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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.306 by root, Sat Jul 14 14:33:30 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
172	=back	258	=back
173		259
174	=cut	260	=cut
175		261
176	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
177	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
178	my $msg = join "", @_;	269	my $msg = join "", @_;
179		270
180	$msg .= "\n"	271	$msg .= "\n"
181	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
182		273
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		275
185	utf8::encode $msg;
186	LOG llevError, $msg;	276	LOG llevWarn, $msg;
187	};	277	};
188	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
189		292
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	303	for my $pkg (qw(
201	cf::global cf::attachable	304	cf::global cf::attachable
202	cf::object cf::object::player	305	cf::object cf::object::player
203	cf::client cf::player	306	cf::client cf::player
204	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
205	cf::map cf::party cf::region	309	cf::party cf::region
206	)) {	310	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	312	}
210		313
211	$Event::DIED = sub {	314	$EV::DIED = sub {
212	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
213	};	316	};
214		317
215	#############################################################################	318	#############################################################################
216		319
217	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	343	$d
241	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
242	}	345	}
243		346
244	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
245		348
246	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
247		350
248	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
249		352
250	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
251		354
252	=cut	355	=cut
253		356
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		358
256	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
258		375
259	=item cf::lock_wait $string	376	=item cf::lock_wait $string
260		377
261	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
262		379
263	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
264		381
265	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
268	returned.	385	returned.
269		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
270	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
272		392
273	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
274		394
275	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
276		396
277	=cut	397	=cut
278		398
279	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
280		400
281	sub lock_wait($) {	401	sub lock_wait($) {
282	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	403	}
290		404
291	sub lock_acquire($) {	405	sub lock_acquire($) {
292	my ($key) = @_;	406	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	407	}
304		408
305	sub lock_active($) {	409	sub lock_active($) {
306	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	411	}
310		412
311	sub freeze_mainloop {	413	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
313		415
314	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
316	};	483	}
317	$TICK_WATCHER->stop;	484	};
318	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
319	}	499	}
320		500
321	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
322		502
323	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		508
329	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
330		510
331	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
332		512
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	513	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	514	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	516	acceptable.
337		517
338	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	523	=cut
344		524
345	sub sync_job(&) {	525	sub sync_job(&) {
346	my ($job) = @_;	526	my ($job) = @_;
347		527
348	if ($Coro::current == $Coro::main) {	528	if (in_main) {
349	my $time = Event::time;	529	my $time = AE::time;
350		530
351	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
353		533
354	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	535
356	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
357		537
358	my $busy = 1;	538	my $busy = 1;
359	my @res;	539	my @res;
360		540
361	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	543	@res = eval { $job->() };
363	warn $@ if $@;	544	error $@ if $@;
364	undef $busy;	545	undef $busy;
365	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
366		547
367	while ($busy) {	548	while ($busy) {
368	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
369	}	553	}
		554	}
370		555
371	$time = Event::time - $time;	556	my $time = AE::time - $time;
372		557
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
377		559
378	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
379	} else {	561	} else {
380	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
381		563
…		…
406	=item fork_call { }, $args	588	=item fork_call { }, $args
407		589
408	Executes the given code block with the given arguments in a seperate	590	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	591	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	592	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	593	never block itself or use any form of event handling.
412		594
413	=cut	595	=cut
414		596
415	sub _store_scalar {	597	sub post_fork {
416	open my $fh, ">", \my $buf	598	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	599	}
423		600
424	sub fork_call(&@) {	601	sub fork_call(&@) {
425	my ($cb, @args) = @_;	602	my ($cb, @args) = @_;
426		603
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	604	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	605	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	606	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		607
432	if (my $pid = fork) {	608	my @res = Coro::Util::fork_eval {
433	close $fh2;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
434		612
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	613	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	614	}
437	$res = Coro::Storable::thaw $res;
438		615
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	616	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
466	}	652	}
467		653
468	=item $value = cf::db_get $family => $key	654	=item $value = cf::db_get $family => $key
469		655
470	Returns a single value from the environment database.	656	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	658	=item cf::db_put $family => $key => $value
473		659
474	Stores the given C<$value> in the family. It can currently store binary	660	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
477	=cut	668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
478		689
479	our $DB;	690	our $DB;
480		691
481	sub db_init {	692	sub db_init {
482	unless ($DB) {	693	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	694	}
497		695
498	sub db_get($$) {	696	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	697	my $key = "$_[0]/$_[1]";
500		698
501	cf::sync_job {	699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
502	BDB::db_get $DB, undef, $key, my $data;	702	BDB::db_get $DB, undef, $key, my $data;
503		703
504	$! ? ()	704	$! ? ()
505	: $data	705	: $data
506	}
507	}	706	}
508		707
509	sub db_put($$$) {	708	sub db_put($$$) {
510	BDB::dbreq_pri 4;	709	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
550	if (1) {	749	if (1) {
551	$md5 =	750	$md5 =
552	join "\x00",	751	join "\x00",
553	$processversion,	752	$processversion,
554	map {	753	map {
555	Coro::cede;	754	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	755	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	756	} 0.. $#$src;
558		757
559		758
560	my $dbmd5 = db_get cache => "$id/md5";	759	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		766
568	my $t1 = Time::HiRes::time;	767	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	768	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	769	my $t2 = Time::HiRes::time;
571		770
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		772
574	db_put cache => "$id/data", $data;	773	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	774	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	775	db_put cache => "$id/meta", $meta;
577		776
…		…
587		786
588	=cut	787	=cut
589		788
590	sub datalog($@) {	789	sub datalog($@) {
591	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	792	}
594		793
595	=back	794	=back
596		795
597	=cut	796	=cut
598		797
599	#############################################################################	798	#############################################################################
600		799
601	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
602		801
603	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
606		805
607	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	808	Deliantra).
610		809
611	=over 4	810	=over 4
612		811
613	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
614		813
…		…
658	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
659		858
660	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
662		861
663	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
665		864
666	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
667		866
668	=over 4	867	=over 4
…		…
792		991
793	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		994
796	} elsif (ref $type) {	995	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
798		997
799	} else {	998	} else {
800	shift @arg;	999	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
802	}	1001	}
803	}	1002	}
804	}	1003	}
805		1004
806	sub _object_attach {	1005	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
817	}	1016	}
818		1017
819	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
820	} else {	1019	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1021	}
823		1022
824	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
825	}	1024	}
826		1025
…		…
866	";	1065	";
867	die if $@;	1066	die if $@;
868	}	1067	}
869		1068
870	our $override;	1069	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1071
873	sub override {	1072	sub override {
874	$override = 1;	1073	$override = 1;
875	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
876	}	1075	}
877		1076
878	sub do_invoke {	1077	sub do_invoke {
879	my $event = shift;	1078	my $event = shift;
880	my $callbacks = shift;	1079	my $callbacks = shift;
881		1080
882	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
883		1082
884	local $override;	1083	local $override;
885		1084
886	for (@$callbacks) {	1085	for (@$callbacks) {
887	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
888		1087
889	if ($@) {	1088	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1090	override;
893	}	1091	}
894		1092
895	return 1 if $override;	1093	return 1 if $override;
896	}	1094	}
897		1095
898	0	1096	0
899	}	1097	}
900		1098
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1100
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1102
905	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
906		1104
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1108
911	=back	1109	=back
912		1110
913	=cut	1111	=cut
914		1112
915	#############################################################################	1113	#############################################################################
916	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
917		1157
918	sub reattach {	1158	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1160	my ($obj) = @_;
921		1161
		1162	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1164
924	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
925		1166
926	@$registry = ();	1167	@$registry = ();
927		1168
…		…
932	for (@$attach) {	1173	for (@$attach) {
933	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
935	}	1176	}
936	} else {	1177	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1179	}
939	}	1180	}
940	}	1181	}
941		1182
942	cf::attachable->attach (	1183	cf::attachable->attach (
943	prio => -1000000,	1184	prio => -1000000,
944	on_instantiate => sub {	1185	on_instantiate => sub {
945	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
946		1187
947	$data = from_json $data;	1188	$data = decode_json $data;
948		1189
949	for (@$data) {	1190	for (@$data) {
950	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
951		1192
952	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1209	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
970		1211
971	sync_job {	1212	sync_job {
972	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
975		1218
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
980	close $fh;	1226	aio_close $fh;
981		1227
982	if (@$objs) {	1228	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
988	close $fh;	1237	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
990	}	1239	}
991	} else {	1240	} else {
992	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
993	}	1242	}
994		1243
995	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1248	} else {
997	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
998	}	1250	}
999	} else {	1251	} else {
1000	aio_unlink $filename;	1252	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
1002	}	1254	}
1003	}	1255	};
1004	}	1256	}
1005		1257
1006	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
1008		1260
…		…
1020	or return;	1272	or return;
1021		1273
1022	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1276	or return;
		1277
1025	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
1026	}	1280	}
1027		1281
		1282	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
1030	return ($data, $av);	1287	($data, $av)
1031	}	1288	}
1032		1289
1033	=head2 COMMAND CALLBACKS	1290	=head2 COMMAND CALLBACKS
1034		1291
1035	=over 4	1292	=over 4
…		…
1089	my ($name, $cb) = @_;	1346	my ($name, $cb) = @_;
1090		1347
1091	$EXTICMD{$name} = $cb;	1348	$EXTICMD{$name} = $cb;
1092	}	1349	}
1093		1350
		1351	use File::Glob ();
		1352
1094	cf::player->attach (	1353	cf::player->attach (
1095	on_command => sub {	1354	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
1097		1356
1098	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
1099	or return;	1358	or return;
1100		1359
…		…
1108	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
1109		1368
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1370
1112	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
1118	} else {	1386	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1388	}
1121		1389
1122	cf::override;	1390	cf::override;
1123	},	1391	},
1124	);	1392	);
1125		1393
		1394	# "readahead" all extensions
		1395	sub cache_extensions {
		1396	my $grp = IO::AIO::aio_group;
		1397
		1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1399	for (grep /\.ext$/, @{$_[0]}) {
		1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1401	}
		1402	};
		1403
		1404	$grp
		1405	}
		1406
1126	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
1127	cf::sync_job {	1410	cf::sync_job {
1128	my %todo;	1411	my %todo;
1129		1412
1130	for my $path (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1414	next unless -r $path;
…		…
1149		1432
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1435
1153	$ext{source} =	1436	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1437	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1438	. "#line 1 \"$path\"\n{\n"
1156	. $source	1439	. $source
1157	. "\n};\n1";	1440	. "\n};\n1";
1158		1441
1159	$todo{$base} = \%ext;	1442	$todo{$base} = \%ext;
1160	}	1443	}
1161		1444
		1445	my $pass = 0;
1162	my %done;	1446	my %done;
1163	while (%todo) {	1447	while (%todo) {
1164	my $progress;	1448	my $progress;
1165		1449
		1450	++$pass;
		1451
		1452	ext:
1166	while (my ($k, $v) = each %todo) {	1453	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1454	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1455	next ext
1169	unless exists $done{$_};	1456	unless exists $done{$_};
1170	}	1457	}
1171		1458
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1460
1174	unless (eval $v->{source}) {	1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1464	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1467	if exists $v->{meta}{mandatory};
1179	warn $msg;	1468
1180	warn "mandatory extension failed to load, exiting.\n";	1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1470	delete $todo{$k};
1182	}	1471	} else {
1183		1472	$done{$k} = delete $todo{$k};
1184	warn $msg;	1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
1185	}	1478	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1479	}
1191		1480
1192	skip:	1481	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
1195	}	1489	}
1196	};	1490	};
1197	}	1491	}
1198		1492
1199	#############################################################################	1493	#############################################################################
1200		1494
1201	=back	1495	=back
1202		1496
1203	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
1204		1498
1205	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
1206		1500
1207	=cut	1501	=cut
1208		1502
1209	package cf::player;	1503	package cf::player;
1210		1504
1211	use Coro::AIO;	1505	use Coro::AIO;
1212		1506
1213	=head3 cf::player	1507	=head3 cf::player
1214		1508
1215	=over 4	1509	=over 4
		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
1216		1524
1217	=item cf::player::find $login	1525	=item cf::player::find $login
1218		1526
1219	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1220		1528
…		…
1239		1547
1240	sub exists($) {	1548	sub exists($) {
1241	my ($login) = @_;	1549	my ($login) = @_;
1242		1550
1243	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
1245	}	1553	}
1246		1554
1247	sub find($) {	1555	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1557	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1568
1261	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1264	}	1578	}
1265	}	1579	}
1266	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1267		1594
1268	sub save($) {	1595	sub save($) {
1269	my ($pl) = @_;	1596	my ($pl) = @_;
1270		1597
1271	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1277		1604
1278	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1280		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1281	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1282	Coro::cede;	1614	cf::cede_to_tick;
1283	}	1615	}
1284		1616
1285	sub new($) {	1617	sub new($) {
1286	my ($login) = @_;	1618	my ($login) = @_;
1287		1619
…		…
1293	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1294		1626
1295	$self	1627	$self
1296	}	1628	}
1297		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1298	=item $pl->quit_character	1640	=item $pl->quit_character
1299		1641
1300	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1302		1644
…		…
1306	my ($pl) = @_;	1648	my ($pl) = @_;
1307		1649
1308	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1309		1651
1310	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1654
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1317		1663
1318	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1701	or return [];
1356		1702
1357	my @logins;	1703	my @logins;
1358		1704
1359	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1363		1715
1364	utf8::decode $login;	1716	utf8::decode $login;
1365	push @logins, $login;	1717	push @logins, $login;
1366	}	1718	}
1367		1719
1368	\@logins	1720	\@logins
1369	}	1721	}
1370		1722
1371	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1372		1726
1373	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1374	player. May block.	1728	player. May block.
1375		1729
1376	=cut	1730	=cut
…		…
1394	}	1748	}
1395		1749
1396	\@paths	1750	\@paths
1397	}	1751	}
1398		1752
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1754
1401	Expand crossfire pod fragments into protocol xml.	1755	Expand deliantra pod fragments into protocol xml.
1402		1756
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1450		1758
1451	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1452		1760
1453	=cut	1761	=cut
1454		1762
1455	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1457		1765
1458	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1767	}
1461		1768
1462	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1463		1770
1464	Sends an ext event to the client.	1771	Sends an ext event to the client.
1465		1772
1466	=cut	1773	=cut
1467		1774
1468	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1470		1777
1471	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1472	}	1779	}
1473		1780
1474	=head3 cf::region	1781	=head3 cf::region
1475		1782
1476	=over 4	1783	=over 4
…		…
1485		1792
1486	=cut	1793	=cut
1487		1794
1488	sub find_by_path($) {	1795	sub find_by_path($) {
1489	my ($path) = @_;	1796	my ($path) = @_;
		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
1490		1799
1491	my ($match, $specificity);	1800	my ($match, $specificity);
1492		1801
1493	for my $region (list) {	1802	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1803	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1522		1831
1523	sub generate_random_map {	1832	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1525	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1838	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1548		1860
1549	sub register {	1861	sub register {
1550	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1863	my $pkg = caller;
1552		1864
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1866
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1868	}
1558		1869
1559	# also paths starting with '/'	1870	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1872
1562	sub thawer_merge {	1873	sub thawer_merge {
1563	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1564		1875
1565	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
…		…
1570	}	1881	}
1571		1882
1572	sub normalise {	1883	sub normalise {
1573	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1574		1885
1575	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1576		1887
1577	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1578		1889
1579	# map plan:	1890	# map plan:
1580	#	1891	#
…		…
1619	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1620	return $self;	1931	return $self;
1621	}	1932	}
1622	}	1933	}
1623		1934
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1936	()
1626	}	1937	}
1627		1938
1628	sub init {	1939	sub init {
1629	my ($self) = @_;	1940	my ($self) = @_;
…		…
1651		1962
1652	# the temporary/swap location	1963	# the temporary/swap location
1653	sub save_path {	1964	sub save_path {
1654	my ($self) = @_;	1965	my ($self) = @_;
1655		1966
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1968	"$TMPDIR/$path.map"
1658	}	1969	}
1659		1970
1660	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1661	sub uniq_path {	1972	sub uniq_path {
1662	my ($self) = @_;	1973	my ($self) = @_;
1663		1974
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1976	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1977	}
1676		1978
1677	sub decay_objects {	1979	sub decay_objects {
1678	my ($self) = @_;	1980	my ($self) = @_;
1679		1981
…		…
1692		1994
1693	sub load_header_from($) {	1995	sub load_header_from($) {
1694	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1695		1997
1696	utf8::encode $path;	1998	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1702		2007
1703	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1704		2009
1705	1	2010	1
1706	}	2011	}
…		…
1758		2063
1759	sub find;	2064	sub find;
1760	sub find {	2065	sub find {
1761	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1762		2067
		2068	cf::cede_to_tick;
		2069
1763	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1764		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2074
1767	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1770	or return;	2077	or return;
1771		2078
1772	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1773		2080
…		…
1775	or return;	2082	or return;
1776		2083
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1780	$map->reset;	2089	$map->reset;
1781	undef $guard;
1782	return find $path;	2090	return find $path;
1783	}	2091	}
1784		2092
1785	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1786	}	2094	}
1787	}	2095	}
1788		2096
1789	sub pre_load { }	2097	sub pre_load { }
1790	sub post_load { }	2098	#sub post_load { } # XS
1791		2099
1792	sub load {	2100	sub load {
1793	my ($self) = @_;	2101	my ($self) = @_;
1794		2102
1795	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1796		2104
1797	my $path = $self->{path};	2105	my $path = $self->{path};
1798		2106
1799	{	2107	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1801		2109
		2110	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2112
1804	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1805		2114
1806	$self->alloc;	2115	$self->alloc;
1807		2116
1808	$self->pre_load;	2117	$self->pre_load;
1809	Coro::cede;	2118	cf::cede_to_tick;
1810		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2122	$self->_load_objects ($f)
1812	or return;	2123	or return;
1813		2124
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1815	if delete $self->{load_original};	2126	if delete $self->{load_original};
1816		2127
1817	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2129	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2132	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1822	}	2136	}
1823	}	2137	}
1824		2138
1825	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1826	# now do the right thing for maps	2142	# now do the right thing for maps
1827	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2145	unless $self->difficulty;
1830	Coro::cede;	2146	cf::cede_to_tick;
1831		2147
1832	unless ($self->{deny_activate}) {	2148	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2149	$self->decay_objects;
1834	$self->fix_auto_apply;	2150	$self->fix_auto_apply;
1835	$self->update_buttons;	2151	$self->update_buttons;
1836	Coro::cede;	2152	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2153	$self->activate;
1840	}	2154	}
1841		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2160	}
1844		2161
1845	$self->post_load;	2162	$self->post_load;
1846	}	2163	}
1847		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2168	sub customise_for {
1849	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1850		2170
1851	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2172	if $self->per_player;
…		…
1856		2176
1857	$self	2177	$self
1858	}	2178	}
1859		2179
1860	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2181	sub load_neighbours {
1862	my ($map) = @_;	2182	my ($map) = @_;
1863		2183
1864	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1865		2185
1866	for (0 .. 3) {	2186	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1868	or next;	2188	or next;
1869	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1870	or next;	2190	or next;
1871	$neigh->load;	2191	$neigh->load;
1872		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2197	}
1876		2198
1877	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1879	or next;	2202	or next;
1880	$neigh->load;	2203	$neigh->load;
1881	}	2204	}
1882	}	2205	}
1883		2206
1884	sub find_sync {	2207	sub find_sync {
1885	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1886		2209
1887	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1888	}	2214	}
1889		2215
1890	sub do_load_sync {	2216	sub do_load_sync {
1891	my ($map) = @_;	2217	my ($map) = @_;
1892		2218
1893	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1894	}	2223	}
1895		2224
1896	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1898		2227
1899	sub find_async {	2228	sub find_async {
1900	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1901		2230
1902	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1903		2232
1904	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2235	}
1907		2236
1908	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1909	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1910	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2244	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2245	$map->load if $v;
		2246	}
1915		2247
1916	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1917	}	2249	}
1918	}	2250	}
1919	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1920	};	2252	};
1921	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1922		2254
1923	()	2255	()
1924	}	2256	}
1925		2257
		2258	# common code, used by both ->save and ->swapout
1926	sub save {	2259	sub _save {
1927	my ($self) = @_;	2260	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2261
1931	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1932		2263
1933	return unless $self->dirty;	2264	return unless $self->dirty;
1934		2265
…		…
1940	return if $self->{deny_save};	2271	return if $self->{deny_save};
1941		2272
1942	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1943		2274
1944	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1946	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1947		2281
1948	if ($uniq) {	2282	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2285	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2287	}
1954	}	2288	}
1955		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1956	sub swap_out {	2298	sub swap_out {
1957	my ($self) = @_;	2299	my ($self) = @_;
1958		2300
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1964	return if $self->players;	2305	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1968	$self->clear;	2316	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2317	}
1971		2318
1972	sub reset_at {	2319	sub reset_at {
1973	my ($self) = @_;	2320	my ($self) = @_;
1974		2321
…		…
1992		2339
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2341
1995	return if $self->players;	2342	return if $self->players;
1996		2343
1997	warn "resetting map ", $self->path;	2344	cf::trace "resetting map ", $self->path, "\n";
1998		2345
1999	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
2000		2347
2001	# need to save uniques path	2348	# need to save uniques path
2002	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2353	if $uniq;
2007	}	2354	}
2008		2355
2009	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2010		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2360	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2361
2015	$self->unlink_save;	2362	$self->unlink_save;
2016	$self->destroy;	2363	$self->destroy;
2017	}	2364	}
2018		2365
2019	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
2020		2367
2021	sub nuke {	2368	sub nuke {
2022	my ($self) = @_;	2369	my ($self) = @_;
2023		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
2024	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
2025		2375
2026	$self->unlink_save;	2376	$self->unlink_save;
2027		2377
2028	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2383
2034	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
2035		2386
2036	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
2037	}	2388	}
2038		2389
2039	=item $maps = cf::map::tmp_maps	2390	=item $maps = cf::map::tmp_maps
…		…
2081		2432
2082	sub unique_maps() {	2433	sub unique_maps() {
2083	[	2434	[
2084	map {	2435	map {
2085	utf8::decode $_;	2436	utf8::decode $_;
2086	/\.map$/	2437	s/\.map$//; # TODO future compatibility hack
		2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2439	? ()
2087	? normalise $_	2440	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2441	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2442	]
2091	}	2443	}
2092		2444
2093	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
2094		2476
2095	=back	2477	=back
2096		2478
2097	=head3 cf::object	2479	=head3 cf::object
2098		2480
…		…
2102		2484
2103	=over 4	2485	=over 4
2104		2486
2105	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
2106		2488
2107	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
2108		2491
2109	=cut	2492	=cut
2110		2493
2111	sub inv_recursive_;	2494	sub inv_recursive_;
2112	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
2115		2498
2116	sub inv_recursive {	2499	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
2118	}	2501	}
2119		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
2120	package cf;	2531	package cf;
2121		2532
2122	=back	2533	=back
2123		2534
2124	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
2133		2544
2134	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
2135		2560
2136	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2562	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
2146		2571
2147	} else {	2572	} else {
2148	my $pl = $self->contr;	2573	my $pl = $self->contr;
2149		2574
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2576	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2578
2159	} else {	2579	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2582	}
2163	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
2164	}	2594	}
2165		2595
2166	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
2167		2597
2168	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
2181		2611
2182	=item $player_object->enter_link	2612	=item $player_object->enter_link
2183		2613
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2615
2186	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
2188		2620
2189	Will never block.	2621	Will never block.
2190		2622
2191	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
2192		2624
…		…
2212	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2645	my ($self) = @_;
2214		2646
2215	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
2216		2648
		2649	++$self->{_link_recursion};
		2650
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2652
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2654	if $self->map && $self->map->{path} ne "{link}";
2221		2655
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2657	}
2224		2658
2225	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
2227		2661
…		…
2244	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
2246		2680
2247	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
2250		2684
2251	$map->load;	2685	$map->load;
2252	$map->load_diag;	2686	$map->load_neighbours;
2253		2687
2254	return unless $self->contr->active;	2688	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2689
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
2259	}	2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
		2695	$self->activate_recursive;
		2696	}
2260		2697
		2698	}
		2699
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2701
2263	Moves the player to the given map-path and coordinates by first freezing	2702	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2703	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2704	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2705	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2706	be called at the end of this process.
2268		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
2269	=cut	2711	=cut
2270		2712
2271	our $GOTOGEN;	2713	our $GOTOGEN;
2272		2714
2273	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
2274	my ($self, $path, $x, $y, $check, $done) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
2275		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
2276	# do generation counting so two concurrent goto's will be executed in-order	2724	# do generation counting so two concurrent goto's will be executed in-order
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2726
2279	$self->enter_link;	2727	$self->enter_link;
2280		2728
2281	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
2282	my $map = eval {	2751	my $map = eval {
2283	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
2284		2753
2285	if ($map) {	2754	if ($map) {
2286	$map = $map->customise_for ($self);	2755	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2756	$map = $check->($map, $x, $y, $self) if $check && $map;
2288	} else {	2757	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2759	}
2291		2760
2292	$map	2761	$map
2293	};	2762	};
2294		2763
…		…
2300	if ($gen == $self->{_goto_generation}) {	2769	if ($gen == $self->{_goto_generation}) {
2301	delete $self->{_goto_generation};	2770	delete $self->{_goto_generation};
2302	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
2303	}	2772	}
2304		2773
2305	$done->() if $done;	2774	$done->($self) if $done;
2306	})->prio (1);	2775	})->prio (1);
2307	}	2776	}
2308		2777
2309	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
2310		2779
…		…
2330	}	2799	}
2331		2800
2332	sub prepare_random_map {	2801	sub prepare_random_map {
2333	my ($exit) = @_;	2802	my ($exit) = @_;
2334		2803
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2806	# that depends on the exit object
2340		2807
2341	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2810	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
2348	}	2817	}
2349		2818
2350	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
2351		2820
2352	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
2355		2824
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2827	undef $fh;
2359	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
2360		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2363	}	2836	}
2364	}	2837	}
2365		2838
2366	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2368		2841
2369	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2370		2843
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2844	$self->enter_link;
2383		2845
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2846	(async {
2389	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2390	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2391	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2392		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2393	1;	2870	1
2394	}) {	2871	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2876
2400	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2401	$self->leave_link;	2878	$self->leave_link;
2402	}	2879	}
2403	})->prio (1);	2880	})->prio (1);
2404	}	2881	}
2405		2882
…		…
2419		2896
2420	utf8::encode $text;	2897	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2899	}
2423		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2927
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2928	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2929	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2930	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2931	the message unless the client supports the msg packet.
2430		2932
2431	=cut	2933	=cut
2432		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
2433	sub cf::client::send_msg {	3049	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3050	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3051
2436	$msg = $self->pl->expand_cfpod ($msg);	3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
2437		3073
2438	return unless @extra || length $msg;	3074	return unless @extra || length $msg;
2439		3075
2440	if ($self->can_msg) {	3076	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3078	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3079
2453	if ($color >= 0) {	3080	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3081	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3083	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
2464	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2465		3089
2466	Sends an ext event to the client.	3090	Sends an ext event to the client.
2467		3091
2468	=cut	3092	=cut
2469		3093
2470	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2472		3096
2473	return unless $self->extcmd;	3097	if ($self->extcmd == 2) {
2474		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
2477	}	3121	}
2478		3122
2479	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2480		3124
2481	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3180	my ($ns, $buf) = @_;
2537		3181
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3183
2540	if (ref $msg) {	3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3192	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3193	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
2547	} else {	3199	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3201	}
2550		3202
2551	cf::override;	3203	cf::override;
2552	},	3204	},
2553	);	3205	);
…		…
2573		3225
2574	$coro	3226	$coro
2575	}	3227	}
2576		3228
2577	cf::client->attach (	3229	cf::client->attach (
2578	on_destroy => sub {	3230	on_client_destroy => sub {
2579	my ($ns) = @_;	3231	my ($ns) = @_;
2580		3232
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3234	},
2583	);	3235	);
…		…
2598	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2600		3252
2601	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2602		3254
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2604		3260
2605	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2606		3262
2607	=pod	3263	=pod
2608		3264
2609	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2610		3266
2611	cf::object	3267	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3268	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3269	insert remove name archname title slaying race decrease split
		3270	value
2614		3271
2615	cf::object::player	3272	cf::object::player
2616	player	3273	player
2617		3274
2618	cf::player	3275	cf::player
…		…
2623		3280
2624	=cut	3281	=cut
2625		3282
2626	for (	3283	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2632	) {	3290	) {
2633	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2636	for @funs;	3293	for @funs;
2637	}	3294	}
2638		3295
…		…
2653		3310
2654	my $qcode = $code;	3311	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2657		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2658	local $_;	3318	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3319
2661	my $eval =	3320	my $eval =
2662	"do {\n"	3321	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3324	. $code
2666	. "\n}"	3325	. "\n}"
2667	;	3326	;
2668		3327
		3328	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2672		3337
2673	if ($@) {	3338	if ($@) {
2674	warn "$@";	3339	warn "$@",
2675	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2676	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2677	}	3342	}
2678		3343
2679	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2680	}	3345	}
2681		3346
…		…
2695	=cut	3360	=cut
2696		3361
2697	sub register_script_function {	3362	sub register_script_function {
2698	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2699		3364
2700	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2702	}	3367	}
2703		3368
2704	=back	3369	=back
2705		3370
2706	=cut	3371	=cut
…		…
2709	# the server's init and main functions	3374	# the server's init and main functions
2710		3375
2711	sub load_facedata($) {	3376	sub load_facedata($) {
2712	my ($path) = @_;	3377	my ($path) = @_;
2713		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
2714	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2715		3386
2716	my $facedata;
2717	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2718	or die "$path: $!";	3388	or die "$path: $!";
2719		3389
2720	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2721		3391
2722	$facedata->{version} == 2	3392	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
2725	{	3404	{
2726	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2727		3406
2728	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2730	cf::face::set_visibility $idx, $info->{visibility};	3410	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3411	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2734		3414
2735	cf::cede_to_tick;	3415	cf::cede_to_tick;
2736	}	3416	}
2737		3417
2738	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2740	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2741	or next;	3422	or next;
		3423
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3425	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3427	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2747	}	3429	}
2748		3430
2749	cf::cede_to_tick;	3431	cf::cede_to_tick;
2750	}	3432	}
2751	}	3433	}
…		…
2760		3442
2761	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2762	}	3444	}
2763		3445
2764	{	3446	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3447	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3448
2770	while (my ($name, $info) = each %$res) {	3449	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3450	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776	my $data = pack "(w/a*)*", $meta, $info->{data};
2777	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2778
2779	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2780	cf::face::set_type $idx, 1;	3454	cf::face::set_type $idx, $info->{type};
2781	cf::face::set_data $idx, 0, $data, $chk;	3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
2782		3458
2783	cf::cede_to_tick;	3459	cf::cede_to_tick;
2784	}	3460	}
2785	}	3461	}
2786		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2787	1	3465	1
2788	}	3466	}
2789		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
2790	sub reload_regions {	3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
2791	load_resource_file "$MAPDIR/regions"	3491	load_resource_file "$MAPDIR/regions"
2792	or die "unable to load regions file\n";	3492	or die "unable to load regions file\n";
2793		3493
2794	for (cf::region::list) {	3494	for (cf::region::list) {
2795	$_->{match} = qr/$_->{match}/	3495	$_->{match} = qr/$_->{match}/
…		…
2803	}	3503	}
2804		3504
2805	sub reload_archetypes {	3505	sub reload_archetypes {
2806	load_resource_file "$DATADIR/archetypes"	3506	load_resource_file "$DATADIR/archetypes"
2807	or die "unable to load archetypes\n";	3507	or die "unable to load archetypes\n";
2808	#d# NEED to laod twice to resolve forward references
2809	# this really needs to be done in an extra post-pass
2810	# (which needs to be synchronous, so solve it differently)
2811	load_resource_file "$DATADIR/archetypes"
2812	or die "unable to load archetypes\n";
2813	}	3508	}
2814		3509
2815	sub reload_treasures {	3510	sub reload_treasures {
2816	load_resource_file "$DATADIR/treasures"	3511	load_resource_file "$DATADIR/treasures"
2817	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2818	}	3513	}
2819		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2820	sub reload_resources {	3538	sub reload_resources {
2821	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2822		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2823	reload_regions;	3546	reload_regions;
2824	reload_facedata;
2825	#reload_archetypes;#d#
2826	reload_archetypes;
2827	reload_treasures;	3547	reload_treasures;
2828		3548
2829	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2830	}	3550	}
2831		3551
2832	sub init {	3552	sub reload_config {
2833	reload_resources;	3553	trace "reloading config file...\n";
2834	}
2835		3554
2836	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2837	open my $fh, "<:utf8", "$CONFDIR/config"	3556	or die "$CONFDIR/config: $!";
2838	or return;
2839		3557
2840	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2841	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2842		3562
2843	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2844		3564
2845	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2846	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2847		3567
2848	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2852	};	3572	};
2853	warn $@ if $@;	3573	warn $@ if $@;
2854	}	3574	}
2855	}	3575	}
2856		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2857	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2858	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2859	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2860	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2861	(async {	3618	(async {
2862	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2863	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2864	};	3622	};
2865		3623
2866	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2867	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2868	load_extensions;	3647	load_extensions;
2869		3648
2870	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2871	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2872	}	3667	}
2873		3668
2874	#############################################################################	3669	#############################################################################
2875	# initialisation and cleanup	3670	# initialisation and cleanup
2876		3671
2877	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2878	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2879	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2880	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2881	reentrant => 0,
2882	data => WF_AUTOCANCEL,
2883	signal => $signal,
2884	prio => 0,
2885	cb => sub {
2886	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2887	},
2888	);	3678	};
2889	}	3679	}
2890	}	3680	}
2891		3681
2892	sub write_runtime {	3682	sub write_runtime_sync {
2893	my $runtime = "$LOCALDIR/runtime";	3683	my $t0 = AE::time;
2894		3684
2895	# first touch the runtime file to show we are still running:	3685	# first touch the runtime file to show we are still running:
2896	# the fsync below can take a very very long time.	3686	# the fsync below can take a very very long time.
2897		3687
2898	IO::AIO::aio_utime $runtime, undef, undef;	3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2899		3689
2900	my $guard = cf::lock_acquire "write_runtime";	3690	my $guard = cf::lock_acquire "write_runtime";
2901		3691
2902	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2903	or return;	3693	or return;
2904		3694
2905	my $value = $cf::RUNTIME + 90 + 10;	3695	my $value = $cf::RUNTIME + 90 + 10;
2906	# 10 is the runtime save interval, for a monotonic clock	3696	# 10 is the runtime save interval, for a monotonic clock
2907	# 60 allows for the watchdog to kill the server.	3697	# 60 allows for the watchdog to kill the server.
…		…
2917	aio_utime $fh, undef, undef;	3707	aio_utime $fh, undef, undef;
2918		3708
2919	close $fh	3709	close $fh
2920	or return;	3710	or return;
2921		3711
2922	aio_rename "$runtime~", $runtime	3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2923	and return;	3713	and return;
2924		3714
2925	warn "runtime file written.\n";	3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2926		3716
2927	1	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2928	}	3768	}
2929		3769
2930	sub emergency_save() {	3770	sub emergency_save() {
2931	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2932		3772
2933	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2934		3779
2935	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2936	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2937	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2938	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2939	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2940	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2941	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2942	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2943	$pl->save;	3791	$pl->save;
2944	}	3792	}
2945	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2946		3794
2947	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2948	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2949	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2950	$map->valid or next;	3800	$map->valid or next;
2951	$map->save;	3801	$map->save;
2952	}	3802	}
2953	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2954		3804
2955	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2956	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2957	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2958	};	3833	};
2959		3834
2960	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2961	}	3836	}
2962		3837
2963	sub post_cleanup {	3838	sub post_cleanup {
2964	my ($make_core) = @_;	3839	my ($make_core) = @_;
2965		3840
		3841	IO::AIO::flush;
		3842
2966	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2967	if $make_core;	3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
2968	}	3873	}
2969		3874
2970	sub do_reload_perl() {	3875	sub do_reload_perl() {
2971	# can/must only be called in main	3876	# can/must only be called in main
2972	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2973	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2974	return;	3879	return;
2975	}	3880	}
2976		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2977	warn "reloading...";	3888	info "reloading...";
2978		3889
2979	warn "entering sync_job";	3890	trace "entering sync_job";
2980		3891
2981	cf::sync_job {	3892	cf::sync_job {
2982	cf::write_runtime; # external watchdog should not bark
2983	cf::emergency_save;	3893	#cf::emergency_save;
2984	cf::write_runtime; # external watchdog should not bark
2985		3894
2986	warn "syncing database to disk";
2987	BDB::db_env_txn_checkpoint $DB_ENV;
2988
2989	# if anything goes wrong in here, we should simply crash as we already saved
2990
2991	warn "cancelling all WF_AUTOCANCEL watchers";
2992	for (Event::all_watchers) {
2993	$_->cancel if $_->data & WF_AUTOCANCEL;
2994	}
2995
2996	warn "flushing outstanding aio requests";
2997	for (;;) {
2998	BDB::flush;
2999	IO::AIO::flush;
3000	Coro::cede;
3001	last unless IO::AIO::nreqs || BDB::nreqs;
3002	warn "iterate...";
3003	}
3004
3005	++$RELOAD;
3006
3007	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
3008	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
3009	%EXT_CORO = ();	3897	%EXT_CORO = ();
3010		3898
3011	warn "removing commands";	3899	trace "removing commands";
3012	%COMMAND = ();	3900	%COMMAND = ();
3013		3901
3014	warn "removing ext/exti commands";	3902	trace "removing ext/exti commands";
3015	%EXTCMD = ();	3903	%EXTCMD = ();
3016	%EXTICMD = ();	3904	%EXTICMD = ();
3017		3905
3018	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
3019	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
3020	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
3021		3909
3022	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
3023	eval {	3911	eval {
3024	$cb->($pkg);	3912	$cb->($pkg);
3025	1	3913	1
3026	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
3027	}	3919	}
3028		3920
3029	warn "... nuking $pkg";
3030	Symbol::delete_package $pkg;
3031	}
3032
3033	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
3034	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
3035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3036		3924
3037	warn "... unloading $k";	3925	trace "... unloading $k";
3038	delete $INC{$k};	3926	delete $INC{$k};
3039		3927
3040	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
3041	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
3042		3930
3043	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
3044	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
3045	}	3936	}
3046		3937
3047	Symbol::delete_package $k;
3048	}
3049
3050	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
3051	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
3052	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3053		3941
3054	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
3055	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
3056	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3057		3945
3058	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
3059	# and global variables created in xs	3947	# and global variables created in xs
3060	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
3061		3949
3062	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
3063		3951
3064	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
3065	require cf;	3953	require cf;
3066	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
3067		3955
3068	warn "loading config and database again";	3956	trace "loading config and database again";
3069	cf::cfg_load;	3957	cf::reload_config;
3070		3958
3071	warn "loading extensions";	3959	trace "loading extensions";
3072	cf::load_extensions;	3960	cf::load_extensions;
3073		3961
		3962	if ($REATTACH_ON_RELOAD) {
3074	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
3075	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
3076	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
3077	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
3078	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
3079	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
3080		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
3081	warn "leaving sync_job";	3974	trace "leaving sync_job";
3082		3975
3083	1	3976	1
3084	} or do {	3977	} or do {
3085	warn $@;	3978	error $@;
3086	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
3087	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
3088	};	3984	}
3089		3985
3090	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
3091	};	3988	};
3092		3989
3093	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
3094		3991
3095	sub reload_perl() {	3992	sub reload_perl() {
3096	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
3097	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
3098		3995
3099	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
3100	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
3101	after => 0,	3998
3102	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3103	cb => sub {
3104	do_reload_perl;	4000	do_reload_perl;
3105	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
3106	},	4002	};
3107	);	4003	};
3108	}	4004	}
3109		4005
3110	register_command "reload" => sub {	4006	register_command "reload" => sub {
3111	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
3112		4008
3113	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
3114	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
3115	async { reload_perl };	4013	reload_perl;
		4014	};
3116	}	4015	}
3117	};	4016	};
3118		4017
3119	unshift @INC, $LIBDIR;	4018	#############################################################################
3120		4019
3121	my $bug_warning = 0;	4020	my $bug_warning = 0;
3122		4021
3123	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
3124	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
3125		4024
3126	sub wait_for_tick {	4025	sub wait_for_tick() {
3127	return unless $TICK_WATCHER->is_active;
3128	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3129		4027
3130	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
3131	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
3132	$signal->wait;	4030	$signal->wait;
3133	}	4031	}
3134		4032
3135	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
3136	return unless $TICK_WATCHER->is_active;
3137	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3138		4035
3139	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
3140	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
3141	$signal->wait;	4038	$signal->wait;
3142	}	4039	}
3143		4040
3144	my $min = 1e6;#d#	4041	sub tick {
3145	my $avg = 10;
3146	$TICK_WATCHER = Event->timer (
3147	reentrant => 0,
3148	parked => 1,
3149	prio => 0,
3150	at => $NEXT_TICK || $TICK,
3151	data => WF_AUTOCANCEL,
3152	cb => sub {
3153	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
3154	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3155	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
3156	return;	4045	return;
3157	}	4046	}
3158		4047
3159	$NOW = $tick_start = Event::time;
3160
3161	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
3162		4049
3163	0 && sync_job {#d#	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3164	for(1..10) {
3165	my $t = Event::time;
3166	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3167	or die;
3168		4051
3169	$map->width (50);	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3170	$map->height (50);	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3171	$map->alloc;	4054	Coro::async_pool {
3172	$map->_load_objects ("/tmp/x.map", 1);	4055	$Coro::current->{desc} = "runtime saver";
3173	my $t = Event::time - $t;	4056	write_runtime_sync
3174		4057	or error "ERROR: unable to write runtime file: $!";
3175	#next unless $t < 0.0013;#d#
3176	if ($t < $min) {
3177	$min = $t;
3178	}
3179	$avg = $avg * 0.99 + $t * 0.01;
3180	}
3181	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3182	exit 0;
3183	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3184	};	4058	};
		4059	}
3185		4060
3186	$RUNTIME += $TICK;
3187	$NEXT_TICK += $TICK;
3188
3189	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3190	$NEXT_RUNTIME_WRITE = $NOW + 10;
3191	Coro::async_pool {
3192	write_runtime
3193	or warn "ERROR: unable to write runtime file: $!";
3194	};
3195	}
3196
3197	# my $AFTER = Event::time;
3198	# warn $AFTER - $NOW;#d#
3199
3200	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3201	$sig->send;	4062	$sig->send;
3202	}	4063	}
3203	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
3204	$sig->send;	4065	$sig->send;
3205	}	4066	}
3206		4067
3207	$NOW = Event::time;	4068	$LOAD = ($NOW - $TICK_START) / $TICK;
3208
3209	# if we are delayed by four ticks or more, skip them all
3210	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3211
3212	$TICK_WATCHER->at ($NEXT_TICK);
3213	$TICK_WATCHER->start;
3214
3215	$LOAD = ($NOW - $tick_start) / $TICK;
3216	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3217		4070
3218	_post_tick;	4071	if (0) {
3219		4072	if ($NEXT_TICK) {
3220		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
3221	},	4077	}
3222	);	4078	}
3223		4079
3224	{	4080	{
3225	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
3226	$BDB_POLL_WATCHER = Event->io (	4082
3227	reentrant => 0,
3228	fd => BDB::poll_fileno,
3229	poll => 'r',
3230	prio => 0,
3231	data => WF_AUTOCANCEL,
3232	cb => \&BDB::poll_cb,
3233	);
3234	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
3235		4084	BDB::max_poll_reqs $TICK * 0.1;
3236	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
3237	my $status;
3238	my $current = $Coro::current;
3239	(
3240	sub {
3241	$status = $!;
3242	$current->ready; undef $current;
3243	},
3244	sub {
3245	Coro::schedule while defined $current;
3246	$! = $status;
3247	},
3248	)
3249	};
3250		4086
3251	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
3252	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3253		4094
3254	cf::sync_job {	4095	cf::sync_job {
3255	eval {	4096	eval {
3256	BDB::db_env_open	4097	BDB::db_env_open
3257	$DB_ENV,	4098	$DB_ENV,
…		…
3259	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3260	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3261	0666;	4102	0666;
3262		4103
3263	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3264
3265	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3266	$DB_ENV->set_lk_detect;
3267	};	4105	};
3268		4106
3269	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
3270	};	4108	};
3271	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
3272	}	4120	}
3273		4121
3274	{	4122	{
		4123	# configure IO::AIO
		4124
3275	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
3276
3277	undef $Coro::AIO::WATCHER;
3278	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
3279	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
3280	reentrant => 0,
3281	data => WF_AUTOCANCEL,
3282	fd => IO::AIO::poll_fileno,
3283	poll => 'r',
3284	prio => 6,
3285	cb => \&IO::AIO::poll_cb,
3286	);
3287	}	4128	}
3288		4129
3289	my $_log_backtrace;	4130	my $_log_backtrace;
3290		4131
3291	sub _log_backtrace {	4132	sub _log_backtrace {
…		…
3294	$msg =~ s/\n//;	4135	$msg =~ s/\n//;
3295		4136
3296	# limit the # of concurrent backtraces	4137	# limit the # of concurrent backtraces
3297	if ($_log_backtrace < 2) {	4138	if ($_log_backtrace < 2) {
3298	++$_log_backtrace;	4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
3299	async {	4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
3300	my @bt = fork_call {	4144	my @bt = fork_call {
3301	@addr = map { sprintf "%x", $_ } @addr;	4145	@addr = map { sprintf "%x", $_ } @addr;
3302	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3303	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3304	or die "addr2line: $!";	4148	or die "addr2line: $!";
…		…
3312	}	4156	}
3313		4157
3314	@funcs	4158	@funcs
3315	};	4159	};
3316		4160
3317	LOG llevInfo, "[ABT] $msg\n";	4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3318	LOG llevInfo, "[ABT] $_\n" for @bt;	4163	LOG llevInfo, "[ABT] $_\n" for @bt;
3319	--$_log_backtrace;	4164	--$_log_backtrace;
3320	};	4165	};
3321	} else {	4166	} else {
3322	LOG llevInfo, "[ABT] $msg\n";	4167	LOG llevInfo, "[ABT] $msg\n";
3323	LOG llevInfo, "[ABT] [suppressed]\n";	4168	LOG llevInfo, "[ABT] [suppressed]\n";
3324	}	4169	}
3325	}	4170	}
3326		4171
3327	# load additional modules	4172	# load additional modules
3328	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
3329		4175
3330	END { cf::emergency_save }	4176	END { cf::emergency_save }
3331		4177
3332	1	4178	1
3333		4179

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