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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.508 by root, Sun Mar 28 22:29:50 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;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
21		54
		55	use JSON::XS 2.01 ();
22	use BDB ();	56	use BDB ();
23	use Data::Dumper;	57	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use YAML::Syck ();	59	use YAML::XS ();
27	use IO::AIO 2.32 ();	60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
30		66
31	# configure various modules to our taste	67	# configure various modules to our taste
32	#	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
34	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
35		77
36	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
37		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		80
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	115	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
67		124
68	our %CFG;	125	our %CFG;
69		126
70	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
72		130
73	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		134
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		147
85	binmode STDOUT;	148	binmode STDOUT;
86	binmode STDERR;	149	binmode STDERR;
87		150
88	# read virtual server time, if available	151	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
93	}	156	}
94		157
95	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	159
97	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		162
102	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
103		164
104	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::"} };
105		177
106	#############################################################################	178	#############################################################################
107		179
108	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
109		181
…		…
116	=item $cf::RUNTIME	188	=item $cf::RUNTIME
117		189
118	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
119	every server tick.	191	every server tick.
120		192
121	=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
122		196
123	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		201
126	=item $cf::NOW	202	=item $cf::NOW
127		203
128	The time of the last (current) server tick.	204	The time of the last (current) server tick.
129		205
130	=item $cf::TICK	206	=item $cf::TICK
131		207
132	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	220	=item %cf::CFG
135		221
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	223	from wherever your confdir points to.
138		224
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		226
141	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
142	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
143	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.
144	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.
145		242
146	=back	243	=back
147		244
148	=cut	245	=cut
149		246
150	BEGIN {	247	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	248	my $msg = join "", @_;
153	utf8::encode $msg;
154		249
155	$msg .= "\n"	250	$msg .= "\n"
156	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
157		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
158	LOG llevError, $msg;	255	LOG llevError, $msg;
159	};	256	};
160	}	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	};
161		271
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		279
169	# 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
170	# within the Safe compartment.	281	# within the Safe compartment.
171	for my $pkg (qw(	282	for my $pkg (qw(
172	cf::global cf::attachable	283	cf::global cf::attachable
173	cf::object cf::object::player	284	cf::object cf::object::player
174	cf::client cf::player	285	cf::client cf::player
175	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
176	cf::map cf::party cf::region	288	cf::party cf::region
177	)) {	289	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	291	}
181		292
182	$Event::DIED = sub {	293	$EV::DIED = sub {
183	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
184	};	295	};
		296
		297	#############################################################################
185		298
186	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
187		300
188	=over 4	301	=over 4
189		302
…		…
208	$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;
209	$d	322	$d
210	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
211	}	324	}
212		325
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
216		327
217	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
218		329
219	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
220		331
221	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
222		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[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;
		353	}
		354
223	=item cf::lock_wait $string	355	=item cf::lock_wait $string
224		356
225	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
226		358
227	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
228		360
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
232	returned.	364	returned.
233		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
234	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
235	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
236		371
237	=cut	372	=item $locked = cf::lock_active $string
238		373
239	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
240		379
241	sub lock_wait($) {	380	sub lock_wait($) {
242	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	382	}
250		383
251	sub lock_acquire($) {	384	sub lock_acquire($) {
252	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
253		387
254	# wait, to be sure we are not locked	388	sub lock_active($) {
255	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	390	}
264		391
265	sub freeze_mainloop {	392	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
267		394
268	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
270	};	462	}
271	$TICK_WATCHER->stop;	463	};
272	$guard	464
		465	sub get_slot($;$$) {
		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	$sig->wait;
273	}	478	}
274		479
275	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
276		481
277	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		487
283	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
284		489
285	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
286		491
287	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
290		496
291	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
294	fast or be very important.	500	fast or be very important.
…		…
297		503
298	sub sync_job(&) {	504	sub sync_job(&) {
299	my ($job) = @_;	505	my ($job) = @_;
300		506
301	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
302	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
304		512
305	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	514
307	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
308		516
309	my $busy = 1;	517	my $busy = 1;
310	my @res;	518	my @res;
311		519
312	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	522	@res = eval { $job->() };
314	warn $@ if $@;	523	warn $@ if $@;
315	undef $busy;	524	undef $busy;
316	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
317		526
318	while ($busy) {	527	while ($busy) {
319	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
320	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
321		538
322	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
323	} else {	540	} else {
324	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
325		542
…		…
345	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
346		563
347	$coro	564	$coro
348	}	565	}
349		566
350	sub write_runtime {	567	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		568
353	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.
354		573
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
356	or return;
357		575
358	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		578
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
363	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
364		582
365	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	584	reset_signals;
367	and return;	585	&$cb
		586	}, @args;
368		587
369	close $fh	588	wantarray ? @res : $res[-1]
370	or return;	589	}
371		590
372	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
373	and return;
374		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
375	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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"
376	}	743	}
377		744
378	=item cf::datalog type => key => value, ...	745	=item cf::datalog type => key => value, ...
379		746
380	Log a datalog packet of the given type with the given key-value pairs.	747	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		759
393	#############################################################################	760	#############################################################################
394		761
395	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
396		763
397	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
398	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")
399	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
400		767
401	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>
402	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
403	crossfire+).	770	Deliantra).
404		771
405	=over 4	772	=over 4
406		773
407	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
408		775
…		…
452	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
453		820
454	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
456		823
457	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		826
460	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
461		828
462	=over 4	829	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
572		939
573	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		944
578	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	946	my $pkg = shift @arg;
580		947
581	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
611	}	978	}
612		979
613	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
614	} else {	981	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	983	}
617		984
618	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
619	}	986	}
620		987
…		…
622	if (ref $_[0]) {	989	if (ref $_[0]) {
623	_object_attach @_;	990	_object_attach @_;
624	} else {	991	} else {
625	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
626	}	993	}
		994	_recalc_want;
627	};	995	};
628		996
629	# all those should be optimised	997	# all those should be optimised
630	sub cf::attachable::detach {	998	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1003	reattach ($obj);
636	} else {	1004	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
638	}	1006	}
		1007	_recalc_want;
639	};	1008	};
640		1009
641	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
643		1012
…		…
658	";	1027	";
659	die if $@;	1028	die if $@;
660	}	1029	}
661		1030
662	our $override;	1031	our $override;
663	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?
664		1033
665	sub override {	1034	sub override {
666	$override = 1;	1035	$override = 1;
667	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
668	}	1037	}
669		1038
670	sub do_invoke {	1039	sub do_invoke {
671	my $event = shift;	1040	my $event = shift;
672	my $callbacks = shift;	1041	my $callbacks = shift;
673		1042
674	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
675		1044
676	local $override;	1045	local $override;
677		1046
678	for (@$callbacks) {	1047	for (@$callbacks) {
679	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
688	}	1057	}
689		1058
690	0	1059	0
691	}	1060	}
692		1061
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1063
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1065
697	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
698		1067
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1071
703	=back	1072	=back
704		1073
705	=cut	1074	=cut
706		1075
707	#############################################################################	1076	#############################################################################
708	# 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, $ob2
		1119	}
709		1120
710	sub reattach {	1121	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1123	my ($obj) = @_;
713		1124
		1125	# no longer needed after getting rid of delete_package?
714	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
715		1127
716	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
717		1129
718	@$registry = ();	1130	@$registry = ();
719		1131
…		…
734	cf::attachable->attach (	1146	cf::attachable->attach (
735	prio => -1000000,	1147	prio => -1000000,
736	on_instantiate => sub {	1148	on_instantiate => sub {
737	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
738		1150
739	$data = from_json $data;	1151	$data = decode_json $data;
740		1152
741	for (@$data) {	1153	for (@$data) {
742	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
743		1155
744	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1172	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
762		1174
763	sync_job {	1175	sync_job {
764	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
767		1180
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1188	aio_close $fh;
773		1189
774	if (@$objs) {	1190	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1199	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
782	}	1201	}
783	} else {	1202	} else {
784	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
785	}	1204	}
786		1205
787	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1210	} else {
789	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
790	}	1212	}
791	} else {	1213	} else {
792	aio_unlink $filename;	1214	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
794	}	1216	}
795	}	1217	};
796	}	1218	}
797		1219
798	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
800		1222
…		…
812	or return;	1234	or return;
813		1235
814	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
816	or return;	1238	or return;
		1239
817	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
818	}	1242	}
819		1243
		1244	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
822	return ($data, $av);	1248	($data, $av)
823	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
824		1256
825	#############################################################################	1257	#############################################################################
826	# command handling &c	1258	# command handling &c
827		1259
828	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1274	}
843		1275
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1277
846	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.
847		1283
848	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
849	called.	1285	called.
850		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
851	=cut	1298	=cut
852		1299
853	sub register_extcmd {	1300	sub register_extcmd {
854	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
855		1302
856	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
857	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
858		1313
859	cf::player->attach (	1314	cf::player->attach (
860	on_command => sub {	1315	on_command => sub {
861	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
862		1317
…		…
870	cf::override;	1325	cf::override;
871	},	1326	},
872	on_extcmd => sub {	1327	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
874		1329
875	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1331
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
883	} else {	1347	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1349	}
886		1350
887	cf::override;	1351	cf::override;
888	},	1352	},
889	);	1353	);
890		1354
		1355	# "readahead" all extensions
891	sub load_extension {	1356	sub cache_extensions {
892	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
893		1358
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1362	}
919	die $@;
920	}	1363	};
921		1364
922	push @EXTS, $pkg;	1365	$grp
923	}	1366	}
924		1367
925	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
926	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1373	next unless -r $path;
928	eval {	1374
929	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 $active;
		1434	}
930	1	1435	}
931	} or warn "$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	}
932	}	1446	};
933	}	1447	}
934		1448
935	#############################################################################	1449	#############################################################################
936		1450
		1451	=back
		1452
937	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
938		1454
939	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
940		1456
941	=cut	1457	=cut
942		1458
943	package cf::player;	1459	package cf::player;
944		1460
…		…
946		1462
947	=head3 cf::player	1463	=head3 cf::player
948		1464
949	=over 4	1465	=over 4
950		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
951	=item cf::player::find $login	1481	=item cf::player::find $login
952		1482
953	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
954		1484
955	=cut	1485	=cut
956		1486
957	sub playerdir($) {	1487	sub playerdir($) {
958	cf::localdir	1488	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1490	}
964		1491
965	sub path($) {	1492	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1503
977	sub exists($) {	1504	sub exists($) {
978	my ($login) = @_;	1505	my ($login) = @_;
979		1506
980	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
982	}	1509	}
983		1510
984	sub find($) {	1511	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1513	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
997		1524
998	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1001	}	1534	}
1002	}	1535	}
1003	}	1536	}
1004		1537
…		…
1013	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1014		1547
1015	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1017		1550
		1551	cf::get_slot 0.01;
		1552
1018	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1019	Coro::cede;	1554	cf::cede_to_tick;
1020	}	1555	}
1021		1556
1022	sub new($) {	1557	sub new($) {
1023	my ($login) = @_;	1558	my ($login) = @_;
1024		1559
…		…
1030	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1031		1566
1032	$self	1567	$self
1033	}	1568	}
1034		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
1035	=item $pl->quit_character	1580	=item $pl->quit_character
1036		1581
1037	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1039		1584
…		…
1043	my ($pl) = @_;	1588	my ($pl) = @_;
1044		1589
1045	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1046		1591
1047	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1048	$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
1049		1594
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1054		1601
1055	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1087		1634
1088	=cut	1635	=cut
1089		1636
1090	sub list_logins {	1637	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1639	or return [];
1093		1640
1094	my @logins;	1641	my @logins;
1095		1642
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1100		1653
1101	utf8::decode $login;	1654	utf8::decode $login;
1102	push @logins, $login;	1655	push @logins, $login;
1103	}	1656	}
1104		1657
…		…
1131	}	1684	}
1132		1685
1133	\@paths	1686	\@paths
1134	}	1687	}
1135		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1136	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1137		1694
1138	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1139		1696
1140	=cut	1697	=cut
1141		1698
1142	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1144		1701
1145	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1703	}
1149		1704
1150	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1151		1706
1152	Sends an ext event to the client.	1707	Sends an ext event to the client.
1153		1708
1154	=cut	1709	=cut
1155		1710
1156	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1158		1713
1159	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1160	}	1715	}
1161		1716
1162	package cf;	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	}
1163		1745
1164	=back	1746	=back
1165
1166		1747
1167	=head3 cf::map	1748	=head3 cf::map
1168		1749
1169	=over 4	1750	=over 4
1170		1751
…		…
1182	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1184		1765
1185	sub generate_random_map {	1766	sub generate_random_map {
1186	my ($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
1187	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1772	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1193	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1225	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1226		1810
1227	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1228	local $self->{path};	1812	local $self->{path};
1229	local $self->{load_path};	1813	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1814
1233	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1234	}	1816	}
1235		1817
1236	sub normalise {	1818	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1284	return $self;	1866	return $self;
1285	}	1867	}
1286	}	1868	}
1287		1869
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1871	()
1290	}	1872	}
1291		1873
1292	sub init {	1874	sub init {
1293	my ($self) = @_;	1875	my ($self) = @_;
…		…
1308		1890
1309	# the original (read-only) location	1891	# the original (read-only) location
1310	sub load_path {	1892	sub load_path {
1311	my ($self) = @_;	1893	my ($self) = @_;
1312		1894
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1314	}	1896	}
1315		1897
1316	# the temporary/swap location	1898	# the temporary/swap location
1317	sub save_path {	1899	sub save_path {
1318	my ($self) = @_;	1900	my ($self) = @_;
1319		1901
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1322	}	1904	}
1323		1905
1324	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1325	sub uniq_path {	1907	sub uniq_path {
1326	my ($self) = @_;	1908	my ($self) = @_;
1327		1909
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1330	}	1912	}
1331		1913
1332	# and all this just because we cannot iterate over	1914	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	1915	my ($self) = @_;
1336		1916
1337	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1339	}	1920	}
1340		1921
1341	sub unlink_save {	1922	sub unlink_save {
1342	my ($self) = @_;	1923	my ($self) = @_;
1343		1924
…		…
1348		1929
1349	sub load_header_from($) {	1930	sub load_header_from($) {
1350	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1351		1932
1352	utf8::encode $path;	1933	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	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;
1358		1942
1359	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1360		1944
1361	1	1945	1
1362	}	1946	}
…		…
1401	$self->load_header_orig	1985	$self->load_header_orig
1402	or return;	1986	or return;
1403	$self->prepare_orig;	1987	$self->prepare_orig;
1404	}	1988	}
1405		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 $self->default_region;
		1995
1406	1	1996	1
1407	}	1997	}
1408		1998
1409	sub find;	1999	sub find;
1410	sub find {	2000	sub find {
1411	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1412		2002
1413	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1414		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1416		2007
1417	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1420	or return;	2010	or return;
1421		2011
1422	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1423		2013
1424	$map->load_header	2014	$map->load_header
1425	or return;	2015	or return;
1426		2016
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1430	$map->reset;	2022	$map->reset;
1431	undef $guard;
1432	return find $path;	2023	return find $path;
1433	}	2024	}
1434		2025
1435	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1436	}	2027	}
1437	}	2028	}
1438		2029
1439	sub pre_load { }	2030	sub pre_load { }
1440	sub post_load { }	2031	#sub post_load { } # XS
1441		2032
1442	sub load {	2033	sub load {
1443	my ($self) = @_;	2034	my ($self) = @_;
1444		2035
1445	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1446		2037
1447	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1449		2042
		2043	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2045
1452	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1453		2047
1454	$self->alloc;	2048	$self->alloc;
1455		2049
1456	$self->pre_load;	2050	$self->pre_load;
		2051	cf::cede_to_tick;
1457		2052
1458	$self->_load_objects ($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)
1459	or return;	2056	or return;
1460		2057
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1462	if delete $self->{load_original};	2059	if delete $self->{load_original};
1463		2060
1464	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2062	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2065	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1469	}	2069	}
1470	}	2070	}
1471		2071
1472	Coro::cede;	2072	$f->resolve_delayed_derefs;
1473		2073
		2074	cf::cede_to_tick;
1474	# now do the right thing for maps	2075	# now do the right thing for maps
1475	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2078	unless $self->difficulty;
1485	Coro::cede;	2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1486	$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);
1487	}	2093	}
1488		2094
1489	$self->post_load;	2095	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2096	}
1493		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1494	sub customise_for {	2101	sub customise_for {
1495	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1496		2103
1497	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2105	if $self->per_player;
1499		2106
		2107	# return find "?party/" . $ob->name . "/" . $self->{path}
		2108	# if $self->per_party;
		2109
1500	$self	2110	$self
1501	}	2111	}
1502		2112
1503	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2114	sub load_neighbours {
1505	my ($map) = @_;	2115	my ($map) = @_;
1506		2116
1507	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1508		2118
1509	for (0 .. 3) {	2119	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1511	or next;	2121	or next;
1512	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1513	or next;	2123	or next;
1514	$neigh->load;	2124	$neigh->load;
1515		2125
		2126	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2129	}
1519		2130
1520	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1522	or next;	2134	or next;
1523	$neigh->load;	2135	$neigh->load;
1524	}	2136	}
1525	}	2137	}
1526		2138
…		…
1531	}	2143	}
1532		2144
1533	sub do_load_sync {	2145	sub do_load_sync {
1534	my ($map) = @_;	2146	my ($map) = @_;
1535		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1536	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1537	}	2152	}
1538		2153
1539	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1541		2156
1542	sub find_async {	2157	sub find_async {
1543	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1544		2159
1545	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1546		2161
1547	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2164	}
1550		2165
1551	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1552	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1553	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2173	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2174	$map->load if $v;
		2175	}
1558		2176
1559	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1560	}	2178	}
1561	}	2179	}
1562	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1563	};	2181	};
1564	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2185	}
1568		2186
1569	sub save {	2187	sub save {
1570	my ($self) = @_;	2188	my ($self) = @_;
1571		2189
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2191
1574	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1575		2193
1576	return unless $self->dirty;	2194	return unless $self->dirty;
1577		2195
…		…
1583	return if $self->{deny_save};	2201	return if $self->{deny_save};
1584		2202
1585	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1586		2204
1587	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1589	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1590		2211
1591	if ($uniq) {	2212	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2215	} else {
…		…
1600	my ($self) = @_;	2221	my ($self) = @_;
1601		2222
1602	# save first because save cedes	2223	# save first because save cedes
1603	$self->save;	2224	$self->save;
1604		2225
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2227
1607	return if $self->players;	2228	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2230	return if $self->{deny_save};
1610		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2236	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2237	}
1614		2238
1615	sub reset_at {	2239	sub reset_at {
1616	my ($self) = @_;	2240	my ($self) = @_;
1617		2241
1618	# TODO: safety, remove and allow resettable per-player maps	2242	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2243	return 1e99 if $self->{deny_reset};
1621		2244
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2245	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2246	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2247
…		…
1635	my ($self) = @_;	2258	my ($self) = @_;
1636		2259
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2261
1639	return if $self->players;	2262	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2263
1642	warn "resetting map ", $self->path;#d#	2264	warn "resetting map ", $self->path, "\n";
1643		2265
1644	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
1645		2267
1646	# need to save uniques path	2268	# need to save uniques path
1647	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2273	if $uniq;
1652	}	2274	}
1653		2275
1654	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1655		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2280	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2281
1660	$self->unlink_save;	2282	$self->unlink_save;
1661	$self->destroy;	2283	$self->destroy;
1662	}	2284	}
1663		2285
1664	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1665		2287
1666	sub nuke {	2288	sub nuke {
1667	my ($self) = @_;	2289	my ($self) = @_;
1668		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
1669	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1670		2295
1671	$self->unlink_save;	2296	$self->unlink_save;
1672		2297
1673	bless $self, "cf::map";	2298	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2303
1679	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
1680		2306
1681	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
		2308	}
		2309
		2310	=item $maps = cf::map::tmp_maps
		2311
		2312	Returns an arrayref with all map paths of currently instantiated and saved
		2313	maps. May block.
		2314
		2315	=cut
		2316
		2317	sub tmp_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise $_
		2323	: ()
		2324	} @{ aio_readdir $TMPDIR or [] }
		2325	]
		2326	}
		2327
		2328	=item $maps = cf::map::random_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	random maps. May block.
		2332
		2333	=cut
		2334
		2335	sub random_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise "?random/$_"
		2341	: ()
		2342	} @{ aio_readdir $RANDOMDIR or [] }
		2343	]
1682	}	2344	}
1683		2345
1684	=item cf::map::unique_maps	2346	=item cf::map::unique_maps
1685		2347
1686	Returns an arrayref of paths of all shared maps that have	2348	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2349	instantiated unique items. May block.
1688		2350
1689	=cut	2351	=cut
1690		2352
1691	sub unique_maps() {	2353	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2354	[
1693	or return;	2355	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2356	utf8::decode $_;
1699	next if /\.pst$/;	2357	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2359	? ()
1702	push @paths, cf::map::normalise $_;	2360	: normalise $_
		2361	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2362	]
1704
1705	\@paths
1706	}	2363	}
1707		2364
1708	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
1709		2396
1710	=back	2397	=back
1711		2398
1712	=head3 cf::object	2399	=head3 cf::object
1713		2400
…		…
1717		2404
1718	=over 4	2405	=over 4
1719		2406
1720	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1721		2408
1722	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1723		2411
1724	=cut	2412	=cut
1725		2413
1726	sub inv_recursive_;	2414	sub inv_recursive_;
1727	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1730		2418
1731	sub inv_recursive {	2419	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1733	}	2421	}
1734		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1735	package cf;	2451	package cf;
1736		2452
1737	=back	2453	=back
1738		2454
1739	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1748		2464
1749	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1750		2480
1751	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2482	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1756		2486
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2488
1759	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1761	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1764	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1765	}	2514	}
1766		2515
1767	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1768		2517
1769	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1782		2531
1783	=item $player_object->enter_link	2532	=item $player_object->enter_link
1784		2533
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2535
1787	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
1789		2540
1790	Will never block.	2541	Will never block.
1791		2542
1792	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1793		2544
…		…
1816	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1817		2568
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2570
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1822		2573
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2575	}
1825		2576
1826	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1828		2581
1829	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1830		2583
1831	unless ($map) {	2584	unless ($map) {
1832	# restore original map position	2585	# restore original map position
…		…
1843	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
1844	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
1845		2598
1846	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
1849		2602
1850	$map->load;	2603	$map->load;
1851	$map->load_diag;	2604	$map->load_neighbours;
1852		2605
1853	return unless $self->contr->active;	2606	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2607
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1858	}
1859		2610
1860	cf::player->attach (	2611	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2612	$self->activate_recursive;
1862	my ($pl) = @_;	2613	}
1863		2614
1864	# abort map switching before logout	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2616
1874	# try to abort aborted map switching on player login :)	2617	Moves the player to the given map-path and coordinates by first freezing
1875	# should happen only on crashes	2618	her, loading and preparing them map, calling the provided $check callback
1876	if ($pl->ob->{_link_pos}) {	2619	that has to return the map if sucecssful, and then unfreezes the player on
1877	$pl->ob->enter_link;	2620	the new (success) or old (failed) map position. In either case, $done will
1878	(async {	2621	be called at the end of this process.
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2622
1892	=item $player_object->goto ($path, $x, $y)	2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
1893		2625
1894	=cut	2626	=cut
		2627
		2628	our $GOTOGEN;
1895		2629
1896	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
		2632
		2633	# do generation counting so two concurrent goto's will be executed in-order
		2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2635
1899	$self->enter_link;	2636	$self->enter_link;
1900		2637
1901	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
1902	my $map = eval {	2660	my $map = eval {
1903	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
		2662
		2663	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2664	$map = $map->customise_for ($self);
		2665	$map = $check->($map) if $check && $map;
		2666	} else {
		2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	}
		2669
1905	$map	2670	$map
		2671	};
		2672
		2673	if ($@) {
		2674	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2675	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2676	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2677
		2678	if ($gen == $self->{_goto_generation}) {
		2679	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
		2681	}
		2682
		2683	$done->() if $done;
1910	})->prio (1);	2684	})->prio (1);
1911	}	2685	}
1912		2686
1913	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
1914		2688
…		…
1934	}	2708	}
1935		2709
1936	sub prepare_random_map {	2710	sub prepare_random_map {
1937	my ($exit) = @_;	2711	my ($exit) = @_;
1938		2712
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2715	# that depends on the exit object
1944		2716
1945	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2719	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
1952	}	2726	}
1953		2727
1954	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
1955		2729
1956	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
1959		2733
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2736	undef $fh;
1963	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
1964		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
1967	}	2745	}
1968	}	2746	}
1969		2747
1970	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
1972		2750
1973	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
1974		2752
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2753	$self->enter_link;
1987		2754
1988	(async {	2755	(async {
1989	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
1990	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
1991	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
1992		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
1993	1;	2779	1
1994	}) {	2780	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2785
2000	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2019		2805
2020	utf8::encode $text;	2806	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2808	}
2023		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
		2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2836
		2837	Send a drawinfo or msg packet to the client, formatting the msg for the
		2838	client if neccessary. C<$type> should be a string identifying the type of
		2839	the message, with C<log> being the default. If C<$color> is negative, suppress
		2840	the message unless the client supports the msg packet.
		2841
		2842	=cut
		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
		2958	sub cf::client::send_msg {
		2959	my ($self, $channel, $msg, $color, @extra) = @_;
		2960
		2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
		2982
		2983	return unless @extra || length $msg;
		2984
		2985	# default colour, mask it out
		2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2987	if $color & cf::NDI_DEF;
		2988
		2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
		2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2992	);
		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
2024	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2025		2998
2026	Sends an exti event to the client.	2999	Sends an ext event to the client.
2027		3000
2028	=cut	3001	=cut
2029		3002
2030	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2032		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
2035	}	3030	}
2036		3031
2037	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2038		3033
2039	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3035	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3036	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		3037
2043	Queries can fail, so check the return code. Or don't, as queries will become	3038	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	3039	become reliable at some point in the future.
2045		3040
2046	=cut	3041	=cut
2047		3042
2048	sub cf::client::query {	3043	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3052	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3054
2060	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
2062	}	3059	}
2063		3060
2064	cf::client->attach (	3061	cf::client->attach (
		3062	on_connect => sub {
		3063	my ($ns) = @_;
		3064
		3065	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3066	},
2065	on_reply => sub {	3067	on_reply => sub {
2066	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
2067		3069
2068	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
2069	# get handled first	3071	# get handled first
…		…
2081	} else {	3083	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3085	}
2084	}	3086	}
2085	},	3087	},
		3088	on_exticmd => sub {
		3089	my ($ns, $buf) = @_;
		3090
		3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3092
		3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
		3101	if (my $cb = $EXTICMD{$type}) {
		3102	@reply = $cb->($ns, @payload);
		3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
		3108	} else {
		3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3110	}
		3111
		3112	cf::override;
		3113	},
2086	);	3114	);
2087		3115
2088	=item $client->async (\&cb)	3116	=item $client->async (\&cb)
2089		3117
2090	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2133		3161
2134	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2135		3163
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2137		3169
2138	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2139		3171
2140	=pod	3172	=pod
2141		3173
2142	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2143		3175
2144	cf::object contr pay_amount pay_player map	3176	cf::object
		3177	contr pay_amount pay_player map x y force_find force_add destroy
		3178	insert remove name archname title slaying race decrease split
		3179	value
		3180
2145	cf::object::player player	3181	cf::object::player
2146	cf::player peaceful	3182	player
2147	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
2148		3189
2149	=cut	3190	=cut
2150		3191
2151	for (	3192	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2153	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2156	) {	3199	) {
2157	no strict 'refs';	3200	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2177		3220
2178	my $qcode = $code;	3221	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2181		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2182	local $_;	3228	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;
2184		3229
2185	my $eval =	3230	my $eval =
2186	"do {\n"	3231	"do {\n"
2187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2188	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2189	. $code	3234	. $code
2190	. "\n}"	3235	. "\n}"
2191	;	3236	;
2192		3237
		3238	if ($CFG{safe_eval}) {
2193	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2195	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2196		3247
2197	if ($@) {	3248	if ($@) {
2198	warn "$@";	3249	warn "$@";
2199	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2200	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2219	=cut	3270	=cut
2220		3271
2221	sub register_script_function {	3272	sub register_script_function {
2222	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2223		3274
2224	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2226	}	3277	}
2227		3278
2228	=back	3279	=back
2229		3280
2230	=cut	3281	=cut
2231
2232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303		3282
2304	#############################################################################	3283	#############################################################################
2305	# the server's init and main functions	3284	# the server's init and main functions
2306		3285
2307	sub load_facedata {	3286	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3287	my ($path) = @_;
		3288
		3289	# HACK to clear player env face cache, we need some signal framework
		3290	# for this (global event?)
		3291	%ext::player_env::MUSIC_FACE_CACHE = ();
		3292
		3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3294
2310	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2311		3296
2312	my $facedata;	3297	my $facedata;
2313	0 < aio_load $path, $facedata	3298	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3299	or die "$path: $!";
2315		3300
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3301	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3302
2320	$facedata->{version} == 2	3303	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3305
		3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3308	$facedata->{resource}{"res/exp_table"} = {
		3309	type => FT_RSRC,
		3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
		3312	};
		3313	cf::cede_to_tick;
		3314
2323	{	3315	{
2324	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2325		3317
2326	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3321	cf::face::set_visibility $idx, $info->{visibility};
		3322	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2331	Coro::cede;	3325
		3326	cf::cede_to_tick;
2332	}	3327	}
2333		3328
2334	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2336	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2337	or next;	3333	or next;
		3334
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3338	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3340	}
2343	Coro::cede;	3341
		3342	cf::cede_to_tick;
2344	}	3343	}
2345	}	3344	}
2346		3345
2347	{	3346	{
2348	my $anims = $facedata->{animinfo};	3347	my $anims = $facedata->{animinfo};
2349		3348
2350	while (my ($anim, $info) = each %$anims) {	3349	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3351	cf::cede_to_tick;
2353	}	3352	}
2354		3353
2355	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2356	}	3355	}
2357		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
2358	1	3376	1
2359	}	3377	}
2360		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
		3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
		3422	load_resource_file "$MAPDIR/regions"
		3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
		3429	}
		3430
		3431	sub reload_facedata {
		3432	load_facedata "$DATADIR/facedata"
		3433	or die "unable to load facedata\n";
		3434	}
		3435
		3436	sub reload_archetypes {
		3437	load_resource_file "$DATADIR/archetypes"
		3438	or die "unable to load archetypes\n";
		3439	}
		3440
		3441	sub reload_treasures {
		3442	load_resource_file "$DATADIR/treasures"
		3443	or die "unable to load treasurelists\n";
		3444	}
		3445
2361	sub reload_resources {	3446	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3447	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3448
2364	load_facedata	3449	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3450	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3451	reload_regions;
2370	}	3452	reload_treasures;
2371		3453
2372	sub cfg_load {	3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3461	or return;
2375		3462
2376	local $/;	3463	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2378		3465
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3467
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2387	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2388	};	3475	};
2389	warn $@ if $@;	3476	warn $@ if $@;
2390	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2391	}	3508	}
2392		3509
2393	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2394	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3528	(async {
2398	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2400	};	3532	};
2401		3533
2402	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
2403	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
2404	load_extensions;	3553	load_extensions;
2405		3554
2406	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
2408	}	3565	}
2409		3566
2410	#############################################################################	3567	#############################################################################
2411	# initialisation and cleanup	3568	# initialisation and cleanup
2412		3569
2413	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
2414	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
2423	},
2424	);	3576	};
		3577	}
		3578	}
		3579
		3580	sub write_runtime_sync {
		3581	my $t0 = EV::time;
		3582
		3583	# first touch the runtime file to show we are still running:
		3584	# the fsync below can take a very very long time.
		3585
		3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3587
		3588	my $guard = cf::lock_acquire "write_runtime";
		3589
		3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3591	or return;
		3592
		3593	my $value = $cf::RUNTIME + 90 + 10;
		3594	# 10 is the runtime save interval, for a monotonic clock
		3595	# 60 allows for the watchdog to kill the server.
		3596
		3597	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3598	and return;
		3599
		3600	# always fsync - this file is important
		3601	aio_fsync $fh
		3602	and return;
		3603
		3604	# touch it again to show we are up-to-date
		3605	aio_utime $fh, undef, undef;
		3606
		3607	close $fh
		3608	or return;
		3609
		3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3611	and return;
		3612
		3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3614
2425	}	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
2426	}	3666	}
2427		3667
2428	sub emergency_save() {	3668	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
2430		3670
2431	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
2432		3672
2433	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
2434	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3687	$pl->save;
2442	}	3688	}
2443	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
2444		3690
2445	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3694	$map->valid or next;
2449	$map->save;	3695	$map->save;
2450	}	3696	}
2451	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
2452		3698
2453	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
2456	};	3706	};
2457		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
2458	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
2459	}	3714	}
2460		3715
2461	sub post_cleanup {	3716	sub post_cleanup {
2462	my ($make_core) = @_;	3717	my ($make_core) = @_;
2463		3718
2464	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3720	if $make_core;
2466	}
2467		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
		3750	}
		3751
2468	sub reload() {	3752	sub do_reload_perl() {
2469	# can/must only be called in main	3753	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
2472	return;	3756	return;
2473	}	3757	}
2474		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
2475	warn "reloading...";	3764	warn "reloading...";
2476		3765
2477	warn "entering sync_job";	3766	warn "entering sync_job";
2478		3767
2479	cf::sync_job {	3768	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3770	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
2483		3772
2484	warn "syncing database to disk";	3773	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3775
2487	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
2488		3777
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3781	}
2525		3782
2526	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
2528	}	3785	%EXT_CORO = ();
2529		3786
2530	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3796	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3797
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
2541	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
2542	}	3807	}
2543		3808
2544	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
2545	}	3824	}
2546		3825
2547	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3829
2551	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
		3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		3833
2554	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3835	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
2557		3837
2558	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
2559		3839
2560	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
2561	require cf;	3841	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
2563		3843
2564	warn "loading config and database again";	3844	warn "loading config and database again";
2565	cf::cfg_load;	3845	cf::reload_config;
2566		3846
2567	warn "loading extensions";	3847	warn "loading extensions";
2568	cf::load_extensions;	3848	cf::load_extensions;
2569		3849
		3850	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
2576		3858
2577	warn "loading reloadable resources";	3859	warn "running post_init jobs";
2578	reload_resources;	3860	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3861
2580	warn "leaving sync_job";	3862	warn "leaving sync_job";
2581		3863
2582	1	3864	1
2583	} or do {	3865	} or do {
2584	warn $@;	3866	warn $@;
2585	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3868	};
		3869
		3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
		3876	};
		3877
		3878	our $RELOAD_WATCHER; # used only during reload
		3879
		3880	sub reload_perl() {
		3881	# doing reload synchronously and two reloads happen back-to-back,
		3882	# coro crashes during coro_state_free->destroy here.
		3883
		3884	$RELOAD_WATCHER ||= cf::async {
		3885	Coro::AIO::aio_wait cache_extensions;
		3886
		3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3888	do_reload_perl;
		3889	undef $RELOAD_WATCHER;
		3890	};
2587	};	3891	};
2588		3892	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3893
2594	register_command "reload" => sub {	3894	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
2596		3896
2597	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
2599		3899	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3900	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3901	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3902	};
2612	}	3903	}
2613	};	3904	};
2614		3905
2615	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
2616		3907
2617	my $bug_warning = 0;	3908	my $bug_warning = 0;
2618		3909
2619	$TICK_WATCHER = Event->timer (	3910	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3911	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3912
2622	prio => 0,	3913	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3915
2625	cb => sub {	3916	my $signal = new Coro::Signal;
		3917	push @WAIT_FOR_TICK, $signal;
		3918	$signal->wait;
		3919	}
		3920
		3921	sub wait_for_tick_begin {
		3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3923
		3924	my $signal = new Coro::Signal;
		3925	push @WAIT_FOR_TICK_BEGIN, $signal;
		3926	$signal->wait;
		3927	}
		3928
		3929	sub tick {
2626	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
2629	return;	3933	return;
2630	}	3934	}
2631		3935
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3937
		3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
		3939
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3942	Coro::async_pool {
		3943	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3944	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3945	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3946	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3947	}
2658	);	3948
		3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3950	$sig->send;
		3951	}
		3952	while (my $sig = shift @WAIT_FOR_TICK) {
		3953	$sig->send;
		3954	}
		3955
		3956	$LOAD = ($NOW - $TICK_START) / $TICK;
		3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3958
		3959	if (0) {
		3960	if ($NEXT_TICK) {
		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
		3965	}
		3966	}
2659		3967
2660	{	3968	{
2661	BDB::max_poll_time $TICK * 0.1;	3969	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3970
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
2671		3972	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3973	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3974
2687	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3982
2690	cf::sync_job {	3983	cf::sync_job {
2691	eval {	3984	eval {
2692	BDB::db_env_open	3985	BDB::db_env_open
2693	$DB_ENV,	3986	$DB_ENV,
2694	$BDB_ENV_DIR,	3987	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3990	0666;
2698		3991
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3993	};
2704		3994
2705	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3996	};
2707	}	3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
2708	}	4008	}
2709		4009
2710	{	4010	{
		4011	# configure IO::AIO
		4012
2711	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	4016	}
		4017
		4018	my $_log_backtrace;
		4019
		4020	sub _log_backtrace {
		4021	my ($msg, @addr) = @_;
		4022
		4023	$msg =~ s/\n//;
		4024
		4025	# limit the # of concurrent backtraces
		4026	if ($_log_backtrace < 2) {
		4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
		4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
		4032	my @bt = fork_call {
		4033	@addr = map { sprintf "%x", $_ } @addr;
		4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4036	or die "addr2line: $!";
		4037
		4038	my @funcs;
		4039	my @res = <$fh>;
		4040	chomp for @res;
		4041	while (@res) {
		4042	my ($func, $line) = splice @res, 0, 2, ();
		4043	push @funcs, "[$func] $line";
		4044	}
		4045
		4046	@funcs
		4047	};
		4048
		4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4051	LOG llevInfo, "[ABT] $_\n" for @bt;
		4052	--$_log_backtrace;
		4053	};
		4054	} else {
		4055	LOG llevInfo, "[ABT] $msg\n";
		4056	LOG llevInfo, "[ABT] [suppressed]\n";
		4057	}
		4058	}
		4059
		4060	# load additional modules
		4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
2724		4063
2725	END { cf::emergency_save }	4064	END { cf::emergency_save }
2726		4065
2727	1	4066	1
2728		4067

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