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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.336 by root, Tue Aug 21 00:31:18 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 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;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		132
87	our %CFG;	133	our %CFG;
88		134
89	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
91		138
92	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
95		142
96	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		145
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
102		155
103	binmode STDOUT;	156	binmode STDOUT;
104	binmode STDERR;	157	binmode STDERR;
105		158
106	# read virtual server time, if available	159	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
111	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
112		167
113	mkdir $_	168	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		170
116	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
117		172
118	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		189
120	#############################################################################	190	#############################################################################
121		191
122	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
123		193
…		…
159		229
160	The raw value load value from the last tick.	230	The raw value load value from the last tick.
161		231
162	=item %cf::CFG	232	=item %cf::CFG
163		233
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	235	from wherever your confdir points to.
166		236
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		238
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	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	240	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.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
173	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
174		249
175	This array contains the results of the last C<invoke ()> call. When	250	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	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	252	that call.
178		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
179	=back	260	=back
180		261
181	=cut	262	=cut
182		263
183	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	271	my $msg = join "", @_;
186		272
187	$msg .= "\n"	273	$msg .= "\n"
188	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
189		275
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		277
192	utf8::encode $msg;
193	LOG llevError, $msg;	278	LOG llevWarn, $msg;
194	};	279	};
195	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
196		294
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	305	for my $pkg (qw(
208	cf::global cf::attachable	306	cf::global cf::attachable
209	cf::object cf::object::player	307	cf::object cf::object::player
210	cf::client cf::player	308	cf::client cf::player
211	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
212	cf::map cf::party cf::region	311	cf::party cf::region
213	)) {	312	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	314	}
217		315
218	$Event::DIED = sub {	316	$EV::DIED = sub {
219	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
220	};	318	};
221		319
222	#############################################################################	320	#############################################################################
223		321
224	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	345	$d
248	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
249	}	347	}
250		348
251	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
252		350
253	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
254		352
255	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
256		354
257	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
258		356
259	=cut	357	=cut
260		358
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		360
263	sub to_json ($) { $json_coder->encode ($_[0]) }	361	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
265		406
266	=item cf::lock_wait $string	407	=item cf::lock_wait $string
267		408
268	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
269		410
270	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
271		412
272	Wait until the given lock is available and then acquires it and returns	413	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,	414	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	415	for example when the coroutine gets canceled), the lock is automatically
275	returned.	416	returned.
276		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
277	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
279		423
280	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
281		425
282	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
283		427
284	=cut	428	=cut
285		429
286	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
287		431
288	sub lock_wait($) {	432	sub lock_wait($) {
289	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	434	}
297		435
298	sub lock_acquire($) {	436	sub lock_acquire($) {
299	my ($key) = @_;	437	$LOCKS->guard ($_[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	}	438	}
311		439
312	sub lock_active($) {	440	sub lock_active($) {
313	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	442	}
317		443
318	sub freeze_mainloop {	444	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
320		446
321	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	448	}
323	};	449
324	$TICK_WATCHER->stop;	450	=item cf::periodic $interval, $cb
325	$guard	451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
326	}	463	}
327		464
328	=item cf::get_slot $time[, $priority[, $name]]	465	=item cf::get_slot $time[, $priority[, $name]]
329		466
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		475
339	=cut	476	=cut
340		477
341	our @SLOT_QUEUE;	478	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
343		481
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
346	my $signal = new Coro::Signal;	486	my $signal = new Coro::Signal;
		487	my $busy;
347		488
348	while () {	489	while () {
349	next_job:	490	next_job:
		491
350	my $avail = cf::till_tick;	492	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	493
352	for (0 .. $#SLOT_QUEUE) {	494	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	497	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	498	$job->[2]->send;
356	Coro::cede;	499	Coro::cede;
357	goto next_job;	500	goto next_job;
358	}	501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	503	}
360	}	504	}
361		505
362	if (@SLOT_QUEUE) {	506	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	508	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	509	$signal->wait;
366	} else {	510	} else {
		511	$busy = 0;
367	Coro::schedule;	512	Coro::schedule;
368	}	513	}
369	}	514	}
370	};	515	};
371		516
372	sub get_slot($;$$) {	517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
373	my ($time, $pri, $name) = @_;	520	my ($time, $pri, $name) = @_;
374		521
375	$time = $TICK * .6 if $time > $TICK * .6;	522	$time = clamp $time, 0.01, $TICK * .6;
		523
376	my $sig = new Coro::Signal;	524	my $sig = new Coro::Signal;
377		525
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	528	$SLOT_QUEUE->ready;
…		…
391		539
392	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
393		541
394	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
395		543
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	544	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	545	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	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	547	acceptable.
400		548
401	If it must be done, put the blocking parts into C<sync_job>. This will run	549	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	550	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	554	=cut
407		555
408	sub sync_job(&) {	556	sub sync_job(&) {
409	my ($job) = @_;	557	my ($job) = @_;
410		558
411	if ($Coro::current == $Coro::main) {	559	if (in_main) {
412	my $time = Event::time;	560	my $time = AE::time;
413		561
414	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
416		564
417	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	566
419	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
420		568
421	my $busy = 1;	569	my $busy = 1;
422	my @res;	570	my @res;
423		571
424	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	574	@res = eval { $job->() };
426	warn $@ if $@;	575	error $@ if $@;
427	undef $busy;	576	undef $busy;
428	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
429		578
430	while ($busy) {	579	while ($busy) {
431	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
432	}	584	}
		585	}
433		586
434	$time = Event::time - $time;	587	my $time = AE::time - $time;
435		588
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	589	$TICK_START += $time; # do not account sync jobs to server load
440		590
441	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
442	} else {	592	} else {
443	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
444		594
…		…
464	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
465		615
466	$coro	616	$coro
467	}	617	}
468		618
469	=item fork_call { }, $args	619	=item fork_call { }, @args
470		620
471	Executes the given code block with the given arguments in a seperate	621	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	622	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	623	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	624	never block itself or use any form of event handling.
475		625
476	=cut	626	=cut
		627
		628	sub post_fork {
		629	reset_signals;
		630	}
477		631
478	sub fork_call(&@) {	632	sub fork_call(&@) {
479	my ($cb, @args) = @_;	633	my ($cb, @args) = @_;
480		634
481	# we seemingly have to make a local copy of the whole thing,	635	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	636	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	637	# TODO: investigate and fix (likely this will be rather laborious)
484		638
485	my @res = Coro::Util::fork_eval {	639	my @res = Coro::Util::fork_eval {
486	reset_signals;	640	cf::post_fork;
487	&$cb	641	&$cb
488	}, @args;	642	} @args;
489		643
490	wantarray ? @res : $res[-1]	644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
		648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
491	}	683	}
492		684
493	=item $value = cf::db_get $family => $key	685	=item $value = cf::db_get $family => $key
494		686
495	Returns a single value from the environment database.	687	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	689	=item cf::db_put $family => $key => $value
498		690
499	Stores the given C<$value> in the family. It can currently store binary	691	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).	692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
502	=cut	699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
503		720
504	our $DB;	721	our $DB;
505		722
506	sub db_init {	723	sub db_init {
507	unless ($DB) {	724	$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	}	725	}
522		726
523	sub db_get($$) {	727	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	728	my $key = "$_[0]/$_[1]";
525		729
526	cf::sync_job {	730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
527	BDB::db_get $DB, undef, $key, my $data;	733	BDB::db_get $DB, undef, $key, my $data;
528		734
529	$! ? ()	735	$! ? ()
530	: $data	736	: $data
531	}
532	}	737	}
533		738
534	sub db_put($$$) {	739	sub db_put($$$) {
535	BDB::dbreq_pri 4;	740	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	780	if (1) {
576	$md5 =	781	$md5 =
577	join "\x00",	782	join "\x00",
578	$processversion,	783	$processversion,
579	map {	784	map {
580	Coro::cede;	785	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	786	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	787	} 0.. $#$src;
583		788
584		789
585	my $dbmd5 = db_get cache => "$id/md5";	790	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		797
593	my $t1 = Time::HiRes::time;	798	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	799	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	800	my $t2 = Time::HiRes::time;
596		801
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		803
599	db_put cache => "$id/data", $data;	804	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	805	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	806	db_put cache => "$id/meta", $meta;
602		807
…		…
612		817
613	=cut	818	=cut
614		819
615	sub datalog($@) {	820	sub datalog($@) {
616	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	823	}
619		824
620	=back	825	=back
621		826
622	=cut	827	=cut
623		828
624	#############################################################################	829	#############################################################################
625		830
626	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
627		832
628	Many objects in crossfire are so-called attachable objects. That means you can	833	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")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
631		836
632	In the following description, CLASS can be any of C<global>, C<object>	837	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	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	839	Deliantra).
635		840
636	=over 4	841	=over 4
637		842
638	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
639		844
…		…
683	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
684		889
685	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
687		892
688	Some classes such as crossfire maps and objects can specify attachments	893	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.	894	that are attached at load/instantiate time, thus the need for a name.
690		895
691	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
692		897
693	=over 4	898	=over 4
…		…
817		1022
818	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1025
821	} elsif (ref $type) {	1026	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
823		1028
824	} else {	1029	} else {
825	shift @arg;	1030	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
827	}	1032	}
828	}	1033	}
829	}	1034	}
830		1035
831	sub _object_attach {	1036	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
842	}	1047	}
843		1048
844	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
845	} else {	1050	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1052	}
848		1053
849	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
850	}	1055	}
851		1056
…		…
910		1115
911	for (@$callbacks) {	1116	for (@$callbacks) {
912	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
913		1118
914	if ($@) {	1119	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1121	override;
918	}	1122	}
919		1123
920	return 1 if $override;	1124	return 1 if $override;
921	}	1125	}
922		1126
923	0	1127	0
924	}	1128	}
925		1129
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1131
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1133
930	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
931		1135
…		…
937		1141
938	=cut	1142	=cut
939		1143
940	#############################################################################	1144	#############################################################################
941	# object support	1145	# object support
942	#
943		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
944	sub _can_merge {	1180	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1181	my ($ob1, $ob2) = @_;
946		1182
947	local $Storable::canonical = 1;	1183	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1184
951	$fob1 eq $fob2	1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
952	}	1187	}
953		1188
954	sub reattach {	1189	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1191	my ($obj) = @_;
957		1192
		1193	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1195
960	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
961		1197
962	@$registry = ();	1198	@$registry = ();
963		1199
…		…
968	for (@$attach) {	1204	for (@$attach) {
969	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
971	}	1207	}
972	} else {	1208	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1210	}
975	}	1211	}
976	}	1212	}
977		1213
978	cf::attachable->attach (	1214	cf::attachable->attach (
979	prio => -1000000,	1215	prio => -1000000,
980	on_instantiate => sub {	1216	on_instantiate => sub {
981	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
982		1218
983	$data = from_json $data;	1219	$data = decode_json $data;
984		1220
985	for (@$data) {	1221	for (@$data) {
986	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
987		1223
988	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1240	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
1006		1242
1007	sync_job {	1243	sync_job {
1008	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
1011		1249
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
1016	close $fh;	1257	aio_close $fh;
1017		1258
1018	if (@$objs) {	1259	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
1024	close $fh;	1268	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1270	}
1027	} else {	1271	} else {
1028	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
1029	}	1273	}
1030		1274
1031	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1279	} else {
1033	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
1034	}	1281	}
1035	} else {	1282	} else {
1036	aio_unlink $filename;	1283	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
1038	}	1285	}
1039	}	1286	};
1040	}	1287	}
1041		1288
1042	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
1044		1291
…		…
1056	or return;	1303	or return;
1057		1304
1058	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1307	or return;
		1308
1061	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
1062	}	1311	}
1063		1312
		1313	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
1066	return ($data, $av);	1318	($data, $av)
1067	}	1319	}
1068		1320
1069	=head2 COMMAND CALLBACKS	1321	=head2 COMMAND CALLBACKS
1070		1322
1071	=over 4	1323	=over 4
…		…
1125	my ($name, $cb) = @_;	1377	my ($name, $cb) = @_;
1126		1378
1127	$EXTICMD{$name} = $cb;	1379	$EXTICMD{$name} = $cb;
1128	}	1380	}
1129		1381
		1382	use File::Glob ();
		1383
1130	cf::player->attach (	1384	cf::player->attach (
1131	on_command => sub {	1385	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
1133		1387
1134	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
1135	or return;	1389	or return;
1136		1390
…		…
1149	my ($type, $reply, @payload) =	1403	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1404	"ARRAY" eq ref $msg
1151	? @$msg	1405	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1407
		1408	my @reply;
		1409
1154	if (my $cb = $EXTCMD{$type}) {	1410	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1411	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
1160	} else {	1417	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1419	}
1163		1420
1164	cf::override;	1421	cf::override;
1165	},	1422	},
1166	);	1423	);
1167		1424
		1425	# "readahead" all extensions
		1426	sub cache_extensions {
		1427	my $grp = IO::AIO::aio_group;
		1428
		1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1430	for (grep /\.ext$/, @{$_[0]}) {
		1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1432	}
		1433	};
		1434
		1435	$grp
		1436	}
		1437
1168	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
1169	cf::sync_job {	1441	cf::sync_job {
1170	my %todo;	1442	my %todo;
1171		1443
1172	for my $path (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1445	next unless -r $path;
…		…
1191		1463
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1466
1195	$ext{source} =	1467	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1468	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1469	. "#line 1 \"$path\"\n{\n"
1198	. $source	1470	. $source
1199	. "\n};\n1";	1471	. "\n};\n1";
1200		1472
1201	$todo{$base} = \%ext;	1473	$todo{$base} = \%ext;
1202	}	1474	}
1203		1475
		1476	my $pass = 0;
1204	my %done;	1477	my %done;
1205	while (%todo) {	1478	while (%todo) {
1206	my $progress;	1479	my $progress;
1207		1480
		1481	++$pass;
		1482
		1483	ext:
1208	while (my ($k, $v) = each %todo) {	1484	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1485	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1486	next ext
1211	unless exists $done{$_};	1487	unless exists $done{$_};
1212	}	1488	}
1213		1489
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1491
1216	unless (eval $v->{source}) {	1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1495	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1498	if exists $v->{meta}{mandatory};
1221	warn $msg;	1499
1222	warn "mandatory extension failed to load, exiting.\n";	1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1501	delete $todo{$k};
1224	}	1502	} else {
1225		1503	$done{$k} = delete $todo{$k};
1226	warn $msg;	1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
1227	}	1509	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1510	}
1233		1511
1234	skip:	1512	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
1237	}	1520	}
1238	};	1521	};
1239	}	1522	}
1240		1523
1241	#############################################################################	1524	#############################################################################
1242		1525
1243	=back	1526	=back
1244		1527
1245	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
1246		1529
1247	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
1248		1531
1249	=cut	1532	=cut
1250		1533
1251	package cf::player;	1534	package cf::player;
1252		1535
1253	use Coro::AIO;	1536	use Coro::AIO;
1254		1537
1255	=head3 cf::player	1538	=head3 cf::player
1256		1539
1257	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
1258		1555
1259	=item cf::player::find $login	1556	=item cf::player::find $login
1260		1557
1261	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1262		1559
…		…
1281		1578
1282	sub exists($) {	1579	sub exists($) {
1283	my ($login) = @_;	1580	my ($login) = @_;
1284		1581
1285	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1287	}	1584	}
1288		1585
1289	sub find($) {	1586	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1588	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1599
1303	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1306	}	1609	}
1307	}	1610	}
1308	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1309		1625
1310	sub save($) {	1626	sub save($) {
1311	my ($pl) = @_;	1627	my ($pl) = @_;
1312		1628
1313	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1319		1635
1320	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1322		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1323	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1324	Coro::cede;	1645	cf::cede_to_tick;
1325	}	1646	}
1326		1647
1327	sub new($) {	1648	sub new($) {
1328	my ($login) = @_;	1649	my ($login) = @_;
1329		1650
…		…
1358	my ($pl) = @_;	1679	my ($pl) = @_;
1359		1680
1360	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1361		1682
1362	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1685
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1368	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1369		1694
1370	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1407	or return [];	1732	or return [];
1408		1733
1409	my @logins;	1734	my @logins;
1410		1735
1411	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1415		1746
1416	utf8::decode $login;	1747	utf8::decode $login;
1417	push @logins, $login;	1748	push @logins, $login;
1418	}	1749	}
1419		1750
1420	\@logins	1751	\@logins
1421	}	1752	}
1422		1753
1423	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1424		1757
1425	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1426	player. May block.	1759	player. May block.
1427		1760
1428	=cut	1761	=cut
…		…
1446	}	1779	}
1447		1780
1448	\@paths	1781	\@paths
1449	}	1782	}
1450		1783
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1785
1453	Expand crossfire pod fragments into protocol xml.	1786	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		1787
1501	=item $player->ext_reply ($msgid, @msg)	1788	=item $player->ext_reply ($msgid, @msg)
1502		1789
1503	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1504		1791
…		…
1536		1823
1537	=cut	1824	=cut
1538		1825
1539	sub find_by_path($) {	1826	sub find_by_path($) {
1540	my ($path) = @_;	1827	my ($path) = @_;
		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
1541		1830
1542	my ($match, $specificity);	1831	my ($match, $specificity);
1543		1832
1544	for my $region (list) {	1833	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1834	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1573		1862
1574	sub generate_random_map {	1863	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1576	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1577	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1589	)
1590	}	1869	}
1591		1870
1592	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1593		1872
1594	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1599		1878
1600	sub register {	1879	sub register {
1601	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	1881	my $pkg = caller;
1603		1882
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		1884
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	1886	}
1609		1887
1610	# also paths starting with '/'	1888	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		1890
1613	sub thawer_merge {	1891	sub thawer_merge {
1614	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1615		1893
1616	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
…		…
1621	}	1899	}
1622		1900
1623	sub normalise {	1901	sub normalise {
1624	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1625		1903
1626	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1627		1905
1628	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1629		1907
1630	# map plan:	1908	# map plan:
1631	#	1909	#
…		…
1646	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1647	$path = "$base/$path";	1925	$path = "$base/$path";
1648	}	1926	}
1649		1927
1650	for ($path) {	1928	for ($path) {
1651	redo if s{//}{/};
1652	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1653	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1654	}	1931	}
1655		1932
1656	$path	1933	$path
…		…
1670	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1671	return $self;	1948	return $self;
1672	}	1949	}
1673	}	1950	}
1674		1951
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	1953	()
1677	}	1954	}
1678		1955
1679	sub init {	1956	sub init {
1680	my ($self) = @_;	1957	my ($self) = @_;
…		…
1702		1979
1703	# the temporary/swap location	1980	# the temporary/swap location
1704	sub save_path {	1981	sub save_path {
1705	my ($self) = @_;	1982	my ($self) = @_;
1706		1983
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1709	}	1986	}
1710		1987
1711	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1712	sub uniq_path {	1989	sub uniq_path {
1713	my ($self) = @_;	1990	my ($self) = @_;
1714		1991
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	1993	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	1994	}
1727		1995
1728	sub decay_objects {	1996	sub decay_objects {
1729	my ($self) = @_;	1997	my ($self) = @_;
1730		1998
…		…
1743		2011
1744	sub load_header_from($) {	2012	sub load_header_from($) {
1745	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1746		2014
1747	utf8::encode $path;	2015	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1753		2024
1754	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1755		2026
1756	1	2027	1
1757	}	2028	}
…		…
1809		2080
1810	sub find;	2081	sub find;
1811	sub find {	2082	sub find {
1812	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1813		2084
		2085	cf::cede_to_tick;
		2086
1814	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1815		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2091
1818	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1821	or return;	2094	or return;
1822		2095
1823	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1824		2097
…		…
1826	or return;	2099	or return;
1827		2100
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1831	$map->reset;	2106	$map->reset;
1832	undef $guard;
1833	return find $path;	2107	return find $path;
1834	}	2108	}
1835		2109
1836	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1837	}	2111	}
1838	}	2112	}
1839		2113
1840	sub pre_load { }	2114	sub pre_load { }
1841	sub post_load { }	2115	#sub post_load { } # XS
1842		2116
1843	sub load {	2117	sub load {
1844	my ($self) = @_;	2118	my ($self) = @_;
1845		2119
1846	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1847		2121
1848	my $path = $self->{path};	2122	my $path = $self->{path};
1849		2123
1850	{	2124	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1852		2126
		2127	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1854		2129
1855	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1856		2131
1857	$self->alloc;	2132	$self->alloc;
1858		2133
1859	$self->pre_load;	2134	$self->pre_load;
1860	Coro::cede;	2135	cf::cede_to_tick;
1861		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1862	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1863	or return;	2140	or return;
1864		2141
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1866	if delete $self->{load_original};	2143	if delete $self->{load_original};
1867		2144
1868	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2146	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2149	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1873	}	2153	}
1874	}	2154	}
1875		2155
1876	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1877	# now do the right thing for maps	2159	# now do the right thing for maps
1878	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2162	unless $self->difficulty;
1881	Coro::cede;	2163	cf::cede_to_tick;
1882		2164
1883	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2166	$self->decay_objects;
1885	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1886	$self->update_buttons;	2168	$self->update_buttons;
1887	Coro::cede;	2169	cf::cede_to_tick;
1888	$self->set_darkness_map;
1889	Coro::cede;
1890	$self->activate;	2170	$self->activate;
1891	}	2171	}
1892		2172
1893	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2174	$self->last_access ($cf::RUNTIME);
1895		2175
1896	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1897	}	2177	}
1898		2178
1899	$self->post_load;	2179	$self->post_load;
1900	}
1901		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2187	sub customise_for {
1903	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1904		2189
1905	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2191	if $self->per_player;
…		…
1922	or next;	2207	or next;
1923	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1924	or next;	2209	or next;
1925	$neigh->load;	2210	$neigh->load;
1926		2211
		2212	# now find the diagonal neighbours
1927	push @neigh,	2213	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}	2216	}
1931		2217
…		…
1938	}	2224	}
1939		2225
1940	sub find_sync {	2226	sub find_sync {
1941	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1942		2228
1943	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1944	}	2233	}
1945		2234
1946	sub do_load_sync {	2235	sub do_load_sync {
1947	my ($map) = @_;	2236	my ($map) = @_;
1948		2237
1949	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1950	}	2242	}
1951		2243
1952	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1954		2246
1955	sub find_async {	2247	sub find_async {
1956	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1957		2249
1958	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1959		2251
1960	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1962	}	2254	}
1963		2255
1964	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1965	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1966	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2263	if (my $map = find $k) {
1969	$map->load;	2264	$map->load if $v;
1970	}	2265	}
1971		2266
1972	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1973	}	2268	}
1974	}	2269	}
1975	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1976	};	2271	};
1977	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1978		2273
1979	()	2274	()
1980	}	2275	}
1981		2276
		2277	# common code, used by both ->save and ->swapout
1982	sub save {	2278	sub _save {
1983	my ($self) = @_;	2279	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2280
1987	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1988		2282
1989	return unless $self->dirty;	2283	return unless $self->dirty;
1990		2284
…		…
1996	return if $self->{deny_save};	2290	return if $self->{deny_save};
1997		2291
1998	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1999		2293
2000	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
2002	};	2297	};
		2298
		2299	cf::get_slot 0.02;
2003		2300
2004	if ($uniq) {	2301	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2304	} else {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2009	}	2306	}
2010	}	2307	}
2011		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
2012	sub swap_out {	2317	sub swap_out {
2013	my ($self) = @_;	2318	my ($self) = @_;
2014		2319
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
2020	return if $self->players;	2324	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
2024	$self->clear;	2335	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2336	}
2027		2337
2028	sub reset_at {	2338	sub reset_at {
2029	my ($self) = @_;	2339	my ($self) = @_;
2030		2340
…		…
2048		2358
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2360
2051	return if $self->players;	2361	return if $self->players;
2052		2362
2053	warn "resetting map ", $self->path;	2363	cf::trace "resetting map ", $self->path, "\n";
2054		2364
2055	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
2056		2366
2057	# need to save uniques path	2367	# need to save uniques path
2058	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
2062	if $uniq;	2372	if $uniq;
2063	}	2373	}
2064		2374
2065	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
2066		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2379	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2380
2071	$self->unlink_save;	2381	$self->unlink_save;
2072	$self->destroy;	2382	$self->destroy;
2073	}	2383	}
2074		2384
2075	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
2076		2386
2077	sub nuke {	2387	sub nuke {
2078	my ($self) = @_;	2388	my ($self) = @_;
2079		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
2080	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
2081		2394
2082	$self->unlink_save;	2395	$self->unlink_save;
2083		2396
2084	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2402
2090	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
2091		2405
2092	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
2093	}	2407	}
2094		2408
2095	=item $maps = cf::map::tmp_maps	2409	=item $maps = cf::map::tmp_maps
…		…
2137		2451
2138	sub unique_maps() {	2452	sub unique_maps() {
2139	[	2453	[
2140	map {	2454	map {
2141	utf8::decode $_;	2455	utf8::decode $_;
2142	/\.map$/	2456	s/\.map$//; # TODO future compatibility hack
		2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2458	? ()
2143	? normalise $_	2459	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2460	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2461	]
2147	}	2462	}
2148		2463
2149	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
2150		2495
2151	=back	2496	=back
2152		2497
2153	=head3 cf::object	2498	=head3 cf::object
2154		2499
…		…
2158		2503
2159	=over 4	2504	=over 4
2160		2505
2161	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
2162		2507
2163	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
2164		2510
2165	=cut	2511	=cut
2166		2512
2167	sub inv_recursive_;	2513	sub inv_recursive_;
2168	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
2171		2517
2172	sub inv_recursive {	2518	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
2174	}	2520	}
2175		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
2176	package cf;	2550	package cf;
2177		2551
2178	=back	2552	=back
2179		2553
2180	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
2189		2563
2190	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
2191		2579
2192	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2581	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2595	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2597
2210	} else {	2598	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2601	}
2214	}	2602	}
2215	}	2603	}
2216		2604
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2630
2243	=item $player_object->enter_link	2631	=item $player_object->enter_link
2244		2632
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2634
2247	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
2249		2639
2250	Will never block.	2640	Will never block.
2251		2641
2252	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
2253		2643
…		…
2273	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2664	my ($self) = @_;
2275		2665
2276	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
2277		2667
		2668	++$self->{_link_recursion};
		2669
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2671
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2673	if $self->map && $self->map->{path} ne "{link}";
2282		2674
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2676	}
2285		2677
2286	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
2288		2680
…		…
2305	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
2307		2699
2308	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
2311		2703
2312	$map->load;	2704	$map->load;
2313	$map->load_neighbours;	2705	$map->load_neighbours;
2314		2706
2315	return unless $self->contr->active;	2707	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2708
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
2320	}	2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
		2714	$self->activate_recursive;
		2715	}
2321		2716
		2717	}
		2718
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2720
2324	Moves the player to the given map-path and coordinates by first freezing	2721	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2722	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2723	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2724	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2725	be called at the end of this process.
2329		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
2330	=cut	2730	=cut
2331		2731
2332	our $GOTOGEN;	2732	our $GOTOGEN;
2333		2733
2334	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
2337	# do generation counting so two concurrent goto's will be executed in-order	2743	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2745
2340	$self->enter_link;	2746	$self->enter_link;
2341		2747
2342	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
2343	my $map = eval {	2770	my $map = eval {
2344	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
2345		2772
2346	if ($map) {	2773	if ($map) {
2347	$map = $map->customise_for ($self);	2774	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2775	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2776	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2778	}
2352		2779
2353	$map	2780	$map
2354	};	2781	};
2355		2782
…		…
2361	if ($gen == $self->{_goto_generation}) {	2788	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2789	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
2364	}	2791	}
2365		2792
2366	$done->() if $done;	2793	$done->($self) if $done;
2367	})->prio (1);	2794	})->prio (1);
2368	}	2795	}
2369		2796
2370	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
2371		2798
…		…
2391	}	2818	}
2392		2819
2393	sub prepare_random_map {	2820	sub prepare_random_map {
2394	my ($exit) = @_;	2821	my ($exit) = @_;
2395		2822
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2825	# that depends on the exit object
2401		2826
2402	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2829	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2409	}	2836	}
2410		2837
2411	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2412		2839
2413	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2416		2843
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2846	undef $fh;
2420	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2421		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2424	}	2855	}
2425	}	2856	}
2426		2857
2427	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2429		2860
2430	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2431		2862
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2863	$self->enter_link;
2444		2864
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2865	(async {
2450	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2451	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2452	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2453		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2454	1;	2889	1
2455	}) {	2890	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2895
2461	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	2897	$self->leave_link;
2463	}	2898	}
2464	})->prio (1);	2899	})->prio (1);
2465	}	2900	}
2466		2901
…		…
2478	sub cf::client::send_drawinfo {	2913	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	2914	my ($self, $text, $flags) = @_;
2480		2915
2481	utf8::encode $text;	2916	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2918	}
		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
2483	}	2943	}
2484		2944
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		2946
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	2947	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	2949	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	2950	the message unless the client supports the msg packet.
2491		2951
2492	=cut	2952	=cut
2493		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
2494	sub cf::client::send_msg {	3068	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3069	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3070
2497	$msg = $self->pl->expand_cfpod ($msg);	3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
2498		3073
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
2501	if (ref $channel) {	3083	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3084	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3085	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3086	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3087	$self->ext_msg (channel_info => $channel);
2506	}	3088	}
…		…
2508	$channel = $channel->{id};	3090	$channel = $channel->{id};
2509	}	3091	}
2510		3092
2511	return unless @extra || length $msg;	3093	return unless @extra || length $msg;
2512		3094
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3095	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3097	if $color & cf::NDI_DEF;
2517		3098
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3102	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3103
2532	$color &= cf::NDI_COLOR_MASK;	3104	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3105	}
2546		3106
2547	=item $client->ext_msg ($type, @msg)	3107	=item $client->ext_msg ($type, @msg)
2548		3108
2549	Sends an ext event to the client.	3109	Sends an ext event to the client.
…		…
2551	=cut	3111	=cut
2552		3112
2553	sub cf::client::ext_msg($$@) {	3113	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3114	my ($self, $type, @msg) = @_;
2555		3115
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3116	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3118	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3119	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3121	}
2564	}	3122	}
2565		3123
2566	=item $client->ext_reply ($msgid, @msg)	3124	=item $client->ext_reply ($msgid, @msg)
2567		3125
…		…
2571		3129
2572	sub cf::client::ext_reply($$@) {	3130	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3131	my ($self, $id, @msg) = @_;
2574		3132
2575	if ($self->extcmd == 2) {	3133	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3135	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3136	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3137	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3139	}
2582	}	3140	}
2583		3141
2584	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2585		3143
…		…
2646	my ($type, $reply, @payload) =	3204	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3205	"ARRAY" eq ref $msg
2648	? @$msg	3206	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3208
		3209	my @reply;
		3210
2651	if (my $cb = $EXTICMD{$type}) {	3211	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3212	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
2657	} else {	3218	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3220	}
2660		3221
2661	cf::override;	3222	cf::override;
2662	},	3223	},
2663	);	3224	);
…		…
2683		3244
2684	$coro	3245	$coro
2685	}	3246	}
2686		3247
2687	cf::client->attach (	3248	cf::client->attach (
2688	on_destroy => sub {	3249	on_client_destroy => sub {
2689	my ($ns) = @_;	3250	my ($ns) = @_;
2690		3251
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3253	},
2693	);	3254	);
…		…
2709	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2710		3271
2711	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2712		3273
2713	$safe->permit_only (Opcode::opset qw(	3274	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3275	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3276	grepstart grepwhile mapstart mapwhile
2716	sort time	3277	sort time
2717	));	3278	));
2718		3279
2719	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
…		…
2721	=pod	3282	=pod
2722		3283
2723	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2724		3285
2725	cf::object	3286	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3287	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3288	insert remove name archname title slaying race decrease split
		3289	value
2728		3290
2729	cf::object::player	3291	cf::object::player
2730	player	3292	player
2731		3293
2732	cf::player	3294	cf::player
…		…
2737		3299
2738	=cut	3300	=cut
2739		3301
2740	for (	3302	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2746	) {	3309	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3312	for @funs;
2751	}	3313	}
2752		3314
…		…
2767		3329
2768	my $qcode = $code;	3330	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2771		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2772	local $_;	3337	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3338
2775	my $eval =	3339	my $eval =
2776	"do {\n"	3340	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3343	. $code
2780	. "\n}"	3344	. "\n}"
2781	;	3345	;
2782		3346
		3347	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2786		3356
2787	if ($@) {	3357	if ($@) {
2788	warn "$@";	3358	warn "$@",
2789	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2791	}	3361	}
2792		3362
2793	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2794	}	3364	}
2795		3365
…		…
2809	=cut	3379	=cut
2810		3380
2811	sub register_script_function {	3381	sub register_script_function {
2812	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2813		3383
2814	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2816	}	3386	}
2817		3387
2818	=back	3388	=back
2819		3389
2820	=cut	3390	=cut
…		…
2823	# the server's init and main functions	3393	# the server's init and main functions
2824		3394
2825	sub load_facedata($) {	3395	sub load_facedata($) {
2826	my ($path) = @_;	3396	my ($path) = @_;
2827		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
2828	my $enc = JSON::XS->new->utf8->canonical;	3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3403
2830	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2831		3405
2832	my $facedata;
2833	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2834	or die "$path: $!";	3407	or die "$path: $!";
2835		3408
2836	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2837		3410
2838	$facedata->{version} == 2	3411	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3413
2841	# patch in the exptable	3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3416	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3417	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
2845	};	3420	};
2846	cf::cede_to_tick;	3421	cf::cede_to_tick;
2847		3422
2848	{	3423	{
2849	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2850		3425
2851	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2853	cf::face::set_visibility $idx, $info->{visibility};	3429	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3430	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2857		3434
2858	cf::cede_to_tick;	3435	cf::cede_to_tick;
2859	}	3436	}
2860		3437
2861	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2863	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2864	or next;	3442	or next;
		3443
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3445	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3447	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3449	}
2871		3450
2872	cf::cede_to_tick;	3451	cf::cede_to_tick;
2873	}	3452	}
2874	}	3453	}
…		…
2883		3462
2884	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2885	}	3464	}
2886		3465
2887	{	3466	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3467	my $res = $facedata->{resource};
2891		3468
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3472
2898	if ($info->{type} & 1) {	3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3474	cf::face::set_type $idx, $info->{type};
2900		3475	} else {
2901	my $meta = $enc->encode ({	3476	$RESOURCE{$name} = $info; # unused
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	}	3477	}
2908		3478
2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2910	cf::face::set_type $idx, $info->{type};
2911
2912	cf::cede_to_tick;	3479	cf::cede_to_tick;
2913	}	3480	}
2914
2915	if ($soundconf) {
2916	$soundconf = $enc->decode (delete $soundconf->{data});
2917
2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2919	my $sound = $soundconf->{compat}[$_]
2920	or next;
2921
2922	my $face = cf::face::find "sound/$sound->[1]";
2923	cf::sound::set $sound->[0] => $face;
2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2925	}
2926
2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
2928	my $face = cf::face::find "sound/$v";
2929	cf::sound::set $k => $face;
2930	}
2931	}
2932	}	3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2933		3484
2934	1	3485	1
2935	}	3486	}
2936		3487
2937	register_exticmd fx_want => sub {	3488	register_exticmd fx_want => sub {
…		…
2940	while (my ($k, $v) = each %$want) {	3491	while (my ($k, $v) = each %$want) {
2941	$ns->fx_want ($k, $v);	3492	$ns->fx_want ($k, $v);
2942	}	3493	}
2943	};	3494	};
2944		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2945	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2946	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2947	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
2948		3513
2949	for (cf::region::list) {	3514	for (cf::region::list) {
2950	$_->{match} = qr/$_->{match}/	3515	$_->{match} = qr/$_->{match}/
…		…
2958	}	3523	}
2959		3524
2960	sub reload_archetypes {	3525	sub reload_archetypes {
2961	load_resource_file "$DATADIR/archetypes"	3526	load_resource_file "$DATADIR/archetypes"
2962	or die "unable to load archetypes\n";	3527	or die "unable to load archetypes\n";
2963	#d# NEED to laod twice to resolve forward references
2964	# this really needs to be done in an extra post-pass
2965	# (which needs to be synchronous, so solve it differently)
2966	load_resource_file "$DATADIR/archetypes"
2967	or die "unable to load archetypes\n";
2968	}	3528	}
2969		3529
2970	sub reload_treasures {	3530	sub reload_treasures {
2971	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2972	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2973	}	3533	}
2974		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2975	sub reload_resources {	3558	sub reload_resources {
2976	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2977		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2978	reload_regions;	3566	reload_regions;
2979	reload_facedata;
2980	#reload_archetypes;#d#
2981	reload_archetypes;
2982	reload_treasures;	3567	reload_treasures;
2983		3568
2984	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2985	}	3570	}
2986		3571
2987	sub init {	3572	sub reload_config {
2988	reload_resources;	3573	trace "reloading config file...\n";
2989	}
2990		3574
2991	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
2992	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
2993	or return;
2994		3577
2995	local $/;	3578	utf8::decode $config;
2996	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
2997		3580
2998	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2999		3582
3000	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3001	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3002		3585
3003	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
3007	};	3590	};
3008	warn $@ if $@;	3591	warn $@ if $@;
3009	}	3592	}
3010	}	3593	}
3011		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
3012	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
3013	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
3014	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3016	(async {	3636	(async {
3017	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
3018	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
3019	};	3640	};
3020		3641
3021	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
3022	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
3023	load_extensions;	3665	load_extensions;
3024		3666
3025	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
3026	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
3027	}	3685	}
3028		3686
3029	#############################################################################	3687	#############################################################################
3030	# initialisation and cleanup	3688	# initialisation and cleanup
3031		3689
3032	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
3033	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
3034	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
3035	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3036	reentrant => 0,
3037	data => WF_AUTOCANCEL,
3038	signal => $signal,
3039	prio => 0,
3040	cb => sub {
3041	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
3042	},
3043	);	3696	};
3044	}	3697	}
3045	}	3698	}
3046		3699
3047	sub write_runtime {	3700	sub write_runtime_sync {
3048	my $runtime = "$LOCALDIR/runtime";	3701	my $t0 = AE::time;
3049		3702
3050	# first touch the runtime file to show we are still running:	3703	# first touch the runtime file to show we are still running:
3051	# the fsync below can take a very very long time.	3704	# the fsync below can take a very very long time.
3052		3705
3053	IO::AIO::aio_utime $runtime, undef, undef;	3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3054		3707
3055	my $guard = cf::lock_acquire "write_runtime";	3708	my $guard = cf::lock_acquire "write_runtime";
3056		3709
3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3058	or return;	3711	or return;
3059		3712
3060	my $value = $cf::RUNTIME + 90 + 10;	3713	my $value = $cf::RUNTIME + 90 + 10;
3061	# 10 is the runtime save interval, for a monotonic clock	3714	# 10 is the runtime save interval, for a monotonic clock
3062	# 60 allows for the watchdog to kill the server.	3715	# 60 allows for the watchdog to kill the server.
…		…
3072	aio_utime $fh, undef, undef;	3725	aio_utime $fh, undef, undef;
3073		3726
3074	close $fh	3727	close $fh
3075	or return;	3728	or return;
3076		3729
3077	aio_rename "$runtime~", $runtime	3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3078	and return;	3731	and return;
3079		3732
3080	warn "runtime file written.\n";	3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3081		3734
3082	1	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
3083	}	3786	}
3084		3787
3085	sub emergency_save() {	3788	sub emergency_save() {
3086	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
3087		3790
3088	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
3089		3797
3090	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
3091	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
3092	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
3093	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
3094	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
3095	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
3096	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
3097	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3098	$pl->save;	3809	$pl->save;
3099	}	3810	}
3100	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
3101		3812
3102	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
3103	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
3104	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
3105	$map->valid or next;	3818	$map->valid or next;
3106	$map->save;	3819	$map->save;
3107	}	3820	}
3108	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
3109		3822
3110	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
3111	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
3112	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
3113	};	3851	};
3114		3852
3115	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
3116	}	3854	}
3117		3855
3118	sub post_cleanup {	3856	sub post_cleanup {
3119	my ($make_core) = @_;	3857	my ($make_core) = @_;
3120		3858
		3859	IO::AIO::flush;
		3860
3121	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
3122	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
3123	}	3891	}
3124		3892
3125	sub do_reload_perl() {	3893	sub do_reload_perl() {
3126	# can/must only be called in main	3894	# can/must only be called in main
3127	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
3128	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
3129	return;	3897	return;
3130	}	3898	}
3131		3899
3132	warn "reloading...";	3900	return if $RELOAD++;
3133		3901
3134	warn "entering sync_job";	3902	my $t1 = AE::time;
3135		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
3136	cf::sync_job {	3910	cf::sync_job {
3137	cf::write_runtime; # external watchdog should not bark
3138	cf::emergency_save;	3911	#cf::emergency_save;
3139	cf::write_runtime; # external watchdog should not bark
3140		3912
3141	warn "syncing database to disk";
3142	BDB::db_env_txn_checkpoint $DB_ENV;
3143
3144	# if anything goes wrong in here, we should simply crash as we already saved
3145
3146	warn "cancelling all WF_AUTOCANCEL watchers";
3147	for (Event::all_watchers) {
3148	$_->cancel if $_->data & WF_AUTOCANCEL;
3149	}
3150
3151	warn "flushing outstanding aio requests";
3152	for (;;) {
3153	BDB::flush;
3154	IO::AIO::flush;
3155	Coro::cede;
3156	last unless IO::AIO::nreqs || BDB::nreqs;
3157	warn "iterate...";
3158	}
3159
3160	++$RELOAD;
3161
3162	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
3163	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
3164	%EXT_CORO = ();	3915	%EXT_CORO = ();
3165		3916
3166	warn "removing commands";	3917	trace "perl_reload: removing commands";
3167	%COMMAND = ();	3918	%COMMAND = ();
3168		3919
3169	warn "removing ext/exti commands";	3920	trace "perl_reload: removing ext/exti commands";
3170	%EXTCMD = ();	3921	%EXTCMD = ();
3171	%EXTICMD = ();	3922	%EXTICMD = ();
3172		3923
3173	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
3174	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
3175	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
3176		3927
3177	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
3178	eval {	3929	eval {
3179	$cb->($pkg);	3930	$cb->($pkg);
3180	1	3931	1
3181	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
3182	}	3937	}
3183		3938
3184	warn "... nuking $pkg";
3185	Symbol::delete_package $pkg;
3186	}
3187
3188	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3189	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3191		3942
3192	warn "... unloading $k";	3943	trace "... unloading $k";
3193	delete $INC{$k};	3944	delete $INC{$k};
3194		3945
3195	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
3196	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
3197		3948
3198	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
3199	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
3200	}	3954	}
3201		3955
3202	Symbol::delete_package $k;
3203	}
3204
3205	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
3206	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3208		3959
3209	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
3210	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
3211	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3212		3963
3213	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
3214	# and global variables created in xs	3965	# and global variables created in xs
3215	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
3216		3967
3217	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
3218		3969
3219	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
3220	require cf;	3971	require cf;
3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
3222		3973
3223	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
3224	cf::cfg_load;	3975	cf::reload_config;
3225		3976
3226	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
3227	cf::load_extensions;	3978	cf::load_extensions;
3228		3979
		3980	if ($REATTACH_ON_RELOAD) {
3229	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
3230	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
3231	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
3232	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
3233	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
3234	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
3235		3988
3236	warn "leaving sync_job";	3989	cf::_post_init 1;
3237		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
3238	1	3993	1
3239	} or do {	3994	} or do {
3240	warn $@;	3995	error $@;
3241	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
3242	exit 1;	3997	};
		3998
		3999	--$RELOAD;
3243	};	4000	}
3244		4001
3245	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
3246	};	4004	};
3247		4005
3248	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
3249		4007
3250	sub reload_perl() {	4008	sub reload_perl() {
3251	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
3252	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
3253		4011
3254	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
3255	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
3256	after => 0,	4014
3257	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3258	cb => sub {
3259	do_reload_perl;	4016	do_reload_perl;
3260	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
3261	},	4018	};
3262	);	4019	};
3263	}	4020	}
3264		4021
3265	register_command "reload" => sub {	4022	register_command "reload" => sub {
3266	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
3267		4024
3268	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
3269	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
3270	async { reload_perl };	4029	reload_perl;
		4030	};
3271	}	4031	}
3272	};	4032	};
3273		4033
3274	unshift @INC, $LIBDIR;	4034	#############################################################################
3275		4035
3276	my $bug_warning = 0;	4036	my $bug_warning = 0;
3277		4037
3278	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
3279	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
3280		4040
3281	sub wait_for_tick {	4041	sub wait_for_tick() {
3282	return unless $TICK_WATCHER->is_active;
3283	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3284		4043
3285	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
3286	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
3287	$signal->wait;	4046	$signal->wait;
3288	}	4047	}
3289		4048
3290	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
3291	return unless $TICK_WATCHER->is_active;
3292	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3293		4051
3294	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
3295	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
3296	$signal->wait;	4054	$signal->wait;
3297	}	4055	}
3298		4056
3299	my $min = 1e6;#d#	4057	sub tick {
3300	my $avg = 10;
3301	$TICK_WATCHER = Event->timer (
3302	reentrant => 0,
3303	parked => 1,
3304	prio => 0,
3305	at => $NEXT_TICK || $TICK,
3306	data => WF_AUTOCANCEL,
3307	cb => sub {
3308	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3310	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
3311	return;	4061	return;
3312	}	4062	}
3313		4063
3314	$NOW = $tick_start = Event::time;
3315
3316	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
3317		4065
3318	0 && sync_job {#d#	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3319	for(1..10) {
3320	my $t = Event::time;
3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3322	or die;
3323		4067
3324	$map->width (50);	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$map->height (50);	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3326	$map->alloc;	4070	Coro::async_pool {
3327	$map->_load_objects ("/tmp/x.map", 1);	4071	$Coro::current->{desc} = "runtime saver";
3328	my $t = Event::time - $t;	4072	write_runtime_sync
3329		4073	or error "ERROR: unable to write runtime file: $!";
3330	#next unless $t < 0.0013;#d#
3331	if ($t < $min) {
3332	$min = $t;
3333	}
3334	$avg = $avg * 0.99 + $t * 0.01;
3335	}
3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3337	exit 0;
3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3339	};	4074	};
		4075	}
3340		4076
3341	$RUNTIME += $TICK;
3342	$NEXT_TICK += $TICK;
3343
3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
3346	Coro::async_pool {
3347	write_runtime
3348	or warn "ERROR: unable to write runtime file: $!";
3349	};
3350	}
3351
3352	# my $AFTER = Event::time;
3353	# warn $AFTER - $NOW;#d#
3354
3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3356	$sig->send;	4078	$sig->send;
3357	}	4079	}
3358	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
3359	$sig->send;	4081	$sig->send;
3360	}	4082	}
3361		4083
3362	$NOW = Event::time;	4084	$LOAD = ($NOW - $TICK_START) / $TICK;
3363
3364	# if we are delayed by four ticks or more, skip them all
3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3366
3367	$TICK_WATCHER->at ($NEXT_TICK);
3368	$TICK_WATCHER->start;
3369
3370	$LOAD = ($NOW - $tick_start) / $TICK;
3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3372		4086
3373	_post_tick;	4087	if (0) {
3374		4088	if ($NEXT_TICK) {
3375		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
3376	},	4093	}
3377	);	4094	}
3378		4095
3379	{	4096	{
3380	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
3381	$BDB_POLL_WATCHER = Event->io (	4098
3382	reentrant => 0,
3383	fd => BDB::poll_fileno,
3384	poll => 'r',
3385	prio => 0,
3386	data => WF_AUTOCANCEL,
3387	cb => \&BDB::poll_cb,
3388	);
3389	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
3390		4100	BDB::max_poll_reqs $TICK * 0.1;
3391	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
3392	my $status;
3393	my $current = $Coro::current;
3394	(
3395	sub {
3396	$status = $!;
3397	$current->ready; undef $current;
3398	},
3399	sub {
3400	Coro::schedule while defined $current;
3401	$! = $status;
3402	},
3403	)
3404	};
3405		4102
3406	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
3407	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3408		4110
3409	cf::sync_job {	4111	cf::sync_job {
3410	eval {	4112	eval {
3411	BDB::db_env_open	4113	BDB::db_env_open
3412	$DB_ENV,	4114	$DB_ENV,
…		…
3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3416	0666;	4118	0666;
3417		4119
3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3419
3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3421	$DB_ENV->set_lk_detect;
3422	};	4121	};
3423		4122
3424	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
3425	};	4124	};
3426	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
3427	}	4136	}
3428		4137
3429	{	4138	{
		4139	# configure IO::AIO
		4140
3430	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
3431
3432	undef $Coro::AIO::WATCHER;
3433	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
3434	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
3435	reentrant => 0,
3436	data => WF_AUTOCANCEL,
3437	fd => IO::AIO::poll_fileno,
3438	poll => 'r',
3439	prio => 6,
3440	cb => \&IO::AIO::poll_cb,
3441	);
3442	}	4144	}
3443		4145
3444	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
3445		4148
3446	sub _log_backtrace {	4149	sub _log_backtrace {
3447	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
3448		4151
3449	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
3450		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3451	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
3452	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
3453	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
3454	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
3455	my @bt = fork_call {	4165	my @bt = fork_call {
3456	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3459	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
3467	}	4177	}
3468		4178
3469	@funcs	4179	@funcs
3470	};	4180	};
3471		4181
3472	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3473	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
3474	--$_log_backtrace;	4185	--$_log_backtrace;
3475	};	4186	};
3476	} else {	4187	} else {
3477	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
3478	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3479	}	4190	}
3480	}	4191	}
3481		4192
3482	# load additional modules	4193	# load additional modules
3483	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
3484		4196
3485	END { cf::emergency_save }	4197	END { cf::emergency_save }
3486		4198
3487	1	4199	1
3488		4200

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