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Revision 1.479 by root, Thu Oct 8 05:04:27 2009 UTC vs.
Revision 1.602 by root, Sun Nov 11 18:21:21 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict qw(vars subs);
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
36
37	use Guard ();	35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
38	use Coro ();	41	use Coro ();
39	use Coro::State;	42	use Coro::State;
40	use Coro::Handle;	43	use Coro::Handle;
41	use Coro::EV;	44	use Coro::EV;
42	use Coro::AnyEvent;	45	use Coro::AnyEvent;
…		…
48	use Coro::AIO;	51	use Coro::AIO;
49	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
50	use Coro::Storable;	53	use Coro::Storable;
51	use Coro::Util ();	54	use Coro::Util ();
52		55
		56	use Guard ();
53	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
54	use BDB ();	58	use BDB ();
55	use Data::Dumper;	59	use Data::Dumper;
56	use Digest::MD5;
57	use Fcntl;	60	use Fcntl;
58	use YAML ();	61	use YAML::XS ();
59	use IO::AIO ();	62	use IO::AIO ();
60	use Time::HiRes;
61	use Compress::LZF;	63	use Compress::LZF;
62	use Digest::MD5 ();	64	use Digest::MD5 ();
63		65
64	AnyEvent::detect;	66	AnyEvent::detect;
65		67
…		…
77	# strictly for debugging	79	# strictly for debugging
78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };	80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
79		81
80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
81		83
		84	our @ORIG_INC;
		85
82	our %COMMAND = ();	86	our %COMMAND = ();
83	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
84		88
85	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
86	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
87	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
88	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
89	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
90		96
91	our $RELOAD; # number of reloads so far, non-zero while in reload	97	our $RELOAD; # number of reloads so far, non-zero while in reload
92	our @EVENT;	98	our @EVENT;
93	our @REFLECT; # set by XS	99	our @REFLECT; # set by XS
94	our %REFLECT; # set by us	100	our %REFLECT; # set by us
95		101
96	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
97	our $DATADIR = datadir;	104	our $DATADIR = datadir;
98	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
99	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
100	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
101	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
102	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
105	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
106	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
107	our $PIDFILE = "$LOCALDIR/pid";	115	our $PIDFILE = "$LOCALDIR/pid";
108	our $RUNTIMEFILE = "$LOCALDIR/runtime";	116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
109		117
110	our %RESOURCE;	118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
111		125
112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
114	our $NEXT_TICK;	128	our $NEXT_TICK;
115	our $USE_FSYNC = 1; # use fsync to write maps - default on	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
…		…
117	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
118	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
119	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
120	our $DB_ENV;	134	our $DB_ENV;
121		135
122	our @EXTRA_MODULES = qw(pod mapscript);	136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
123		137
124	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
125		140
126	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
127	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
128	our $NOW;	144	our $NOW;
129		145
130	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
131	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
132	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
141		157
142	our @POST_INIT;	158	our @POST_INIT;
143		159
144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)	160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
145	our $REALLY_UNLOOP; # never set to true, please :)	161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
146		165
147	binmode STDOUT;	166	binmode STDOUT;
148	binmode STDERR;	167	binmode STDERR;
149		168
150	# read virtual server time, if available	169	# read virtual server time, if available
…		…
161		180
162	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
163		182
164	sub cf::map::normalise;	183	sub cf::map::normalise;
165		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
166	#############################################################################	189	#############################################################################
167		190
168	%REFLECT = ();	191	%REFLECT = ();
169	for (@REFLECT) {	192	for (@REFLECT) {
170	my $reflect = JSON::XS::decode_json $_;	193	my $reflect = JSON::XS::decode_json $_;
171	$REFLECT{$reflect->{class}} = $reflect;	194	$REFLECT{$reflect->{class}} = $reflect;
172	}	195	}
173		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
174	#############################################################################	200	#############################################################################
175		201
176	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
177		203
178	=over 4	204	=over 4
179		205
180	=item $cf::UPTIME	206	=item $cf::UPTIME
181		207
182	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
183		224
184	=item $cf::RUNTIME	225	=item $cf::RUNTIME
185		226
186	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
187	every server tick.	228	every server tick.
188		229
189	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
190	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
191	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
192		233
193	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
194	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
195	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
196	database environment.	237	database environment.
197		238
198	=item $cf::NOW
199
200	The time of the last (current) server tick.
201
202	=item $cf::TICK
203
204	The interval between server ticks, in seconds.
205
206	=item $cf::LOADAVG	239	=item $cf::LOADAVG
207		240
208	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
209	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
210	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
219	from wherever your confdir points to.	252	from wherever your confdir points to.
220		253
221	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
222		255
223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
224	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
225	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
226		277
227	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
228		279
229	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
231	that call.	282	that call.
232		283
233	=item %cf::REFLECT	284	=item %cf::REFLECT
234		285
235	Contains, for each (C++) class name, a hash reference with information	286	Contains, for each (C++) class name, a hash reference with information
236	about object members (methods, scalars and arrays) and other metadata,	287	about object members (methods, scalars, arrays and flags) and other
237	which is useful for introspection.	288	metadata, which is useful for introspection.
238		289
239	=back	290	=back
240		291
241	=cut	292	=cut
		293
		294	sub error(@) { LOG llevError, join "", @_ }
		295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
242		299
243	$Coro::State::WARNHOOK = sub {	300	$Coro::State::WARNHOOK = sub {
244	my $msg = join "", @_;	301	my $msg = join "", @_;
245		302
246	$msg .= "\n"	303	$msg .= "\n"
247	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
248		305
249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
250		307
251	LOG llevError, $msg;	308	LOG llevWarn, $msg;
252	};	309	};
253		310
254	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
255	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
256		313
257	warn Carp::longmess $_[0];	314	error Carp::longmess $_[0];
258		315
259	if ($Coro::current == $Coro::main) {#d#	316	if (in_main) {#d#
260	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
261	return;#d#	318	return;#d#
262	}#d#	319	}#d#
263		320
264	# kill coroutine otherwise	321	# kill coroutine otherwise
265	Coro::terminate	322	Coro::terminate
…		…
285	)) {	342	)) {
286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
287	}	344	}
288		345
289	$EV::DIED = sub {	346	$EV::DIED = sub {
290	warn "error in event callback: @_";	347	warn "error in event callback: $@";
291	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
292		354
293	#############################################################################	355	#############################################################################
294		356
295	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
296		358
…		…
317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
318	$d	380	$d
319	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
320	}	382	}
321		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
322	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
323		437
324	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
325		439
326	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
333		447
334	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
335	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
336		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
337	=item cf::post_init { BLOCK }	482	=item cf::post_init { BLOCK }
338		483
339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,	484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
340	but I<before> the server starts ticking again.	485	but I<before> the server starts ticking again.
341		486
342	The cdoeblock will have a single boolean argument to indicate whether this	487	The codeblock will have a single boolean argument to indicate whether this
343	is a reload or not.	488	is a reload or not.
344		489
345	=cut	490	=cut
346		491
347	sub post_init(&) {	492	sub post_init(&) {
348	push @POST_INIT, shift;	493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
349	}	511	}
350		512
351	=item cf::lock_wait $string	513	=item cf::lock_wait $string
352		514
353	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
…		…
392	}	554	}
393		555
394	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
395		557
396	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
397	get spread over timer.	559	get spread over time.
398		560
399	=cut	561	=cut
400		562
401	sub periodic($$) {	563	sub periodic($$) {
402	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
406	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
407	}	569	}
408		570
409	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
410		572
411	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
412	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
413	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
414		580
415	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
416	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
417		583
418	Useful for short background jobs.	584	Useful for short background jobs.
419		585
420	=cut	586	=cut
421		587
422	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
423	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
424		591
425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
426	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
427	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
428		595
429	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
430		598
431	while () {	599	while () {
432	next_job:	600	next_job:
		601
433	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
434	if ($avail > 0.01) {	603
435	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
436	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
437	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
438	$job->[2]->send;	608	$job->[2]->send;
439	Coro::cede;	609	Coro::cede;
440	goto next_job;	610	goto next_job;
441	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
442	}	613	}
443	}	614	}
444		615
445	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
446	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
447	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
448	$signal->wait;
449	} else {	619	} else {
		620	$busy = 0;
450	Coro::schedule;	621	Coro::schedule;
451	}	622	}
452	}	623	}
453	};	624	};
454		625
455	sub get_slot($;$$) {	626	sub get_slot($;$$) {
456	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
457		628
458	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
459		630
460	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
461	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
462		634
463	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
464	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
465	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
491	=cut	663	=cut
492		664
493	sub sync_job(&) {	665	sub sync_job(&) {
494	my ($job) = @_;	666	my ($job) = @_;
495		667
496	if ($Coro::current == $Coro::main) {	668	if (in_main) {
497	my $time = EV::time;	669	my $time = AE::time;
498		670
499	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
500	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
501		673
502	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
503		675
504	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
505		677
506	my $busy = 1;	678	my $busy = 1;
507	my @res;	679	my @res;
508		680
509	(async {	681	(async {
510	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
511	@res = eval { $job->() };	683	@res = eval { $job->() };
512	warn $@ if $@;	684	error $@ if $@;
513	undef $busy;	685	undef $busy;
514	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
515		687
516	while ($busy) {	688	while ($busy) {
517	if (Coro::nready) {	689	if (Coro::nready) {
…		…
519	} else {	691	} else {
520	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
521	}	693	}
522	}	694	}
523		695
524	my $time = EV::time - $time;	696	my $time = AE::time - $time;
525		697
526	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
527		699
528	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
529	} else {	701	} else {
…		…
551	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
552		724
553	$coro	725	$coro
554	}	726	}
555		727
556	=item fork_call { }, $args	728	=item fork_call { }, @args
557		729
558	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
559	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
560	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
561	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
562		734
563	=cut	735	=cut
564		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
565	sub fork_call(&@) {	741	sub fork_call(&@) {
566	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
567		743
568	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
569	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
570	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
571		747
572	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
573	reset_signals;	749	cf::post_fork;
574	&$cb	750	&$cb
575	}, @args;	751	} @args;
576		752
577	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
578	}	765	}
579		766
580	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
581		768
582	=cut	769	=cut
…		…
619	within each server.	806	within each server.
620		807
621	=cut	808	=cut
622		809
623	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
624	my ($name) = @_;	814	my ($name) = @_;
625	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
626		816
627	eval {	817	eval {
628	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
638	}	828	}
639		829
640	our $DB;	830	our $DB;
641		831
642	sub db_init {	832	sub db_init {
643	cf::sync_job {
644	$DB ||= db_table "db";	833	$DB ||= db_table "db";
645	};
646	}	834	}
647		835
648	sub db_get($$) {	836	sub db_get($$) {
649	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
650		838
651	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
652	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
653		843
654	$! ? ()	844	$! ? ()
655	: $data	845	: $data
656	}
657	}	846	}
658		847
659	sub db_put($$$) {	848	sub db_put($$$) {
660	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
661	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
689		878
690	my @data;	879	my @data;
691	my $md5;	880	my $md5;
692		881
693	for (0 .. $#$src) {	882	for (0 .. $#$src) {
694	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
695	or Carp::croak "$src->[$_]: $!";
696	}	884	}
697		885
698	# if processing is expensive, check	886	# if processing is expensive, check
699	# checksum first	887	# checksum first
700	if (1) {	888	if (1) {
…		…
713		901
714	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
715	}	903	}
716	}	904	}
717		905
718	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
719	my $data = $process->(\@data);	907	my $data = $process->(\@data);
720	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
721		909
722	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
723		911
724	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
725	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
726	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
727		915
…		…
737		925
738	=cut	926	=cut
739		927
740	sub datalog($@) {	928	sub datalog($@) {
741	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
742	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
743	}	931	}
744		932
745	=back	933	=back
746		934
747	=cut	935	=cut
…		…
942		1130
943	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
944	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
945		1133
946	} elsif (ref $type) {	1134	} elsif (ref $type) {
947	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
948		1136
949	} else {	1137	} else {
950	shift @arg;	1138	shift @arg;
951	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
952	}	1140	}
953	}	1141	}
954	}	1142	}
955		1143
956	sub _object_attach {	1144	sub _object_attach {
…		…
966	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
967	}	1155	}
968		1156
969	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
970	} else {	1158	} else {
971	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
972	}	1160	}
973		1161
974	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
975	}	1163	}
976		1164
…		…
1035		1223
1036	for (@$callbacks) {	1224	for (@$callbacks) {
1037	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1038		1226
1039	if ($@) {	1227	if ($@) {
1040	warn "$@";
1041	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1042	override;	1229	override;
1043	}	1230	}
1044		1231
1045	return 1 if $override;	1232	return 1 if $override;
1046	}	1233	}
…		…
1125	for (@$attach) {	1312	for (@$attach) {
1126	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1127	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1128	}	1315	}
1129	} else {	1316	} else {
1130	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1131	}	1318	}
1132	}	1319	}
1133	}	1320	}
1134		1321
1135	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1162	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1163		1350
1164	sync_job {	1351	sync_job {
1165	if (length $$rdata) {	1352	if (length $$rdata) {
1166	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1167	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1168	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1169		1357
1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1171	aio_chmod $fh, SAVE_MODE;	1359	aio_chmod $fh, SAVE_MODE;
1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1173	if ($cf::USE_FSYNC) {	1361	if ($cf::USE_FSYNC) {
…		…
1195	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
1196		1384
1197	$filename =~ s%/[^/]+$%%;	1385	$filename =~ s%/[^/]+$%%;
1198	aio_pathsync $filename if $cf::USE_FSYNC;	1386	aio_pathsync $filename if $cf::USE_FSYNC;
1199	} else {	1387	} else {
1200	warn "unable to save objects: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1201	}	1389	}
1202	} else {	1390	} else {
1203	aio_unlink $filename;	1391	aio_unlink $filename;
1204	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1205	}	1393	}
…		…
1229	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1230	$av = $st->{objs};	1418	$av = $st->{objs};
1231	}	1419	}
1232		1420
1233	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1234	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1235	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1236		1425
1237	($data, $av)	1426	($data, $av)
1238	}	1427	}
1239		1428
1240	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1244	=cut	1433	=cut
1245		1434
1246	#############################################################################	1435	#############################################################################
1247	# command handling &c	1436	# command handling &c
1248		1437
1249	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1250		1439
1251	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1252	$name.	1441	$name.
1253		1442
1254	=cut	1443	=cut
…		…
1260	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1261		1450
1262	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1263	}	1452	}
1264		1453
1265	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1266		1455
1267	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1268	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1269	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1270	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1271	has logged in successfully.	1460	has logged in successfully.
1272		1461
1273	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1274	called.
1275		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1276	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1277		1470
1278	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1279	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1280	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1281	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1282	log-in.	1475	log-in.
1283		1476
1284	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1285	called.
1286		1478
1287	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1288		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1289	sub register_extcmd {	1486	sub register_extcmd($$) {
1290	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1291		1488
1292	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1293	}	1490	}
1294		1491
1295	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1296	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1297		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1298	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1299	}	1502	}
1300		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
1301	use File::Glob ();	1510	use File::Glob ();
1302		1511
1303	cf::player->attach (	1512	cf::player->attach (
1304	on_command => sub {	1513	on_unknown_command => sub {
1305	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1306		1515
1307	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1308	or return;	1517	or return;
1309		1518
…		…
1317	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1318		1527
1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1320		1529
1321	if (ref $msg) {	1530	if (ref $msg) {
1322	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1323	"ARRAY" eq ref $msg
1324	? @$msg
1325	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1326		1532
1327	my @reply;
1328
1329	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1330	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1331	}	1551	}
1332		1552
1333	$pl->ext_reply ($reply, @reply)
1334	if $reply;
1335
1336	} else {	1553	} else {
1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1338	}	1555	}
1339		1556
1340	cf::override;	1557	cf::override;
1341	},	1558	},
1342	);	1559	);
…		…
1352	};	1569	};
1353		1570
1354	$grp	1571	$grp
1355	}	1572	}
1356		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1357	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1358	cf::sync_job {	1590	cf::sync_job {
1359	my %todo;	1591	my %todo;
1360		1592
1361	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1362	next unless -r $path;	1594	next unless -r $path;
…		…
1380		1612
1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1383		1615
1384	$ext{source} =	1616	$ext{source} =
1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1386	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1387	. $source	1619	. $source
1388	. "\n};\n1";	1620	. "\n};\n1";
1389		1621
1390	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1391	}	1623	}
1392		1624
		1625	my $pass = 0;
1393	my %done;	1626	my %done;
1394	while (%todo) {	1627	while (%todo) {
1395	my $progress;	1628	my $progress;
1396		1629
		1630	++$pass;
		1631
		1632	ext:
1397	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1398	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1399	goto skip	1635	next ext
1400	unless exists $done{$_};	1636	unless exists $done{$_};
1401	}	1637	}
1402		1638
1403	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1404		1640
1405	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1406	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1407	: "$v->{base}: extension inactive.\n";
1408		1654
1409	if (exists $v->{meta}{mandatory}) {
1410	warn $msg;
1411	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1412	}	1656	if exists $v->{meta}{mandatory};
1413		1657
1414	warn $msg;	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1415	}	1667	}
1416
1417	$done{$k} = delete $todo{$k};
1418	push @EXTS, $v->{pkg};
1419	$progress = 1;
1420	}	1668	}
1421		1669
1422	skip:	1670	unless ($progress) {
1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1424	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1425	}	1680	}
1426	};	1681	};
1427	}	1682	}
1428		1683
1429	#############################################################################	1684	#############################################################################
…		…
1513	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1514	}	1769	}
1515	}	1770	}
1516	}	1771	}
1517		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1518	sub save($) {	1786	sub save($) {
1519	my ($pl) = @_;	1787	my ($pl) = @_;
1520		1788
1521	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1522		1790
…		…
1527		1795
1528	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1529	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1530		1798
1531	cf::get_slot 0.01;	1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1532		1803
1533	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1534	cf::cede_to_tick;	1805	cf::cede_to_tick;
1535	}	1806	}
1536		1807
…		…
1570	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1571		1842
1572	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1574		1845
1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1576	$pl->deactivate;	1847	$pl->deactivate;
		1848
1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1578	$pl->ob->check_score;
1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1580	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1581		1854
1582	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1583	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1584	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1638	\@logins	1911	\@logins
1639	}	1912	}
1640		1913
1641	=item $player->maps	1914	=item $player->maps
1642		1915
		1916	=item cf::player::maps $login
		1917
1643	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1644	player. May block.	1919	player. May block.
1645		1920
1646	=cut	1921	=cut
1647		1922
…		…
1668		1943
1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1670		1945
1671	Expand deliantra pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1672		1947
1673	=item $player->ext_reply ($msgid, @msg)
1674
1675	Sends an ext reply to the player.
1676
1677	=cut
1678
1679	sub ext_reply($$@) {
1680	my ($self, $id, @msg) = @_;
1681
1682	$self->ns->ext_reply ($id, @msg)
1683	}
1684
1685	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1686		1949
1687	Sends an ext event to the client.	1950	Sends an ext event to the client.
1688		1951
1689	=cut	1952	=cut
…		…
1708		1971
1709	=cut	1972	=cut
1710		1973
1711	sub find_by_path($) {	1974	sub find_by_path($) {
1712	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1713		1978
1714	my ($match, $specificity);	1979	my ($match, $specificity);
1715		1980
1716	for my $region (list) {	1981	for my $region (list) {
1717	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1746	sub generate_random_map {	2011	sub generate_random_map {
1747	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1748		2013
1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1750		2015
1751	# mit "rum" bekleckern, nicht
1752	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1756	$rmp->{exit_on_final_map},
1757	$rmp->{xsize}, $rmp->{ysize},
1758	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1759	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1760	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1761	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1762	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1763	(cf::region::find $rmp->{region}), $rmp->{custom}
1764	)
1765	}	2017	}
1766		2018
1767	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1768		2020
1769	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1774		2026
1775	sub register {	2027	sub register {
1776	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1777	my $pkg = caller;	2029	my $pkg = caller;
1778		2030
1779	no strict;
1780	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1781		2032
1782	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1783	}	2034	}
1784		2035
1785	# also paths starting with '/'	2036	# also paths starting with '/'
1786	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1787		2038
1788	sub thawer_merge {	2039	sub thawer_merge {
1789	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1790		2041
1791	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1796	}	2047	}
1797		2048
1798	sub normalise {	2049	sub normalise {
1799	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1800		2051
1801	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1802		2053
1803	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1804		2055
1805	# map plan:	2056	# map plan:
1806	#	2057	#
…		…
1821	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1822	$path = "$base/$path";	2073	$path = "$base/$path";
1823	}	2074	}
1824		2075
1825	for ($path) {	2076	for ($path) {
1826	redo if s{//}{/};
1827	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1828	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1829	}	2079	}
1830		2080
1831	$path	2081	$path
…		…
1845	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1846	return $self;	2096	return $self;
1847	}	2097	}
1848	}	2098	}
1849		2099
1850	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1851	()	2101	()
1852	}	2102	}
1853		2103
		2104	# may re-bless or do other evil things
1854	sub init {	2105	sub init {
1855	my ($self) = @_;	2106	my ($self) = @_;
1856		2107
1857	$self	2108	$self
1858	}	2109	}
…		…
1923	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1924		2175
1925	1	2176	1
1926	}	2177	}
1927		2178
		2179	# used to laod the header of an original map
1928	sub load_header_orig {	2180	sub load_header_orig {
1929	my ($self) = @_;	2181	my ($self) = @_;
1930		2182
1931	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1932	}	2184	}
1933		2185
		2186	# used to laod the header of an instantiated map
1934	sub load_header_temp {	2187	sub load_header_temp {
1935	my ($self) = @_;	2188	my ($self) = @_;
1936		2189
1937	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1938	}	2191	}
1939		2192
		2193	# called after loading the header from an instantiated map
1940	sub prepare_temp {	2194	sub prepare_temp {
1941	my ($self) = @_;	2195	my ($self) = @_;
1942		2196
1943	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1944	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1945	# safety	2199	# safety
1946	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1947	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1948	}	2202	}
1949		2203
		2204	# called after loading the header from an original map
1950	sub prepare_orig {	2205	sub prepare_orig {
1951	my ($self) = @_;	2206	my ($self) = @_;
1952		2207
1953	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1954	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1978		2233
1979	sub find;	2234	sub find;
1980	sub find {	2235	sub find {
1981	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1982		2237
		2238	cf::cede_to_tick;
		2239
1983	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1984		2241
1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1986	my $guard2 = cf::lock_acquire "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1987		2244
1988	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
…		…
2005		2262
2006	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2007	}	2264	}
2008	}	2265	}
2009		2266
2010	sub pre_load { }	2267	sub pre_load { }
2011	sub post_load { }	2268	#sub post_load { } # XS
2012		2269
2013	sub load {	2270	sub load {
2014	my ($self) = @_;	2271	my ($self) = @_;
2015		2272
2016	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2019		2276
2020	{	2277	{
2021	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2022		2279
2023	return unless $self->valid;	2280	return unless $self->valid;
2024	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2025
2026	$self->in_memory (cf::MAP_LOADING);
2027		2282
2028	$self->alloc;	2283	$self->alloc;
2029		2284
2030	$self->pre_load;	2285	$self->pre_load;
2031	cf::cede_to_tick;	2286	cf::cede_to_tick;
2032		2287
		2288	if (exists $self->{load_path}) {
2033	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2034	$f->skip_block;	2290	$f->skip_block;
2035	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2036	or return;	2292	or return;
2037		2293
2038	$self->post_load_original	2294	$self->post_load_original
2039	if delete $self->{load_original};	2295	if delete $self->{load_original};
2040		2296
2041	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2042	utf8::encode $uniq;	2298	utf8::encode $uniq;
2043	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2044	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2045	$self->clear_unique_items;	2301	$self->clear_unique_items;
2046	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2047	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2048	}	2305	}
2049	}	2306	}
2050	}
2051		2307
2052	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2053		2315
2054	cf::cede_to_tick;	2316	cf::cede_to_tick;
2055	# now do the right thing for maps	2317	# now do the right thing for maps
2056	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2057	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2061	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2062	$self->decay_objects;	2324	$self->decay_objects;
2063	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2064	$self->update_buttons;	2326	$self->update_buttons;
2065	cf::cede_to_tick;	2327	cf::cede_to_tick;
2066	$self->activate;	2328	#$self->activate; # no longer activate maps automatically
2067	}	2329	}
2068		2330
2069	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2070	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2071
2072	$self->in_memory (cf::MAP_ACTIVE);
2073	}	2333	}
2074		2334
2075	$self->post_load;	2335	$self->post_load;
2076	}
2077		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2078	sub customise_for {	2343	sub customise_for {
2079	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2080		2345
2081	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2082	if $self->per_player;	2347	if $self->per_player;
…		…
2085	# if $self->per_party;	2350	# if $self->per_party;
2086		2351
2087	$self	2352	$self
2088	}	2353	}
2089		2354
2090	# find and load all maps in the 3x3 area around a map
2091	sub load_neighbours {
2092	my ($map) = @_;
2093
2094	my @neigh; # diagonal neighbours
2095
2096	for (0 .. 3) {
2097	my $neigh = $map->tile_path ($_)
2098	or next;
2099	$neigh = find $neigh, $map
2100	or next;
2101	$neigh->load;
2102
2103	push @neigh,
2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2106	}
2107
2108	for (grep defined $_->[0], @neigh) {
2109	my ($path, $origin) = @$_;
2110	my $neigh = find $path, $origin
2111	or next;
2112	$neigh->load;
2113	}
2114	}
2115
2116	sub find_sync {	2355	sub find_sync {
2117	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2118		2357
2119	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2120	}	2363	}
2121		2364
2122	sub do_load_sync {	2365	sub do_load_sync {
2123	my ($map) = @_;	2366	my ($map) = @_;
2124		2367
		2368	# it's a bug to call this from the main context
2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2126	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2127		2371
2128	cf::sync_job { $map->load };	2372	$map->load;
2129	}	2373	}
2130		2374
2131	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2132	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2133		2377
2134	sub find_async {	2378	sub find_async {
2135	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2136		2380
2137	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2138		2382
2139	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2141	}	2385	}
2142		2386
2143	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2144		2388
2145	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2159	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2160		2404
2161	()	2405	()
2162	}	2406	}
2163		2407
		2408	# common code, used by both ->save and ->swapout
2164	sub save {	2409	sub _save {
2165	my ($self) = @_;	2410	my ($self) = @_;
2166
2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
2168		2411
2169	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2170		2413
2171	return unless $self->dirty;	2414	return unless $self->dirty;
2172		2415
…		…
2192	} else {	2435	} else {
2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2194	}	2437	}
2195	}	2438	}
2196		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2197	sub swap_out {	2448	sub swap_out {
2198	my ($self) = @_;	2449	my ($self) = @_;
2199		2450
2200	# save first because save cedes
2201	$self->save;
2202
2203	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2204		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2205	return if $self->players;	2455	return if $self->players;
2206	return if $self->in_memory != cf::MAP_ACTIVE;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2207	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2208		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2209	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2210		2507
2211	$self->deactivate;	2508	$self->deactivate;
2212	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2213	$self->clear;	2510	$self->clear;
2214	}
2215
2216	sub reset_at {
2217	my ($self) = @_;
2218
2219	# TODO: safety, remove and allow resettable per-player maps
2220	return 1e99 if $self->{deny_reset};
2221
2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2224
2225	$time + $to
2226	}
2227
2228	sub should_reset {
2229	my ($self) = @_;
2230
2231	$self->reset_at <= $cf::RUNTIME
2232	}
2233
2234	sub reset {
2235	my ($self) = @_;
2236
2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
2238
2239	return if $self->players;
2240
2241	warn "resetting map ", $self->path, "\n";
2242
2243	$self->in_memory (cf::MAP_SWAPPED);
2244
2245	# need to save uniques path
2246	unless ($self->{deny_save}) {
2247	my $uniq = $self->uniq_path; utf8::encode $uniq;
2248
2249	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2250	if $uniq;
2251	}
2252
2253	delete $cf::MAP{$self->path};
2254
2255	$self->deactivate;
2256	$_->clear_links_to ($self) for values %cf::MAP;
2257	$self->clear;
2258		2511
2259	$self->unlink_save;	2512	$self->unlink_save;
2260	$self->destroy;	2513	$self->destroy;
2261	}	2514	}
2262		2515
…		…
2270		2523
2271	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2272		2525
2273	$self->unlink_save;	2526	$self->unlink_save;
2274		2527
2275	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2276	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2277	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2278	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2280		2533
…		…
2337	: normalise $_	2590	: normalise $_
2338	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2339	]	2592	]
2340	}	2593	}
2341		2594
		2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
		2626
2342	=back	2627	=back
2343		2628
2344	=head3 cf::object	2629	=head3 cf::object
2345		2630
2346	=cut	2631	=cut
…		…
2369		2654
2370	Creates and returns a persistent reference to an object that can be stored as a string.	2655	Creates and returns a persistent reference to an object that can be stored as a string.
2371		2656
2372	=item $ob = cf::object::deref ($refstring)	2657	=item $ob = cf::object::deref ($refstring)
2373		2658
2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2659	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2375	even if the object actually exists. May block.	2660	even if the object actually exists. May block.
2376		2661
2377	=cut	2662	=cut
2378		2663
2379	sub deref {	2664	sub deref {
…		…
2478		2763
2479	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2480		2765
2481	The player should be reasonably safe there for short amounts of time (e.g.	2766	The player should be reasonably safe there for short amounts of time (e.g.
2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2483	though, as the palyer cannot control the character while it is on the link	2768	though, as the player cannot control the character while it is on the link
2484	map.	2769	map.
2485		2770
2486	Will never block.	2771	Will never block.
2487		2772
2488	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
…		…
2509	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2510	my ($self) = @_;	2795	my ($self) = @_;
2511		2796
2512	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2513		2798
		2799	++$self->{_link_recursion};
		2800
2514	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2515		2802
2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2517	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2518		2805
2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2520	}	2807	}
2521		2808
2522	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2523	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2524		2811
…		…
2541	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2542	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2543		2830
2544	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2545	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2546	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2547		2834
2548	$map->load;	2835	$map->load;
2549	$map->load_neighbours;
2550		2836
2551	return unless $self->contr->active;	2837	return unless $self->contr->active;
2552		2838
2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2554	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2555		2841	# entering was successful
		2842	delete $self->{_link_recursion};
2556	# only activate afterwards, to support waiting in hooks	2843	# only activate afterwards, to support waiting in hooks
2557	$self->activate_recursive;	2844	$self->activate_recursive;
2558	}	2845	}
2559		2846
		2847	}
		2848
2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2561		2850
2562	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2563	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2564	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2565	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
…		…
2572		2861
2573	our $GOTOGEN;	2862	our $GOTOGEN;
2574		2863
2575	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2576	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2577		2872
2578	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2580		2875
2581	$self->enter_link;	2876	$self->enter_link;
…		…
2601	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2602	}	2897	}
2603	}	2898	}
2604		2899
2605	my $map = eval {	2900	my $map = eval {
2606	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2607		2902
2608	if ($map) {	2903	if ($map) {
2609	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2610	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2611	} else {	2906	} else {
2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2613	}	2908	}
2614		2909
2615	$map	2910	$map
…		…
2623	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2624	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2625	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2626	}	2921	}
2627		2922
2628	$done->() if $done;	2923	$done->($self) if $done;
2629	})->prio (1);	2924	})->prio (1);
2630	}	2925	}
2631		2926
2632	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2633		2928
…		…
2701	$Coro::current->{desc} = "enter_exit";	2996	$Coro::current->{desc} = "enter_exit";
2702		2997
2703	unless (eval {	2998	unless (eval {
2704	$self->deactivate_recursive; # just to be sure	2999	$self->deactivate_recursive; # just to be sure
2705		3000
2706	# random map handling
2707	{
2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
2709
2710	prepare_random_map $exit
2711	if $exit->slaying eq "/!";
2712	}
2713
2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
2715	my $x = $exit->stats->hp;	3002	my $x = $exit->stats->hp;
2716	my $y = $exit->stats->sp;	3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
2717		3027
2718	$self->goto ($map, $x, $y);	3028	$self->goto ($map, $x, $y);
2719		3029
2720	# if exit is damned, update players death & WoR home-position	3030	# if exit is damned, update players death & WoR home-position
2721	$self->contr->savebed ($map, $x, $y)	3031	$self->contr->savebed ($map, $x, $y)
…		…
2726	$self->message ("Something went wrong deep within the deliantra server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2727	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2728	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2729	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2730		3040
2731	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2732	$self->leave_link;	3042	$self->leave_link;
2733	}	3043	}
2734	})->prio (1);	3044	})->prio (1);
2735	}	3045	}
2736		3046
…		…
2748	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2749	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2750		3060
2751	utf8::encode $text;	3061	utf8::encode $text;
2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2753	}	3088	}
2754		3089
2755	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2756		3091
2757	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2761		3096
2762	=cut	3097	=cut
2763		3098
2764	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2765	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2766	"c/identify" => {	3107	"c/identify" => {
2767	id => "infobox",	3108	id => "infobox",
2768	title => "Identify",	3109	title => "Identify",
2769	reply => undef,	3110	reply => undef,
2770	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2772	"c/examine" => {	3113	"c/examine" => {
2773	id => "infobox",	3114	id => "infobox",
2774	title => "Examine",	3115	title => "Examine",
2775	reply => undef,	3116	reply => undef,
2776	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2777	},	3124	},
2778	"c/book" => {	3125	"c/book" => {
2779	id => "infobox",	3126	id => "infobox",
2780	title => "Book",	3127	title => "Book",
2781	reply => undef,	3128	reply => undef,
…		…
2897	my $pkt = "msg "	3244	my $pkt = "msg "
2898	. $self->{json_coder}->encode (	3245	. $self->{json_coder}->encode (
2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2900	);	3247	);
2901		3248
2902	# try lzf for large packets
2903	$pkt = "lzf " . Compress::LZF::compress $pkt
2904	if 1024 <= length $pkt and $self->{can_lzf};
2905
2906	# split very large packets
2907	if (8192 < length $pkt and $self->{can_lzf}) {
2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2909	$pkt = "frag";
2910	}
2911
2912	$self->send_packet ($pkt);	3249	$self->send_big_packet ($pkt);
2913	}	3250	}
2914		3251
2915	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2916		3253
2917	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2919	=cut	3256	=cut
2920		3257
2921	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2922	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2923		3260
2924	if ($self->extcmd == 2) {
2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2926	} elsif ($self->extcmd == 1) { # TODO: remove
2927	push @msg, msgtype => "event_$type";
2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2929	}
2930	}
2931
2932	=item $client->ext_reply ($msgid, @msg)
2933
2934	Sends an ext reply to the client.
2935
2936	=cut
2937
2938	sub cf::client::ext_reply($$@) {
2939	my ($self, $id, @msg) = @_;
2940
2941	if ($self->extcmd == 2) {
2942	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2943	} elsif ($self->extcmd == 1) {
2944	#TODO: version 1, remove
2945	unshift @msg, msgtype => "reply", msgid => $id;
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947	}
2948	}	3262	}
2949		3263
2950	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2951		3265
2952	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
3007	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
3008		3322
3009	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3010		3324
3011	if (ref $msg) {	3325	if (ref $msg) {
3012	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3013	"ARRAY" eq ref $msg
3014	? @$msg
3015	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3016		3327
3017	my @reply;
3018
3019	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
3020	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3021	}	3346	}
3022
3023	$ns->ext_reply ($reply, @reply)
3024	if $reply;
3025
3026	} else {	3347	} else {
3027	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3028	}	3349	}
3029		3350
3030	cf::override;	3351	cf::override;
3031	},	3352	},
3032	);	3353	);
…		…
3052		3373
3053	$coro	3374	$coro
3054	}	3375	}
3055		3376
3056	cf::client->attach (	3377	cf::client->attach (
3057	on_destroy => sub {	3378	on_client_destroy => sub {
3058	my ($ns) = @_;	3379	my ($ns) = @_;
3059		3380
3060	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3061	},	3382	},
3062	);	3383	);
…		…
3078	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3079		3400
3080	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3081		3402
3082	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3083	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3084	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3085	sort time	3406	sort time
3086	));	3407	));
3087		3408
3088	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3113	decrease split destroy change_exp value msg lore send_msg)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3114	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3115	["cf::player" => qw(peaceful send_msg)],	3436	["cf::player" => qw(peaceful send_msg)],
3116	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3117	) {	3438	) {
3118	no strict 'refs';
3119	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3121	for @funs;	3441	for @funs;
3122	}	3442	}
3123		3443
…		…
3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3141	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3142		3462
3143	%vars = (_dummy => 0) unless %vars;	3463	%vars = (_dummy => 0) unless %vars;
3144		3464
		3465	my @res;
3145	local $_;	3466	local $_;
3146	local @safe::cf::_safe_eval_args = values %vars;
3147		3467
3148	my $eval =	3468	my $eval =
3149	"do {\n"	3469	"do {\n"
3150	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3151	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3152	. $code	3472	. $code
3153	. "\n}"	3473	. "\n}"
3154	;	3474	;
3155		3475
		3476	if ($CFG{safe_eval}) {
3156	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3157	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3158	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3159		3485
3160	if ($@) {	3486	if ($@) {
3161	warn "$@";	3487	warn "$@",
3162	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3163	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3164	}	3490	}
3165		3491
3166	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3167	}	3493	}
3168		3494
…		…
3182	=cut	3508	=cut
3183		3509
3184	sub register_script_function {	3510	sub register_script_function {
3185	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3186		3512
3187	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3188	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3189	}	3515	}
3190		3516
3191	=back	3517	=back
3192		3518
3193	=cut	3519	=cut
3194		3520
3195	#############################################################################	3521	#############################################################################
3196	# the server's init and main functions	3522	# the server's init and main functions
3197		3523
		3524	{
		3525	package cf::face;
		3526
		3527	our %HASH; # hash => idx
		3528	our @DATA; # dynamically-created facedata, only faceste 0 used
		3529	our @FOFS; # file offset, if > 0
		3530	our @SIZE; # size of face, in octets
		3531	our @META; # meta hash of face, if any
		3532	our $DATAFH; # facedata filehandle
		3533
		3534	# internal api, not finalised
		3535	sub set {
		3536	my ($name, $type, $data) = @_;
		3537
		3538	my $idx = cf::face::find $name;
		3539
		3540	if ($idx) {
		3541	delete $HASH{cf::face::get_chksum $idx};
		3542	} else {
		3543	$idx = cf::face::alloc $name;
		3544	}
		3545
		3546	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3547
		3548	cf::face::set_type $idx, $type;
		3549	cf::face::set_csum $idx, 0, $hash;
		3550
		3551	# we need to destroy the SV itself, not just modify it, as a running ix
		3552	# might hold a reference to it: "delete" achieves that.
		3553	delete $FOFS[0][$idx];
		3554	delete $DATA[0][$idx];
		3555	$DATA[0][$idx] = $data;
		3556	$SIZE[0][$idx] = length $data;
		3557	delete $META[$idx];
		3558	$HASH{$hash} = $idx;#d#
		3559
		3560	$idx
		3561	}
		3562
		3563	sub _get_data($$$) {
		3564	my ($idx, $set, $cb) = @_;
		3565
		3566	if (defined $DATA[$set][$idx]) {
		3567	$cb->($DATA[$set][$idx]);
		3568	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3569	my $size = $SIZE[$set][$idx];
		3570	my $buf;
		3571	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3572	if ($_[0] == $size) {
		3573	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3574	$cb->($buf);
		3575	} else {
		3576	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3577	}
		3578	};
		3579	} else {
		3580	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3581	}
		3582	}
		3583
		3584	# rather ineffient
		3585	sub cf::face::get_data($;$) {
		3586	my ($idx, $set) = @_;
		3587
		3588	_get_data $idx, $set, Coro::rouse_cb;
		3589	Coro::rouse_wait
		3590	}
		3591
		3592	sub cf::face::ix {
		3593	my ($ns, $set, $idx, $pri) = @_;
		3594
		3595	_get_data $idx, $set, sub {
		3596	$ns->ix_send ($idx, $pri, $_[0]);
		3597	};
		3598	}
		3599	}
		3600
3198	sub load_facedata($) {	3601	sub load_facedata($) {
3199	my ($path) = @_;	3602	my ($path) = @_;
3200		3603
3201	# HACK to clear player env face cache, we need some signal framework
3202	# for this (global event?)
3203	%ext::player_env::MUSIC_FACE_CACHE = ();
3204
3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3604	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3206		3605
3207	warn "loading facedata from $path\n";	3606	trace "loading facedata from $path\n";
3208		3607
3209	my $facedata;	3608	my $facedata = decode_storable load_file "$path/faceinfo";
3210	0 < aio_load $path, $facedata
3211	or die "$path: $!";
3212
3213	$facedata = Coro::Storable::thaw $facedata;
3214		3609
3215	$facedata->{version} == 2	3610	$facedata->{version} == 2
3216	or cf::cleanup "$path: version mismatch, cannot proceed.";	3611	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3217		3612
3218	# patch in the exptable	3613	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3219	$facedata->{resource}{"res/exp_table"} = {	3614	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3220	type => FT_RSRC,	3615
3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3616	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3222	};	3617
3223	cf::cede_to_tick;	3618	# BEGIN ATOMIC
		3619	# from here on, everything must be atomic - no thread switch allowed
		3620	my $t1 = EV::time;
3224		3621
3225	{	3622	{
3226	my $faces = $facedata->{faceinfo};	3623	my $faces = $facedata->{faceinfo};
3227		3624
3228	while (my ($face, $info) = each %$faces) {	3625	for my $face (sort keys %$faces) {
		3626	my $info = $faces->{$face};
3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3627	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3230		3628
3231	cf::face::set_visibility $idx, $info->{visibility};	3629	cf::face::set_visibility $idx, $info->{visibility};
3232	cf::face::set_magicmap $idx, $info->{magicmap};	3630	cf::face::set_magicmap $idx, $info->{magicmap};
3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3631	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3632	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3235		3633	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3236	cf::cede_to_tick;	3634	$cf::face::HASH{$info->{hash64}} = $idx;
		3635	delete $cf::face::META[$idx];
3237	}	3636	}
3238		3637
3239	while (my ($face, $info) = each %$faces) {	3638	while (my ($face, $info) = each %$faces) {
3240	next unless $info->{smooth};	3639	next unless $info->{smooth};
3241		3640
…		…
3244		3643
3245	if (my $smooth = cf::face::find $info->{smooth}) {	3644	if (my $smooth = cf::face::find $info->{smooth}) {
3246	cf::face::set_smooth $idx, $smooth;	3645	cf::face::set_smooth $idx, $smooth;
3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3646	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3248	} else {	3647	} else {
3249	warn "smooth face '$info->{smooth}' not found for face '$face'";	3648	error "smooth face '$info->{smooth}' not found for face '$face'";
3250	}	3649	}
3251
3252	cf::cede_to_tick;
3253	}	3650	}
3254	}	3651	}
3255		3652
3256	{	3653	{
3257	my $anims = $facedata->{animinfo};	3654	my $anims = $facedata->{animinfo};
3258		3655
3259	while (my ($anim, $info) = each %$anims) {	3656	while (my ($anim, $info) = each %$anims) {
3260	cf::anim::set $anim, $info->{frames}, $info->{facings};	3657	cf::anim::set $anim, $info->{frames}, $info->{facings};
3261	cf::cede_to_tick;
3262	}	3658	}
3263		3659
3264	cf::anim::invalidate_all; # d'oh	3660	cf::anim::invalidate_all; # d'oh
3265	}	3661	}
3266		3662
3267	{	3663	{
3268	# TODO: for gcfclient pleasure, we should give resources
3269	# that gcfclient doesn't grok a >10000 face index.
3270	my $res = $facedata->{resource};	3664	my $res = $facedata->{resource};
3271		3665
3272	while (my ($name, $info) = each %$res) {	3666	while (my ($name, $info) = each %$res) {
3273	if (defined $info->{type}) {	3667	if (defined (my $type = $info->{type})) {
		3668	# TODO: different hash - must free and use new index, or cache ixface data queue
3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3669	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3275	my $data;
3276		3670
3277	if ($info->{type} & 1) {
3278	# prepend meta info
3279
3280	my $meta = $enc->encode ({
3281	name => $name,
3282	%{ $info->{meta} || {} },
3283	});
3284
3285	$data = pack "(w/a*)*", $meta, $info->{data};
3286	} else {
3287	$data = $info->{data};
3288	}
3289
3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3291	cf::face::set_type $idx, $info->{type};	3671	cf::face::set_type $idx, $type;
		3672	cf::face::set_csum $idx, 0, $info->{hash};
		3673	$cf::face::SIZE[0][$idx] = $info->{size};
		3674	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3675	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3676	$cf::face::HASH{$info->{hash}} = $idx;
3292	} else {	3677	} else {
3293	$RESOURCE{$name} = $info;	3678	# $RESOURCE{$name} = $info; # unused
3294	}	3679	}
3295
3296	cf::cede_to_tick;
3297	}	3680	}
3298	}	3681	}
		3682
		3683	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3684
		3685	# HACK to clear player env face cache, we need some signal framework
		3686	# for this (global event?)
		3687	%ext::player_env::MUSIC_FACE_CACHE = ();
		3688
		3689	# END ATOMIC
		3690
		3691	cf::debug "facedata atomic update time ", EV::time - $t1;
3299		3692
3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3693	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3301		3694
		3695	aio_close $fh if $fh; # close old facedata
		3696
3302	1	3697	1
3303	}	3698	}
3304
3305	cf::global->attach (on_resource_update => sub {
3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3308
3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3310	my $sound = $soundconf->{compat}[$_]
3311	or next;
3312
3313	my $face = cf::face::find "sound/$sound->[1]";
3314	cf::sound::set $sound->[0] => $face;
3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3316	}
3317
3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
3319	my $face = cf::face::find "sound/$v";
3320	cf::sound::set $k => $face;
3321	}
3322	}
3323	});
3324		3699
3325	register_exticmd fx_want => sub {	3700	register_exticmd fx_want => sub {
3326	my ($ns, $want) = @_;	3701	my ($ns, $want) = @_;
3327		3702
3328	while (my ($k, $v) = each %$want) {	3703	while (my ($k, $v) = each %$want) {
…		…
3336	my $status = load_resource_file_ $_[0];	3711	my $status = load_resource_file_ $_[0];
3337	get_slot 0.1, 100;	3712	get_slot 0.1, 100;
3338	cf::arch::commit_load;	3713	cf::arch::commit_load;
3339		3714
3340	$status	3715	$status
		3716	}
		3717
		3718	sub reload_exp_table {
		3719	_reload_exp_table;
		3720
		3721	cf::face::set
		3722	"res/exp_table" => FT_RSRC,
		3723	JSON::XS->new->utf8->canonical->encode (
		3724	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3725	);
		3726	}
		3727
		3728	sub reload_materials {
		3729	_reload_materials;
3341	}	3730	}
3342		3731
3343	sub reload_regions {	3732	sub reload_regions {
3344	# HACK to clear player env face cache, we need some signal framework	3733	# HACK to clear player env face cache, we need some signal framework
3345	# for this (global event?)	3734	# for this (global event?)
…		…
3353	if exists $_->{match};	3742	if exists $_->{match};
3354	}	3743	}
3355	}	3744	}
3356		3745
3357	sub reload_facedata {	3746	sub reload_facedata {
3358	load_facedata "$DATADIR/facedata"	3747	load_facedata $DATADIR
3359	or die "unable to load facedata\n";	3748	or die "unable to load facedata\n";
3360	}	3749	}
3361		3750
3362	sub reload_archetypes {	3751	sub reload_archetypes {
3363	load_resource_file "$DATADIR/archetypes"	3752	load_resource_file "$DATADIR/archetypes"
3364	or die "unable to load archetypes\n";	3753	or die "unable to load archetypes\n";
		3754
		3755	cf::face::set
		3756	"res/skill_info" => FT_RSRC,
		3757	JSON::XS->new->utf8->canonical->encode (
		3758	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3759	);
		3760
		3761	cf::face::set
		3762	"res/spell_paths" => FT_RSRC,
		3763	JSON::XS->new->utf8->canonical->encode (
		3764	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3765	);
3365	}	3766	}
3366		3767
3367	sub reload_treasures {	3768	sub reload_treasures {
3368	load_resource_file "$DATADIR/treasures"	3769	load_resource_file "$DATADIR/treasures"
3369	or die "unable to load treasurelists\n";	3770	or die "unable to load treasurelists\n";
3370	}	3771	}
3371		3772
		3773	sub reload_sound {
		3774	trace "loading sound config from $DATADIR/sound\n";
		3775
		3776	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3777
		3778	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3779	my $sound = $soundconf->{compat}[$_]
		3780	or next;
		3781
		3782	my $face = cf::face::find "sound/$sound->[1]";
		3783	cf::sound::set $sound->[0] => $face;
		3784	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3785	}
		3786
		3787	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3788	my $face = cf::face::find "sound/$v";
		3789	cf::sound::set $k => $face;
		3790	}
		3791	}
		3792
3372	sub reload_resources {	3793	sub reload_resources {
3373	warn "reloading resource files...\n";	3794	trace "reloading resource files...\n";
3374		3795
		3796	reload_materials;
3375	reload_facedata;	3797	reload_facedata;
		3798	reload_exp_table;
		3799	reload_sound;
3376	reload_archetypes;	3800	reload_archetypes;
3377	reload_regions;	3801	reload_regions;
3378	reload_treasures;	3802	reload_treasures;
3379		3803
3380	warn "finished reloading resource files\n";	3804	trace "finished reloading resource files\n";
3381	}	3805	}
3382		3806
3383	sub reload_config {	3807	sub reload_config {
3384	open my $fh, "<:utf8", "$CONFDIR/config"	3808	trace "reloading config file...\n";
3385	or return;
3386		3809
3387	local $/;	3810	my $config = load_file "$CONFDIR/config";
3388	*CFG = YAML::Load <$fh>;	3811	utf8::decode $config;
		3812	*CFG = decode_yaml $config;
3389		3813
3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3814	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3391		3815
3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3816	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3817	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3394		3818
3395	if (exists $CFG{mlockall}) {	3819	if (exists $CFG{mlockall}) {
…		…
3419	seek $fh, 0, 0;	3843	seek $fh, 0, 0;
3420	print $fh $$;	3844	print $fh $$;
3421	}	3845	}
3422		3846
3423	sub main_loop {	3847	sub main_loop {
3424	warn "EV::loop starting\n";	3848	trace "EV::loop starting\n";
3425	if (1) {	3849	if (1) {
3426	EV::loop;	3850	EV::loop;
3427	}	3851	}
3428	warn "EV::loop returned\n";	3852	trace "EV::loop returned\n";
3429	goto &main_loop unless $REALLY_UNLOOP;	3853	goto &main_loop unless $REALLY_UNLOOP;
3430	}	3854	}
3431		3855
3432	sub main {	3856	sub main {
3433	cf::init_globals; # initialise logging	3857	cf::init_globals; # initialise logging
3434		3858
3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;	3859	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";	3860	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";	3861	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";	3862	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3439		3863
3440	cf::init_experience;
3441	cf::init_anim;
3442	cf::init_attackmess;
3443	cf::init_dynamic;
3444
3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3864	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3446		3865
3447	# we must not ever block the main coroutine	3866	# we must not ever block the main coroutine
3448	local $Coro::idle = sub {	3867	$Coro::idle = sub {
3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3868	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3450	(async {	3869	(async {
3451	$Coro::current->{desc} = "IDLE BUG HANDLER";	3870	$Coro::current->{desc} = "IDLE BUG HANDLER";
3452	EV::loop EV::LOOP_ONESHOT;	3871	EV::loop EV::LOOP_ONESHOT;
3453	})->prio (Coro::PRIO_MAX);	3872	})->prio (Coro::PRIO_MAX);
3454	};	3873	};
3455		3874
3456	evthread_start IO::AIO::poll_fileno;	3875	evthread_start IO::AIO::poll_fileno;
3457		3876
3458	cf::sync_job {	3877	cf::sync_job {
		3878	cf::incloader::init ();
		3879
		3880	db_init;
		3881
		3882	cf::init_anim;
		3883	cf::init_attackmess;
		3884	cf::init_dynamic;
		3885
		3886	cf::load_settings;
		3887
3459	reload_resources;	3888	reload_resources;
3460	reload_config;	3889	reload_config;
3461	db_init;
3462		3890
3463	cf::load_settings;
3464	cf::load_materials;
3465	cf::init_uuid;	3891	cf::init_uuid;
3466	cf::init_signals;	3892	cf::init_signals;
3467	cf::init_commands;
3468	cf::init_skills;	3893	cf::init_skills;
3469		3894
3470	cf::init_beforeplay;	3895	cf::init_beforeplay;
3471		3896
3472	atomic;	3897	atomic;
…		…
3477		3902
3478	# no (long-running) fork's whatsoever before this point(!)	3903	# no (long-running) fork's whatsoever before this point(!)
3479	use POSIX ();	3904	use POSIX ();
3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3905	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3481		3906
3482	(pop @POST_INIT)->(0) while @POST_INIT;	3907	cf::_post_init 0;
3483	};	3908	};
3484		3909
		3910	cf::object::thawer::errors_are_fatal 0;
		3911	info "parse errors in files are no longer fatal from this point on.\n";
		3912
		3913	AE::postpone {
		3914	undef &main; # free gobs of memory :)
		3915	};
		3916
3485	main_loop;	3917	goto &main_loop;
3486	}	3918	}
3487		3919
3488	#############################################################################	3920	#############################################################################
3489	# initialisation and cleanup	3921	# initialisation and cleanup
3490		3922
3491	# install some emergency cleanup handlers	3923	# install some emergency cleanup handlers
3492	BEGIN {	3924	BEGIN {
3493	our %SIGWATCHER = ();	3925	our %SIGWATCHER = ();
3494	for my $signal (qw(INT HUP TERM)) {	3926	for my $signal (qw(INT HUP TERM)) {
3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3927	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3496	cf::cleanup "SIG$signal";	3928	cf::cleanup "SIG$signal";
3497	};	3929	};
3498	}	3930	}
3499	}	3931	}
3500		3932
3501	sub write_runtime_sync {	3933	sub write_runtime_sync {
		3934	my $t0 = AE::time;
		3935
3502	# first touch the runtime file to show we are still running:	3936	# first touch the runtime file to show we are still running:
3503	# the fsync below can take a very very long time.	3937	# the fsync below can take a very very long time.
3504		3938
3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3939	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3506		3940
3507	my $guard = cf::lock_acquire "write_runtime";	3941	my $guard = cf::lock_acquire "write_runtime";
3508		3942
3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3943	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3510	or return;	3944	or return;
3511		3945
3512	my $value = $cf::RUNTIME + 90 + 10;	3946	my $value = $cf::RUNTIME + 90 + 10;
3513	# 10 is the runtime save interval, for a monotonic clock	3947	# 10 is the runtime save interval, for a monotonic clock
3514	# 60 allows for the watchdog to kill the server.	3948	# 60 allows for the watchdog to kill the server.
…		…
3527	or return;	3961	or return;
3528		3962
3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3963	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3530	and return;	3964	and return;
3531		3965
3532	warn "runtime file written.\n";	3966	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3533		3967
3534	1	3968	1
3535	}	3969	}
3536		3970
3537	our $uuid_lock;	3971	our $uuid_lock;
…		…
3549	or return;	3983	or return;
3550		3984
3551	my $value = uuid_seq uuid_cur;	3985	my $value = uuid_seq uuid_cur;
3552		3986
3553	unless ($value) {	3987	unless ($value) {
3554	warn "cowardly refusing to write zero uuid value!\n";	3988	info "cowardly refusing to write zero uuid value!\n";
3555	return;	3989	return;
3556	}	3990	}
3557		3991
3558	my $value = uuid_str $value + $uuid_skip;	3992	my $value = uuid_str $value + $uuid_skip;
3559	$uuid_skip = 0;	3993	$uuid_skip = 0;
…		…
3569	or return;	4003	or return;
3570		4004
3571	aio_rename "$uuid~", $uuid	4005	aio_rename "$uuid~", $uuid
3572	and return;	4006	and return;
3573		4007
3574	warn "uuid file written ($value).\n";	4008	trace "uuid file written ($value).\n";
3575		4009
3576	1	4010	1
3577		4011
3578	}	4012	}
3579		4013
…		…
3585	}	4019	}
3586		4020
3587	sub emergency_save() {	4021	sub emergency_save() {
3588	my $freeze_guard = cf::freeze_mainloop;	4022	my $freeze_guard = cf::freeze_mainloop;
3589		4023
3590	warn "emergency_perl_save: enter\n";	4024	info "emergency_perl_save: enter\n";
		4025
		4026	# this is a trade-off: we want to be very quick here, so
		4027	# save all maps without fsync, and later call a global sync
		4028	# (which in turn might be very very slow)
		4029	local $USE_FSYNC = 0;
3591		4030
3592	cf::sync_job {	4031	cf::sync_job {
3593	# this is a trade-off: we want to be very quick here, so	4032	cf::write_runtime_sync; # external watchdog should not bark
3594	# save all maps without fsync, and later call a global sync
3595	# (which in turn might be very very slow)
3596	local $USE_FSYNC = 0;
3597		4033
3598	# use a peculiar iteration method to avoid tripping on perl	4034	# use a peculiar iteration method to avoid tripping on perl
3599	# refcount bugs in for. also avoids problems with players	4035	# refcount bugs in for. also avoids problems with players
3600	# and maps saved/destroyed asynchronously.	4036	# and maps saved/destroyed asynchronously.
3601	warn "emergency_perl_save: begin player save\n";	4037	info "emergency_perl_save: begin player save\n";
3602	for my $login (keys %cf::PLAYER) {	4038	for my $login (keys %cf::PLAYER) {
3603	my $pl = $cf::PLAYER{$login} or next;	4039	my $pl = $cf::PLAYER{$login} or next;
3604	$pl->valid or next;	4040	$pl->valid or next;
3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4041	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3606	$pl->save;	4042	$pl->save;
3607	}	4043	}
3608	warn "emergency_perl_save: end player save\n";	4044	info "emergency_perl_save: end player save\n";
3609		4045
		4046	cf::write_runtime_sync; # external watchdog should not bark
		4047
3610	warn "emergency_perl_save: begin map save\n";	4048	info "emergency_perl_save: begin map save\n";
3611	for my $path (keys %cf::MAP) {	4049	for my $path (keys %cf::MAP) {
3612	my $map = $cf::MAP{$path} or next;	4050	my $map = $cf::MAP{$path} or next;
3613	$map->valid or next;	4051	$map->valid or next;
3614	$map->save;	4052	$map->save;
3615	}	4053	}
3616	warn "emergency_perl_save: end map save\n";	4054	info "emergency_perl_save: end map save\n";
3617		4055
		4056	cf::write_runtime_sync; # external watchdog should not bark
		4057
3618	warn "emergency_perl_save: begin database checkpoint\n";	4058	info "emergency_perl_save: begin database checkpoint\n";
3619	BDB::db_env_txn_checkpoint $DB_ENV;	4059	BDB::db_env_txn_checkpoint $DB_ENV;
3620	warn "emergency_perl_save: end database checkpoint\n";	4060	info "emergency_perl_save: end database checkpoint\n";
3621		4061
3622	warn "emergency_perl_save: begin write uuid\n";	4062	info "emergency_perl_save: begin write uuid\n";
3623	write_uuid_sync 1;	4063	write_uuid_sync 1;
3624	warn "emergency_perl_save: end write uuid\n";	4064	info "emergency_perl_save: end write uuid\n";
		4065
		4066	cf::write_runtime_sync; # external watchdog should not bark
		4067
		4068	trace "emergency_perl_save: syncing database to disk";
		4069	BDB::db_env_txn_checkpoint $DB_ENV;
		4070
		4071	info "emergency_perl_save: starting sync\n";
		4072	IO::AIO::aio_sync sub {
		4073	info "emergency_perl_save: finished sync\n";
		4074	};
		4075
		4076	cf::write_runtime_sync; # external watchdog should not bark
		4077
		4078	trace "emergency_perl_save: flushing outstanding aio requests";
		4079	while (IO::AIO::nreqs || BDB::nreqs) {
		4080	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4081	}
		4082
		4083	cf::write_runtime_sync; # external watchdog should not bark
3625	};	4084	};
3626		4085
3627	warn "emergency_perl_save: starting sync()\n";
3628	IO::AIO::aio_sync sub {
3629	warn "emergency_perl_save: finished sync()\n";
3630	};
3631
3632	warn "emergency_perl_save: leave\n";	4086	info "emergency_perl_save: leave\n";
3633	}	4087	}
3634		4088
3635	sub post_cleanup {	4089	sub post_cleanup {
3636	my ($make_core) = @_;	4090	my ($make_core) = @_;
3637		4091
		4092	IO::AIO::flush;
		4093
3638	warn Carp::longmess "post_cleanup backtrace"	4094	error Carp::longmess "post_cleanup backtrace"
3639	if $make_core;	4095	if $make_core;
3640		4096
3641	my $fh = pidfile;	4097	my $fh = pidfile;
3642	unlink $PIDFILE if <$fh> == $$;	4098	unlink $PIDFILE if <$fh> == $$;
3643	}	4099	}
…		…
3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4119	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3664	for my $name (keys %$leaf_symtab) {	4120	for my $name (keys %$leaf_symtab) {
3665	_gv_clear *{"$pkg$name"};	4121	_gv_clear *{"$pkg$name"};
3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4122	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3667	}	4123	}
3668	warn "cleared package $pkg\n";#d#
3669	}	4124	}
3670		4125
3671	sub do_reload_perl() {	4126	sub do_reload_perl() {
3672	# can/must only be called in main	4127	# can/must only be called in main
3673	if ($Coro::current != $Coro::main) {	4128	unless (in_main) {
3674	warn "can only reload from main coroutine";	4129	error "can only reload from main coroutine";
3675	return;	4130	return;
3676	}	4131	}
3677		4132
3678	return if $RELOAD++;	4133	return if $RELOAD++;
3679		4134
3680	my $t1 = EV::time;	4135	my $t1 = AE::time;
3681		4136
3682	while ($RELOAD) {	4137	while ($RELOAD) {
3683	warn "reloading...";	4138	cf::get_slot 0.1, -1, "reload_perl";
		4139	info "perl_reload: reloading...";
3684		4140
3685	warn "entering sync_job";	4141	trace "perl_reload: entering sync_job";
3686		4142
3687	cf::sync_job {	4143	cf::sync_job {
3688	cf::write_runtime_sync; # external watchdog should not bark
3689	cf::emergency_save;	4144	#cf::emergency_save;
3690	cf::write_runtime_sync; # external watchdog should not bark
3691		4145
3692	warn "syncing database to disk";
3693	BDB::db_env_txn_checkpoint $DB_ENV;
3694
3695	# if anything goes wrong in here, we should simply crash as we already saved
3696
3697	warn "flushing outstanding aio requests";
3698	while (IO::AIO::nreqs || BDB::nreqs) {
3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3700	}
3701
3702	warn "cancelling all extension coros";	4146	trace "perl_reload: cancelling all extension coros";
3703	$_->cancel for values %EXT_CORO;	4147	$_->cancel for values %EXT_CORO;
3704	%EXT_CORO = ();	4148	%EXT_CORO = ();
3705		4149
3706	warn "removing commands";	4150	trace "perl_reload: removing commands";
3707	%COMMAND = ();	4151	%COMMAND = ();
3708		4152
3709	warn "removing ext/exti commands";	4153	trace "perl_reload: removing ext/exti commands";
3710	%EXTCMD = ();	4154	%EXTCMD = ();
3711	%EXTICMD = ();	4155	%EXTICMD = ();
3712		4156
3713	warn "unloading/nuking all extensions";	4157	trace "perl_reload: unloading/nuking all extensions";
3714	for my $pkg (@EXTS) {	4158	for my $pkg (@EXTS) {
3715	warn "... unloading $pkg";	4159	trace "... unloading $pkg";
3716		4160
3717	if (my $cb = $pkg->can ("unload")) {	4161	if (my $cb = $pkg->can ("unload")) {
3718	eval {	4162	eval {
3719	$cb->($pkg);	4163	$cb->($pkg);
3720	1	4164	1
3721	} or warn "$pkg unloaded, but with errors: $@";	4165	} or error "$pkg unloaded, but with errors: $@";
3722	}	4166	}
3723		4167
3724	warn "... clearing $pkg";	4168	trace "... clearing $pkg";
3725	clear_package $pkg;	4169	clear_package $pkg;
3726	}	4170	}
3727		4171
3728	warn "unloading all perl modules loaded from $LIBDIR";	4172	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3729	while (my ($k, $v) = each %INC) {	4173	while (my ($k, $v) = each %INC) {
3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4174	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3731		4175
3732	warn "... unloading $k";	4176	trace "... unloading $k";
3733	delete $INC{$k};	4177	delete $INC{$k};
3734		4178
3735	$k =~ s/\.pm$//;	4179	$k =~ s/\.pm$//;
3736	$k =~ s/\//::/g;	4180	$k =~ s/\//::/g;
3737		4181
…		…
3740	}	4184	}
3741		4185
3742	clear_package $k;	4186	clear_package $k;
3743	}	4187	}
3744		4188
3745	warn "getting rid of safe::, as good as possible";	4189	trace "perl_reload: getting rid of safe::, as good as possible";
3746	clear_package "safe::$_"	4190	clear_package "safe::$_"
3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4191	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3748		4192
3749	warn "unloading cf.pm \"a bit\"";	4193	trace "perl_reload: unloading cf.pm \"a bit\"";
3750	delete $INC{"cf.pm"};	4194	delete $INC{"cf.pm"};
3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;	4195	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3752		4196
3753	# don't, removes xs symbols, too,	4197	# don't, removes xs symbols, too,
3754	# and global variables created in xs	4198	# and global variables created in xs
3755	#clear_package __PACKAGE__;	4199	#clear_package __PACKAGE__;
3756		4200
3757	warn "unload completed, starting to reload now";	4201	info "perl_reload: unload completed, starting to reload now";
3758		4202
3759	warn "reloading cf.pm";	4203	trace "perl_reload: reloading cf.pm";
3760	require cf;	4204	require cf;
3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4205	cf::_connect_to_perl_1;
3762		4206
3763	warn "loading config and database again";	4207	trace "perl_reload: loading config and database again";
3764	cf::reload_config;	4208	cf::reload_config;
3765		4209
3766	warn "loading extensions";	4210	trace "perl_reload: loading extensions";
3767	cf::load_extensions;	4211	cf::load_extensions;
3768		4212
3769	if ($REATTACH_ON_RELOAD) {	4213	if ($REATTACH_ON_RELOAD) {
3770	warn "reattaching attachments to objects/players";	4214	trace "perl_reload: reattaching attachments to objects/players";
3771	_global_reattach; # objects, sockets	4215	_global_reattach; # objects, sockets
3772	warn "reattaching attachments to maps";	4216	trace "perl_reload: reattaching attachments to maps";
3773	reattach $_ for values %MAP;	4217	reattach $_ for values %MAP;
3774	warn "reattaching attachments to players";	4218	trace "perl_reload: reattaching attachments to players";
3775	reattach $_ for values %PLAYER;	4219	reattach $_ for values %PLAYER;
3776	}	4220	}
3777		4221
3778	warn "running post_init jobs";	4222	cf::_post_init 1;
3779	(pop @POST_INIT)->(1) while @POST_INIT;
3780		4223
3781	warn "leaving sync_job";	4224	trace "perl_reload: leaving sync_job";
3782		4225
3783	1	4226	1
3784	} or do {	4227	} or do {
3785	warn $@;	4228	error $@;
3786	cf::cleanup "error while reloading, exiting.";	4229	cf::cleanup "perl_reload: error, exiting.";
3787	};	4230	};
3788		4231
3789	warn "reloaded";
3790	--$RELOAD;	4232	--$RELOAD;
3791	}	4233	}
3792		4234
3793	$t1 = EV::time - $t1;	4235	$t1 = AE::time - $t1;
3794	warn "reload completed in ${t1}s\n";	4236	info "perl_reload: completed in ${t1}s\n";
3795	};	4237	};
3796		4238
3797	our $RELOAD_WATCHER; # used only during reload	4239	our $RELOAD_WATCHER; # used only during reload
3798		4240
3799	sub reload_perl() {	4241	sub reload_perl() {
…		…
3801	# coro crashes during coro_state_free->destroy here.	4243	# coro crashes during coro_state_free->destroy here.
3802		4244
3803	$RELOAD_WATCHER ||= cf::async {	4245	$RELOAD_WATCHER ||= cf::async {
3804	Coro::AIO::aio_wait cache_extensions;	4246	Coro::AIO::aio_wait cache_extensions;
3805		4247
3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {	4248	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3807	do_reload_perl;	4249	do_reload_perl;
3808	undef $RELOAD_WATCHER;	4250	undef $RELOAD_WATCHER;
3809	};	4251	};
3810	};	4252	};
3811	}	4253	}
…		…
3820	reload_perl;	4262	reload_perl;
3821	};	4263	};
3822	}	4264	}
3823	};	4265	};
3824		4266
3825	unshift @INC, $LIBDIR;	4267	#############################################################################
3826		4268
3827	my $bug_warning = 0;	4269	my $bug_warning = 0;
3828		4270
3829	our @WAIT_FOR_TICK;
3830	our @WAIT_FOR_TICK_BEGIN;
3831
3832	sub wait_for_tick {	4271	sub wait_for_tick() {
3833	return if tick_inhibit || $Coro::current == $Coro::main;	4272	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3834		4273
3835	my $signal = new Coro::Signal;	4274	$WAIT_FOR_TICK->wait;
3836	push @WAIT_FOR_TICK, $signal;
3837	$signal->wait;
3838	}	4275	}
3839		4276
3840	sub wait_for_tick_begin {	4277	sub wait_for_tick_begin() {
3841	return if tick_inhibit || $Coro::current == $Coro::main;	4278	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3842		4279
3843	my $signal = new Coro::Signal;	4280	my $signal = new Coro::Signal;
3844	push @WAIT_FOR_TICK_BEGIN, $signal;	4281	push @WAIT_FOR_TICK_BEGIN, $signal;
3845	$signal->wait;	4282	$signal->wait;
3846	}	4283	}
…		…
3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4287	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3851	unless ++$bug_warning > 10;	4288	unless ++$bug_warning > 10;
3852	return;	4289	return;
3853	}	4290	}
3854		4291
3855	cf::server_tick; # one server iteration	4292	cf::one_tick; # one server iteration
		4293
		4294	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3856		4295
3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4297	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3859	Coro::async_pool {	4298	Coro::async_pool {
3860	$Coro::current->{desc} = "runtime saver";	4299	$Coro::current->{desc} = "runtime saver";
3861	write_runtime_sync	4300	write_runtime_sync
3862	or warn "ERROR: unable to write runtime file: $!";	4301	or error "ERROR: unable to write runtime file: $!";
3863	};	4302	};
3864	}	4303	}
3865		4304
3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4305	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3867	$sig->send;	4306	$sig->send;
3868	}	4307	}
3869	while (my $sig = shift @WAIT_FOR_TICK) {	4308	$WAIT_FOR_TICK->broadcast;
3870	$sig->send;
3871	}
3872		4309
3873	$LOAD = ($NOW - $TICK_START) / $TICK;	4310	$LOAD = ($NOW - $TICK_START) / $TICK;
3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4311	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3875		4312
3876	if (0) {	4313	if (0) {
3877	if ($NEXT_TICK) {	4314	if ($NEXT_TICK) {
3878	my $jitter = $TICK_START - $NEXT_TICK;	4315	my $jitter = $TICK_START - $NEXT_TICK;
3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4316	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3880	warn "jitter $JITTER\n";#d#	4317	debug "jitter $JITTER\n";#d#
3881	}	4318	}
3882	}	4319	}
3883	}	4320	}
3884		4321
3885	{	4322	{
3886	# configure BDB	4323	# configure BDB
		4324	info "initialising database";
3887		4325
3888	BDB::min_parallel 8;	4326	BDB::min_parallel 16;
3889	BDB::max_poll_reqs $TICK * 0.1;	4327	BDB::max_poll_reqs $TICK * 0.1;
3890	$AnyEvent::BDB::WATCHER->priority (1);	4328	#$AnyEvent::BDB::WATCHER->priority (1);
3891		4329
3892	unless ($DB_ENV) {	4330	unless ($DB_ENV) {
3893	$DB_ENV = BDB::db_env_create;	4331	$DB_ENV = BDB::db_env_create;
3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4332	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4333	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4358	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3921	};	4359	};
3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4360	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4361	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3924	};	4362	};
		4363
		4364	info "database initialised";
3925	}	4365	}
3926		4366
3927	{	4367	{
3928	# configure IO::AIO	4368	# configure IO::AIO
3929		4369
		4370	info "initialising aio";
3930	IO::AIO::min_parallel 8;	4371	IO::AIO::min_parallel 8;
3931	IO::AIO::max_poll_time $TICK * 0.1;	4372	IO::AIO::max_poll_time $TICK * 0.1;
3932	undef $AnyEvent::AIO::WATCHER;	4373	undef $AnyEvent::AIO::WATCHER;
		4374	info "aio initialised";
3933	}	4375	}
3934		4376
3935	my $_log_backtrace;	4377	our $_log_backtrace;
		4378	our $_log_backtrace_last;
3936		4379
3937	sub _log_backtrace {	4380	sub _log_backtrace {
3938	my ($msg, @addr) = @_;	4381	my ($msg, @addr) = @_;
3939		4382
3940	$msg =~ s/\n//;	4383	$msg =~ s/\n$//;
3941		4384
		4385	if ($_log_backtrace_last eq $msg) {
		4386	LOG llevInfo, "[ABT] $msg\n";
		4387	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3942	# limit the # of concurrent backtraces	4388	# limit the # of concurrent backtraces
3943	if ($_log_backtrace < 2) {	4389	} elsif ($_log_backtrace < 2) {
		4390	$_log_backtrace_last = $msg;
3944	++$_log_backtrace;	4391	++$_log_backtrace;
3945	my $perl_bt = Carp::longmess $msg;	4392	my $perl_bt = Carp::longmess $msg;
3946	async {	4393	async {
3947	$Coro::current->{desc} = "abt $msg";	4394	$Coro::current->{desc} = "abt $msg";
3948		4395
…		…
3968	LOG llevInfo, "[ABT] $_\n" for @bt;	4415	LOG llevInfo, "[ABT] $_\n" for @bt;
3969	--$_log_backtrace;	4416	--$_log_backtrace;
3970	};	4417	};
3971	} else {	4418	} else {
3972	LOG llevInfo, "[ABT] $msg\n";	4419	LOG llevInfo, "[ABT] $msg\n";
3973	LOG llevInfo, "[ABT] [suppressed]\n";	4420	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3974	}	4421	}
3975	}	4422	}
3976		4423
3977	# load additional modules	4424	# load additional modules
3978	require "cf/$_.pm" for @EXTRA_MODULES;	4425	require "cf/$_.pm" for @EXTRA_MODULES;
		4426	cf::_connect_to_perl_2;
3979		4427
3980	END { cf::emergency_save }	4428	END { cf::emergency_save }
3981		4429
3982	1	4430	1
3983		4431

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