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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.335 by root, Mon Aug 20 22:21:48 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 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 3.64 ();	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;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	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 $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	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::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	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
170	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
171	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.
172		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	250	that call.
178		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
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$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;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	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	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$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;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
265		404
266	=item cf::lock_wait $string	405	=item cf::lock_wait $string
267		406
268	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
269		408
270	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
271		410
272	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
275	returned.	414	returned.
276		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
277	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
279		421
280	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
281		423
282	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
283		425
284	=cut	426	=cut
285		427
286	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
287		429
288	sub lock_wait($) {	430	sub lock_wait($) {
289	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	432	}
297		433
298	sub lock_acquire($) {	434	sub lock_acquire($) {
299	my ($key) = @_;	435	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	436	}
311		437
312	sub lock_active($) {	438	sub lock_active($) {
313	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	440	}
317		441
318	sub freeze_mainloop {	442	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
320		444
321	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	446	}
323	};	447
324	$TICK_WATCHER->stop;	448	=item cf::periodic $interval, $cb
325	$guard	449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
326	}	461	}
327		462
328	=item cf::get_slot $time[, $priority[, $name]]	463	=item cf::get_slot $time[, $priority[, $name]]
329		464
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		473
339	=cut	474	=cut
340		475
341	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
343		479
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
346	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
347		486
348	while () {	487	while () {
349	next_job:	488	next_job:
		489
350	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	491
352	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	496	$job->[2]->send;
356	Coro::cede;	497	Coro::cede;
357	goto next_job;	498	goto next_job;
358	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	501	}
360	}	502	}
361		503
362	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	507	$signal->wait;
366	} else {	508	} else {
		509	$busy = 0;
367	Coro::schedule;	510	Coro::schedule;
368	}	511	}
369	}	512	}
370	};	513	};
371		514
372	sub get_slot($;$$) {	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
373	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
374		519
375	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
376	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
377		523
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
391		537
392	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
393		539
394	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
395		541
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	545	acceptable.
400		546
401	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	552	=cut
407		553
408	sub sync_job(&) {	554	sub sync_job(&) {
409	my ($job) = @_;	555	my ($job) = @_;
410		556
411	if ($Coro::current == $Coro::main) {	557	if (in_main) {
412	my $time = Event::time;	558	my $time = AE::time;
413		559
414	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
416		562
417	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	564
419	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
420		566
421	my $busy = 1;	567	my $busy = 1;
422	my @res;	568	my @res;
423		569
424	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	572	@res = eval { $job->() };
426	warn $@ if $@;	573	error $@ if $@;
427	undef $busy;	574	undef $busy;
428	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
429		576
430	while ($busy) {	577	while ($busy) {
431	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
432	}	582	}
		583	}
433		584
434	$time = Event::time - $time;	585	my $time = AE::time - $time;
435		586
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
440		588
441	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
442	} else {	590	} else {
443	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
444		592
…		…
464	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
465		613
466	$coro	614	$coro
467	}	615	}
468		616
469	=item fork_call { }, $args	617	=item fork_call { }, @args
470		618
471	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
475		623
476	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
477		629
478	sub fork_call(&@) {	630	sub fork_call(&@) {
479	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
480		632
481	# we seemingly have to make a local copy of the whole thing,	633	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	634	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	635	# TODO: investigate and fix (likely this will be rather laborious)
484		636
485	my @res = Coro::Util::fork_eval {	637	my @res = Coro::Util::fork_eval {
486	reset_signals;	638	cf::post_fork;
487	&$cb	639	&$cb
488	}, @args;	640	} @args;
489		641
490	wantarray ? @res : $res[-1]	642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
491	}	681	}
492		682
493	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
494		684
495	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
498		688
499	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
502	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
503		718
504	our $DB;	719	our $DB;
505		720
506	sub db_init {	721	sub db_init {
507	unless ($DB) {	722	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	723	}
522		724
523	sub db_get($$) {	725	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
525		727
526	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
527	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
528		732
529	$! ? ()	733	$! ? ()
530	: $data	734	: $data
531	}
532	}	735	}
533		736
534	sub db_put($$$) {	737	sub db_put($$$) {
535	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	778	if (1) {
576	$md5 =	779	$md5 =
577	join "\x00",	780	join "\x00",
578	$processversion,	781	$processversion,
579	map {	782	map {
580	Coro::cede;	783	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	785	} 0.. $#$src;
583		786
584		787
585	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		795
593	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	797	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
596		799
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		801
599	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
602		805
…		…
612		815
613	=cut	816	=cut
614		817
615	sub datalog($@) {	818	sub datalog($@) {
616	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	821	}
619		822
620	=back	823	=back
621		824
622	=cut	825	=cut
623		826
624	#############################################################################	827	#############################################################################
625		828
626	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
627		830
628	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
631		834
632	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	837	Deliantra).
635		838
636	=over 4	839	=over 4
637		840
638	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
639		842
…		…
683	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
684		887
685	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
687		890
688	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
690		893
691	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
692		895
693	=over 4	896	=over 4
…		…
817		1020
818	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1023
821	} elsif (ref $type) {	1024	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
823		1026
824	} else {	1027	} else {
825	shift @arg;	1028	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
827	}	1030	}
828	}	1031	}
829	}	1032	}
830		1033
831	sub _object_attach {	1034	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
842	}	1045	}
843		1046
844	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
845	} else {	1048	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1050	}
848		1051
849	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
850	}	1053	}
851		1054
…		…
910		1113
911	for (@$callbacks) {	1114	for (@$callbacks) {
912	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
913		1116
914	if ($@) {	1117	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1119	override;
918	}	1120	}
919		1121
920	return 1 if $override;	1122	return 1 if $override;
921	}	1123	}
922		1124
923	0	1125	0
924	}	1126	}
925		1127
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1129
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1131
930	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
931		1133
…		…
937		1139
938	=cut	1140	=cut
939		1141
940	#############################################################################	1142	#############################################################################
941	# object support	1143	# object support
942	#
943		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
944	sub _can_merge {	1178	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
946		1180
947	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1182
951	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
952	}	1185	}
953		1186
954	sub reattach {	1187	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1189	my ($obj) = @_;
957		1190
		1191	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1193
960	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
961		1195
962	@$registry = ();	1196	@$registry = ();
963		1197
…		…
968	for (@$attach) {	1202	for (@$attach) {
969	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
971	}	1205	}
972	} else {	1206	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1208	}
975	}	1209	}
976	}	1210	}
977		1211
978	cf::attachable->attach (	1212	cf::attachable->attach (
979	prio => -1000000,	1213	prio => -1000000,
980	on_instantiate => sub {	1214	on_instantiate => sub {
981	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
982		1216
983	$data = from_json $data;	1217	$data = decode_json $data;
984		1218
985	for (@$data) {	1219	for (@$data) {
986	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
987		1221
988	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1238	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1006		1240
1007	sync_job {	1241	sync_job {
1008	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1011		1247
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
1016	close $fh;	1255	aio_close $fh;
1017		1256
1018	if (@$objs) {	1257	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
1024	close $fh;	1266	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1268	}
1027	} else {	1269	} else {
1028	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1029	}	1271	}
1030		1272
1031	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1277	} else {
1033	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1034	}	1279	}
1035	} else {	1280	} else {
1036	aio_unlink $filename;	1281	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1038	}	1283	}
1039	}	1284	};
1040	}	1285	}
1041		1286
1042	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1044		1289
…		…
1056	or return;	1301	or return;
1057		1302
1058	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1305	or return;
		1306
1061	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1062	}	1309	}
1063		1310
		1311	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1066	return ($data, $av);	1316	($data, $av)
1067	}	1317	}
1068		1318
1069	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1070		1320
1071	=over 4	1321	=over 4
…		…
1125	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1126		1376
1127	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1128	}	1378	}
1129		1379
		1380	use File::Glob ();
		1381
1130	cf::player->attach (	1382	cf::player->attach (
1131	on_command => sub {	1383	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1133		1385
1134	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1135	or return;	1387	or return;
1136		1388
…		…
1149	my ($type, $reply, @payload) =	1401	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1402	"ARRAY" eq ref $msg
1151	? @$msg	1403	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1405
		1406	my @reply;
		1407
1154	if (my $cb = $EXTCMD{$type}) {	1408	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1409	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1160	} else {	1415	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1417	}
1163		1418
1164	cf::override;	1419	cf::override;
1165	},	1420	},
1166	);	1421	);
1167		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1168	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1169	cf::sync_job {	1439	cf::sync_job {
1170	my %todo;	1440	my %todo;
1171		1441
1172	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1443	next unless -r $path;
…		…
1191		1461
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1464
1195	$ext{source} =	1465	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1198	. $source	1468	. $source
1199	. "\n};\n1";	1469	. "\n};\n1";
1200		1470
1201	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1202	}	1472	}
1203		1473
		1474	my $pass = 0;
1204	my %done;	1475	my %done;
1205	while (%todo) {	1476	while (%todo) {
1206	my $progress;	1477	my $progress;
1207		1478
		1479	++$pass;
		1480
		1481	ext:
1208	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1484	next ext
1211	unless exists $done{$_};	1485	unless exists $done{$_};
1212	}	1486	}
1213		1487
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1489
1216	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1221	warn $msg;	1497
1222	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1499	delete $todo{$k};
1224	}	1500	} else {
1225		1501	$done{$k} = delete $todo{$k};
1226	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1227	}	1507	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1508	}
1233		1509
1234	skip:	1510	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1237	}	1518	}
1238	};	1519	};
1239	}	1520	}
1240		1521
1241	#############################################################################	1522	#############################################################################
1242		1523
1243	=back	1524	=back
1244		1525
1245	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1246		1527
1247	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1248		1529
1249	=cut	1530	=cut
1250		1531
1251	package cf::player;	1532	package cf::player;
1252		1533
1253	use Coro::AIO;	1534	use Coro::AIO;
1254		1535
1255	=head3 cf::player	1536	=head3 cf::player
1256		1537
1257	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1258		1553
1259	=item cf::player::find $login	1554	=item cf::player::find $login
1260		1555
1261	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1262		1557
…		…
1281		1576
1282	sub exists($) {	1577	sub exists($) {
1283	my ($login) = @_;	1578	my ($login) = @_;
1284		1579
1285	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1287	}	1582	}
1288		1583
1289	sub find($) {	1584	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1586	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1597
1303	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1306	}	1607	}
1307	}	1608	}
1308	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1309		1623
1310	sub save($) {	1624	sub save($) {
1311	my ($pl) = @_;	1625	my ($pl) = @_;
1312		1626
1313	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1319		1633
1320	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1322		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1323	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1324	Coro::cede;	1643	cf::cede_to_tick;
1325	}	1644	}
1326		1645
1327	sub new($) {	1646	sub new($) {
1328	my ($login) = @_;	1647	my ($login) = @_;
1329		1648
…		…
1358	my ($pl) = @_;	1677	my ($pl) = @_;
1359		1678
1360	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1361		1680
1362	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1683
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1368	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1369		1692
1370	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1407	or return [];	1730	or return [];
1408		1731
1409	my @logins;	1732	my @logins;
1410		1733
1411	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1415		1744
1416	utf8::decode $login;	1745	utf8::decode $login;
1417	push @logins, $login;	1746	push @logins, $login;
1418	}	1747	}
1419		1748
1420	\@logins	1749	\@logins
1421	}	1750	}
1422		1751
1423	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1424		1755
1425	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1426	player. May block.	1757	player. May block.
1427		1758
1428	=cut	1759	=cut
…		…
1446	}	1777	}
1447		1778
1448	\@paths	1779	\@paths
1449	}	1780	}
1450		1781
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1783
1453	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1785
1501	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1502		1787
1503	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1504		1789
1505	=cut	1790	=cut
1506		1791
1507	sub ext_reply($$@) {	1792	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1793	my ($self, $id, @msg) = @_;
1509		1794
1510	if ($self->ns->extcmd == 2) {	1795	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1796	}
1518		1797
1519	=item $player->ext_msg ($type, @msg)	1798	=item $player->ext_msg ($type, @msg)
1520		1799
1521	Sends an ext event to the client.	1800	Sends an ext event to the client.
…		…
1542		1821
1543	=cut	1822	=cut
1544		1823
1545	sub find_by_path($) {	1824	sub find_by_path($) {
1546	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1547		1828
1548	my ($match, $specificity);	1829	my ($match, $specificity);
1549		1830
1550	for my $region (list) {	1831	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1579		1860
1580	sub generate_random_map {	1861	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1582	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1583	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1595	)
1596	}	1867	}
1597		1868
1598	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1599		1870
1600	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1605		1876
1606	sub register {	1877	sub register {
1607	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1879	my $pkg = caller;
1609		1880
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1882
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1884	}
1615		1885
1616	# also paths starting with '/'	1886	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1888
1619	sub thawer_merge {	1889	sub thawer_merge {
1620	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1621		1891
1622	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1627	}	1897	}
1628		1898
1629	sub normalise {	1899	sub normalise {
1630	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1631		1901
1632	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1633		1903
1634	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1635		1905
1636	# map plan:	1906	# map plan:
1637	#	1907	#
…		…
1652	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1653	$path = "$base/$path";	1923	$path = "$base/$path";
1654	}	1924	}
1655		1925
1656	for ($path) {	1926	for ($path) {
1657	redo if s{//}{/};
1658	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1659	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1660	}	1929	}
1661		1930
1662	$path	1931	$path
…		…
1676	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1677	return $self;	1946	return $self;
1678	}	1947	}
1679	}	1948	}
1680		1949
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	1951	()
1683	}	1952	}
1684		1953
1685	sub init {	1954	sub init {
1686	my ($self) = @_;	1955	my ($self) = @_;
…		…
1708		1977
1709	# the temporary/swap location	1978	# the temporary/swap location
1710	sub save_path {	1979	sub save_path {
1711	my ($self) = @_;	1980	my ($self) = @_;
1712		1981
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1715	}	1984	}
1716		1985
1717	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1718	sub uniq_path {	1987	sub uniq_path {
1719	my ($self) = @_;	1988	my ($self) = @_;
1720		1989
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1992	}
1733		1993
1734	sub decay_objects {	1994	sub decay_objects {
1735	my ($self) = @_;	1995	my ($self) = @_;
1736		1996
…		…
1749		2009
1750	sub load_header_from($) {	2010	sub load_header_from($) {
1751	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1752		2012
1753	utf8::encode $path;	2013	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1759		2022
1760	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1761		2024
1762	1	2025	1
1763	}	2026	}
…		…
1815		2078
1816	sub find;	2079	sub find;
1817	sub find {	2080	sub find {
1818	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1819		2082
		2083	cf::cede_to_tick;
		2084
1820	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1821		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2089
1824	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1827	or return;	2092	or return;
1828		2093
1829	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1830		2095
…		…
1832	or return;	2097	or return;
1833		2098
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1837	$map->reset;	2104	$map->reset;
1838	undef $guard;
1839	return find $path;	2105	return find $path;
1840	}	2106	}
1841		2107
1842	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1843	}	2109	}
1844	}	2110	}
1845		2111
1846	sub pre_load { }	2112	sub pre_load { }
1847	sub post_load { }	2113	#sub post_load { } # XS
1848		2114
1849	sub load {	2115	sub load {
1850	my ($self) = @_;	2116	my ($self) = @_;
1851		2117
1852	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1853		2119
1854	my $path = $self->{path};	2120	my $path = $self->{path};
1855		2121
1856	{	2122	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1858		2124
		2125	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2127
1861	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1862		2129
1863	$self->alloc;	2130	$self->alloc;
1864		2131
1865	$self->pre_load;	2132	$self->pre_load;
1866	Coro::cede;	2133	cf::cede_to_tick;
1867		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1869	or return;	2138	or return;
1870		2139
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1872	if delete $self->{load_original};	2141	if delete $self->{load_original};
1873		2142
1874	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2144	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2147	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1879	}	2151	}
1880	}	2152	}
1881		2153
1882	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1883	# now do the right thing for maps	2157	# now do the right thing for maps
1884	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2160	unless $self->difficulty;
1887	Coro::cede;	2161	cf::cede_to_tick;
1888		2162
1889	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2164	$self->decay_objects;
1891	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1892	$self->update_buttons;	2166	$self->update_buttons;
1893	Coro::cede;	2167	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2168	$self->activate;
1897	}	2169	}
1898		2170
1899	$self->{last_save} = $cf::RUNTIME;	2171	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2172	$self->last_access ($cf::RUNTIME);
1901		2173
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2175	}
1904		2176
1905	$self->post_load;	2177	$self->post_load;
1906	}
1907		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1908	sub customise_for {	2185	sub customise_for {
1909	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1910		2187
1911	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2189	if $self->per_player;
…		…
1928	or next;	2205	or next;
1929	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1930	or next;	2207	or next;
1931	$neigh->load;	2208	$neigh->load;
1932		2209
		2210	# now find the diagonal neighbours
1933	push @neigh,	2211	push @neigh,
1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1936	}	2214	}
1937		2215
…		…
1944	}	2222	}
1945		2223
1946	sub find_sync {	2224	sub find_sync {
1947	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1948		2226
1949	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1950	}	2231	}
1951		2232
1952	sub do_load_sync {	2233	sub do_load_sync {
1953	my ($map) = @_;	2234	my ($map) = @_;
1954		2235
1955	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1956	}	2240	}
1957		2241
1958	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1960		2244
1961	sub find_async {	2245	sub find_async {
1962	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1963		2247
1964	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1965		2249
1966	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2252	}
1969		2253
1970	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1971	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1972	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1973	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1974	if (my $map = find $path) {	2261	if (my $map = find $k) {
1975	$map->load;	2262	$map->load if $v;
1976	}	2263	}
1977		2264
1978	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1979	}	2266	}
1980	}	2267	}
1981	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1982	};	2269	};
1983	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1984		2271
1985	()	2272	()
1986	}	2273	}
1987		2274
		2275	# common code, used by both ->save and ->swapout
1988	sub save {	2276	sub _save {
1989	my ($self) = @_;	2277	my ($self) = @_;
1990
1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
1992		2278
1993	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1994		2280
1995	return unless $self->dirty;	2281	return unless $self->dirty;
1996		2282
…		…
2002	return if $self->{deny_save};	2288	return if $self->{deny_save};
2003		2289
2004	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
2005		2291
2006	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
2007	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
2008	};	2295	};
		2296
		2297	cf::get_slot 0.02;
2009		2298
2010	if ($uniq) {	2299	if ($uniq) {
2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2013	} else {	2302	} else {
2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2015	}	2304	}
2016	}	2305	}
2017		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
2018	sub swap_out {	2315	sub swap_out {
2019	my ($self) = @_;	2316	my ($self) = @_;
2020		2317
2021	# save first because save cedes
2022	$self->save;
2023
2024	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
2025		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
2026	return if $self->players;	2322	return if $self->players;
2027	return if $self->in_memory != cf::MAP_IN_MEMORY;
2028	return if $self->{deny_save};
2029		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
2030	$self->clear;	2333	$self->clear;
2031	$self->in_memory (cf::MAP_SWAPPED);
2032	}	2334	}
2033		2335
2034	sub reset_at {	2336	sub reset_at {
2035	my ($self) = @_;	2337	my ($self) = @_;
2036		2338
…		…
2054		2356
2055	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
2056		2358
2057	return if $self->players;	2359	return if $self->players;
2058		2360
2059	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
2060		2362
2061	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
2062		2364
2063	# need to save uniques path	2365	# need to save uniques path
2064	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
2068	if $uniq;	2370	if $uniq;
2069	}	2371	}
2070		2372
2071	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
2072		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
2073	$self->clear;	2377	$self->clear;
2074
2075	$_->clear_links_to ($self) for values %cf::MAP;
2076		2378
2077	$self->unlink_save;	2379	$self->unlink_save;
2078	$self->destroy;	2380	$self->destroy;
2079	}	2381	}
2080		2382
2081	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
2082		2384
2083	sub nuke {	2385	sub nuke {
2084	my ($self) = @_;	2386	my ($self) = @_;
2085		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2086	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2087		2392
2088	$self->unlink_save;	2393	$self->unlink_save;
2089		2394
2090	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2091	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2092	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2093	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2095		2400
2096	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2097		2403
2098	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2099	}	2405	}
2100		2406
2101	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2143		2449
2144	sub unique_maps() {	2450	sub unique_maps() {
2145	[	2451	[
2146	map {	2452	map {
2147	utf8::decode $_;	2453	utf8::decode $_;
2148	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2149	? normalise $_	2457	: normalise $_
2150	: ()
2151	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2152	]	2459	]
2153	}	2460	}
2154		2461
2155	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
2156		2493
2157	=back	2494	=back
2158		2495
2159	=head3 cf::object	2496	=head3 cf::object
2160		2497
…		…
2164		2501
2165	=over 4	2502	=over 4
2166		2503
2167	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2168		2505
2169	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2170		2508
2171	=cut	2509	=cut
2172		2510
2173	sub inv_recursive_;	2511	sub inv_recursive_;
2174	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2177		2515
2178	sub inv_recursive {	2516	sub inv_recursive {
2179	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2180	}	2518	}
2181		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2182	package cf;	2548	package cf;
2183		2549
2184	=back	2550	=back
2185		2551
2186	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2192	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2193	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
2194	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2195		2561
2196	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2197		2577
2198	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2199	# with dialog boxes.	2579	# with dialog boxes.
2200	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2201	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2213	my $dialog = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2215		2595
2216	} else {	2596	} else {
2217	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2218	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2219	}	2599	}
2220	}	2600	}
2221	}	2601	}
2222		2602
2223	=item $object->send_msg ($channel, $msg, $color, [extra...])	2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2248		2628
2249	=item $player_object->enter_link	2629	=item $player_object->enter_link
2250		2630
2251	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2252		2632
2253	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2254	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2255		2637
2256	Will never block.	2638	Will never block.
2257		2639
2258	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2259		2641
…		…
2279	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2280	my ($self) = @_;	2662	my ($self) = @_;
2281		2663
2282	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2283		2665
		2666	++$self->{_link_recursion};
		2667
2284	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2285		2669
2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2288		2672
2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2290	}	2674	}
2291		2675
2292	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2293	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2294		2678
…		…
2311	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2313		2697
2314	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2317		2701
2318	$map->load;	2702	$map->load;
2319	$map->load_neighbours;	2703	$map->load_neighbours;
2320		2704
2321	return unless $self->contr->active;	2705	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2706
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2326	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2327		2714
		2715	}
		2716
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2329		2718
2330	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2331	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2332	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2333	the new (success) or old (failed) map position. In either case, $done will	2722	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2723	be called at the end of this process.
2335		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
2336	=cut	2728	=cut
2337		2729
2338	our $GOTOGEN;	2730	our $GOTOGEN;
2339		2731
2340	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2341	my ($self, $path, $x, $y, $check, $done) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
2342		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
2343	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2743
2346	$self->enter_link;	2744	$self->enter_link;
2347		2745
2348	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2349	my $map = eval {	2768	my $map = eval {
2350	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2351		2770
2352	if ($map) {	2771	if ($map) {
2353	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2355	} else {	2774	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2776	}
2358		2777
2359	$map	2778	$map
2360	};	2779	};
2361		2780
…		…
2367	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2368	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2369	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2370	}	2789	}
2371		2790
2372	$done->() if $done;	2791	$done->($self) if $done;
2373	})->prio (1);	2792	})->prio (1);
2374	}	2793	}
2375		2794
2376	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2377		2796
…		…
2397	}	2816	}
2398		2817
2399	sub prepare_random_map {	2818	sub prepare_random_map {
2400	my ($exit) = @_;	2819	my ($exit) = @_;
2401		2820
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2823	# that depends on the exit object
2407		2824
2408	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2827	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2415	}	2834	}
2416		2835
2417	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2418		2837
2419	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2422		2841
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2844	undef $fh;
2426	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2427		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2430	}	2853	}
2431	}	2854	}
2432		2855
2433	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2435		2858
2436	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2437		2860
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2861	$self->enter_link;
2450		2862
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2863	(async {
2456	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2457	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2458	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2459		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2460	1;	2887	1
2461	}) {	2888	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2464	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2893
2467	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2468	$self->leave_link;	2895	$self->leave_link;
2469	}	2896	}
2470	})->prio (1);	2897	})->prio (1);
2471	}	2898	}
2472		2899
…		…
2484	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
2486		2913
2487	utf8::encode $text;	2914	utf8::encode $text;
2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2916	}
		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
2489	}	2941	}
2490		2942
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2944
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2497		2949
2498	=cut	2950	=cut
2499		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
2500	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2502		3068
2503	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
2504		3071
2505	$color &= cf::NDI_CLIENT_MASK; # just in case...	3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
2507	if (ref $channel) {	3081	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	3082	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	3083	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	3084	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_msg (channel_info => $channel);	3085	$self->ext_msg (channel_info => $channel);
2512	}	3086	}
…		…
2514	$channel = $channel->{id};	3088	$channel = $channel->{id};
2515	}	3089	}
2516		3090
2517	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2518		3092
2519	if ($self->can_msg) {
2520	# default colour, mask it out	3093	# default colour, mask it out
2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2522	if $color & cf::NDI_DEF;	3095	if $color & cf::NDI_DEF;
2523		3096
2524	$self->send_packet ("msg " . $self->{json_coder}->encode (	3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2526	} else {	3100	);
2527	if ($color >= 0) {
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		3101
2538	$color &= cf::NDI_COLOR_MASK;	3102	$self->send_big_packet ($pkt);
2539
2540	utf8::encode $msg;
2541
2542	if (0 && $msg =~ /\[/) {
2543	# COMMAND/INFO
2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
2545	} else {
2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2547	$self->send_packet ("drawinfo $color $msg")
2548	}
2549	}
2550	}
2551	}	3103	}
2552		3104
2553	=item $client->ext_msg ($type, @msg)	3105	=item $client->ext_msg ($type, @msg)
2554		3106
2555	Sends an ext event to the client.	3107	Sends an ext event to the client.
…		…
2557	=cut	3109	=cut
2558		3110
2559	sub cf::client::ext_msg($$@) {	3111	sub cf::client::ext_msg($$@) {
2560	my ($self, $type, @msg) = @_;	3112	my ($self, $type, @msg) = @_;
2561		3113
2562	my $extcmd = $self->extcmd;
2563
2564	if ($extcmd == 2) {	3114	if ($self->extcmd == 2) {
2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566	} elsif ($extcmd == 1) { # TODO: remove	3116	} elsif ($self->extcmd == 1) { # TODO: remove
2567	push @msg, msgtype => "event_$type";	3117	push @msg, msgtype => "event_$type";
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569	}	3137	}
2570	}	3138	}
2571		3139
2572	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2573		3141
…		…
2634	my ($type, $reply, @payload) =	3202	my ($type, $reply, @payload) =
2635	"ARRAY" eq ref $msg	3203	"ARRAY" eq ref $msg
2636	? @$msg	3204	? @$msg
2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638		3206
		3207	my @reply;
		3208
2639	if (my $cb = $EXTICMD{$type}) {	3209	if (my $cb = $EXTICMD{$type}) {
2640	my @reply = $cb->($ns, @payload);	3210	@reply = $cb->($ns, @payload);
2641
2642	$ns->ext_reply ($reply, @reply)
2643	if $reply;
2644	}	3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
2645	} else {	3216	} else {
2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647	}	3218	}
2648		3219
2649	cf::override;	3220	cf::override;
2650	},	3221	},
2651	);	3222	);
…		…
2671		3242
2672	$coro	3243	$coro
2673	}	3244	}
2674		3245
2675	cf::client->attach (	3246	cf::client->attach (
2676	on_destroy => sub {	3247	on_client_destroy => sub {
2677	my ($ns) = @_;	3248	my ($ns) = @_;
2678		3249
2679	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2680	},	3251	},
2681	);	3252	);
…		…
2697	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2698		3269
2699	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2700		3271
2701	$safe->permit_only (Opcode::opset qw(	3272	$safe->permit_only (Opcode::opset qw(
2702	:base_core :base_mem :base_orig :base_math	3273	:base_core :base_mem :base_orig :base_math :base_loop
2703	grepstart grepwhile mapstart mapwhile	3274	grepstart grepwhile mapstart mapwhile
2704	sort time	3275	sort time
2705	));	3276	));
2706		3277
2707	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
…		…
2709	=pod	3280	=pod
2710		3281
2711	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2712		3283
2713	cf::object	3284	cf::object
2714	contr pay_amount pay_player map x y force_find force_add	3285	contr pay_amount pay_player map x y force_find force_add destroy
2715	insert remove name archname title slaying race	3286	insert remove name archname title slaying race decrease split
		3287	value
2716		3288
2717	cf::object::player	3289	cf::object::player
2718	player	3290	player
2719		3291
2720	cf::player	3292	cf::player
…		…
2725		3297
2726	=cut	3298	=cut
2727		3299
2728	for (	3300	for (
2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730	insert remove inv name archname title slaying race)],	3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2731	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2732	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2733	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2734	) {	3307	) {
2735	no strict 'refs';
2736	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2737	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2738	for @funs;	3310	for @funs;
2739	}	3311	}
2740		3312
…		…
2755		3327
2756	my $qcode = $code;	3328	my $qcode = $code;
2757	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2758	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2759		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2760	local $_;	3335	local $_;
2761	local @safe::cf::_safe_eval_args = values %vars;
2762		3336
2763	my $eval =	3337	my $eval =
2764	"do {\n"	3338	"do {\n"
2765	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2766	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2767	. $code	3341	. $code
2768	. "\n}"	3342	. "\n}"
2769	;	3343	;
2770		3344
		3345	if ($CFG{safe_eval}) {
2771	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2772	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2773	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2774		3354
2775	if ($@) {	3355	if ($@) {
2776	warn "$@";	3356	warn "$@",
2777	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2778	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2779	}	3359	}
2780		3360
2781	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2782	}	3362	}
2783		3363
…		…
2797	=cut	3377	=cut
2798		3378
2799	sub register_script_function {	3379	sub register_script_function {
2800	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2801		3381
2802	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2803	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2804	}	3384	}
2805		3385
2806	=back	3386	=back
2807		3387
2808	=cut	3388	=cut
…		…
2811	# the server's init and main functions	3391	# the server's init and main functions
2812		3392
2813	sub load_facedata($) {	3393	sub load_facedata($) {
2814	my ($path) = @_;	3394	my ($path) = @_;
2815		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
2816	my $enc = JSON::XS->new->utf8->canonical;	3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2817		3401
2818	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2819		3403
2820	my $facedata;
2821	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2822	or die "$path: $!";	3405	or die "$path: $!";
2823		3406
2824	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2825		3408
2826	$facedata->{version} == 2	3409	$facedata->{version} == 2
2827	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2828		3411
2829	# patch in the exptable	3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2830	$facedata->{resource}{"res/exp_table"} = {	3414	$facedata->{resource}{"res/exp_table"} = {
2831	type => FT_RSRC,	3415	type => FT_RSRC,
2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
2833	};	3418	};
2834	cf::cede_to_tick;	3419	cf::cede_to_tick;
2835		3420
2836	{	3421	{
2837	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2838		3423
2839	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2841	cf::face::set_visibility $idx, $info->{visibility};	3427	cf::face::set_visibility $idx, $info->{visibility};
2842	cf::face::set_magicmap $idx, $info->{magicmap};	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2845		3432
2846	cf::cede_to_tick;	3433	cf::cede_to_tick;
2847	}	3434	}
2848		3435
2849	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2850	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2851	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2852	or next;	3440	or next;
		3441
2853	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
2854	cf::face::set_smooth $idx, $smooth;	3443	cf::face::set_smooth $idx, $smooth;
2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2856	} else {	3445	} else {
2857	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2858	}	3447	}
2859		3448
2860	cf::cede_to_tick;	3449	cf::cede_to_tick;
2861	}	3450	}
2862	}	3451	}
…		…
2871		3460
2872	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2873	}	3462	}
2874		3463
2875	{	3464	{
2876	# TODO: for gcfclient pleasure, we should give resources
2877	# that gcfclient doesn't grok a >10000 face index.
2878	my $res = $facedata->{resource};	3465	my $res = $facedata->{resource};
2879		3466
2880	my $soundconf = delete $res->{"res/sound.conf"};
2881
2882	while (my ($name, $info) = each %$res) {	3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2884	my $data;
2885		3470
2886	if ($info->{type} & 1) {	3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2887	# prepend meta info	3472	cf::face::set_type $idx, $info->{type};
2888		3473	} else {
2889	my $meta = $enc->encode ({	3474	$RESOURCE{$name} = $info; # unused
2890	name => $name,
2891	%{ $info->{meta} || {} },
2892	});
2893
2894	$data = pack "(w/a*)*", $meta, $info->{data};
2895	}	3475	}
2896		3476
2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2898	cf::face::set_type $idx, $info->{type};
2899
2900	cf::cede_to_tick;	3477	cf::cede_to_tick;
2901	}	3478	}
2902
2903	if ($soundconf) {
2904	$soundconf = $enc->decode (delete $soundconf->{data});
2905
2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2907	my $sound = $soundconf->{compat}[$_]
2908	or next;
2909
2910	my $face = cf::face::find "sound/$sound->[1]";
2911	cf::sound::set $sound->[0] => $face;
2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2913	}
2914
2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
2916	my $face = cf::face::find "sound/$v";
2917	cf::sound::set $k => $face;
2918	}
2919	}
2920	}	3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2921		3482
2922	1	3483	1
2923	}	3484	}
2924		3485
2925	register_exticmd fx_want => sub {	3486	register_exticmd fx_want => sub {
…		…
2928	while (my ($k, $v) = each %$want) {	3489	while (my ($k, $v) = each %$want) {
2929	$ns->fx_want ($k, $v);	3490	$ns->fx_want ($k, $v);
2930	}	3491	}
2931	};	3492	};
2932		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2933	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2934	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2935	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
2936		3511
2937	for (cf::region::list) {	3512	for (cf::region::list) {
2938	$_->{match} = qr/$_->{match}/	3513	$_->{match} = qr/$_->{match}/
…		…
2946	}	3521	}
2947		3522
2948	sub reload_archetypes {	3523	sub reload_archetypes {
2949	load_resource_file "$DATADIR/archetypes"	3524	load_resource_file "$DATADIR/archetypes"
2950	or die "unable to load archetypes\n";	3525	or die "unable to load archetypes\n";
2951	#d# NEED to laod twice to resolve forward references
2952	# this really needs to be done in an extra post-pass
2953	# (which needs to be synchronous, so solve it differently)
2954	load_resource_file "$DATADIR/archetypes"
2955	or die "unable to load archetypes\n";
2956	}	3526	}
2957		3527
2958	sub reload_treasures {	3528	sub reload_treasures {
2959	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2960	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2961	}	3531	}
2962		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2963	sub reload_resources {	3556	sub reload_resources {
2964	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2965		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2966	reload_regions;	3564	reload_regions;
2967	reload_facedata;
2968	#reload_archetypes;#d#
2969	reload_archetypes;
2970	reload_treasures;	3565	reload_treasures;
2971		3566
2972	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2973	}	3568	}
2974		3569
2975	sub init {	3570	sub reload_config {
2976	reload_resources;	3571	trace "reloading config file...\n";
2977	}
2978		3572
2979	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2980	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2981	or return;
2982		3575
2983	local $/;	3576	utf8::decode $config;
2984	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2985		3578
2986	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2987		3580
2988	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2989	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2990		3583
2991	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2995	};	3588	};
2996	warn $@ if $@;	3589	warn $@ if $@;
2997	}	3590	}
2998	}	3591	}
2999		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
3000	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
3001	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
3002	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
3003	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3004	(async {	3634	(async {
3005	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
3006	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
3007	};	3638	};
3008		3639
3009	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
3010	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
3011	load_extensions;	3663	load_extensions;
3012		3664
3013	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
3014	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
3015	}	3683	}
3016		3684
3017	#############################################################################	3685	#############################################################################
3018	# initialisation and cleanup	3686	# initialisation and cleanup
3019		3687
3020	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
3021	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
3022	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
3023	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3024	reentrant => 0,
3025	data => WF_AUTOCANCEL,
3026	signal => $signal,
3027	prio => 0,
3028	cb => sub {
3029	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
3030	},
3031	);	3694	};
3032	}	3695	}
3033	}	3696	}
3034		3697
3035	sub write_runtime {	3698	sub write_runtime_sync {
3036	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
3037		3700
3038	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
3039	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
3040		3703
3041	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3042		3705
3043	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
3044		3707
3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3046	or return;	3709	or return;
3047		3710
3048	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
3049	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
3050	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
3060	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
3061		3724
3062	close $fh	3725	close $fh
3063	or return;	3726	or return;
3064		3727
3065	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3066	and return;	3729	and return;
3067		3730
3068	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3069		3732
3070	1	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
3071	}	3784	}
3072		3785
3073	sub emergency_save() {	3786	sub emergency_save() {
3074	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
3075		3788
3076	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
3077		3795
3078	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
3079	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
3080	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
3081	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
3082	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
3083	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
3084	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
3085	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3086	$pl->save;	3807	$pl->save;
3087	}	3808	}
3088	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
3089		3810
3090	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
3091	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
3092	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
3093	$map->valid or next;	3816	$map->valid or next;
3094	$map->save;	3817	$map->save;
3095	}	3818	}
3096	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
3097		3820
3098	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
3099	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
3100	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
3101	};	3849	};
3102		3850
3103	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
3104	}	3852	}
3105		3853
3106	sub post_cleanup {	3854	sub post_cleanup {
3107	my ($make_core) = @_;	3855	my ($make_core) = @_;
3108		3856
		3857	IO::AIO::flush;
		3858
3109	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
3110	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
3111	}	3889	}
3112		3890
3113	sub do_reload_perl() {	3891	sub do_reload_perl() {
3114	# can/must only be called in main	3892	# can/must only be called in main
3115	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
3116	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
3117	return;	3895	return;
3118	}	3896	}
3119		3897
3120	warn "reloading...";	3898	return if $RELOAD++;
3121		3899
3122	warn "entering sync_job";	3900	my $t1 = AE::time;
3123		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
3124	cf::sync_job {	3908	cf::sync_job {
3125	cf::write_runtime; # external watchdog should not bark
3126	cf::emergency_save;	3909	#cf::emergency_save;
3127	cf::write_runtime; # external watchdog should not bark
3128		3910
3129	warn "syncing database to disk";
3130	BDB::db_env_txn_checkpoint $DB_ENV;
3131
3132	# if anything goes wrong in here, we should simply crash as we already saved
3133
3134	warn "cancelling all WF_AUTOCANCEL watchers";
3135	for (Event::all_watchers) {
3136	$_->cancel if $_->data & WF_AUTOCANCEL;
3137	}
3138
3139	warn "flushing outstanding aio requests";
3140	for (;;) {
3141	BDB::flush;
3142	IO::AIO::flush;
3143	Coro::cede;
3144	last unless IO::AIO::nreqs || BDB::nreqs;
3145	warn "iterate...";
3146	}
3147
3148	++$RELOAD;
3149
3150	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
3151	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
3152	%EXT_CORO = ();	3913	%EXT_CORO = ();
3153		3914
3154	warn "removing commands";	3915	trace "perl_reload: removing commands";
3155	%COMMAND = ();	3916	%COMMAND = ();
3156		3917
3157	warn "removing ext/exti commands";	3918	trace "perl_reload: removing ext/exti commands";
3158	%EXTCMD = ();	3919	%EXTCMD = ();
3159	%EXTICMD = ();	3920	%EXTICMD = ();
3160		3921
3161	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
3162	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
3163	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
3164		3925
3165	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
3166	eval {	3927	eval {
3167	$cb->($pkg);	3928	$cb->($pkg);
3168	1	3929	1
3169	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
3170	}	3935	}
3171		3936
3172	warn "... nuking $pkg";
3173	Symbol::delete_package $pkg;
3174	}
3175
3176	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3177	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
3178	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3179		3940
3180	warn "... unloading $k";	3941	trace "... unloading $k";
3181	delete $INC{$k};	3942	delete $INC{$k};
3182		3943
3183	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
3184	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
3185		3946
3186	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
3187	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
3188	}	3952	}
3189		3953
3190	Symbol::delete_package $k;
3191	}
3192
3193	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
3194	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3196		3957
3197	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
3198	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
3199	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3200		3961
3201	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
3202	# and global variables created in xs	3963	# and global variables created in xs
3203	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
3204		3965
3205	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
3206		3967
3207	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
3208	require cf;	3969	require cf;
3209	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
3210		3971
3211	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
3212	cf::cfg_load;	3973	cf::reload_config;
3213		3974
3214	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
3215	cf::load_extensions;	3976	cf::load_extensions;
3216		3977
		3978	if ($REATTACH_ON_RELOAD) {
3217	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
3218	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
3219	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
3220	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
3221	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
3222	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
3223		3986
3224	warn "leaving sync_job";	3987	cf::_post_init 1;
3225		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
3226	1	3991	1
3227	} or do {	3992	} or do {
3228	warn $@;	3993	error $@;
3229	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
3230	exit 1;	3995	};
		3996
		3997	--$RELOAD;
3231	};	3998	}
3232		3999
3233	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
3234	};	4002	};
3235		4003
3236	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
3237		4005
3238	sub reload_perl() {	4006	sub reload_perl() {
3239	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
3240	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
3241		4009
3242	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
3243	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
3244	after => 0,	4012
3245	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3246	cb => sub {
3247	do_reload_perl;	4014	do_reload_perl;
3248	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
3249	},	4016	};
3250	);	4017	};
3251	}	4018	}
3252		4019
3253	register_command "reload" => sub {	4020	register_command "reload" => sub {
3254	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
3255		4022
3256	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
3257	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
3258	async { reload_perl };	4027	reload_perl;
		4028	};
3259	}	4029	}
3260	};	4030	};
3261		4031
3262	unshift @INC, $LIBDIR;	4032	#############################################################################
3263		4033
3264	my $bug_warning = 0;	4034	my $bug_warning = 0;
3265		4035
3266	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
3267	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
3268		4038
3269	sub wait_for_tick {	4039	sub wait_for_tick() {
3270	return unless $TICK_WATCHER->is_active;
3271	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3272		4041
3273	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
3274	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
3275	$signal->wait;	4044	$signal->wait;
3276	}	4045	}
3277		4046
3278	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
3279	return unless $TICK_WATCHER->is_active;
3280	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3281		4049
3282	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
3283	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
3284	$signal->wait;	4052	$signal->wait;
3285	}	4053	}
3286		4054
3287	my $min = 1e6;#d#	4055	sub tick {
3288	my $avg = 10;
3289	$TICK_WATCHER = Event->timer (
3290	reentrant => 0,
3291	parked => 1,
3292	prio => 0,
3293	at => $NEXT_TICK || $TICK,
3294	data => WF_AUTOCANCEL,
3295	cb => sub {
3296	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3298	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
3299	return;	4059	return;
3300	}	4060	}
3301		4061
3302	$NOW = $tick_start = Event::time;
3303
3304	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
3305		4063
3306	0 && sync_job {#d#	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3307	for(1..10) {
3308	my $t = Event::time;
3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3310	or die;
3311		4065
3312	$map->width (50);	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3313	$map->height (50);	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3314	$map->alloc;	4068	Coro::async_pool {
3315	$map->_load_objects ("/tmp/x.map", 1);	4069	$Coro::current->{desc} = "runtime saver";
3316	my $t = Event::time - $t;	4070	write_runtime_sync
3317		4071	or error "ERROR: unable to write runtime file: $!";
3318	#next unless $t < 0.0013;#d#
3319	if ($t < $min) {
3320	$min = $t;
3321	}
3322	$avg = $avg * 0.99 + $t * 0.01;
3323	}
3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3325	exit 0;
3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3327	};	4072	};
		4073	}
3328		4074
3329	$RUNTIME += $TICK;
3330	$NEXT_TICK += $TICK;
3331
3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
3334	Coro::async_pool {
3335	write_runtime
3336	or warn "ERROR: unable to write runtime file: $!";
3337	};
3338	}
3339
3340	# my $AFTER = Event::time;
3341	# warn $AFTER - $NOW;#d#
3342
3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3344	$sig->send;	4076	$sig->send;
3345	}	4077	}
3346	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
3347	$sig->send;	4079	$sig->send;
3348	}	4080	}
3349		4081
3350	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
3351
3352	# if we are delayed by four ticks or more, skip them all
3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3354
3355	$TICK_WATCHER->at ($NEXT_TICK);
3356	$TICK_WATCHER->start;
3357
3358	$LOAD = ($NOW - $tick_start) / $TICK;
3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3360		4084
3361	_post_tick;	4085	if (0) {
3362		4086	if ($NEXT_TICK) {
3363		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
3364	},	4091	}
3365	);	4092	}
3366		4093
3367	{	4094	{
3368	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
3369	$BDB_POLL_WATCHER = Event->io (	4096
3370	reentrant => 0,
3371	fd => BDB::poll_fileno,
3372	poll => 'r',
3373	prio => 0,
3374	data => WF_AUTOCANCEL,
3375	cb => \&BDB::poll_cb,
3376	);
3377	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3378		4098	BDB::max_poll_reqs $TICK * 0.1;
3379	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
3380	my $status;
3381	my $current = $Coro::current;
3382	(
3383	sub {
3384	$status = $!;
3385	$current->ready; undef $current;
3386	},
3387	sub {
3388	Coro::schedule while defined $current;
3389	$! = $status;
3390	},
3391	)
3392	};
3393		4100
3394	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3395	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3396		4108
3397	cf::sync_job {	4109	cf::sync_job {
3398	eval {	4110	eval {
3399	BDB::db_env_open	4111	BDB::db_env_open
3400	$DB_ENV,	4112	$DB_ENV,
…		…
3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3404	0666;	4116	0666;
3405		4117
3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3407
3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3409	$DB_ENV->set_lk_detect;
3410	};	4119	};
3411		4120
3412	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
3413	};	4122	};
3414	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
3415	}	4134	}
3416		4135
3417	{	4136	{
		4137	# configure IO::AIO
		4138
3418	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3419
3420	undef $Coro::AIO::WATCHER;
3421	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3422	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
3423	reentrant => 0,
3424	data => WF_AUTOCANCEL,
3425	fd => IO::AIO::poll_fileno,
3426	poll => 'r',
3427	prio => 6,
3428	cb => \&IO::AIO::poll_cb,
3429	);
3430	}	4142	}
3431		4143
3432	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3433		4146
3434	sub _log_backtrace {	4147	sub _log_backtrace {
3435	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3436		4149
3437	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3438		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3439	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3440	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3441	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3442	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
3443	my @bt = fork_call {	4163	my @bt = fork_call {
3444	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3447	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
3455	}	4175	}
3456		4176
3457	@funcs	4177	@funcs
3458	};	4178	};
3459		4179
3460	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3461	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3462	--$_log_backtrace;	4183	--$_log_backtrace;
3463	};	4184	};
3464	} else {	4185	} else {
3465	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3466	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3467	}	4188	}
3468	}	4189	}
3469		4190
3470	# load additional modules	4191	# load additional modules
3471	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3472		4194
3473	END { cf::emergency_save }	4195	END { cf::emergency_save }
3474		4196
3475	1	4197	1
3476		4198

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