $pkg =~ /^::/;
		3730	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3731	$pkg .= '::' unless $pkg =~ /::$/;
		3732	}
		3733
		3734	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3735	my $stem_symtab = *{$stem}{HASH};
		3736
		3737	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3738	or return;
		3739
		3740	# clear all symbols
		3741	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3742	for my $name (keys %$leaf_symtab) {
		3743	_gv_clear *{"$pkg$name"};
		3744	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3745	}
		3746	warn "cleared package $pkg\n";#d#
		3747	}
		3748
2354	sub reload() {	3749	sub do_reload_perl() {
2355	# can/must only be called in main	3750	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3752	warn "can only reload from main coroutine";
2358	return;	3753	return;
2359	}	3754	}
2360		3755
		3756	return if $RELOAD++;
		3757
		3758	my $t1 = EV::time;
		3759
		3760	while ($RELOAD) {
2361	warn "reloading...";	3761	warn "reloading...";
2362		3762
2363	warn "entering sync_job";	3763	warn "entering sync_job";
2364		3764
2365	cf::sync_job {	3765	cf::sync_job {
2366	cf::write_runtime; # external watchdog should not bark	3766	cf::write_runtime_sync; # external watchdog should not bark
2367	cf::emergency_save;	3767	cf::emergency_save;
2368	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2369		3769
2370	warn "syncing database to disk";	3770	warn "syncing database to disk";
2371	BDB::db_env_txn_checkpoint $DB_ENV;	3771	BDB::db_env_txn_checkpoint $DB_ENV;
2372		3772
2373	# if anything goes wrong in here, we should simply crash as we already saved	3773	# if anything goes wrong in here, we should simply crash as we already saved
2374		3774
2375	warn "cancelling all WF_AUTOCANCEL watchers";
2376	for (Event::all_watchers) {
2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2378	}
2379
2380	warn "flushing outstanding aio requests";	3775	warn "flushing outstanding aio requests";
2381	for (;;) {
2382	BDB::flush;
2383	IO::AIO::flush;
2384	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3776	while (IO::AIO::nreqs || BDB::nreqs) {
2386	warn "iterate...";	3777	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	}
2388
2389	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();
2392
2393	warn "removing commands";
2394	%COMMAND = ();
2395
2396	warn "removing ext commands";
2397	%EXTCMD = ();
2398
2399	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";
2402
2403	if (my $cb = $pkg->can ("unload")) {
2404	eval {
2405	$cb->($pkg);
2406	1
2407	} or warn "$pkg unloaded, but with errors: $@";
2408	}	3778	}
2409		3779
2410	warn "... nuking $pkg";	3780	warn "cancelling all extension coros";
2411	Symbol::delete_package $pkg;	3781	$_->cancel for values %EXT_CORO;
2412	}	3782	%EXT_CORO = ();
2413		3783
2414	warn "unloading all perl modules loaded from $LIBDIR";	3784	warn "removing commands";
2415	while (my ($k, $v) = each %INC) {	3785	%COMMAND = ();
2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2417		3786
		3787	warn "removing ext/exti commands";
		3788	%EXTCMD = ();
		3789	%EXTICMD = ();
		3790
		3791	warn "unloading/nuking all extensions";
		3792	for my $pkg (@EXTS) {
2418	warn "... unloading $k";	3793	warn "... unloading $pkg";
2419	delete $INC{$k};
2420		3794
2421	$k =~ s/\.pm$//;
2422	$k =~ s/\//::/g;
2423
2424	if (my $cb = $k->can ("unload_module")) {	3795	if (my $cb = $pkg->can ("unload")) {
		3796	eval {
2425	$cb->();	3797	$cb->($pkg);
		3798	1
		3799	} or warn "$pkg unloaded, but with errors: $@";
		3800	}
		3801
		3802	warn "... clearing $pkg";
		3803	clear_package $pkg;
2426	}	3804	}
2427		3805
2428	Symbol::delete_package $k;	3806	warn "unloading all perl modules loaded from $LIBDIR";
		3807	while (my ($k, $v) = each %INC) {
		3808	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3809
		3810	warn "... unloading $k";
		3811	delete $INC{$k};
		3812
		3813	$k =~ s/\.pm$//;
		3814	$k =~ s/\//::/g;
		3815
		3816	if (my $cb = $k->can ("unload_module")) {
		3817	$cb->();
		3818	}
		3819
		3820	clear_package $k;
2429	}	3821	}
2430		3822
2431	warn "getting rid of safe::, as good as possible";	3823	warn "getting rid of safe::, as good as possible";
2432	Symbol::delete_package "safe::$_"	3824	clear_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3825	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3826
2435	warn "unloading cf.pm \"a bit\"";	3827	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3828	delete $INC{"cf.pm"};
		3829	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2437		3830
2438	# don't, removes xs symbols, too,	3831	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3832	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3833	#clear_package __PACKAGE__;
2441		3834
2442	warn "unload completed, starting to reload now";	3835	warn "unload completed, starting to reload now";
2443		3836
2444	warn "reloading cf.pm";	3837	warn "reloading cf.pm";
2445	require cf;	3838	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3839	cf::_connect_to_perl_1;
2447		3840
2448	warn "loading config and database again";	3841	warn "loading config and database again";
2449	cf::cfg_load;	3842	cf::reload_config;
2450		3843
2451	warn "loading extensions";	3844	warn "loading extensions";
2452	cf::load_extensions;	3845	cf::load_extensions;
2453		3846
		3847	if ($REATTACH_ON_RELOAD) {
2454	warn "reattaching attachments to objects/players";	3848	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3849	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3850	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3851	reattach $_ for values %MAP;
		3852	warn "reattaching attachments to players";
		3853	reattach $_ for values %PLAYER;
		3854	}
2458		3855
2459	warn "loading reloadable resources";	3856	warn "running post_init jobs";
2460	init_resources;	3857	(pop @POST_INIT)->(1) while @POST_INIT;
2461		3858
2462	warn "leaving sync_job";	3859	warn "leaving sync_job";
2463		3860
2464	1	3861	1
2465	} or do {	3862	} or do {
2466	warn $@;	3863	warn $@;
2467	warn "error while reloading, exiting.";	3864	cf::cleanup "error while reloading, exiting.";
2468	exit 1;	3865	};
		3866
		3867	warn "reloaded";
		3868	--$RELOAD;
		3869	}
		3870
		3871	$t1 = EV::time - $t1;
		3872	warn "reload completed in ${t1}s\n";
		3873	};
		3874
		3875	our $RELOAD_WATCHER; # used only during reload
		3876
		3877	sub reload_perl() {
		3878	# doing reload synchronously and two reloads happen back-to-back,
		3879	# coro crashes during coro_state_free->destroy here.
		3880
		3881	$RELOAD_WATCHER ||= cf::async {
		3882	Coro::AIO::aio_wait cache_extensions;
		3883
		3884	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3885	do_reload_perl;
		3886	undef $RELOAD_WATCHER;
		3887	};
2469	};	3888	};
2470		3889	}
2471	warn "reloaded";
2472	};
2473
2474	our $RELOAD_WATCHER; # used only during reload
2475		3890
2476	register_command "reload" => sub {	3891	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3892	my ($who, $arg) = @_;
2478		3893
2479	if ($who->flag (FLAG_WIZ)) {	3894	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3895	$who->message ("reloading server.");
2481		3896	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3897	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3898	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3899	};
2494	}	3900	}
2495	};	3901	};
2496		3902
2497	unshift @INC, $LIBDIR;	3903	unshift @INC, $LIBDIR;
2498		3904
2499	my $bug_warning = 0;	3905	my $bug_warning = 0;
2500		3906
2501	$TICK_WATCHER = Event->timer (	3907	our @WAIT_FOR_TICK;
2502	reentrant => 0,	3908	our @WAIT_FOR_TICK_BEGIN;
2503	parked => 1,	3909
2504	prio => 0,	3910	sub wait_for_tick {
2505	at => $NEXT_TICK || $TICK,	3911	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2506	data => WF_AUTOCANCEL,	3912
2507	cb => sub {	3913	my $signal = new Coro::Signal;
		3914	push @WAIT_FOR_TICK, $signal;
		3915	$signal->wait;
		3916	}
		3917
		3918	sub wait_for_tick_begin {
		3919	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3920
		3921	my $signal = new Coro::Signal;
		3922	push @WAIT_FOR_TICK_BEGIN, $signal;
		3923	$signal->wait;
		3924	}
		3925
		3926	sub tick {
2508	if ($Coro::current != $Coro::main) {	3927	if ($Coro::current != $Coro::main) {
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3928	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3929	unless ++$bug_warning > 10;
2511	return;	3930	return;
2512	}	3931	}
2513		3932
2514	$NOW = Event::time;
2515
2516	cf::server_tick; # one server iteration	3933	cf::server_tick; # one server iteration
2517	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;
2519		3934
		3935	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
		3936
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3937	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3938	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522	Coro::async_pool {	3939	Coro::async_pool {
		3940	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3941	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3942	or warn "ERROR: unable to write runtime file: $!";
2525	};
2526	}	3943	};
2527
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	3944	}
2540	);	3945
		3946	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3947	$sig->send;
		3948	}
		3949	while (my $sig = shift @WAIT_FOR_TICK) {
		3950	$sig->send;
		3951	}
		3952
		3953	$LOAD = ($NOW - $TICK_START) / $TICK;
		3954	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3955
		3956	if (0) {
		3957	if ($NEXT_TICK) {
		3958	my $jitter = $TICK_START - $NEXT_TICK;
		3959	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3960	warn "jitter $JITTER\n";#d#
		3961	}
		3962	}
		3963	}
2541		3964
2542	{	3965	{
2543	BDB::max_poll_time $TICK * 0.1;	3966	# configure BDB
2544	$BDB_POLL_WATCHER = Event->io (	3967
2545	reentrant => 0,
2546	fd => BDB::poll_fileno,
2547	poll => 'r',
2548	prio => 0,
2549	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,
2551	);
2552	BDB::min_parallel 8;	3968	BDB::min_parallel 16;
2553		3969	BDB::max_poll_reqs $TICK * 0.1;
2554	BDB::set_sync_prepare {	3970	$AnyEvent::BDB::WATCHER->priority (1);
2555	my $status;
2556	my $current = $Coro::current;
2557	(
2558	sub {
2559	$status = $!;
2560	$current->ready; undef $current;
2561	},
2562	sub {
2563	Coro::schedule while defined $current;
2564	$! = $status;
2565	},
2566	)
2567	};
2568		3971
2569	unless ($DB_ENV) {	3972	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3973	$DB_ENV = BDB::db_env_create;
		3974	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3975	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3976	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3977	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3978	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3979
2572	cf::sync_job {	3980	cf::sync_job {
2573	eval {	3981	eval {
2574	BDB::db_env_open	3982	BDB::db_env_open
2575	$DB_ENV,	3983	$DB_ENV,
2576	$BDB_ENV_DIR,	3984	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3985	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3986	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3987	0666;
2580		3988
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3989	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3990	};
2586		3991
2587	cf::cleanup "db_env_open(db): $@" if $@;	3992	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3993	};
2589	}	3994	}
		3995
		3996	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3997	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3998	};
		3999	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4000	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4001	};
		4002	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4003	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4004	};
2590	}	4005	}
2591		4006
2592	{	4007	{
		4008	# configure IO::AIO
		4009
2593	IO::AIO::min_parallel 8;	4010	IO::AIO::min_parallel 8;
2594
2595	undef $Coro::AIO::WATCHER;
2596	IO::AIO::max_poll_time $TICK * 0.1;	4011	IO::AIO::max_poll_time $TICK * 0.1;
2597	$AIO_POLL_WATCHER = Event->io (	4012	undef $AnyEvent::AIO::WATCHER;
2598	reentrant => 0,
2599	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	cb => \&IO::AIO::poll_cb,
2604	);
2605	}	4013	}
		4014
		4015	my $_log_backtrace;
		4016
		4017	sub _log_backtrace {
		4018	my ($msg, @addr) = @_;
		4019
		4020	$msg =~ s/\n//;
		4021
		4022	# limit the # of concurrent backtraces
		4023	if ($_log_backtrace < 2) {
		4024	++$_log_backtrace;
		4025	my $perl_bt = Carp::longmess $msg;
		4026	async {
		4027	$Coro::current->{desc} = "abt $msg";
		4028
		4029	my @bt = fork_call {
		4030	@addr = map { sprintf "%x", $_ } @addr;
		4031	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4032	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4033	or die "addr2line: $!";
		4034
		4035	my @funcs;
		4036	my @res = <$fh>;
		4037	chomp for @res;
		4038	while (@res) {
		4039	my ($func, $line) = splice @res, 0, 2, ();
		4040	push @funcs, "[$func] $line";
		4041	}
		4042
		4043	@funcs
		4044	};
		4045
		4046	LOG llevInfo, "[ABT] $perl_bt\n";
		4047	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4048	LOG llevInfo, "[ABT] $_\n" for @bt;
		4049	--$_log_backtrace;
		4050	};
		4051	} else {
		4052	LOG llevInfo, "[ABT] $msg\n";
		4053	LOG llevInfo, "[ABT] [suppressed]\n";
		4054	}
		4055	}
		4056
		4057	# load additional modules
		4058	require "cf/$_.pm" for @EXTRA_MODULES;
		4059	cf::_connect_to_perl_2;
2606		4060
2607	END { cf::emergency_save }	4061	END { cf::emergency_save }
2608		4062
2609	1	4063	1
2610		4064

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