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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC vs.
Revision 1.517 by root, Thu Apr 15 06:07:51 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.64 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
24	use Coro::Util ();	53	use Coro::Util ();
25		54
26	use JSON::XS ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.32 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
75		115
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	118	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
86		127
87	our %CFG;	128	our %CFG;
88		129
89	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
91		133
92	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
95		137
96	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		140
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
102		150
103	binmode STDOUT;	151	binmode STDOUT;
104	binmode STDERR;	152	binmode STDERR;
105		153
106	# read virtual server time, if available	154	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
111	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
112		162
113	mkdir $_	163	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		165
116	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
117		167
118	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		180
120	#############################################################################	181	#############################################################################
121		182
122	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
123		184
…		…
159		220
160	The raw value load value from the last tick.	221	The raw value load value from the last tick.
161		222
162	=item %cf::CFG	223	=item %cf::CFG
163		224
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	226	from wherever your confdir points to.
166		227
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		229
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		233
173	=item @cf::INVOKE_RESULTS	234	=item @cf::INVOKE_RESULTS
174		235
175	This array contains the results of the last C<invoke ()> call. When	236	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	238	that call.
178		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
179	=back	246	=back
180		247
181	=cut	248	=cut
182		249
183	BEGIN {	250	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	251	my $msg = join "", @_;
186		252
187	$msg .= "\n"	253	$msg .= "\n"
188	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
189		255
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		257
192	utf8::encode $msg;
193	LOG llevError, $msg;	258	LOG llevError, $msg;
194	};	259	};
195	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
196		274
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	285	for my $pkg (qw(
208	cf::global cf::attachable	286	cf::global cf::attachable
209	cf::object cf::object::player	287	cf::object cf::object::player
210	cf::client cf::player	288	cf::client cf::player
211	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
212	cf::map cf::party cf::region	291	cf::party cf::region
213	)) {	292	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	294	}
217		295
218	$Event::DIED = sub {	296	$EV::DIED = sub {
219	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
220	};	298	};
221		299
222	#############################################################################	300	#############################################################################
223		301
224	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	325	$d
248	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
249	}	327	}
250		328
251	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
252		330
253	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
254		332
255	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
256		334
257	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
258		336
259	=cut	337	=cut
260		338
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		340
263	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
265		357
266	=item cf::lock_wait $string	358	=item cf::lock_wait $string
267		359
268	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
269		361
270	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
271		363
272	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
275	returned.	367	returned.
276		368
277	Locks are *not* recursive, locking from the same coro twice results in a	369	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	370	deadlocked coro.
…		…
284		376
285	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
286		378
287	=cut	379	=cut
288		380
289	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
290		382
291	sub lock_wait($) {	383	sub lock_wait($) {
292	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	385	}
300		386
301	sub lock_acquire($) {	387	sub lock_acquire($) {
302	my ($key) = @_;	388	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	389	}
314		390
315	sub lock_active($) {	391	sub lock_active($) {
316	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	393	}
320		394
321	sub freeze_mainloop {	395	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
323		397
324	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	399	}
326	};	400
327	$TICK_WATCHER->stop;	401	=item cf::periodic $interval, $cb
328	$guard	402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
329	}	414	}
330		415
331	=item cf::get_slot $time[, $priority[, $name]]	416	=item cf::get_slot $time[, $priority[, $name]]
332		417
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341		426
342	=cut	427	=cut
343		428
344	our @SLOT_QUEUE;	429	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
346		432
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
349	my $signal = new Coro::Signal;	437	my $signal = new Coro::Signal;
		438	my $busy;
350		439
351	while () {	440	while () {
352	next_job:	441	next_job:
		442
353	my $avail = cf::till_tick;	443	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	444
355	for (0 .. $#SLOT_QUEUE) {	445	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	448	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	449	$job->[2]->send;
359	Coro::cede;	450	Coro::cede;
360	goto next_job;	451	goto next_job;
361	}	452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	454	}
363	}	455	}
364		456
365	if (@SLOT_QUEUE) {	457	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	459	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	460	$signal->wait;
369	} else {	461	} else {
		462	$busy = 0;
370	Coro::schedule;	463	Coro::schedule;
371	}	464	}
372	}	465	}
373	};	466	};
374		467
375	sub get_slot($;$$) {	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
376	my ($time, $pri, $name) = @_;	471	my ($time, $pri, $name) = @_;
377		472
378	$time = $TICK * .6 if $time > $TICK * .6;	473	$time = clamp $time, 0.01, $TICK * .6;
		474
379	my $sig = new Coro::Signal;	475	my $sig = new Coro::Signal;
380		476
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	479	$SLOT_QUEUE->ready;
…		…
394		490
395	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
396		492
397	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
398		494
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	498	acceptable.
403		499
404	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		506
411	sub sync_job(&) {	507	sub sync_job(&) {
412	my ($job) = @_;	508	my ($job) = @_;
413		509
414	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	511	my $time = AE::time;
416		512
417	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
419		515
420	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	517
422	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
423		519
424	my $busy = 1;	520	my $busy = 1;
425	my @res;	521	my @res;
426		522
427	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	525	@res = eval { $job->() };
429	warn $@ if $@;	526	warn $@ if $@;
430	undef $busy;	527	undef $busy;
431	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
432		529
433	while ($busy) {	530	while ($busy) {
434	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
435	}	535	}
		536	}
436		537
437	$time = Event::time - $time;	538	my $time = AE::time - $time;
438		539
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
443		541
444	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
445	} else {	543	} else {
446	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
447		545
…		…
472	=item fork_call { }, $args	570	=item fork_call { }, $args
473		571
474	Executes the given code block with the given arguments in a seperate	572	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	574	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
478		576
479	=cut	577	=cut
480		578
481	sub fork_call(&@) {	579	sub fork_call(&@) {
482	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
483		581
484	# we seemingly have to make a local copy of the whole thing,	582	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	583	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	584	# TODO: investigate and fix (likely this will be rather laborious)
487		585
488	my @res = Coro::Util::fork_eval {	586	my @res = Coro::Util::fork_eval {
489	reset_signals;	587	reset_signals;
490	&$cb	588	&$cb
491	}, @args;	589	}, @args;
492		590
493	wantarray ? @res : $res[-1]	591	wantarray ? @res : $res[-1]
494	}	592	}
495		593
		594	sub objinfo {
		595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
496	=item $value = cf::db_get $family => $key	632	=item $value = cf::db_get $family => $key
497		633
498	Returns a single value from the environment database.	634	Returns a single value from the environment database.
499		635
500	=item cf::db_put $family => $key => $value	636	=item cf::db_put $family => $key => $value
501		637
502	Stores the given C<$value> in the family. It can currently store binary	638	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
505	=cut	646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
506		664
507	our $DB;	665	our $DB;
508		666
509	sub db_init {	667	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	668	cf::sync_job {
514	eval {	669	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	670	};
524	}	671	}
525		672
526	sub db_get($$) {	673	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	674	my $key = "$_[0]/$_[1]";
528		675
…		…
626		773
627	#############################################################################	774	#############################################################################
628		775
629	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
630		777
631	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
634		781
635	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	784	Deliantra).
638		785
639	=over 4	786	=over 4
640		787
641	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
642		789
…		…
686	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
687		834
688	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
690		837
691	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
693		840
694	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
695		842
696	=over 4	843	=over 4
…		…
924	}	1071	}
925		1072
926	0	1073	0
927	}	1074	}
928		1075
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1077
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1079
933	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
934		1081
…		…
940		1087
941	=cut	1088	=cut
942		1089
943	#############################################################################	1090	#############################################################################
944	# object support	1091	# object support
945	#
946		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
947	sub _can_merge {	1126	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1127	my ($ob1, $ob2) = @_;
949		1128
950	local $Storable::canonical = 1;	1129	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1130
954	$fob1 eq $fob2	1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
955	}	1133	}
956		1134
957	sub reattach {	1135	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1137	my ($obj) = @_;
960		1138
		1139	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1141
963	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
964		1143
965	@$registry = ();	1144	@$registry = ();
966		1145
…		…
981	cf::attachable->attach (	1160	cf::attachable->attach (
982	prio => -1000000,	1161	prio => -1000000,
983	on_instantiate => sub {	1162	on_instantiate => sub {
984	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
985		1164
986	$data = from_json $data;	1165	$data = decode_json $data;
987		1166
988	for (@$data) {	1167	for (@$data) {
989	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
990		1169
991	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1186	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
1009		1188
1010	sync_job {	1189	sync_job {
1011	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
1014		1194
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1200	aio_fsync $fh;
		1201	}
1019	close $fh;	1202	aio_close $fh;
1020		1203
1021	if (@$objs) {	1204	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1211	aio_fsync $fh;
		1212	}
1027	close $fh;	1213	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1215	}
1030	} else {	1216	} else {
1031	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
1032	}	1218	}
1033		1219
1034	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1224	} else {
1036	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
1037	}	1226	}
1038	} else {	1227	} else {
1039	aio_unlink $filename;	1228	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
1041	}	1230	}
1042	}	1231	};
1043	}	1232	}
1044		1233
1045	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
1047		1236
…		…
1059	or return;	1248	or return;
1060		1249
1061	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1252	or return;
		1253
1064	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
1065	}	1256	}
1066		1257
		1258	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1260	$decname, length $data, scalar @{$av || []};
		1261
1069	return ($data, $av);	1262	($data, $av)
1070	}	1263	}
1071		1264
1072	=head2 COMMAND CALLBACKS	1265	=head2 COMMAND CALLBACKS
1073		1266
1074	=over 4	1267	=over 4
…		…
1128	my ($name, $cb) = @_;	1321	my ($name, $cb) = @_;
1129		1322
1130	$EXTICMD{$name} = $cb;	1323	$EXTICMD{$name} = $cb;
1131	}	1324	}
1132		1325
		1326	use File::Glob ();
		1327
1133	cf::player->attach (	1328	cf::player->attach (
1134	on_command => sub {	1329	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1136		1331
1137	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1138	or return;	1333	or return;
1139		1334
…		…
1169		1364
1170	cf::override;	1365	cf::override;
1171	},	1366	},
1172	);	1367	);
1173		1368
		1369	# "readahead" all extensions
		1370	sub cache_extensions {
		1371	my $grp = IO::AIO::aio_group;
		1372
		1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1374	for (grep /\.ext$/, @{$_[0]}) {
		1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1376	}
		1377	};
		1378
		1379	$grp
		1380	}
		1381
1174	sub load_extensions {	1382	sub load_extensions {
1175	cf::sync_job {	1383	cf::sync_job {
1176	my %todo;	1384	my %todo;
1177		1385
1178	for my $path (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
…		…
1197		1405
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1408
1201	$ext{source} =	1409	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1411	. "#line 1 \"$path\"\n{\n"
1204	. $source	1412	. $source
1205	. "\n};\n1";	1413	. "\n};\n1";
1206		1414
1207	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1208	}	1416	}
1209		1417
		1418	my $pass = 0;
1210	my %done;	1419	my %done;
1211	while (%todo) {	1420	while (%todo) {
1212	my $progress;	1421	my $progress;
1213		1422
		1423	++$pass;
		1424
		1425	ext:
1214	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1428	next ext
1217	unless exists $done{$_};	1429	unless exists $done{$_};
1218	}	1430	}
1219		1431
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1433
1222	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1440	if exists $v->{meta}{mandatory};
1227	warn $msg;	1441	} else {
1228	warn "mandatory extension failed to load, exiting.\n";	1442	$done{$k} = delete $todo{$k};
1229	exit 1;	1443	push @EXTS, $v->{pkg};
1230	}	1444	$progress = 1;
1231		1445
1232	warn $msg;	1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1233	}	1448	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1449	}
1239		1450
1240	skip:	1451	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
1243	}	1459	}
1244	};	1460	};
1245	}	1461	}
1246		1462
1247	#############################################################################	1463	#############################################################################
1248		1464
1249	=back	1465	=back
1250		1466
1251	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1252		1468
1253	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1254		1470
1255	=cut	1471	=cut
1256		1472
1257	package cf::player;	1473	package cf::player;
1258		1474
1259	use Coro::AIO;	1475	use Coro::AIO;
1260		1476
1261	=head3 cf::player	1477	=head3 cf::player
1262		1478
1263	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
1264		1494
1265	=item cf::player::find $login	1495	=item cf::player::find $login
1266		1496
1267	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1268		1498
…		…
1287		1517
1288	sub exists($) {	1518	sub exists($) {
1289	my ($login) = @_;	1519	my ($login) = @_;
1290		1520
1291	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1293	}	1523	}
1294		1524
1295	sub find($) {	1525	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1527	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1538
1309	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1312	}	1548	}
1313	}	1549	}
1314	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1315		1564
1316	sub save($) {	1565	sub save($) {
1317	my ($pl) = @_;	1566	my ($pl) = @_;
1318		1567
1319	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1323		1572
1324	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1325		1574
1326	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1582
1329	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1584	cf::cede_to_tick;
1331	}	1585	}
1332		1586
…		…
1364	my ($pl) = @_;	1618	my ($pl) = @_;
1365		1619
1366	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1367		1621
1368	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1624
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1375		1631
1376	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1669	or return [];
1414		1670
1415	my @logins;	1671	my @logins;
1416		1672
1417	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1421		1683
1422	utf8::decode $login;	1684	utf8::decode $login;
1423	push @logins, $login;	1685	push @logins, $login;
1424	}	1686	}
1425		1687
…		…
1452	}	1714	}
1453		1715
1454	\@paths	1716	\@paths
1455	}	1717	}
1456		1718
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1720
1459	Expand crossfire pod fragments into protocol xml.	1721	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1722
1508	=item $player->ext_reply ($msgid, @msg)	1723	=item $player->ext_reply ($msgid, @msg)
1509		1724
1510	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1511		1726
…		…
1578	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1580		1795
1581	sub generate_random_map {	1796	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1583	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1802	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1588	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1589	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1709		1927
1710	# the temporary/swap location	1928	# the temporary/swap location
1711	sub save_path {	1929	sub save_path {
1712	my ($self) = @_;	1930	my ($self) = @_;
1713		1931
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1716	}	1934	}
1717		1935
1718	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1719	sub uniq_path {	1937	sub uniq_path {
1720	my ($self) = @_;	1938	my ($self) = @_;
1721		1939
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	1942	}
1734		1943
1735	sub decay_objects {	1944	sub decay_objects {
1736	my ($self) = @_;	1945	my ($self) = @_;
1737		1946
…		…
1750		1959
1751	sub load_header_from($) {	1960	sub load_header_from($) {
1752	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1753		1962
1754	utf8::encode $path;	1963	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1760		1972
1761	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1762		1974
1763	1	1975	1
1764	}	1976	}
…		…
1818	sub find {	2030	sub find {
1819	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1820		2032
1821	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1822		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1824		2037
1825	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1828	or return;	2040	or return;
1829		2041
1830	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1831		2043
…		…
1833	or return;	2045	or return;
1834		2046
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1838	$map->reset;	2052	$map->reset;
1839	undef $guard;
1840	return find $path;	2053	return find $path;
1841	}	2054	}
1842		2055
1843	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1844	}	2057	}
1845	}	2058	}
1846		2059
1847	sub pre_load { }	2060	sub pre_load { }
1848	sub post_load { }	2061	#sub post_load { } # XS
1849		2062
1850	sub load {	2063	sub load {
1851	my ($self) = @_;	2064	my ($self) = @_;
1852		2065
1853	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1854		2067
1855	my $path = $self->{path};	2068	my $path = $self->{path};
1856		2069
1857	{	2070	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2072
		2073	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2075
1863	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1864		2077
1865	$self->alloc;	2078	$self->alloc;
1866		2079
1867	$self->pre_load;	2080	$self->pre_load;
1868	cf::cede_to_tick;	2081	cf::cede_to_tick;
1869		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1871	or return;	2086	or return;
1872		2087
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1874	if delete $self->{load_original};	2089	if delete $self->{load_original};
1875		2090
1876	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2092	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2095	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1881	}	2099	}
1882	}	2100	}
		2101
		2102	$f->resolve_delayed_derefs;
1883		2103
1884	cf::cede_to_tick;	2104	cf::cede_to_tick;
1885	# now do the right thing for maps	2105	# now do the right thing for maps
1886	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
…		…
1891	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2112	$self->decay_objects;
1893	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1894	$self->update_buttons;	2114	$self->update_buttons;
1895	cf::cede_to_tick;	2115	cf::cede_to_tick;
1896	$self->set_darkness_map;
1897	cf::cede_to_tick;
1898	$self->activate;	2116	$self->activate;
1899	}	2117	}
1900		2118
1901	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
1903		2121
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2123	}
1906		2124
1907	$self->post_load;	2125	$self->post_load;
1908	}	2126	}
1909		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1910	sub customise_for {	2131	sub customise_for {
1911	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1912		2133
1913	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1914	if $self->per_player;	2135	if $self->per_player;
…		…
1967	my ($path, $origin, $load) = @_;	2188	my ($path, $origin, $load) = @_;
1968		2189
1969	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1970		2191
1971	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2194	}
1974		2195
1975	$MAP_PREFETCH{$path} |= $load;	2196	$MAP_PREFETCH{$path} |= $load;
1976		2197
1977	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1978	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2203	if (my $map = find $k) {
1981	$map->load if $v;	2204	$map->load if $v;
1982	}	2205	}
…		…
2008	return if $self->{deny_save};	2231	return if $self->{deny_save};
2009		2232
2010	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
2011		2234
2012	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
2014	};	2238	};
		2239
		2240	cf::get_slot 0.02;
2015		2241
2016	if ($uniq) {	2242	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2245	} else {
…		…
2028	$self->save;	2254	$self->save;
2029		2255
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2257
2032	return if $self->players;	2258	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2260	return if $self->{deny_save};
2035		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2266	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2267	}
2039		2268
2040	sub reset_at {	2269	sub reset_at {
2041	my ($self) = @_;	2270	my ($self) = @_;
2042		2271
…		…
2060		2289
2061	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
2062		2291
2063	return if $self->players;	2292	return if $self->players;
2064		2293
2065	warn "resetting map ", $self->path;	2294	warn "resetting map ", $self->path, "\n";
2066		2295
2067	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
2068		2297
2069	# need to save uniques path	2298	# need to save uniques path
2070	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
2074	if $uniq;	2303	if $uniq;
2075	}	2304	}
2076		2305
2077	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
2078		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2310	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2311
2083	$self->unlink_save;	2312	$self->unlink_save;
2084	$self->destroy;	2313	$self->destroy;
2085	}	2314	}
2086		2315
…		…
2153		2382
2154	sub unique_maps() {	2383	sub unique_maps() {
2155	[	2384	[
2156	map {	2385	map {
2157	utf8::decode $_;	2386	utf8::decode $_;
2158	/\.map$/	2387	s/\.map$//; # TODO future compatibility hack
		2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
2159	? normalise $_	2390	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2391	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2392	]
2163	}	2393	}
2164		2394
2165	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
2166		2426
2167	=back	2427	=back
2168		2428
2169	=head3 cf::object	2429	=head3 cf::object
2170		2430
…		…
2174		2434
2175	=over 4	2435	=over 4
2176		2436
2177	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
2178		2438
2179	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
2180		2441
2181	=cut	2442	=cut
2182		2443
2183	sub inv_recursive_;	2444	sub inv_recursive_;
2184	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
2187		2448
2188	sub inv_recursive {	2449	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
2190	}	2451	}
2191		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
2192	package cf;	2481	package cf;
2193		2482
2194	=back	2483	=back
2195		2484
2196	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
2205		2494
2206	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
2207		2510
2208	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2512	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2526	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2528
2226	} else {	2529	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2532	}
2230	}	2533	}
2231	}	2534	}
2232		2535
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2561
2259	=item $player_object->enter_link	2562	=item $player_object->enter_link
2260		2563
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2565
2263	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
2265		2570
2266	Will never block.	2571	Will never block.
2267		2572
2268	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
2269		2574
…		…
2321	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
2322	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
2323		2628
2324	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
2325	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
2326	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
2327		2632
2328	$map->load;	2633	$map->load;
2329	$map->load_neighbours;	2634	$map->load_neighbours;
2330		2635
2331	return unless $self->contr->active;	2636	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2637
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
		2640
		2641	# only activate afterwards, to support waiting in hooks
		2642	$self->activate_recursive;
2336	}	2643	}
2337		2644
2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2339		2646
2340	Moves the player to the given map-path and coordinates by first freezing	2647	Moves the player to the given map-path and coordinates by first freezing
2341	her, loading and preparing them map, calling the provided $check callback	2648	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2649	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2650	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2651	be called at the end of this process.
2345		2652
		2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
		2655
2346	=cut	2656	=cut
2347		2657
2348	our $GOTOGEN;	2658	our $GOTOGEN;
2349		2659
2350	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2665
2356	$self->enter_link;	2666	$self->enter_link;
2357		2667
2358	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
2359	my $map = eval {	2690	my $map = eval {
2360	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
2361		2692
2362	if ($map) {	2693	if ($map) {
2363	$map = $map->customise_for ($self);	2694	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2695	$map = $check->($map) if $check && $map;
2365	} else {	2696	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2698	}
2368		2699
2369	$map	2700	$map
2370	};	2701	};
2371		2702
…		…
2407	}	2738	}
2408		2739
2409	sub prepare_random_map {	2740	sub prepare_random_map {
2410	my ($exit) = @_;	2741	my ($exit) = @_;
2411		2742
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2745	# that depends on the exit object
2417		2746
2418	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2749	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2425	}	2756	}
2426		2757
2427	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2428		2759
2429	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2432		2763
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2766	undef $fh;
2436	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2437		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2440	}	2775	}
2441	}	2776	}
2442		2777
2443	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2445		2780
2446	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2447		2782
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2783	$self->enter_link;
2460		2784
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2785	(async {
2466	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2467	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2468	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2469		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2470	1;	2809	1
2471	}) {	2810	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2815
2477	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2494	sub cf::client::send_drawinfo {	2833	sub cf::client::send_drawinfo {
2495	my ($self, $text, $flags) = @_;	2834	my ($self, $text, $flags) = @_;
2496		2835
2497	utf8::encode $text;	2836	utf8::encode $text;
2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2838	}
		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
2499	}	2863	}
2500		2864
2501	=item $client->send_msg ($channel, $msg, $color, [extra...])	2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
2502		2866
2503	Send a drawinfo or msg packet to the client, formatting the msg for the	2867	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2869	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2870	the message unless the client supports the msg packet.
2507		2871
2508	=cut	2872	=cut
2509		2873
		2874	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
2511	"c/identify" => {	2882	"c/identify" => {
2512	id => "identify",	2883	id => "infobox",
2513	title => "Identify",	2884	title => "Identify",
2514	reply => undef,	2885	reply => undef,
2515	tooltip => "Items recently identified",	2886	tooltip => "Items recently identified",
2516	},	2887	},
2517	"c/examine" => {	2888	"c/examine" => {
2518	id => "examine",	2889	id => "infobox",
2519	title => "Examine",	2890	title => "Examine",
2520	reply => undef,	2891	reply => undef,
2521	tooltip => "Signs and other items you examined",	2892	tooltip => "Signs and other items you examined",
2522	},	2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
2523	);	2986	);
2524		2987
2525	sub cf::client::send_msg {	2988	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2989	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2990
2528	$msg = $self->pl->expand_cfpod ($msg);	2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
2529		2993
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2995
2532	# check predefined channels, for the benefit of C	2996	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
2534		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
2535	if (ref $channel) {	3003	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	3004	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	3005	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	3006	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel)	3007	$self->ext_msg (channel_info => $channel);
2540	if $self->can_msg;
2541	}	3008	}
2542		3009
2543	$channel = $channel->{id};	3010	$channel = $channel->{id};
2544	}	3011	}
2545		3012
2546	return unless @extra || length $msg;	3013	return unless @extra || length $msg;
2547		3014
2548	if ($self->can_msg) {
2549	# default colour, mask it out	3015	# default colour, mask it out
2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2551	if $color & cf::NDI_DEF;	3017	if $color & cf::NDI_DEF;
2552		3018
2553	$self->send_packet ("msg " . $self->{json_coder}->encode (	3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2555	} else {	3022	);
2556	if ($color >= 0) {
2557	# replace some tags by gcfclient-compatible ones
2558	for ($msg) {
2559	1 while
2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2565	}
2566		3023
2567	$color &= cf::NDI_COLOR_MASK;	3024	$self->send_big_packet ($pkt);
2568
2569	utf8::encode $msg;
2570
2571	if (0 && $msg =~ /\[/) {
2572	# COMMAND/INFO
2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
2574	} else {
2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2576	$self->send_packet ("drawinfo $color $msg")
2577	}
2578	}
2579	}
2580	}	3025	}
2581		3026
2582	=item $client->ext_msg ($type, @msg)	3027	=item $client->ext_msg ($type, @msg)
2583		3028
2584	Sends an ext event to the client.	3029	Sends an ext event to the client.
…		…
2587		3032
2588	sub cf::client::ext_msg($$@) {	3033	sub cf::client::ext_msg($$@) {
2589	my ($self, $type, @msg) = @_;	3034	my ($self, $type, @msg) = @_;
2590		3035
2591	if ($self->extcmd == 2) {	3036	if ($self->extcmd == 2) {
2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2593	} elsif ($self->extcmd == 1) { # TODO: remove	3038	} elsif ($self->extcmd == 1) { # TODO: remove
2594	push @msg, msgtype => "event_$type";	3039	push @msg, msgtype => "event_$type";
2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2596	}	3041	}
2597	}	3042	}
2598		3043
2599	=item $client->ext_reply ($msgid, @msg)	3044	=item $client->ext_reply ($msgid, @msg)
2600		3045
…		…
2604		3049
2605	sub cf::client::ext_reply($$@) {	3050	sub cf::client::ext_reply($$@) {
2606	my ($self, $id, @msg) = @_;	3051	my ($self, $id, @msg) = @_;
2607		3052
2608	if ($self->extcmd == 2) {	3053	if ($self->extcmd == 2) {
2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2610	} elsif ($self->extcmd == 1) {	3055	} elsif ($self->extcmd == 1) {
2611	#TODO: version 1, remove	3056	#TODO: version 1, remove
2612	unshift @msg, msgtype => "reply", msgid => $id;	3057	unshift @msg, msgtype => "reply", msgid => $id;
2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2614	}	3059	}
2615	}	3060	}
2616		3061
2617	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2618		3063
…		…
2719		3164
2720	$coro	3165	$coro
2721	}	3166	}
2722		3167
2723	cf::client->attach (	3168	cf::client->attach (
2724	on_destroy => sub {	3169	on_client_destroy => sub {
2725	my ($ns) = @_;	3170	my ($ns) = @_;
2726		3171
2727	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2728	},	3173	},
2729	);	3174	);
…		…
2745	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2746		3191
2747	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2748		3193
2749	$safe->permit_only (Opcode::opset qw(	3194	$safe->permit_only (Opcode::opset qw(
2750	:base_core :base_mem :base_orig :base_math	3195	:base_core :base_mem :base_orig :base_math :base_loop
2751	grepstart grepwhile mapstart mapwhile	3196	grepstart grepwhile mapstart mapwhile
2752	sort time	3197	sort time
2753	));	3198	));
2754		3199
2755	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
…		…
2757	=pod	3202	=pod
2758		3203
2759	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2760		3205
2761	cf::object	3206	cf::object
2762	contr pay_amount pay_player map x y force_find force_add	3207	contr pay_amount pay_player map x y force_find force_add destroy
2763	insert remove name archname title slaying race decrease_ob_nr	3208	insert remove name archname title slaying race decrease split
		3209	value
2764		3210
2765	cf::object::player	3211	cf::object::player
2766	player	3212	player
2767		3213
2768	cf::player	3214	cf::player
…		…
2773		3219
2774	=cut	3220	=cut
2775		3221
2776	for (	3222	for (
2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2778	insert remove inv name archname title slaying race	3224	insert remove inv nrof name archname title slaying race
2779	decrease_ob_nr)],	3225	decrease split destroy change_exp value msg lore send_msg)],
2780	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2781	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2782	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2783	) {	3229	) {
2784	no strict 'refs';	3230	no strict 'refs';
2785	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2786	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2804		3250
2805	my $qcode = $code;	3251	my $qcode = $code;
2806	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2807	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2808		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2809	local $_;	3258	local $_;
2810	local @safe::cf::_safe_eval_args = values %vars;
2811		3259
2812	my $eval =	3260	my $eval =
2813	"do {\n"	3261	"do {\n"
2814	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2815	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2816	. $code	3264	. $code
2817	. "\n}"	3265	. "\n}"
2818	;	3266	;
2819		3267
		3268	if ($CFG{safe_eval}) {
2820	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2821	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2822	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2823		3277
2824	if ($@) {	3278	if ($@) {
2825	warn "$@";	3279	warn "$@";
2826	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2827	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2846	=cut	3300	=cut
2847		3301
2848	sub register_script_function {	3302	sub register_script_function {
2849	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2850		3304
2851	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2852	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2853	}	3307	}
2854		3308
2855	=back	3309	=back
2856		3310
2857	=cut	3311	=cut
…		…
2878		3332
2879	$facedata->{version} == 2	3333	$facedata->{version} == 2
2880	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2881		3335
2882	# patch in the exptable	3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2883	$facedata->{resource}{"res/exp_table"} = {	3338	$facedata->{resource}{"res/exp_table"} = {
2884	type => FT_RSRC,	3339	type => FT_RSRC,
2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
2886	};	3342	};
2887	cf::cede_to_tick;	3343	cf::cede_to_tick;
2888		3344
2889	{	3345	{
2890	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2891		3347
2892	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2894	cf::face::set_visibility $idx, $info->{visibility};	3351	cf::face::set_visibility $idx, $info->{visibility};
2895	cf::face::set_magicmap $idx, $info->{magicmap};	3352	cf::face::set_magicmap $idx, $info->{magicmap};
2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2898		3355
2899	cf::cede_to_tick;	3356	cf::cede_to_tick;
2900	}	3357	}
2901		3358
2902	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2903	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2904	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2905	or next;	3363	or next;
		3364
2906	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
2907	cf::face::set_smooth $idx, $smooth;	3366	cf::face::set_smooth $idx, $smooth;
2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909	} else {	3368	} else {
2910	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2924		3383
2925	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2926	}	3385	}
2927		3386
2928	{	3387	{
2929	# TODO: for gcfclient pleasure, we should give resources
2930	# that gcfclient doesn't grok a >10000 face index.
2931	my $res = $facedata->{resource};	3388	my $res = $facedata->{resource};
2932		3389
2933	my $soundconf = delete $res->{"res/sound.conf"};
2934
2935	while (my ($name, $info) = each %$res) {	3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937	my $data;
2938		3393
2939	if ($info->{type} & 1) {	3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2940	# prepend meta info	3395	cf::face::set_type $idx, $info->{type};
2941
2942	my $meta = $enc->encode ({
2943	name => $name,
2944	%{ $info->{meta} || {} },
2945	});
2946
2947	$data = pack "(w/a*)*", $meta, $info->{data};
2948	} else {	3396	} else {
2949	$data = $info->{data};	3397	$RESOURCE{$name} = $info;
2950	}	3398	}
2951		3399
2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953	cf::face::set_type $idx, $info->{type};
2954
2955	cf::cede_to_tick;	3400	cf::cede_to_tick;
2956	}	3401	}
2957
2958	if ($soundconf) {
2959	$soundconf = $enc->decode (delete $soundconf->{data});
2960
2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962	my $sound = $soundconf->{compat}[$_]
2963	or next;
2964
2965	my $face = cf::face::find "sound/$sound->[1]";
2966	cf::sound::set $sound->[0] => $face;
2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968	}
2969
2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
2971	my $face = cf::face::find "sound/$v";
2972	cf::sound::set $k => $face;
2973	}
2974	}
2975	}	3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2976		3405
2977	1	3406	1
2978	}	3407	}
		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
2979		3428
2980	register_exticmd fx_want => sub {	3429	register_exticmd fx_want => sub {
2981	my ($ns, $want) = @_;	3430	my ($ns, $want) = @_;
2982		3431
2983	while (my ($k, $v) = each %$want) {	3432	while (my ($k, $v) = each %$want) {
2984	$ns->fx_want ($k, $v);	3433	$ns->fx_want ($k, $v);
2985	}	3434	}
2986	};	3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
2987		3446
2988	sub reload_regions {	3447	sub reload_regions {
2989	# HACK to clear player env face cache, we need some signal framework	3448	# HACK to clear player env face cache, we need some signal framework
2990	# for this (global event?)	3449	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3450	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3005	}	3464	}
3006		3465
3007	sub reload_archetypes {	3466	sub reload_archetypes {
3008	load_resource_file "$DATADIR/archetypes"	3467	load_resource_file "$DATADIR/archetypes"
3009	or die "unable to load archetypes\n";	3468	or die "unable to load archetypes\n";
3010	#d# NEED to laod twice to resolve forward references
3011	# this really needs to be done in an extra post-pass
3012	# (which needs to be synchronous, so solve it differently)
3013	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";
3015	}	3469	}
3016		3470
3017	sub reload_treasures {	3471	sub reload_treasures {
3018	load_resource_file "$DATADIR/treasures"	3472	load_resource_file "$DATADIR/treasures"
3019	or die "unable to load treasurelists\n";	3473	or die "unable to load treasurelists\n";
3020	}	3474	}
3021		3475
3022	sub reload_resources {	3476	sub reload_resources {
3023	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
3024		3478
		3479	reload_facedata;
		3480	reload_archetypes;
3025	reload_regions;	3481	reload_regions;
3026	reload_facedata;
3027	#reload_archetypes;#d#
3028	reload_archetypes;
3029	reload_treasures;	3482	reload_treasures;
3030		3483
3031	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
3032	}	3485	}
3033		3486
3034	sub init {
3035	reload_resources;
3036	}
3037
3038	sub reload_config {	3487	sub reload_config {
		3488	warn "reloading config file...\n";
		3489
3039	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
3040	or return;	3491	or return;
3041		3492
3042	local $/;	3493	local $/;
3043	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
3044		3495
3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3046		3497
3047	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3048	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3052	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3053	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
3054	};	3505	};
3055	warn $@ if $@;	3506	warn $@ if $@;
3056	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
3057	}	3538	}
3058		3539
3059	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
3060	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
3061	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3063	(async {	3553	(async {
3064	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
3065	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
3066	};	3557	};
3067		3558
		3559	evthread_start IO::AIO::poll_fileno;
		3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
3068	reload_config;	3571	reload_config;
3069	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
3070	load_extensions;	3582	load_extensions;
3071		3583
3072	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
3073	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	cf::object::thawer::errors_are_fatal 0;
		3594	warn "parse errors in files are no longer fatal from this point on.\n";
		3595
		3596	main_loop;
3074	}	3597	}
3075		3598
3076	#############################################################################	3599	#############################################################################
3077	# initialisation and cleanup	3600	# initialisation and cleanup
3078		3601
3079	# install some emergency cleanup handlers	3602	# install some emergency cleanup handlers
3080	BEGIN {	3603	BEGIN {
		3604	our %SIGWATCHER = ();
3081	for my $signal (qw(INT HUP TERM)) {	3605	for my $signal (qw(INT HUP TERM)) {
3082	Event->signal (	3606	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3083	reentrant => 0,
3084	data => WF_AUTOCANCEL,
3085	signal => $signal,
3086	prio => 0,
3087	cb => sub {
3088	cf::cleanup "SIG$signal";	3607	cf::cleanup "SIG$signal";
3089	},
3090	);	3608	};
3091	}	3609	}
3092	}	3610	}
3093		3611
3094	sub write_runtime {	3612	sub write_runtime_sync {
3095	my $runtime = "$LOCALDIR/runtime";	3613	my $t0 = AE::time;
3096		3614
3097	# first touch the runtime file to show we are still running:	3615	# first touch the runtime file to show we are still running:
3098	# the fsync below can take a very very long time.	3616	# the fsync below can take a very very long time.
3099		3617
3100	IO::AIO::aio_utime $runtime, undef, undef;	3618	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3101		3619
3102	my $guard = cf::lock_acquire "write_runtime";	3620	my $guard = cf::lock_acquire "write_runtime";
3103		3621
3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3622	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3105	or return;	3623	or return;
3106		3624
3107	my $value = $cf::RUNTIME + 90 + 10;	3625	my $value = $cf::RUNTIME + 90 + 10;
3108	# 10 is the runtime save interval, for a monotonic clock	3626	# 10 is the runtime save interval, for a monotonic clock
3109	# 60 allows for the watchdog to kill the server.	3627	# 60 allows for the watchdog to kill the server.
…		…
3119	aio_utime $fh, undef, undef;	3637	aio_utime $fh, undef, undef;
3120		3638
3121	close $fh	3639	close $fh
3122	or return;	3640	or return;
3123		3641
3124	aio_rename "$runtime~", $runtime	3642	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3125	and return;	3643	and return;
3126		3644
3127	warn "runtime file written.\n";	3645	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3128		3646
3129	1	3647	1
		3648	}
		3649
		3650	our $uuid_lock;
		3651	our $uuid_skip;
		3652
		3653	sub write_uuid_sync($) {
		3654	$uuid_skip ||= $_[0];
		3655
		3656	return if $uuid_lock;
		3657	local $uuid_lock = 1;
		3658
		3659	my $uuid = "$LOCALDIR/uuid";
		3660
		3661	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3662	or return;
		3663
		3664	my $value = uuid_seq uuid_cur;
		3665
		3666	unless ($value) {
		3667	warn "cowardly refusing to write zero uuid value!\n";
		3668	return;
		3669	}
		3670
		3671	my $value = uuid_str $value + $uuid_skip;
		3672	$uuid_skip = 0;
		3673
		3674	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3675	and return;
		3676
		3677	# always fsync - this file is important
		3678	aio_fsync $fh
		3679	and return;
		3680
		3681	close $fh
		3682	or return;
		3683
		3684	aio_rename "$uuid~", $uuid
		3685	and return;
		3686
		3687	warn "uuid file written ($value).\n";
		3688
		3689	1
		3690
		3691	}
		3692
		3693	sub write_uuid($$) {
		3694	my ($skip, $sync) = @_;
		3695
		3696	$sync ? write_uuid_sync $skip
		3697	: async { write_uuid_sync $skip };
3130	}	3698	}
3131		3699
3132	sub emergency_save() {	3700	sub emergency_save() {
3133	my $freeze_guard = cf::freeze_mainloop;	3701	my $freeze_guard = cf::freeze_mainloop;
3134		3702
3135	warn "enter emergency perl save\n";	3703	warn "emergency_perl_save: enter\n";
3136		3704
3137	cf::sync_job {	3705	cf::sync_job {
		3706	# this is a trade-off: we want to be very quick here, so
		3707	# save all maps without fsync, and later call a global sync
		3708	# (which in turn might be very very slow)
		3709	local $USE_FSYNC = 0;
		3710
3138	# use a peculiar iteration method to avoid tripping on perl	3711	# use a peculiar iteration method to avoid tripping on perl
3139	# refcount bugs in for. also avoids problems with players	3712	# refcount bugs in for. also avoids problems with players
3140	# and maps saved/destroyed asynchronously.	3713	# and maps saved/destroyed asynchronously.
3141	warn "begin emergency player save\n";	3714	warn "emergency_perl_save: begin player save\n";
3142	for my $login (keys %cf::PLAYER) {	3715	for my $login (keys %cf::PLAYER) {
3143	my $pl = $cf::PLAYER{$login} or next;	3716	my $pl = $cf::PLAYER{$login} or next;
3144	$pl->valid or next;	3717	$pl->valid or next;
		3718	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3145	$pl->save;	3719	$pl->save;
3146	}	3720	}
3147	warn "end emergency player save\n";	3721	warn "emergency_perl_save: end player save\n";
3148		3722
3149	warn "begin emergency map save\n";	3723	warn "emergency_perl_save: begin map save\n";
3150	for my $path (keys %cf::MAP) {	3724	for my $path (keys %cf::MAP) {
3151	my $map = $cf::MAP{$path} or next;	3725	my $map = $cf::MAP{$path} or next;
3152	$map->valid or next;	3726	$map->valid or next;
3153	$map->save;	3727	$map->save;
3154	}	3728	}
3155	warn "end emergency map save\n";	3729	warn "emergency_perl_save: end map save\n";
3156		3730
3157	warn "begin emergency database checkpoint\n";	3731	warn "emergency_perl_save: begin database checkpoint\n";
3158	BDB::db_env_txn_checkpoint $DB_ENV;	3732	BDB::db_env_txn_checkpoint $DB_ENV;
3159	warn "end emergency database checkpoint\n";	3733	warn "emergency_perl_save: end database checkpoint\n";
		3734
		3735	warn "emergency_perl_save: begin write uuid\n";
		3736	write_uuid_sync 1;
		3737	warn "emergency_perl_save: end write uuid\n";
3160	};	3738	};
3161		3739
		3740	warn "emergency_perl_save: starting sync()\n";
		3741	IO::AIO::aio_sync sub {
		3742	warn "emergency_perl_save: finished sync()\n";
		3743	};
		3744
3162	warn "leave emergency perl save\n";	3745	warn "emergency_perl_save: leave\n";
3163	}	3746	}
3164		3747
3165	sub post_cleanup {	3748	sub post_cleanup {
3166	my ($make_core) = @_;	3749	my ($make_core) = @_;
3167		3750
3168	warn Carp::longmess "post_cleanup backtrace"	3751	warn Carp::longmess "post_cleanup backtrace"
3169	if $make_core;	3752	if $make_core;
		3753
		3754	my $fh = pidfile;
		3755	unlink $PIDFILE if <$fh> == $$;
		3756	}
		3757
		3758	# a safer delete_package, copied from Symbol
		3759	sub clear_package($) {
		3760	my $pkg = shift;
		3761
		3762	# expand to full symbol table name if needed
		3763	unless ($pkg =~ /^main::.*::$/) {
		3764	$pkg = "main$pkg" if $pkg =~ /^::/;
		3765	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3766	$pkg .= '::' unless $pkg =~ /::$/;
		3767	}
		3768
		3769	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3770	my $stem_symtab = *{$stem}{HASH};
		3771
		3772	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3773	or return;
		3774
		3775	# clear all symbols
		3776	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3777	for my $name (keys %$leaf_symtab) {
		3778	_gv_clear *{"$pkg$name"};
		3779	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3780	}
		3781	warn "cleared package $pkg\n";#d#
3170	}	3782	}
3171		3783
3172	sub do_reload_perl() {	3784	sub do_reload_perl() {
3173	# can/must only be called in main	3785	# can/must only be called in main
3174	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
3175	warn "can only reload from main coroutine";	3787	warn "can only reload from main coroutine";
3176	return;	3788	return;
3177	}	3789	}
3178		3790
		3791	return if $RELOAD++;
		3792
		3793	my $t1 = AE::time;
		3794
		3795	while ($RELOAD) {
3179	warn "reloading...";	3796	warn "reloading...";
3180		3797
3181	warn "entering sync_job";	3798	warn "entering sync_job";
3182		3799
3183	cf::sync_job {	3800	cf::sync_job {
3184	cf::write_runtime; # external watchdog should not bark	3801	cf::write_runtime_sync; # external watchdog should not bark
3185	cf::emergency_save;	3802	cf::emergency_save;
3186	cf::write_runtime; # external watchdog should not bark	3803	cf::write_runtime_sync; # external watchdog should not bark
3187		3804
3188	warn "syncing database to disk";	3805	warn "syncing database to disk";
3189	BDB::db_env_txn_checkpoint $DB_ENV;	3806	BDB::db_env_txn_checkpoint $DB_ENV;
3190		3807
3191	# if anything goes wrong in here, we should simply crash as we already saved	3808	# if anything goes wrong in here, we should simply crash as we already saved
3192		3809
3193	warn "cancelling all WF_AUTOCANCEL watchers";
3194	for (Event::all_watchers) {
3195	$_->cancel if $_->data & WF_AUTOCANCEL;
3196	}
3197
3198	warn "flushing outstanding aio requests";	3810	warn "flushing outstanding aio requests";
3199	for (;;) {
3200	BDB::flush;
3201	IO::AIO::flush;
3202	Coro::cede;
3203	last unless IO::AIO::nreqs || BDB::nreqs;	3811	while (IO::AIO::nreqs || BDB::nreqs) {
3204	warn "iterate...";	3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3205	}
3206
3207	++$RELOAD;
3208
3209	warn "cancelling all extension coros";
3210	$_->cancel for values %EXT_CORO;
3211	%EXT_CORO = ();
3212
3213	warn "removing commands";
3214	%COMMAND = ();
3215
3216	warn "removing ext/exti commands";
3217	%EXTCMD = ();
3218	%EXTICMD = ();
3219
3220	warn "unloading/nuking all extensions";
3221	for my $pkg (@EXTS) {
3222	warn "... unloading $pkg";
3223
3224	if (my $cb = $pkg->can ("unload")) {
3225	eval {
3226	$cb->($pkg);
3227	1
3228	} or warn "$pkg unloaded, but with errors: $@";
3229	}	3813	}
3230		3814
3231	warn "... nuking $pkg";	3815	warn "cancelling all extension coros";
3232	Symbol::delete_package $pkg;	3816	$_->cancel for values %EXT_CORO;
3233	}	3817	%EXT_CORO = ();
3234		3818
3235	warn "unloading all perl modules loaded from $LIBDIR";	3819	warn "removing commands";
3236	while (my ($k, $v) = each %INC) {	3820	%COMMAND = ();
3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3238		3821
		3822	warn "removing ext/exti commands";
		3823	%EXTCMD = ();
		3824	%EXTICMD = ();
		3825
		3826	warn "unloading/nuking all extensions";
		3827	for my $pkg (@EXTS) {
3239	warn "... unloading $k";	3828	warn "... unloading $pkg";
3240	delete $INC{$k};
3241		3829
3242	$k =~ s/\.pm$//;
3243	$k =~ s/\//::/g;
3244
3245	if (my $cb = $k->can ("unload_module")) {	3830	if (my $cb = $pkg->can ("unload")) {
		3831	eval {
3246	$cb->();	3832	$cb->($pkg);
		3833	1
		3834	} or warn "$pkg unloaded, but with errors: $@";
		3835	}
		3836
		3837	warn "... clearing $pkg";
		3838	clear_package $pkg;
3247	}	3839	}
3248		3840
3249	Symbol::delete_package $k;	3841	warn "unloading all perl modules loaded from $LIBDIR";
		3842	while (my ($k, $v) = each %INC) {
		3843	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3844
		3845	warn "... unloading $k";
		3846	delete $INC{$k};
		3847
		3848	$k =~ s/\.pm$//;
		3849	$k =~ s/\//::/g;
		3850
		3851	if (my $cb = $k->can ("unload_module")) {
		3852	$cb->();
		3853	}
		3854
		3855	clear_package $k;
3250	}	3856	}
3251		3857
3252	warn "getting rid of safe::, as good as possible";	3858	warn "getting rid of safe::, as good as possible";
3253	Symbol::delete_package "safe::$_"	3859	clear_package "safe::$_"
3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3860	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3255		3861
3256	warn "unloading cf.pm \"a bit\"";	3862	warn "unloading cf.pm \"a bit\"";
3257	delete $INC{"cf.pm"};	3863	delete $INC{"cf.pm"};
3258	delete $INC{"cf/pod.pm"};	3864	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3259		3865
3260	# don't, removes xs symbols, too,	3866	# don't, removes xs symbols, too,
3261	# and global variables created in xs	3867	# and global variables created in xs
3262	#Symbol::delete_package __PACKAGE__;	3868	#clear_package __PACKAGE__;
3263		3869
3264	warn "unload completed, starting to reload now";	3870	warn "unload completed, starting to reload now";
3265		3871
3266	warn "reloading cf.pm";	3872	warn "reloading cf.pm";
3267	require cf;	3873	require cf;
3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3874	cf::_connect_to_perl_1;
3269		3875
3270	warn "loading config and database again";	3876	warn "loading config and database again";
3271	cf::reload_config;	3877	cf::reload_config;
3272		3878
3273	warn "loading extensions";	3879	warn "loading extensions";
3274	cf::load_extensions;	3880	cf::load_extensions;
3275		3881
		3882	if ($REATTACH_ON_RELOAD) {
3276	warn "reattaching attachments to objects/players";	3883	warn "reattaching attachments to objects/players";
3277	_global_reattach; # objects, sockets	3884	_global_reattach; # objects, sockets
3278	warn "reattaching attachments to maps";	3885	warn "reattaching attachments to maps";
3279	reattach $_ for values %MAP;	3886	reattach $_ for values %MAP;
3280	warn "reattaching attachments to players";	3887	warn "reattaching attachments to players";
3281	reattach $_ for values %PLAYER;	3888	reattach $_ for values %PLAYER;
		3889	}
3282		3890
		3891	warn "running post_init jobs";
		3892	(pop @POST_INIT)->(1) while @POST_INIT;
		3893
3283	warn "leaving sync_job";	3894	warn "leaving sync_job";
3284		3895
3285	1	3896	1
3286	} or do {	3897	} or do {
3287	warn $@;	3898	warn $@;
3288	warn "error while reloading, exiting.";	3899	cf::cleanup "error while reloading, exiting.";
3289	exit 1;
3290	};	3900	};
3291		3901
3292	warn "reloaded";	3902	warn "reloaded";
		3903	--$RELOAD;
		3904	}
		3905
		3906	$t1 = AE::time - $t1;
		3907	warn "reload completed in ${t1}s\n";
3293	};	3908	};
3294		3909
3295	our $RELOAD_WATCHER; # used only during reload	3910	our $RELOAD_WATCHER; # used only during reload
3296		3911
3297	sub reload_perl() {	3912	sub reload_perl() {
3298	# doing reload synchronously and two reloads happen back-to-back,	3913	# doing reload synchronously and two reloads happen back-to-back,
3299	# coro crashes during coro_state_free->destroy here.	3914	# coro crashes during coro_state_free->destroy here.
3300		3915
3301	$RELOAD_WATCHER ||= Event->timer (	3916	$RELOAD_WATCHER ||= cf::async {
3302	reentrant => 0,	3917	Coro::AIO::aio_wait cache_extensions;
3303	after => 0,	3918
3304	data => WF_AUTOCANCEL,	3919	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3305	cb => sub {
3306	do_reload_perl;	3920	do_reload_perl;
3307	undef $RELOAD_WATCHER;	3921	undef $RELOAD_WATCHER;
3308	},	3922	};
3309	);	3923	};
3310	}	3924	}
3311		3925
3312	register_command "reload" => sub {	3926	register_command "reload" => sub {
3313	my ($who, $arg) = @_;	3927	my ($who, $arg) = @_;
3314		3928
3315	if ($who->flag (FLAG_WIZ)) {	3929	if ($who->flag (FLAG_WIZ)) {
3316	$who->message ("reloading server.");	3930	$who->message ("reloading server.");
		3931	async {
		3932	$Coro::current->{desc} = "perl_reload";
3317	async { reload_perl };	3933	reload_perl;
		3934	};
3318	}	3935	}
3319	};	3936	};
3320		3937
3321	unshift @INC, $LIBDIR;	3938	unshift @INC, $LIBDIR;
3322		3939
…		…
3324		3941
3325	our @WAIT_FOR_TICK;	3942	our @WAIT_FOR_TICK;
3326	our @WAIT_FOR_TICK_BEGIN;	3943	our @WAIT_FOR_TICK_BEGIN;
3327		3944
3328	sub wait_for_tick {	3945	sub wait_for_tick {
3329	return unless $TICK_WATCHER->is_active;
3330	return if $Coro::current == $Coro::main;	3946	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3331		3947
3332	my $signal = new Coro::Signal;	3948	my $signal = new Coro::Signal;
3333	push @WAIT_FOR_TICK, $signal;	3949	push @WAIT_FOR_TICK, $signal;
3334	$signal->wait;	3950	$signal->wait;
3335	}	3951	}
3336		3952
3337	sub wait_for_tick_begin {	3953	sub wait_for_tick_begin {
3338	return unless $TICK_WATCHER->is_active;
3339	return if $Coro::current == $Coro::main;	3954	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3340		3955
3341	my $signal = new Coro::Signal;	3956	my $signal = new Coro::Signal;
3342	push @WAIT_FOR_TICK_BEGIN, $signal;	3957	push @WAIT_FOR_TICK_BEGIN, $signal;
3343	$signal->wait;	3958	$signal->wait;
3344	}	3959	}
3345		3960
3346	my $min = 1e6;#d#	3961	sub tick {
3347	my $avg = 10;
3348	$TICK_WATCHER = Event->timer (
3349	reentrant => 0,
3350	parked => 1,
3351	prio => 0,
3352	at => $NEXT_TICK || $TICK,
3353	data => WF_AUTOCANCEL,
3354	cb => sub {
3355	if ($Coro::current != $Coro::main) {	3962	if ($Coro::current != $Coro::main) {
3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3963	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357	unless ++$bug_warning > 10;	3964	unless ++$bug_warning > 10;
3358	return;	3965	return;
3359	}	3966	}
3360		3967
3361	$NOW = $tick_start = Event::time;
3362
3363	cf::server_tick; # one server iteration	3968	cf::server_tick; # one server iteration
3364		3969
3365	0 && sync_job {#d#	3970	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3366	for(1..10) {
3367	my $t = Event::time;
3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3369	or die;
3370		3971
3371	$map->width (50);	3972	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3372	$map->height (50);	3973	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3373	$map->alloc;	3974	Coro::async_pool {
3374	$map->_load_objects ("/tmp/x.map", 1);	3975	$Coro::current->{desc} = "runtime saver";
3375	my $t = Event::time - $t;	3976	write_runtime_sync
3376		3977	or warn "ERROR: unable to write runtime file: $!";
3377	#next unless $t < 0.0013;#d#
3378	if ($t < $min) {
3379	$min = $t;
3380	}
3381	$avg = $avg * 0.99 + $t * 0.01;
3382	}
3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384	exit 0;
3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386	};	3978	};
		3979	}
3387		3980
3388	$RUNTIME += $TICK;
3389	$NEXT_TICK += $TICK;
3390
3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
3393	Coro::async_pool {
3394	write_runtime
3395	or warn "ERROR: unable to write runtime file: $!";
3396	};
3397	}
3398
3399	# my $AFTER = Event::time;
3400	# warn $AFTER - $NOW;#d#
3401
3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3981	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403	$sig->send;	3982	$sig->send;
3404	}	3983	}
3405	while (my $sig = shift @WAIT_FOR_TICK) {	3984	while (my $sig = shift @WAIT_FOR_TICK) {
3406	$sig->send;	3985	$sig->send;
3407	}	3986	}
3408		3987
3409	$NOW = Event::time;	3988	$LOAD = ($NOW - $TICK_START) / $TICK;
3410
3411	# if we are delayed by four ticks or more, skip them all
3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3413
3414	$TICK_WATCHER->at ($NEXT_TICK);
3415	$TICK_WATCHER->start;
3416
3417	$LOAD = ($NOW - $tick_start) / $TICK;
3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3989	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419		3990
3420	_post_tick;	3991	if (0) {
3421		3992	if ($NEXT_TICK) {
3422		3993	my $jitter = $TICK_START - $NEXT_TICK;
		3994	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3995	warn "jitter $JITTER\n";#d#
		3996	}
3423	},	3997	}
3424	);	3998	}
3425		3999
3426	{	4000	{
3427	BDB::max_poll_time $TICK * 0.1;	4001	# configure BDB
3428	$BDB_POLL_WATCHER = Event->io (	4002
3429	reentrant => 0,
3430	fd => BDB::poll_fileno,
3431	poll => 'r',
3432	prio => 0,
3433	data => WF_AUTOCANCEL,
3434	cb => \&BDB::poll_cb,
3435	);
3436	BDB::min_parallel 8;	4003	BDB::min_parallel 16;
3437		4004	BDB::max_poll_reqs $TICK * 0.1;
3438	BDB::set_sync_prepare {	4005	$AnyEvent::BDB::WATCHER->priority (1);
3439	my $status;
3440	my $current = $Coro::current;
3441	(
3442	sub {
3443	$status = $!;
3444	$current->ready; undef $current;
3445	},
3446	sub {
3447	Coro::schedule while defined $current;
3448	$! = $status;
3449	},
3450	)
3451	};
3452		4006
3453	unless ($DB_ENV) {	4007	unless ($DB_ENV) {
3454	$DB_ENV = BDB::db_env_create;	4008	$DB_ENV = BDB::db_env_create;
		4009	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4010	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4011	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4012	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4013	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3455		4014
3456	cf::sync_job {	4015	cf::sync_job {
3457	eval {	4016	eval {
3458	BDB::db_env_open	4017	BDB::db_env_open
3459	$DB_ENV,	4018	$DB_ENV,
…		…
3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4020	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4021	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463	0666;	4022	0666;
3464		4023
3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4024	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468	$DB_ENV->set_lk_detect;
3469	};	4025	};
3470		4026
3471	cf::cleanup "db_env_open(db): $@" if $@;	4027	cf::cleanup "db_env_open(db): $@" if $@;
3472	};	4028	};
3473	}	4029	}
		4030
		4031	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4032	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4033	};
		4034	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4035	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4036	};
		4037	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4038	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4039	};
3474	}	4040	}
3475		4041
3476	{	4042	{
		4043	# configure IO::AIO
		4044
3477	IO::AIO::min_parallel 8;	4045	IO::AIO::min_parallel 8;
3478
3479	undef $Coro::AIO::WATCHER;
3480	IO::AIO::max_poll_time $TICK * 0.1;	4046	IO::AIO::max_poll_time $TICK * 0.1;
3481	$AIO_POLL_WATCHER = Event->io (	4047	undef $AnyEvent::AIO::WATCHER;
3482	reentrant => 0,
3483	data => WF_AUTOCANCEL,
3484	fd => IO::AIO::poll_fileno,
3485	poll => 'r',
3486	prio => 6,
3487	cb => \&IO::AIO::poll_cb,
3488	);
3489	}	4048	}
3490		4049
3491	my $_log_backtrace;	4050	my $_log_backtrace;
3492		4051
3493	sub _log_backtrace {	4052	sub _log_backtrace {
…		…
3496	$msg =~ s/\n//;	4055	$msg =~ s/\n//;
3497		4056
3498	# limit the # of concurrent backtraces	4057	# limit the # of concurrent backtraces
3499	if ($_log_backtrace < 2) {	4058	if ($_log_backtrace < 2) {
3500	++$_log_backtrace;	4059	++$_log_backtrace;
		4060	my $perl_bt = Carp::longmess $msg;
3501	async {	4061	async {
		4062	$Coro::current->{desc} = "abt $msg";
		4063
3502	my @bt = fork_call {	4064	my @bt = fork_call {
3503	@addr = map { sprintf "%x", $_ } @addr;	4065	@addr = map { sprintf "%x", $_ } @addr;
3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4066	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4067	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3506	or die "addr2line: $!";	4068	or die "addr2line: $!";
…		…
3514	}	4076	}
3515		4077
3516	@funcs	4078	@funcs
3517	};	4079	};
3518		4080
3519	LOG llevInfo, "[ABT] $msg\n";	4081	LOG llevInfo, "[ABT] $perl_bt\n";
		4082	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3520	LOG llevInfo, "[ABT] $_\n" for @bt;	4083	LOG llevInfo, "[ABT] $_\n" for @bt;
3521	--$_log_backtrace;	4084	--$_log_backtrace;
3522	};	4085	};
3523	} else {	4086	} else {
3524	LOG llevInfo, "[ABT] $msg\n";	4087	LOG llevInfo, "[ABT] $msg\n";
3525	LOG llevInfo, "[ABT] [suppressed]\n";	4088	LOG llevInfo, "[ABT] [suppressed]\n";
3526	}	4089	}
3527	}	4090	}
3528		4091
3529	# load additional modules	4092	# load additional modules
3530	use cf::pod;	4093	require "cf/$_.pm" for @EXTRA_MODULES;
		4094	cf::_connect_to_perl_2;
3531		4095
3532	END { cf::emergency_save }	4096	END { cf::emergency_save }
3533		4097
3534	1	4098	1
3535		4099

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