ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 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 Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		180
116	#############################################################################	181	#############################################################################
117		182
118	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
119		184
…		…
155		220
156	The raw value load value from the last tick.	221	The raw value load value from the last tick.
157		222
158	=item %cf::CFG	223	=item %cf::CFG
159		224
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	226	from wherever your confdir points to.
162		227
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		229
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
169	=back	246	=back
170		247
171	=cut	248	=cut
172		249
173	BEGIN {	250	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	251	my $msg = join "", @_;
176		252
177	$msg .= "\n"	253	$msg .= "\n"
178	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
179		255
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		257
182	utf8::encode $msg;
183	LOG llevError, $msg;	258	LOG llevError, $msg;
184	};	259	};
185	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
186		274
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		282
194	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	284	# within the Safe compartment.
196	for my $pkg (qw(	285	for my $pkg (qw(
197	cf::global cf::attachable	286	cf::global cf::attachable
198	cf::object cf::object::player	287	cf::object cf::object::player
199	cf::client cf::player	288	cf::client cf::player
200	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
201	cf::map cf::party cf::region	291	cf::party cf::region
202	)) {	292	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	294	}
206		295
207	$Event::DIED = sub {	296	$EV::DIED = sub {
208	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
209	};	298	};
		299
		300	#############################################################################
210		301
211	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
212		303
213	=over 4	304	=over 4
214		305
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	325	$d
235	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
236	}	327	}
237		328
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
241		330
242	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
243		332
244	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
245		334
246	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
247		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
248	=item cf::lock_wait $string	358	=item cf::lock_wait $string
249		359
250	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
251		361
252	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
253		363
254	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
257	returned.	367	returned.
258		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
259	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
261		374
262	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
263		376
264	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
265		378
266	=cut	379	=cut
267		380
268	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
269		382
270	sub lock_wait($) {	383	sub lock_wait($) {
271	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	385	}
279		386
280	sub lock_acquire($) {	387	sub lock_acquire($) {
281	my ($key) = @_;	388	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	389	}
293		390
294	sub lock_active($) {	391	sub lock_active($) {
295	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	393	}
299		394
300	sub freeze_mainloop {	395	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
302		397
303	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
305	};	465	}
306	$TICK_WATCHER->stop;	466	};
307	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
308	}	481	}
309		482
310	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
311		484
312	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		490
318	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
319		492
320	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
321		494
322	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
325		499
326	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
329	fast or be very important.	503	fast or be very important.
…		…
332		506
333	sub sync_job(&) {	507	sub sync_job(&) {
334	my ($job) = @_;	508	my ($job) = @_;
335		509
336	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	511	my $time = AE::time;
338		512
339	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
341		515
342	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	517
344	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
345		519
346	my $busy = 1;	520	my $busy = 1;
347	my @res;	521	my @res;
348		522
349	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	525	@res = eval { $job->() };
351	warn $@ if $@;	526	warn $@ if $@;
352	undef $busy;	527	undef $busy;
353	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
354		529
355	while ($busy) {	530	while ($busy) {
356	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
357	}	535	}
		536	}
358		537
359	$time = Event::time - $time;	538	my $time = AE::time - $time;
360		539
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
365		541
366	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
367	} else {	543	} else {
368	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
369		545
…		…
389	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
390		566
391	$coro	567	$coro
392	}	568	}
393		569
394	sub write_runtime {	570	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		571
397	# first touch the runtime file to show we are still running:	572	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
399		576
400	IO::AIO::aio_utime $runtime, undef, undef;	577	=cut
401		578
402	my $guard = cf::lock_acquire "write_runtime";	579	sub fork_call(&@) {
		580	my ($cb, @args) = @_;
403		581
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	582	# we seemingly have to make a local copy of the whole thing,
405	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
406		585
407	my $value = $cf::RUNTIME + 90 + 10;	586	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	587	reset_signals;
409	# 60 allows for the watchdog to kill the server.	588	&$cb
		589	}, @args;
410		590
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	591	wantarray ? @res : $res[-1]
412	and return;	592	}
413		593
414	# always fsync - this file is important	594	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
430	}	757	}
431		758
432	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
433		760
434	Log a datalog packet of the given type with the given key-value pairs.	761	Log a datalog packet of the given type with the given key-value pairs.
…		…
446		773
447	#############################################################################	774	#############################################################################
448		775
449	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
450		777
451	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
454		781
455	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	784	Deliantra).
458		785
459	=over 4	786	=over 4
460		787
461	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
462		789
…		…
506	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
507		834
508	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
510		837
511	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
513		840
514	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
515		842
516	=over 4	843	=over 4
…		…
664	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
665	}	992	}
666		993
667	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
668	} else {	995	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	997	}
671		998
672	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
673	}	1000	}
674		1001
…		…
714	";	1041	";
715	die if $@;	1042	die if $@;
716	}	1043	}
717		1044
718	our $override;	1045	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1047
721	sub override {	1048	sub override {
722	$override = 1;	1049	$override = 1;
723	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
724	}	1051	}
725		1052
726	sub do_invoke {	1053	sub do_invoke {
727	my $event = shift;	1054	my $event = shift;
728	my $callbacks = shift;	1055	my $callbacks = shift;
729		1056
730	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
731		1058
732	local $override;	1059	local $override;
733		1060
734	for (@$callbacks) {	1061	for (@$callbacks) {
735	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
744	}	1071	}
745		1072
746	0	1073	0
747	}	1074	}
748		1075
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1077
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1079
753	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
754		1081
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1085
759	=back	1086	=back
760		1087
761	=cut	1088	=cut
762		1089
763	#############################################################################	1090	#############################################################################
764	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
765		1134
766	sub reattach {	1135	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1137	my ($obj) = @_;
769		1138
		1139	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1141
772	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
773		1143
774	@$registry = ();	1144	@$registry = ();
775		1145
…		…
790	cf::attachable->attach (	1160	cf::attachable->attach (
791	prio => -1000000,	1161	prio => -1000000,
792	on_instantiate => sub {	1162	on_instantiate => sub {
793	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
794		1164
795	$data = from_json $data;	1165	$data = decode_json $data;
796		1166
797	for (@$data) {	1167	for (@$data) {
798	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
799		1169
800	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1186	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
818		1188
819	sync_job {	1189	sync_job {
820	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
823		1194
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
828	close $fh;	1202	aio_close $fh;
829		1203
830	if (@$objs) {	1204	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
836	close $fh;	1213	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
838	}	1215	}
839	} else {	1216	} else {
840	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
841	}	1218	}
842		1219
843	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1224	} else {
845	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
846	}	1226	}
847	} else {	1227	} else {
848	aio_unlink $filename;	1228	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
850	}	1230	}
851	}	1231	};
852	}	1232	}
853		1233
854	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
856		1236
…		…
868	or return;	1248	or return;
869		1249
870	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
872	or return;	1252	or return;
		1253
873	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
874	}	1256	}
875		1257
		1258	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
878	return ($data, $av);	1262	($data, $av)
879	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
880		1270
881	#############################################################################	1271	#############################################################################
882	# command handling &c	1272	# command handling &c
883		1273
884	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1288	}
899		1289
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1291
902	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
903		1297
904	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
905	called.	1299	called.
906		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
907	=cut	1312	=cut
908		1313
909	sub register_extcmd {	1314	sub register_extcmd {
910	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
911		1316
912	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
913	}	1318	}
914		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
915	cf::player->attach (	1328	cf::player->attach (
916	on_command => sub {	1329	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
918		1331
919	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
920	or return;	1333	or return;
921		1334
…		…
926	cf::override;	1339	cf::override;
927	},	1340	},
928	on_extcmd => sub {	1341	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
930		1343
931	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1345
933	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
939	} else {	1361	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1363	}
942		1364
943	cf::override;	1365	cf::override;
944	},	1366	},
945	);	1367	);
946		1368
		1369	# "readahead" all extensions
947	sub load_extension {	1370	sub cache_extensions {
948	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
949		1372
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1376	}
975	die $@;
976	}	1377	};
977		1378
978	push @EXTS, $pkg;	1379	$grp
979	}	1380	}
980		1381
981	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
982	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1387	next unless -r $path;
984	eval {	1388
985	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441
		1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1443	delete $todo{$k};
		1444	} else {
		1445	$done{$k} = delete $todo{$k};
		1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
		1451	}
986	1	1452	}
987	} or warn "$ext not loaded: $@";	1453
		1454	unless ($progress) {
		1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
		1462	}
988	}	1463	};
989	}	1464	}
990		1465
991	#############################################################################	1466	#############################################################################
992		1467
		1468	=back
		1469
993	=head2 CORE EXTENSIONS	1470	=head2 CORE EXTENSIONS
994		1471
995	Functions and methods that extend core crossfire objects.	1472	Functions and methods that extend core deliantra objects.
996		1473
997	=cut	1474	=cut
998		1475
999	package cf::player;	1476	package cf::player;
1000		1477
1001	use Coro::AIO;	1478	use Coro::AIO;
1002		1479
1003	=head3 cf::player	1480	=head3 cf::player
1004		1481
1005	=over 4	1482	=over 4
		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
1006		1497
1007	=item cf::player::find $login	1498	=item cf::player::find $login
1008		1499
1009	Returns the given player object, loading it if necessary (might block).	1500	Returns the given player object, loading it if necessary (might block).
1010		1501
…		…
1029		1520
1030	sub exists($) {	1521	sub exists($) {
1031	my ($login) = @_;	1522	my ($login) = @_;
1032		1523
1033	$cf::PLAYER{$login}	1524	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1525	or !aio_stat path $login
1035	}	1526	}
1036		1527
1037	sub find($) {	1528	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1529	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1530	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1540	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1541
1051	my $pl = load_pl path $login	1542	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1550	$cf::PLAYER{$login} = $pl
1054	}	1551	}
1055	}	1552	}
1056	}	1553	}
		1554
		1555	cf::player->attach (
		1556	on_load => sub {
		1557	my ($pl, $path) = @_;
		1558
		1559	# restore slots saved in save, below
		1560	my $slots = delete $pl->{_slots};
		1561
		1562	$pl->ob->current_weapon ($slots->[0]);
		1563	$pl->combat_ob ($slots->[1]);
		1564	$pl->ranged_ob ($slots->[2]);
		1565	},
		1566	);
1057		1567
1058	sub save($) {	1568	sub save($) {
1059	my ($pl) = @_;	1569	my ($pl) = @_;
1060		1570
1061	return if $pl->{deny_save};	1571	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1576	return if $pl->{deny_save};
1067		1577
1068	aio_mkdir playerdir $pl, 0770;	1578	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1579	$pl->{last_save} = $cf::RUNTIME;
1070		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
1071	$pl->save_pl ($path);	1586	$pl->save_pl ($path);
1072	Coro::cede;	1587	cf::cede_to_tick;
1073	}	1588	}
1074		1589
1075	sub new($) {	1590	sub new($) {
1076	my ($login) = @_;	1591	my ($login) = @_;
1077		1592
…		…
1083	$cf::PLAYER{$login} = $self;	1598	$cf::PLAYER{$login} = $self;
1084		1599
1085	$self	1600	$self
1086	}	1601	}
1087		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
1088	=item $pl->quit_character	1613	=item $pl->quit_character
1089		1614
1090	Nukes the player without looking back. If logged in, the connection will	1615	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1616	be destroyed. May block for a long time.
1092		1617
…		…
1096	my ($pl) = @_;	1621	my ($pl) = @_;
1097		1622
1098	my $name = $pl->ob->name;	1623	my $name = $pl->ob->name;
1099		1624
1100	$pl->{deny_save} = 1;	1625	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1627
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1633	$pl->ns->destroy if $pl->ns;
1107		1634
1108	my $path = playerdir $pl;	1635	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1636	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1672	or return [];
1146		1673
1147	my @logins;	1674	my @logins;
1148		1675
1149	for my $login (@$dirs) {	1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1683	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
1153		1686
1154	utf8::decode $login;	1687	utf8::decode $login;
1155	push @logins, $login;	1688	push @logins, $login;
1156	}	1689	}
1157		1690
…		…
1184	}	1717	}
1185		1718
1186	\@paths	1719	\@paths
1187	}	1720	}
1188		1721
		1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1723
		1724	Expand deliantra pod fragments into protocol xml.
		1725
1189	=item $player->ext_reply ($msgid, %msg)	1726	=item $player->ext_reply ($msgid, @msg)
1190		1727
1191	Sends an ext reply to the player.	1728	Sends an ext reply to the player.
1192		1729
1193	=cut	1730	=cut
1194		1731
1195	sub ext_reply($$%) {	1732	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1733	my ($self, $id, @msg) = @_;
1197		1734
1198	$msg{msgid} = $id;	1735	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1736	}
1202		1737
1203	=item $player->ext_event ($type, %msg)	1738	=item $player->ext_msg ($type, @msg)
1204		1739
1205	Sends an ext event to the client.	1740	Sends an ext event to the client.
1206		1741
1207	=cut	1742	=cut
1208		1743
1209	sub ext_event($$%) {	1744	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1745	my ($self, $type, @msg) = @_;
1211		1746
1212	$self->ns->ext_event ($type, %msg);	1747	$self->ns->ext_msg ($type, @msg);
1213	}	1748	}
1214		1749
1215	=head3 cf::region	1750	=head3 cf::region
1216		1751
1217	=over 4	1752	=over 4
…		…
1220		1755
1221	package cf::region;	1756	package cf::region;
1222		1757
1223	=item cf::region::find_by_path $path	1758	=item cf::region::find_by_path $path
1224		1759
1225	Tries to decuce the probable region for a map knowing only its path.	1760	Tries to decuce the likely region for a map knowing only its path.
1226		1761
1227	=cut	1762	=cut
1228		1763
1229	sub find_by_path($) {	1764	sub find_by_path($) {
1230	my ($path) = @_;	1765	my ($path) = @_;
1231		1766
1232	my ($match, $specificity);	1767	my ($match, $specificity);
1233		1768
1234	for my $region (list) {	1769	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1770	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1771	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1772	if $region->specificity > $specificity;
1238	}	1773	}
1239	}	1774	}
1240		1775
…		…
1261	our $MAX_RESET = 3600;	1796	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1797	our $DEFAULT_RESET = 3000;
1263		1798
1264	sub generate_random_map {	1799	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1803
1266	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1805	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1304	my ($self, $merge) = @_;	1842	my ($self, $merge) = @_;
1305		1843
1306	# we have to keep some variables in memory intact	1844	# we have to keep some variables in memory intact
1307	local $self->{path};	1845	local $self->{path};
1308	local $self->{load_path};	1846	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1847
1312	$self->SUPER::thawer_merge ($merge);	1848	$self->SUPER::thawer_merge ($merge);
1313	}	1849	}
1314		1850
1315	sub normalise {	1851	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1898	$self->init; # pass $1 etc.
1363	return $self;	1899	return $self;
1364	}	1900	}
1365	}	1901	}
1366		1902
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1903	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1904	()
1369	}	1905	}
1370		1906
1371	sub init {	1907	sub init {
1372	my ($self) = @_;	1908	my ($self) = @_;
…		…
1394		1930
1395	# the temporary/swap location	1931	# the temporary/swap location
1396	sub save_path {	1932	sub save_path {
1397	my ($self) = @_;	1933	my ($self) = @_;
1398		1934
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1936	"$TMPDIR/$path.map"
1401	}	1937	}
1402		1938
1403	# the unique path, undef == no special unique path	1939	# the unique path, undef == no special unique path
1404	sub uniq_path {	1940	sub uniq_path {
1405	my ($self) = @_;	1941	my ($self) = @_;
1406		1942
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1944	"$UNIQUEDIR/$path"
1409	}	1945	}
1410		1946
1411	# and all this just because we cannot iterate over	1947	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1948	my ($self) = @_;
1415		1949
1416	$_->change_map_light ($change)	1950	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1951
		1952	$self->do_decay_objects;
1418	}	1953	}
1419		1954
1420	sub unlink_save {	1955	sub unlink_save {
1421	my ($self) = @_;	1956	my ($self) = @_;
1422		1957
…		…
1427		1962
1428	sub load_header_from($) {	1963	sub load_header_from($) {
1429	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1430		1965
1431	utf8::encode $path;	1966	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1437		1975
1438	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1439		1977
1440	1	1978	1
1441	}	1979	}
…		…
1480	$self->load_header_orig	2018	$self->load_header_orig
1481	or return;	2019	or return;
1482	$self->prepare_orig;	2020	$self->prepare_orig;
1483	}	2021	}
1484		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
1485	$self->default_region (cf::region::find_by_path $self->{path})	2026	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2027	unless $self->default_region;
1487		2028
1488	1	2029	1
1489	}	2030	}
…		…
1492	sub find {	2033	sub find {
1493	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1494		2035
1495	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1496		2037
		2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2040
1499	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1502	or return;	2043	or return;
1503		2044
1504	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1505		2046
1506	$map->load_header	2047	$map->load_header
1507	or return;	2048	or return;
1508		2049
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1512	$map->reset;	2055	$map->reset;
1513	undef $guard;
1514	return find $path;	2056	return find $path;
1515	}	2057	}
1516		2058
1517	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1518	}	2060	}
1519	}	2061	}
1520		2062
1521	sub pre_load { }	2063	sub pre_load { }
1522	sub post_load { }	2064	#sub post_load { } # XS
1523		2065
1524	sub load {	2066	sub load {
1525	my ($self) = @_;	2067	my ($self) = @_;
1526		2068
1527	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1528		2070
1529	my $path = $self->{path};	2071	my $path = $self->{path};
1530		2072
1531	{	2073	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1533		2075
		2076	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2078
1536	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1537		2080
1538	$self->alloc;	2081	$self->alloc;
1539		2082
1540	$self->pre_load;	2083	$self->pre_load;
1541	Coro::cede;	2084	cf::cede_to_tick;
1542		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2088	$self->_load_objects ($f)
1544	or return;	2089	or return;
1545		2090
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1547	if delete $self->{load_original};	2092	if delete $self->{load_original};
1548		2093
1549	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2095	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2098	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1554	}	2102	}
1555	}	2103	}
1556		2104
1557	Coro::cede;	2105	$f->resolve_delayed_derefs;
		2106
		2107	cf::cede_to_tick;
1558	# now do the right thing for maps	2108	# now do the right thing for maps
1559	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2111	unless $self->difficulty;
1562	Coro::cede;	2112	cf::cede_to_tick;
1563		2113
1564	unless ($self->{deny_activate}) {	2114	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2115	$self->decay_objects;
1566	$self->fix_auto_apply;	2116	$self->fix_auto_apply;
1567	$self->update_buttons;	2117	$self->update_buttons;
1568	Coro::cede;	2118	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2119	$self->activate;
1572	}	2120	}
1573		2121
		2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
		2124
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2125	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2126	}
1576		2127
1577	$self->post_load;	2128	$self->post_load;
1578	}	2129	}
1579		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2134	sub customise_for {
1581	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1582		2136
1583	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2138	if $self->per_player;
1585		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1586	$self	2143	$self
1587	}	2144	}
1588		2145
1589	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2147	sub load_neighbours {
1591	my ($map) = @_;	2148	my ($map) = @_;
1592		2149
1593	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1594		2151
1595	for (0 .. 3) {	2152	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1597	or next;	2154	or next;
1598	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1599	or next;	2156	or next;
1600	$neigh->load;	2157	$neigh->load;
1601		2158
		2159	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2162	}
1605		2163
1606	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1608	or next;	2167	or next;
1609	$neigh->load;	2168	$neigh->load;
1610	}	2169	}
1611	}	2170	}
1612		2171
…		…
1617	}	2176	}
1618		2177
1619	sub do_load_sync {	2178	sub do_load_sync {
1620	my ($map) = @_;	2179	my ($map) = @_;
1621		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1622	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1623	}	2185	}
1624		2186
1625	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1627		2189
1628	sub find_async {	2190	sub find_async {
1629	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1630		2192
1631	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1632		2194
1633	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2197	}
1636		2198
1637	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1638	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1639	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2206	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2207	$map->load if $v;
		2208	}
1644		2209
1645	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1646	}	2211	}
1647	}	2212	}
1648	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1649	};	2214	};
1650	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
1651		2216
1652	()	2217	()
1653	}	2218	}
1654		2219
		2220	# common code, used by both ->save and ->swapout
1655	sub save {	2221	sub _save {
1656	my ($self) = @_;	2222	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2223
1660	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1661		2225
1662	return unless $self->dirty;	2226	return unless $self->dirty;
1663		2227
…		…
1669	return if $self->{deny_save};	2233	return if $self->{deny_save};
1670		2234
1671	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1672		2236
1673	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1675	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1676		2243
1677	if ($uniq) {	2244	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2247	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2249	}
1683	}	2250	}
1684		2251
		2252	sub save {
		2253	my ($self) = @_;
		2254
		2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2256
		2257	$self->_save;
		2258	}
		2259
1685	sub swap_out {	2260	sub swap_out {
1686	my ($self) = @_;	2261	my ($self) = @_;
1687		2262
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1693	return if $self->players;	2267	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
		2275	$self->_save;
		2276
		2277	# then free the map
1697	$self->clear;	2278	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2279	}
1700		2280
1701	sub reset_at {	2281	sub reset_at {
1702	my ($self) = @_;	2282	my ($self) = @_;
1703		2283
1704	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1707		2286
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2289
…		…
1721	my ($self) = @_;	2300	my ($self) = @_;
1722		2301
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2303
1725	return if $self->players;	2304	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2305
1728	warn "resetting map ", $self->path;#d#	2306	warn "resetting map ", $self->path, "\n";
1729		2307
1730	$self->in_memory (cf::MAP_SWAPPED);	2308	$self->in_memory (cf::MAP_SWAPPED);
1731		2309
1732	# need to save uniques path	2310	# need to save uniques path
1733	unless ($self->{deny_save}) {	2311	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2315	if $uniq;
1738	}	2316	}
1739		2317
1740	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1741		2319
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2322	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2323
1746	$self->unlink_save;	2324	$self->unlink_save;
1747	$self->destroy;	2325	$self->destroy;
1748	}	2326	}
1749		2327
1750	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1751		2329
1752	sub nuke {	2330	sub nuke {
1753	my ($self) = @_;	2331	my ($self) = @_;
1754		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
1755	delete $cf::MAP{$self->path};	2336	delete $cf::MAP{$self->path};
1756		2337
1757	$self->unlink_save;	2338	$self->unlink_save;
1758		2339
1759	bless $self, "cf::map";	2340	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2341	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2345
1765	$cf::MAP{$self->path} = $self;	2346	$cf::MAP{$self->path} = $self;
		2347	}
1766		2348
1767	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
		2350	}
		2351
		2352	=item $maps = cf::map::tmp_maps
		2353
		2354	Returns an arrayref with all map paths of currently instantiated and saved
		2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
		2360	[
		2361	map {
		2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
		2368	}
		2369
		2370	=item $maps = cf::map::random_maps
		2371
		2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
		2374
		2375	=cut
		2376
		2377	sub random_maps() {
		2378	[
		2379	map {
		2380	utf8::decode $_;
		2381	/\.map$/
		2382	? normalise "?random/$_"
		2383	: ()
		2384	} @{ aio_readdir $RANDOMDIR or [] }
		2385	]
1768	}	2386	}
1769		2387
1770	=item cf::map::unique_maps	2388	=item cf::map::unique_maps
1771		2389
1772	Returns an arrayref of paths of all shared maps that have	2390	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2391	instantiated unique items. May block.
1774		2392
1775	=cut	2393	=cut
1776		2394
1777	sub unique_maps() {	2395	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2396	[
1779	or return;	2397	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2398	utf8::decode $_;
1785	next if /\.pst$/;	2399	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2401	? ()
1788	push @paths, cf::map::normalise $_;	2402	: normalise $_
		2403	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2404	]
1790
1791	\@paths
1792	}	2405	}
1793		2406
1794	package cf;	2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
		2428	s/\.map$// or next;
		2429	utf8::decode $_;
		2430	push @maps, "$dir/$_";
		2431	}
		2432
		2433	push @dirs, map "$dir/$_", @$dirs;
		2434	}
		2435
		2436	\@maps
		2437	}
1795		2438
1796	=back	2439	=back
1797		2440
1798	=head3 cf::object	2441	=head3 cf::object
1799		2442
…		…
1803		2446
1804	=over 4	2447	=over 4
1805		2448
1806	=item $ob->inv_recursive	2449	=item $ob->inv_recursive
1807		2450
1808	Returns the inventory of the object _and_ their inventories, recursively.	2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
1809		2453
1810	=cut	2454	=cut
1811		2455
1812	sub inv_recursive_;	2456	sub inv_recursive_;
1813	sub inv_recursive_ {	2457	sub inv_recursive_ {
…		…
1816		2460
1817	sub inv_recursive {	2461	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2462	inv_recursive_ inv $_[0]
1819	}	2463	}
1820		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
		2491	}
		2492
1821	package cf;	2493	package cf;
1822		2494
1823	=back	2495	=back
1824		2496
1825	=head3 cf::object::player	2497	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2504	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1834		2506
1835	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
1836		2522
1837	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2524	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1842		2528
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2530
1845	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1847	} else {	2534	} else {
		2535	my $pl = $self->contr;
		2536
		2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2538	my $dialog = $pl->{npc_dialog};
		2539	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2540
		2541	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1850	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
1851	}	2556	}
1852		2557
1853	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1854		2559
1855	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1868		2573
1869	=item $player_object->enter_link	2574	=item $player_object->enter_link
1870		2575
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2577
1873	The player should be reasonably safe there for short amounts of time. You	2578	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
1875		2582
1876	Will never block.	2583	Will never block.
1877		2584
1878	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1879		2586
…		…
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2612
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2614	if $self->map && $self->map->{path} ne "{link}";
1908		2615
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2617	}
1911		2618
1912	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
1914		2621
…		…
1931	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1933		2640
1934	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1937		2644
1938	$map->load;	2645	$map->load;
1939	$map->load_diag;	2646	$map->load_neighbours;
1940		2647
1941	return unless $self->contr->active;	2648	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2649
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2651	$self->enter_map ($map, $x, $y);
1946	}
1947		2652
		2653	# only activate afterwards, to support waiting in hooks
		2654	$self->activate_recursive;
		2655	}
		2656
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2658
1950	Moves the player to the given map-path and coordinates by first freezing	2659	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2660	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2661	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2662	the new (success) or old (failed) map position. In either case, $done will
		2663	be called at the end of this process.
		2664
		2665	Note that $check will be called with a potentially non-loaded map, so if
		2666	it needs a loaded map it has to call C<< ->load >>.
1954		2667
1955	=cut	2668	=cut
1956		2669
1957	our $GOTOGEN;	2670	our $GOTOGEN;
1958		2671
1959	sub cf::object::player::goto {	2672	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2673	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2674
1962	# do generation counting so two concurrent goto's will be executed in-order	2675	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2677
1965	$self->enter_link;	2678	$self->enter_link;
1966		2679
1967	(async {	2680	(async {
		2681	$Coro::current->{desc} = "player::goto $path $x $y";
		2682
		2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
1968	my $map = eval {	2702	my $map = eval {
1969	my $map = cf::map::find $path;	2703	my $map = defined $path ? cf::map::find $path : undef;
1970		2704
1971	if ($map) {	2705	if ($map) {
1972	$map = $map->customise_for ($self);	2706	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2707	$map = $check->($map) if $check && $map;
1974	} else {	2708	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2710	}
1977		2711
1978	$map	2712	$map
1979	};	2713	};
1980		2714
…		…
1985		2719
1986	if ($gen == $self->{_goto_generation}) {	2720	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2721	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
1989	}	2723	}
		2724
		2725	$done->() if $done;
1990	})->prio (1);	2726	})->prio (1);
1991	}	2727	}
1992		2728
1993	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1994		2730
…		…
2014	}	2750	}
2015		2751
2016	sub prepare_random_map {	2752	sub prepare_random_map {
2017	my ($exit) = @_;	2753	my ($exit) = @_;
2018		2754
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2755	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2756	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2757	# that depends on the exit object
2024		2758
2025	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2761	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2762	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
2032	}	2768	}
2033		2769
2034	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
2035		2771
2036	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2774	my $meta = "$RANDOMDIR/$md5.meta";
2039		2775
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2778	undef $fh;
2043	aio_rename "$meta~", $meta;	2779	aio_rename "$meta~", $meta;
2044		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
2047	}	2787	}
2048	}	2788	}
2049		2789
2050	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
2052		2792
2053	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
2054		2794
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2795	$self->enter_link;
2067		2796
2068	(async {	2797	(async {
2069	$self->deactivate_recursive; # just to be sure	2798	$Coro::current->{desc} = "enter_exit";
		2799
2070	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
		2807	prepare_random_map $exit
		2808	if $exit->slaying eq "/!";
		2809	}
		2810
		2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
		2814
2071	$self->goto ($slaying, $hp, $sp);	2815	$self->goto ($map, $x, $y);
2072		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
2073	1;	2821	1
2074	}) {	2822	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2825	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2827
2080	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
…		…
2099		2847
2100	utf8::encode $text;	2848	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2850	}
2103		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2878
		2879	Send a drawinfo or msg packet to the client, formatting the msg for the
		2880	client if neccessary. C<$type> should be a string identifying the type of
		2881	the message, with C<log> being the default. If C<$color> is negative, suppress
		2882	the message unless the client supports the msg packet.
		2883
		2884	=cut
		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
		3000	sub cf::client::send_msg {
		3001	my ($self, $channel, $msg, $color, @extra) = @_;
		3002
		3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
		3024
		3025	return unless @extra || length $msg;
		3026
		3027	# default colour, mask it out
		3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3029	if $color & cf::NDI_DEF;
		3030
		3031	my $pkt = "msg "
		3032	. $self->{json_coder}->encode (
		3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3034	);
		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
2104	=item $client->ext_event ($type, %msg)	3039	=item $client->ext_msg ($type, @msg)
2105		3040
2106	Sends an exti event to the client.	3041	Sends an ext event to the client.
2107		3042
2108	=cut	3043	=cut
2109		3044
2110	sub cf::client::ext_event($$%) {	3045	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3046	my ($self, $type, @msg) = @_;
2112		3047
		3048	if ($self->extcmd == 2) {
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3051	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
2115	}	3072	}
2116		3073
2117	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
2118		3075
2119	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3077	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3078	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3079
2123	Queries can fail, so check the return code. Or don't, as queries will become	3080	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3081	become reliable at some point in the future.
2125		3082
2126	=cut	3083	=cut
2127		3084
2128	sub cf::client::query {	3085	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3094	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3096
2140	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
2142	}	3101	}
2143		3102
2144	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
2145	on_reply => sub {	3109	on_reply => sub {
2146	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
2147		3111
2148	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
2149	# get handled first	3113	# get handled first
…		…
2161	} else {	3125	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3127	}
2164	}	3128	}
2165	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($ns, $buf) = @_;
		3132
		3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3134
		3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
		3143	if (my $cb = $EXTICMD{$type}) {
		3144	@reply = $cb->($ns, @payload);
		3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
		3150	} else {
		3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3152	}
		3153
		3154	cf::override;
		3155	},
2166	);	3156	);
2167		3157
2168	=item $client->async (\&cb)	3158	=item $client->async (\&cb)
2169		3159
2170	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3176
2187	$coro	3177	$coro
2188	}	3178	}
2189		3179
2190	cf::client->attach (	3180	cf::client->attach (
2191	on_destroy => sub {	3181	on_client_destroy => sub {
2192	my ($ns) = @_;	3182	my ($ns) = @_;
2193		3183
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3185	},
2196	);	3186	);
…		…
2211	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
2213		3203
2214	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
2215		3205
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
2217		3211
2218	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
2219		3213
2220	=pod	3214	=pod
2221		3215
2222	The following functions and methods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
2223		3217
2224	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
2225	cf::object::player player	3223	cf::object::player
2226	cf::player peaceful	3224	player
2227	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
2228		3231
2229	=cut	3232	=cut
2230		3233
2231	for (	3234	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
2236	) {	3241	) {
2237	no strict 'refs';	3242	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257		3262
2258	my $qcode = $code;	3263	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
2261		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
2262	local $_;	3270	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3271
2265	my $eval =	3272	my $eval =
2266	"do {\n"	3273	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3276	. $code
2270	. "\n}"	3277	. "\n}"
2271	;	3278	;
2272		3279
		3280	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
2276		3289
2277	if ($@) {	3290	if ($@) {
2278	warn "$@";	3291	warn "$@";
2279	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
2280	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2299	=cut	3312	=cut
2300		3313
2301	sub register_script_function {	3314	sub register_script_function {
2302	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
2303		3316
2304	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
2306	}	3319	}
2307		3320
2308	=back	3321	=back
2309		3322
2310	=cut	3323	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3324
2484	#############################################################################	3325	#############################################################################
2485	# the server's init and main functions	3326	# the server's init and main functions
2486		3327
2487	sub load_facedata($) {	3328	sub load_facedata($) {
2488	my ($path) = @_;	3329	my ($path) = @_;
		3330
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3336
2490	warn "loading facedata from $path\n";	3337	warn "loading facedata from $path\n";
2491		3338
2492	my $facedata;	3339	my $facedata;
2493	0 < aio_load $path, $facedata	3340	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3343	$facedata = Coro::Storable::thaw $facedata;
2497		3344
2498	$facedata->{version} == 2	3345	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3347
		3348	# patch in the exptable
		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3350	$facedata->{resource}{"res/exp_table"} = {
		3351	type => FT_RSRC,
		3352	data => $exp_table,
		3353	hash => (Digest::MD5::md5 $exp_table),
		3354	};
		3355	cf::cede_to_tick;
		3356
2501	{	3357	{
2502	my $faces = $facedata->{faceinfo};	3358	my $faces = $facedata->{faceinfo};
2503		3359
2504	while (my ($face, $info) = each %$faces) {	3360	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3362
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3363	cf::face::set_visibility $idx, $info->{visibility};
		3364	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3367
		3368	cf::cede_to_tick;
2510	}	3369	}
2511		3370
2512	while (my ($face, $info) = each %$faces) {	3371	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3372	next unless $info->{smooth};
		3373
2514	my $idx = cf::face::find $face	3374	my $idx = cf::face::find $face
2515	or next;	3375	or next;
		3376
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3377	if (my $smooth = cf::face::find $info->{smooth}) {
		3378	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3380	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3382	}
2521	Coro::cede;	3383
		3384	cf::cede_to_tick;
2522	}	3385	}
2523	}	3386	}
2524		3387
2525	{	3388	{
2526	my $anims = $facedata->{animinfo};	3389	my $anims = $facedata->{animinfo};
2527		3390
2528	while (my ($anim, $info) = each %$anims) {	3391	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3392	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3393	cf::cede_to_tick;
2531	}	3394	}
2532		3395
2533	cf::anim::invalidate_all; # d'oh	3396	cf::anim::invalidate_all; # d'oh
2534	}	3397	}
2535		3398
		3399	{
		3400	my $res = $facedata->{resource};
		3401
		3402	while (my ($name, $info) = each %$res) {
		3403	if (defined $info->{type}) {
		3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3405
		3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3407	cf::face::set_type $idx, $info->{type};
		3408	} else {
		3409	$RESOURCE{$name} = $info;
		3410	}
		3411
		3412	cf::cede_to_tick;
		3413	}
		3414	}
		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
2536	1	3418	1
2537	}	3419	}
2538		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
		3449	sub load_resource_file($) {
		3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
2539	sub reload_regions {	3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
2540	load_resource_file "$MAPDIR/regions"	3464	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3465	or die "unable to load regions file\n";
		3466
		3467	for (cf::region::list) {
		3468	$_->{match} = qr/$_->{match}/
		3469	if exists $_->{match};
		3470	}
2542	}	3471	}
2543		3472
2544	sub reload_facedata {	3473	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3474	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3475	or die "unable to load facedata\n";
…		…
2557	}	3486	}
2558		3487
2559	sub reload_resources {	3488	sub reload_resources {
2560	warn "reloading resource files...\n";	3489	warn "reloading resource files...\n";
2561		3490
2562	reload_regions;
2563	reload_facedata;	3491	reload_facedata;
2564	reload_archetypes;	3492	reload_archetypes;
		3493	reload_regions;
2565	reload_treasures;	3494	reload_treasures;
2566		3495
2567	warn "finished reloading resource files\n";	3496	warn "finished reloading resource files\n";
2568	}	3497	}
2569		3498
2570	sub init {	3499	sub reload_config {
2571	reload_resources;	3500	warn "reloading config file...\n";
2572	}
2573		3501
2574	sub cfg_load {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3503	or return;
2577		3504
2578	local $/;	3505	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
2580		3507
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582		3509
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2588	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2589	and die "WARNING: m(un)lockall failed: $!\n";	3516	and die "WARNING: m(un)lockall failed: $!\n";
2590	};	3517	};
2591	warn $@ if $@;	3518	warn $@ if $@;
2592	}	3519	}
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
2593	}	3550	}
2594		3551
2595	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
2596	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3565	(async {
2600	Event::one_event;	3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3567	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3568	})->prio (Coro::PRIO_MAX);
2602	};	3569	};
2603		3570
2604	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
		3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
2605	db_init;	3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
2606	load_extensions;	3594	load_extensions;
2607		3595
2608	$TICK_WATCHER->start;	3596	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3597
		3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
2610	}	3609	}
2611		3610
2612	#############################################################################	3611	#############################################################################
2613	# initialisation and cleanup	3612	# initialisation and cleanup
2614		3613
2615	# install some emergency cleanup handlers	3614	# install some emergency cleanup handlers
2616	BEGIN {	3615	BEGIN {
		3616	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3617	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3619	cf::cleanup "SIG$signal";
2625	},
2626	);	3620	};
		3621	}
		3622	}
		3623
		3624	sub write_runtime_sync {
		3625	my $t0 = AE::time;
		3626
		3627	# first touch the runtime file to show we are still running:
		3628	# the fsync below can take a very very long time.
		3629
		3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3631
		3632	my $guard = cf::lock_acquire "write_runtime";
		3633
		3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3635	or return;
		3636
		3637	my $value = $cf::RUNTIME + 90 + 10;
		3638	# 10 is the runtime save interval, for a monotonic clock
		3639	# 60 allows for the watchdog to kill the server.
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	# touch it again to show we are up-to-date
		3649	aio_utime $fh, undef, undef;
		3650
		3651	close $fh
		3652	or return;
		3653
		3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3655	and return;
		3656
		3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3658
2627	}	3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
2628	}	3710	}
2629		3711
2630	sub emergency_save() {	3712	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3713	my $freeze_guard = cf::freeze_mainloop;
2632		3714
2633	warn "enter emergency perl save\n";	3715	warn "emergency_perl_save: enter\n";
2634		3716
2635	cf::sync_job {	3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
2636	# use a peculiar iteration method to avoid tripping on perl	3723	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3724	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3725	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3726	warn "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3727	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3728	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3731	$pl->save;
2644	}	3732	}
2645	warn "end emergency player save\n";	3733	warn "emergency_perl_save: end player save\n";
2646		3734
2647	warn "begin emergency map save\n";	3735	warn "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3736	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3737	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3738	$map->valid or next;
2651	$map->save;	3739	$map->save;
2652	}	3740	}
2653	warn "end emergency map save\n";	3741	warn "emergency_perl_save: end map save\n";
2654		3742
2655	warn "begin emergency database checkpoint\n";	3743	warn "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3744	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
2658	};	3750	};
2659		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
2660	warn "leave emergency perl save\n";	3757	warn "emergency_perl_save: leave\n";
2661	}	3758	}
2662		3759
2663	sub post_cleanup {	3760	sub post_cleanup {
2664	my ($make_core) = @_;	3761	my ($make_core) = @_;
2665		3762
2666	warn Carp::longmess "post_cleanup backtrace"	3763	warn Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3764	if $make_core;
		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
2668	}	3793	}
2669		3794
2670	sub do_reload_perl() {	3795	sub do_reload_perl() {
2671	# can/must only be called in main	3796	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2673	warn "can only reload from main coroutine";	3798	warn "can only reload from main coroutine";
2674	return;	3799	return;
2675	}	3800	}
2676		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2677	warn "reloading...";	3807	warn "reloading...";
2678		3808
2679	warn "entering sync_job";	3809	warn "entering sync_job";
2680		3810
2681	cf::sync_job {	3811	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark	3812	cf::write_runtime_sync; # external watchdog should not bark
2683	cf::emergency_save;	3813	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark	3814	cf::write_runtime_sync; # external watchdog should not bark
2685		3815
2686	warn "syncing database to disk";	3816	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;	3817	BDB::db_env_txn_checkpoint $DB_ENV;
2688		3818
2689	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2690		3820
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";	3821	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2702	warn "iterate...";	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();
2710
2711	warn "removing commands";
2712	%COMMAND = ();
2713
2714	warn "removing ext commands";
2715	%EXTCMD = ();
2716
2717	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";
2720
2721	if (my $cb = $pkg->can ("unload")) {
2722	eval {
2723	$cb->($pkg);
2724	1
2725	} or warn "$pkg unloaded, but with errors: $@";
2726	}	3824	}
2727		3825
2728	warn "... nuking $pkg";	3826	warn "cancelling all extension coros";
2729	Symbol::delete_package $pkg;	3827	$_->cancel for values %EXT_CORO;
2730	}	3828	%EXT_CORO = ();
2731		3829
2732	warn "unloading all perl modules loaded from $LIBDIR";	3830	warn "removing commands";
2733	while (my ($k, $v) = each %INC) {	3831	%COMMAND = ();
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
2736	warn "... unloading $k";	3839	warn "... unloading $pkg";
2737	delete $INC{$k};
2738		3840
2739	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;
2741
2742	if (my $cb = $k->can ("unload_module")) {	3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
2743	$cb->();	3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
2744	}	3850	}
2745		3851
2746	Symbol::delete_package $k;	3852	warn "unloading all perl modules loaded from $LIBDIR";
		3853	while (my ($k, $v) = each %INC) {
		3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
2747	}	3867	}
2748		3868
2749	warn "getting rid of safe::, as good as possible";	3869	warn "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3872
2753	warn "unloading cf.pm \"a bit\"";	3873	warn "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3876
2757	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3878	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2760		3880
2761	warn "unload completed, starting to reload now";	3881	warn "unload completed, starting to reload now";
2762		3882
2763	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2764	require cf;	3884	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2766		3886
2767	warn "loading config and database again";	3887	warn "loading config and database again";
2768	cf::cfg_load;	3888	cf::reload_config;
2769		3889
2770	warn "loading extensions";	3890	warn "loading extensions";
2771	cf::load_extensions;	3891	cf::load_extensions;
2772		3892
		3893	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3894	warn "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3895	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3896	warn "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3897	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3898	warn "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3899	reattach $_ for values %PLAYER;
		3900	}
2779		3901
		3902	warn "running post_init jobs";
		3903	(pop @POST_INIT)->(1) while @POST_INIT;
		3904
2780	warn "leaving sync_job";	3905	warn "leaving sync_job";
2781		3906
2782	1	3907	1
2783	} or do {	3908	} or do {
2784	warn $@;	3909	warn $@;
2785	warn "error while reloading, exiting.";	3910	cf::cleanup "error while reloading, exiting.";
2786	exit 1;
2787	};	3911	};
2788		3912
2789	warn "reloaded";	3913	warn "reloaded";
		3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
2790	};	3919	};
2791		3920
2792	our $RELOAD_WATCHER; # used only during reload	3921	our $RELOAD_WATCHER; # used only during reload
2793		3922
2794	sub reload_perl() {	3923	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3924	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3925	# coro crashes during coro_state_free->destroy here.
2797		3926
2798	$RELOAD_WATCHER ||= Event->timer (	3927	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	3928	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	3929
2801	data => WF_AUTOCANCEL,	3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	3931	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3932	undef $RELOAD_WATCHER;
2805	},	3933	};
2806	);	3934	};
2807	}	3935	}
2808		3936
2809	register_command "reload" => sub {	3937	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2811		3939
2812	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3941	$who->message ("reloading server.");
		3942	async {
		3943	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3944	reload_perl;
		3945	};
2815	}	3946	}
2816	};	3947	};
2817		3948
2818	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2819		3950
…		…
2821		3952
2822	our @WAIT_FOR_TICK;	3953	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	3954	our @WAIT_FOR_TICK_BEGIN;
2824		3955
2825	sub wait_for_tick {	3956	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		3958
2829	my $signal = new Coro::Signal;	3959	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	3960	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	3961	$signal->wait;
2832	}	3962	}
2833		3963
2834	sub wait_for_tick_begin {	3964	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		3966
2838	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3968	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3969	$signal->wait;
2841	}	3970	}
2842		3971
2843	my $min = 1e6;#d#	3972	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	3973	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	3975	unless ++$bug_warning > 10;
2855	return;	3976	return;
2856	}	3977	}
2857		3978
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2861		3980
2862	0 && sync_job {#d#	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		3982
2868	$map->width (50);	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	3985	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	3986	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	3987	write_runtime_sync
2873		3988	or warn "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	3989	};
		3990	}
2884		3991
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	3993	$sig->send;
2901	}	3994	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	3995	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	3996	$sig->send;
2904	}	3997	}
2905		3998
2906	$NOW = Event::time;	3999	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4001
2917	_post_tick;	4002	if (0) {
2918		4003	if ($NEXT_TICK) {
2919		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
2920	},	4008	}
2921	);	4009	}
2922		4010
2923	{	4011	{
2924	BDB::max_poll_time $TICK * 0.1;	4012	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4013
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4014	BDB::min_parallel 16;
2934		4015	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4016	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4017
2950	unless ($DB_ENV) {	4018	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4025
2953	cf::sync_job {	4026	cf::sync_job {
2954	eval {	4027	eval {
2955	BDB::db_env_open	4028	BDB::db_env_open
2956	$DB_ENV,	4029	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4033	0666;
2961		4034
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4036	};
2967		4037
2968	cf::cleanup "db_env_open(db): $@" if $@;	4038	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4039	};
2970	}	4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
2971	}	4051	}
2972		4052
2973	{	4053	{
		4054	# configure IO::AIO
		4055
2974	IO::AIO::min_parallel 8;	4056	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4057	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4058	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4059	}
2987		4060
2988	my $_log_backtrace;	4061	my $_log_backtrace;
2989		4062
2990	sub _log_backtrace {	4063	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	4066	$msg =~ s/\n//;
2994		4067
2995	# limit the # of concurrent backtraces	4068	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4069	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
2998	async {	4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
2999	my @bt = fork_call {	4075	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4076	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4079	or die "addr2line: $!";
…		…
3011	}	4087	}
3012		4088
3013	@funcs	4089	@funcs
3014	};	4090	};
3015		4091
3016	LOG llevInfo, "[ABT] $msg\n";	4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4094	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4095	--$_log_backtrace;
3019	};	4096	};
3020	} else {	4097	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4098	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4099	LOG llevInfo, "[ABT] [suppressed]\n";
3023	}	4100	}
3024	}	4101	}
3025		4102
3026	# load additional modules	4103	# load additional modules
3027	use cf::pod;	4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
3028		4106
3029	END { cf::emergency_save }	4107	END { cf::emergency_save }
3030		4108
3031	1	4109	1
3032		4110

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines