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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 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 $pl->quit_character
1026		1581
1027	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1029		1584
…		…
1033	my ($pl) = @_;	1588	my ($pl) = @_;
1034		1589
1035	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1036		1591
1037	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1038	$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
1039		1594
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1044		1601
1045	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1076	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1077		1634
1078	=cut	1635	=cut
1079		1636
1080	sub list_logins {	1637	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1639	or return [];
1083		1640
1084	my @logins;	1641	my @logins;
1085		1642
1086	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") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1090		1653
1091	utf8::decode $login;	1654	utf8::decode $login;
1092	push @logins, $login;	1655	push @logins, $login;
1093	}	1656	}
1094		1657
…		…
1121	}	1684	}
1122		1685
1123	\@paths	1686	\@paths
1124	}	1687	}
1125		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1127		1694
1128	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1129		1696
1130	=cut	1697	=cut
1131		1698
1132	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1134		1701
1135	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1703	}
1139		1704
1140	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	}
1141		1745
1142	=back	1746	=back
1143
1144		1747
1145	=head3 cf::map	1748	=head3 cf::map
1146		1749
1147	=over 4	1750	=over 4
1148		1751
…		…
1160	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1162		1765
1163	sub generate_random_map {	1766	sub generate_random_map {
1164	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
1165	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1166	$self->_create_random_map (	1772	$self->_create_random_map (
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1203	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1204		1810
1205	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1206	local $self->{path};	1812	local $self->{path};
1207	local $self->{load_path};	1813	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1814
1211	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1212	}	1816	}
1213		1817
1214	sub normalise {	1818	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1262	return $self;	1866	return $self;
1263	}	1867	}
1264	}	1868	}
1265		1869
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1871	()
1268	}	1872	}
1269		1873
1270	sub init {	1874	sub init {
1271	my ($self) = @_;	1875	my ($self) = @_;
…		…
1286		1890
1287	# the original (read-only) location	1891	# the original (read-only) location
1288	sub load_path {	1892	sub load_path {
1289	my ($self) = @_;	1893	my ($self) = @_;
1290		1894
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1292	}	1896	}
1293		1897
1294	# the temporary/swap location	1898	# the temporary/swap location
1295	sub save_path {	1899	sub save_path {
1296	my ($self) = @_;	1900	my ($self) = @_;
1297		1901
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1300	}	1904	}
1301		1905
1302	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1303	sub uniq_path {	1907	sub uniq_path {
1304	my ($self) = @_;	1908	my ($self) = @_;
1305		1909
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1308	}	1912	}
1309		1913
1310	# and all this just because we cannot iterate over	1914	sub decay_objects {
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;	1915	my ($self) = @_;
1314		1916
1315	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1316	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1317	}	1920	}
1318		1921
1319	sub unlink_save {	1922	sub unlink_save {
1320	my ($self) = @_;	1923	my ($self) = @_;
1321		1924
…		…
1326		1929
1327	sub load_header_from($) {	1930	sub load_header_from($) {
1328	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1329		1932
1330	utf8::encode $path;	1933	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	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;
1336		1942
1337	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1338		1944
1339	1	1945	1
1340	}	1946	}
…		…
1379	$self->load_header_orig	1985	$self->load_header_orig
1380	or return;	1986	or return;
1381	$self->prepare_orig;	1987	$self->prepare_orig;
1382	}	1988	}
1383		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
1384	1	1996	1
1385	}	1997	}
1386		1998
1387	sub find;	1999	sub find;
1388	sub find {	2000	sub find {
1389	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1390		2002
1391	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1392		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1394		2007
1395	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";
1397	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1398	or return;	2010	or return;
1399		2011
1400	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1401		2013
1402	$map->load_header	2014	$map->load_header
1403	or return;	2015	or return;
1404		2016
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1408	$map->reset;	2022	$map->reset;
1409	undef $guard;
1410	return find $path;	2023	return find $path;
1411	}	2024	}
1412		2025
1413	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1414	}	2027	}
1415	}	2028	}
1416		2029
1417	sub pre_load { }	2030	sub pre_load { }
1418	sub post_load { }	2031	#sub post_load { } # XS
1419		2032
1420	sub load {	2033	sub load {
1421	my ($self) = @_;	2034	my ($self) = @_;
1422		2035
1423	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1424		2037
1425	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1427		2042
		2043	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		2045
1430	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1431		2047
1432	$self->alloc;	2048	$self->alloc;
1433		2049
1434	$self->pre_load;	2050	$self->pre_load;
		2051	cf::cede_to_tick;
1435		2052
1436	$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)
1437	or return;	2056	or return;
1438		2057
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1440	if delete $self->{load_original};	2059	if delete $self->{load_original};
1441		2060
1442	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2062	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2065	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1447	}	2069	}
1448	}	2070	}
1449		2071
1450	Coro::cede;	2072	$f->resolve_delayed_derefs;
1451		2073
		2074	cf::cede_to_tick;
1452	# now do the right thing for maps	2075	# now do the right thing for maps
1453	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2078	unless $self->difficulty;
1463	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;
1464	$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);
1465	}	2093	}
1466		2094
1467	$self->post_load;	2095	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	2096	}
1471		2097
1472	sub customise_for {	2098	sub customise_for {
1473	my ($self, $ob) = @_;	2099	my ($self, $ob) = @_;
1474		2100
1475	return find "~" . $ob->name . "/" . $self->{path}	2101	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2102	if $self->per_player;
1477		2103
		2104	# return find "?party/" . $ob->name . "/" . $self->{path}
		2105	# if $self->per_party;
		2106
1478	$self	2107	$self
1479	}	2108	}
1480		2109
1481	# 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
1482	sub load_diag {	2111	sub load_neighbours {
1483	my ($map) = @_;	2112	my ($map) = @_;
1484		2113
1485	my @diag; # diagonal neighbours	2114	my @neigh; # diagonal neighbours
1486		2115
1487	for (0 .. 3) {	2116	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2117	my $neigh = $map->tile_path ($_)
1489	or next;	2118	or next;
1490	$neigh = find $neigh, $map	2119	$neigh = find $neigh, $map
1491	or next;	2120	or next;
1492	$neigh->load;	2121	$neigh->load;
1493		2122
		2123	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2126	}
1497		2127
1498	for (@diag) {	2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2130	my $neigh = find $path, $origin
1500	or next;	2131	or next;
1501	$neigh->load;	2132	$neigh->load;
1502	}	2133	}
1503	}	2134	}
1504		2135
…		…
1509	}	2140	}
1510		2141
1511	sub do_load_sync {	2142	sub do_load_sync {
1512	my ($map) = @_;	2143	my ($map) = @_;
1513		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1514	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
1515	}	2149	}
1516		2150
1517	our %MAP_PREFETCH;	2151	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2152	our $MAP_PREFETCHER = undef;
1519		2153
1520	sub find_async {	2154	sub find_async {
1521	my ($path, $origin) = @_;	2155	my ($path, $origin, $load) = @_;
1522		2156
1523	$path = normalise $path, $origin && $origin->{path};	2157	$path = normalise $path, $origin && $origin->{path};
1524		2158
1525	if (my $map = $cf::MAP{$path}) {	2159	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1527	}	2161	}
1528		2162
1529	undef $MAP_PREFETCH{$path};	2163	$MAP_PREFETCH{$path} |= $load;
		2164
1530	$MAP_PREFETCHER ||= cf::async {	2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
1531	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2170	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2171	$map->load if $v;
		2172	}
1536		2173
1537	delete $MAP_PREFETCH{$path};	2174	delete $MAP_PREFETCH{$k};
1538	}	2175	}
1539	}	2176	}
1540	undef $MAP_PREFETCHER;	2177	undef $MAP_PREFETCHER;
1541	};	2178	};
1542	$MAP_PREFETCHER->prio (6);	2179	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2182	}
1546		2183
1547	sub save {	2184	sub save {
1548	my ($self) = @_;	2185	my ($self) = @_;
1549		2186
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2188
1552	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1553		2190
1554	return unless $self->dirty;	2191	return unless $self->dirty;
1555		2192
…		…
1561	return if $self->{deny_save};	2198	return if $self->{deny_save};
1562		2199
1563	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1564		2201
1565	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1567	};	2205	};
		2206
		2207	cf::get_slot 0.02;
1568		2208
1569	if ($uniq) {	2209	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2212	} else {
…		…
1578	my ($self) = @_;	2218	my ($self) = @_;
1579		2219
1580	# save first because save cedes	2220	# save first because save cedes
1581	$self->save;	2221	$self->save;
1582		2222
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2224
1585	return if $self->players;	2225	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1587	return if $self->{deny_save};	2227	return if $self->{deny_save};
1588		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2233	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2234	}
1592		2235
1593	sub reset_at {	2236	sub reset_at {
1594	my ($self) = @_;	2237	my ($self) = @_;
1595		2238
1596	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1599		2241
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	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;
1602		2244
…		…
1613	my ($self) = @_;	2255	my ($self) = @_;
1614		2256
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2258
1617	return if $self->players;	2259	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2260
1620	warn "resetting map ", $self->path;#d#	2261	warn "resetting map ", $self->path, "\n";
1621		2262
1622	$self->in_memory (cf::MAP_SWAPPED);	2263	$self->in_memory (cf::MAP_SWAPPED);
1623		2264
1624	# need to save uniques path	2265	# need to save uniques path
1625	unless ($self->{deny_save}) {	2266	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2270	if $uniq;
1630	}	2271	}
1631		2272
1632	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1633		2274
		2275	$self->deactivate;
		2276	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2277	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2278
1638	$self->unlink_save;	2279	$self->unlink_save;
1639	$self->destroy;	2280	$self->destroy;
1640	}	2281	}
1641		2282
1642	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1643		2284
1644	sub nuke {	2285	sub nuke {
1645	my ($self) = @_;	2286	my ($self) = @_;
1646		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
1647	delete $cf::MAP{$self->path};	2291	delete $cf::MAP{$self->path};
1648		2292
1649	$self->unlink_save;	2293	$self->unlink_save;
1650		2294
1651	bless $self, "cf::map";	2295	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2296	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2300
1657	$cf::MAP{$self->path} = $self;	2301	$cf::MAP{$self->path} = $self;
		2302	}
1658		2303
1659	$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	]
1660	}	2341	}
1661		2342
1662	=item cf::map::unique_maps	2343	=item cf::map::unique_maps
1663		2344
1664	Returns an arrayref of paths of all shared maps that have	2345	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2346	instantiated unique items. May block.
1666		2347
1667	=cut	2348	=cut
1668		2349
1669	sub unique_maps() {	2350	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2351	[
1671	or return;	2352	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2353	utf8::decode $_;
1677	next if /\.pst$/;	2354	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2356	? ()
1680	push @paths, cf::map::normalise $_;	2357	: normalise $_
		2358	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2359	]
1682
1683	\@paths
1684	}	2360	}
1685		2361
1686	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	}
1687		2393
1688	=back	2394	=back
1689		2395
1690	=head3 cf::object	2396	=head3 cf::object
1691		2397
…		…
1695		2401
1696	=over 4	2402	=over 4
1697		2403
1698	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1699		2405
1700	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.
1701		2408
1702	=cut	2409	=cut
1703		2410
1704	sub inv_recursive_;	2411	sub inv_recursive_;
1705	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1708		2415
1709	sub inv_recursive {	2416	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1711	}	2418	}
1712		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
1713	package cf;	2448	package cf;
1714		2449
1715	=back	2450	=back
1716		2451
1717	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1723	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>
1724	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
1725	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1726		2461
1727	=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	};
1728		2477
1729	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2479	# with dialog boxes.
1731	#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
1732	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1734		2483
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2485
1737	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1739	} 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 {
1740	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1742	}	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 (@_);
1743	}	2511	}
1744		2512
1745	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1746		2514
1747	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1760		2528
1761	=item $player_object->enter_link	2529	=item $player_object->enter_link
1762		2530
1763	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}>).
1764		2532
1765	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.
1766	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.
1767		2537
1768	Will never block.	2538	Will never block.
1769		2539
1770	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1771		2541
…		…
1794	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1795		2565
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2567
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1800		2570
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2572	}
1803		2573
1804	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1806		2578
1807	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1808		2580
1809	unless ($map) {	2581	unless ($map) {
1810	# restore original map position	2582	# restore original map position
…		…
1821	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1822	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1823		2595
1824	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1827		2599
1828	$map->load;	2600	$map->load;
1829	$map->load_diag;	2601	$map->load_neighbours;
1830		2602
1831	return unless $self->contr->active;	2603	return unless $self->contr->active;
1832	$self->activate_recursive;
1833		2604
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2606	$self->enter_map ($map, $x, $y);
1836	}
1837		2607
1838	cf::player->attach (	2608	# only activate afterwards, to support waiting in hooks
1839	on_logout => sub {	2609	$self->activate_recursive;
1840	my ($pl) = @_;	2610	}
1841		2611
1842	# abort map switching before logout	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1843	if ($pl->ob->{_link_pos}) {
1844	cf::sync_job {
1845	$pl->ob->leave_link
1846	};
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2613
1852	# try to abort aborted map switching on player login :)	2614	Moves the player to the given map-path and coordinates by first freezing
1853	# should happen only on crashes	2615	her, loading and preparing them map, calling the provided $check callback
1854	if ($pl->ob->{_link_pos}) {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1855	$pl->ob->enter_link;	2617	the new (success) or old (failed) map position. In either case, $done will
1856	(async {	2618	be called at the end of this process.
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869		2619
1870	=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 >>.
1871		2622
1872	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1873		2626
1874	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1875	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;
1876		2632
1877	$self->enter_link;	2633	$self->enter_link;
1878		2634
1879	(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
1880	my $map = eval {	2657	my $map = eval {
1881	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1882	$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
1883	$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 $@;
1884	} or	2673	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1888	})->prio (1);	2681	})->prio (1);
1889	}	2682	}
1890		2683
1891	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1892		2685
…		…
1912	}	2705	}
1913		2706
1914	sub prepare_random_map {	2707	sub prepare_random_map {
1915	my ($exit) = @_;	2708	my ($exit) = @_;
1916		2709
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2712	# that depends on the exit object
1922		2713
1923	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2716	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1930	}	2723	}
1931		2724
1932	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1933		2726
1934	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1937		2730
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2733	undef $fh;
1941	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1942		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1945	}	2742	}
1946	}	2743	}
1947		2744
1948	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
1950		2747
1951	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1952		2749
1953	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
1955	cf::sync_job { prepare_random_map $exit };
1956	}
1957
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;
1961
1962	$self->enter_link;	2750	$self->enter_link;
1963		2751
1964	(async {	2752	(async {
1965	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1966	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
1967	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
1968		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
1969	1;	2776	1
1970	}) {	2777	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
1972	. "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. "
1973	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2782
1976	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2784	$self->leave_link;
1978	}	2785	}
1979	})->prio (1);	2786	})->prio (1);
…		…
1992		2799
1993	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1995		2802
1996	utf8::encode $text;	2803	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2805	}
1999		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	}
2000		3028
2001	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
2002		3030
2003	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
2004	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>,
2005	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>.
2006		3034
2007	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
2008	reliable at some point in the future.	3036	become reliable at some point in the future.
2009		3037
2010	=cut	3038	=cut
2011		3039
2012	sub cf::client::query {	3040	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	3049	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		3051
2024	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
2026	}	3056	}
2027		3057
2028	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	},
2029	on_reply => sub {	3064	on_reply => sub {
2030	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
2031		3066
2032	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
2033	# get handled first	3068	# get handled first
…		…
2045	} else {	3080	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3082	}
2048	}	3083	}
2049	},	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	},
2050	);	3111	);
2051		3112
2052	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
2053		3114
2054	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
2097		3158
2098	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2099		3160
2100	$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	));
2101		3166
2102	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
2103		3168
2104	=pod	3169	=pod
2105		3170
2106	The following fucntions and emthods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2107		3172
2108	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
2109	cf::object::player player	3178	cf::object::player
2110	cf::player peaceful	3179	player
2111	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
2112		3186
2113	=cut	3187	=cut
2114		3188
2115	for (	3189	for (
2116	["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)],
2117	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2119	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2120	) {	3196	) {
2121	no strict 'refs';	3197	no strict 'refs';
2122	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2141		3217
2142	my $qcode = $code;	3218	my $qcode = $code;
2143	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2144	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2145		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2146	local $_;	3225	local $_;
2147	local @safe::cf::_safe_eval_args = values %vars;
2148		3226
2149	my $eval =	3227	my $eval =
2150	"do {\n"	3228	"do {\n"
2151	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2152	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2153	. $code	3231	. $code
2154	. "\n}"	3232	. "\n}"
2155	;	3233	;
2156		3234
		3235	if ($CFG{safe_eval}) {
2157	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2158	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2159	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	}
2160		3244
2161	if ($@) {	3245	if ($@) {
2162	warn "$@";	3246	warn "$@";
2163	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2164	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2183	=cut	3267	=cut
2184		3268
2185	sub register_script_function {	3269	sub register_script_function {
2186	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2187		3271
2188	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2189	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2190	}	3274	}
2191		3275
2192	=back	3276	=back
2193		3277
2194	=cut	3278	=cut
2195
2196	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267		3279
2268	#############################################################################	3280	#############################################################################
2269	# the server's init and main functions	3281	# the server's init and main functions
2270		3282
2271	sub init_resources {	3283	sub load_facedata($) {
2272	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"
2273	or die "unable to load regions file\n";#d#	3420	or die "unable to load regions file\n";
2274	}
2275		3421
2276	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
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3458	or return;
2279		3459
2280	local $/;	3460	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2282		3462
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3464
2285	$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};
2286	$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};
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3472	};
2293	warn $@ if $@;	3473	warn $@ if $@;
2294	}	3474	}
2295	}
2296		3475
2297	sub init {	3476	warn "finished reloading resource files\n";
2298	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;
2299	}	3505	}
2300		3506
2301	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
2302	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2304	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#
2305	(async {	3525	(async {
2306	Event::one_event;	3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3528	})->prio (Coro::PRIO_MAX);
2308	};	3529	};
2309		3530
2310	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;
2311	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
2312	load_extensions;	3550	load_extensions;
2313		3551
2314	$TICK_WATCHER->start;	3552	utime time, time, $RUNTIMEFILE;
2315	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;
2316	}	3562	}
2317		3563
2318	#############################################################################	3564	#############################################################################
2319	# initialisation and cleanup	3565	# initialisation and cleanup
2320		3566
2321	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
2322	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
2331	},
2332	);	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
2333	}	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 };
2334	}	3663	}
2335		3664
2336	sub emergency_save() {	3665	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3666	my $freeze_guard = cf::freeze_mainloop;
2338		3667
2339	warn "enter emergency perl save\n";	3668	warn "emergency_perl_save: enter\n";
2340		3669
2341	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
2342	# use a peculiar iteration method to avoid tripping on perl	3676	# use a peculiar iteration method to avoid tripping on perl
2343	# refcount bugs in for. also avoids problems with players	3677	# refcount bugs in for. also avoids problems with players
2344	# and maps saved/destroyed asynchronously.	3678	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3679	warn "emergency_perl_save: begin player save\n";
2346	for my $login (keys %cf::PLAYER) {	3680	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3681	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3682	$pl->valid or next;
		3683	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3684	$pl->save;
2350	}	3685	}
2351	warn "end emergency player save\n";	3686	warn "emergency_perl_save: end player save\n";
2352		3687
2353	warn "begin emergency map save\n";	3688	warn "emergency_perl_save: begin map save\n";
2354	for my $path (keys %cf::MAP) {	3689	for my $path (keys %cf::MAP) {
2355	my $map = $cf::MAP{$path} or next;	3690	my $map = $cf::MAP{$path} or next;
2356	$map->valid or next;	3691	$map->valid or next;
2357	$map->save;	3692	$map->save;
2358	}	3693	}
2359	warn "end emergency map save\n";	3694	warn "emergency_perl_save: end map save\n";
2360		3695
2361	warn "begin emergency database checkpoint\n";	3696	warn "emergency_perl_save: begin database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3697	BDB::db_env_txn_checkpoint $DB_ENV;
2363	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";
2364	};	3703	};
2365		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
2366	warn "leave emergency perl save\n";	3710	warn "emergency_perl_save: leave\n";
2367	}	3711	}
2368		3712
2369	sub post_cleanup {	3713	sub post_cleanup {
2370	my ($make_core) = @_;	3714	my ($make_core) = @_;
2371		3715
2372	warn Carp::longmess "post_cleanup backtrace"	3716	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3717	if $make_core;
2374	}
2375		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 $pkg\n";#d#
		3747	}
		3748
2376	sub reload() {	3749	sub do_reload_perl() {
2377	# can/must only be called in main	3750	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3752	warn "can only reload from main coroutine";
2380	return;	3753	return;
2381	}	3754	}
2382		3755
		3756	return if $RELOAD++;
		3757
		3758	my $t1 = EV::time;
		3759
		3760	while ($RELOAD) {
2383	warn "reloading...";	3761	warn "reloading...";
2384		3762
2385	warn "entering sync_job";	3763	warn "entering sync_job";
2386		3764
2387	cf::sync_job {	3765	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark	3766	cf::write_runtime_sync; # external watchdog should not bark
2389	cf::emergency_save;	3767	cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2391		3769
2392	warn "syncing database to disk";	3770	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;	3771	BDB::db_env_txn_checkpoint $DB_ENV;
2394		3772
2395	# 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
2396		3774
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";	3775	warn "flushing outstanding aio requests";
2403	for (;;) {
2404	BDB::flush;
2405	IO::AIO::flush;
2406	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3776	while (IO::AIO::nreqs || BDB::nreqs) {
2408	warn "iterate...";	3777	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2409	}
2410
2411	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();
2414
2415	warn "removing commands";
2416	%COMMAND = ();
2417
2418	warn "removing ext commands";
2419	%EXTCMD = ();
2420
2421	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";
2424
2425	if (my $cb = $pkg->can ("unload")) {
2426	eval {
2427	$cb->($pkg);
2428	1
2429	} or warn "$pkg unloaded, but with errors: $@";
2430	}	3778	}
2431		3779
2432	warn "... nuking $pkg";	3780	warn "cancelling all extension coros";
2433	Symbol::delete_package $pkg;	3781	$_->cancel for values %EXT_CORO;
2434	}	3782	%EXT_CORO = ();
2435		3783
2436	warn "unloading all perl modules loaded from $LIBDIR";	3784	warn "removing commands";
2437	while (my ($k, $v) = each %INC) {	3785	%COMMAND = ();
2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2439		3786
		3787	warn "removing ext/exti commands";
		3788	%EXTCMD = ();
		3789	%EXTICMD = ();
		3790
		3791	warn "unloading/nuking all extensions";
		3792	for my $pkg (@EXTS) {
2440	warn "... unloading $k";	3793	warn "... unloading $pkg";
2441	delete $INC{$k};
2442		3794
2443	$k =~ s/\.pm$//;
2444	$k =~ s/\//::/g;
2445
2446	if (my $cb = $k->can ("unload_module")) {	3795	if (my $cb = $pkg->can ("unload")) {
		3796	eval {
2447	$cb->();	3797	$cb->($pkg);
		3798	1
		3799	} or warn "$pkg unloaded, but with errors: $@";
		3800	}
		3801
		3802	warn "... clearing $pkg";
		3803	clear_package $pkg;
2448	}	3804	}
2449		3805
2450	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 $k;
2451	}	3821	}
2452		3822
2453	warn "getting rid of safe::, as good as possible";	3823	warn "getting rid of safe::, as good as possible";
2454	Symbol::delete_package "safe::$_"	3824	clear_package "safe::$_"
2455	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);
2456		3826
2457	warn "unloading cf.pm \"a bit\"";	3827	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3828	delete $INC{"cf.pm"};
		3829	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2459		3830
2460	# don't, removes xs symbols, too,	3831	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3832	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3833	#clear_package __PACKAGE__;
2463		3834
2464	warn "unload completed, starting to reload now";	3835	warn "unload completed, starting to reload now";
2465		3836
2466	warn "reloading cf.pm";	3837	warn "reloading cf.pm";
2467	require cf;	3838	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3839	cf::_connect_to_perl_1;
2469		3840
2470	warn "loading config and database again";	3841	warn "loading config and database again";
2471	cf::cfg_load;	3842	cf::reload_config;
2472		3843
2473	warn "loading extensions";	3844	warn "loading extensions";
2474	cf::load_extensions;	3845	cf::load_extensions;
2475		3846
		3847	if ($REATTACH_ON_RELOAD) {
2476	warn "reattaching attachments to objects/players";	3848	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3849	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3850	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3851	reattach $_ for values %MAP;
		3852	warn "reattaching attachments to players";
		3853	reattach $_ for values %PLAYER;
		3854	}
2480		3855
2481	warn "loading reloadable resources";	3856	warn "running post_init jobs";
2482	init_resources;	3857	(pop @POST_INIT)->(1) while @POST_INIT;
2483		3858
2484	warn "leaving sync_job";	3859	warn "leaving sync_job";
2485		3860
2486	1	3861	1
2487	} or do {	3862	} or do {
2488	warn $@;	3863	warn $@;
2489	warn "error while reloading, exiting.";	3864	cf::cleanup "error while reloading, exiting.";
2490	exit 1;	3865	};
		3866
		3867	warn "reloaded";
		3868	--$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	};
2491	};	3888	};
2492		3889	}
2493	warn "reloaded";
2494	};
2495
2496	our $RELOAD_WATCHER; # used only during reload
2497		3890
2498	register_command "reload" => sub {	3891	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3892	my ($who, $arg) = @_;
2500		3893
2501	if ($who->flag (FLAG_WIZ)) {	3894	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3895	$who->message ("reloading server.");
2503		3896	async {
2504	# doing reload synchronously and two reloads happen back-to-back,	3897	$Coro::current->{desc} = "perl_reload";
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;	3898	reload_perl;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);	3899	};
2516	}	3900	}
2517	};	3901	};
2518		3902
2519	unshift @INC, $LIBDIR;	3903	unshift @INC, $LIBDIR;
2520		3904
2521	my $bug_warning = 0;	3905	my $bug_warning = 0;
2522		3906
2523	$TICK_WATCHER = Event->timer (	3907	our @WAIT_FOR_TICK;
2524	reentrant => 0,	3908	our @WAIT_FOR_TICK_BEGIN;
2525	parked => 1,	3909
2526	prio => 0,	3910	sub wait_for_tick {
2527	at => $NEXT_TICK || $TICK,	3911	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2528	data => WF_AUTOCANCEL,	3912
2529	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	$signal->wait;
		3924	}
		3925
		3926	sub tick {
2530	if ($Coro::current != $Coro::main) {	3927	if ($Coro::current != $Coro::main) {
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3928	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3929	unless ++$bug_warning > 10;
2533	return;	3930	return;
2534	}	3931	}
2535		3932
2536	$NOW = Event::time;
2537
2538	cf::server_tick; # one server iteration	3933	cf::server_tick; # one server iteration
2539	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;
2541		3934
		3935	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
		3936
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3937	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3938	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2544	Coro::async_pool {	3939	Coro::async_pool {
		3940	$Coro::current->{desc} = "runtime saver";
2545	write_runtime	3941	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3942	or warn "ERROR: unable to write runtime file: $!";
2547	};
2548	}	3943	};
2549
2550	$WAIT_FOR_TICK->broadcast;
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552
2553	# my $AFTER = Event::time;
2554	# warn $AFTER - $NOW;#d#
2555
2556	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2558
2559	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;
2561	},	3944	}
2562	);	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	}
2563		3964
2564	{	3965	{
2565	BDB::max_poll_time $TICK * 0.1;	3966	# configure BDB
2566	$BDB_POLL_WATCHER = Event->io (	3967
2567	reentrant => 0,
2568	fd => BDB::poll_fileno,
2569	poll => 'r',
2570	prio => 0,
2571	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,
2573	);
2574	BDB::min_parallel 8;	3968	BDB::min_parallel 16;
2575		3969	BDB::max_poll_reqs $TICK * 0.1;
2576	BDB::set_sync_prepare {	3970	$AnyEvent::BDB::WATCHER->priority (1);
2577	my $status;
2578	my $current = $Coro::current;
2579	(
2580	sub {
2581	$status = $!;
2582	$current->ready; undef $current;
2583	},
2584	sub {
2585	Coro::schedule while defined $current;
2586	$! = $status;
2587	},
2588	)
2589	};
2590		3971
2591	unless ($DB_ENV) {	3972	unless ($DB_ENV) {
2592	$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);
2593		3979
2594	cf::sync_job {	3980	cf::sync_job {
2595	eval {	3981	eval {
2596	BDB::db_env_open	3982	BDB::db_env_open
2597	$DB_ENV,	3983	$DB_ENV,
2598	$BDB_ENV_DIR,	3984	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3985	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3986	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3987	0666;
2602		3988
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3989	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;
2607	};	3990	};
2608		3991
2609	cf::cleanup "db_env_open(db): $@" if $@;	3992	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	3993	};
2611	}	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	};
2612	}	4005	}
2613		4006
2614	{	4007	{
		4008	# configure IO::AIO
		4009
2615	IO::AIO::min_parallel 8;	4010	IO::AIO::min_parallel 8;
2616
2617	undef $Coro::AIO::WATCHER;
2618	IO::AIO::max_poll_time $TICK * 0.1;	4011	IO::AIO::max_poll_time $TICK * 0.1;
2619	$AIO_POLL_WATCHER = Event->io (	4012	undef $AnyEvent::AIO::WATCHER;
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	fd => IO::AIO::poll_fileno,
2623	poll => 'r',
2624	prio => 6,
2625	cb => \&IO::AIO::poll_cb,
2626	);
2627	}	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;
2628		4060
2629	END { cf::emergency_save }	4061	END { cf::emergency_save }
2630		4062
2631	1	4063	1
2632		4064

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