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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.305 by root, Thu Jul 12 08:40:14 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
172	=back	258	=back
173		259
174	=cut	260	=cut
175		261
176	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
177	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
178	my $msg = join "", @_;	269	my $msg = join "", @_;
179		270
180	$msg .= "\n"	271	$msg .= "\n"
181	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
182		273
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		275
185	utf8::encode $msg;
186	LOG llevError, $msg;	276	LOG llevWarn, $msg;
187	};	277	};
188	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
189		292
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	303	for my $pkg (qw(
201	cf::global cf::attachable	304	cf::global cf::attachable
202	cf::object cf::object::player	305	cf::object cf::object::player
203	cf::client cf::player	306	cf::client cf::player
204	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
205	cf::map cf::party cf::region	309	cf::party cf::region
206	)) {	310	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	312	}
210		313
211	$Event::DIED = sub {	314	$EV::DIED = sub {
212	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
213	};	316	};
214		317
215	#############################################################################	318	#############################################################################
216		319
217	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	343	$d
241	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
242	}	345	}
243		346
244	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
245		348
246	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
247		350
248	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
249		352
250	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
251		354
252	=cut	355	=cut
253		356
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		358
256	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
258		404
259	=item cf::lock_wait $string	405	=item cf::lock_wait $string
260		406
261	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
262		408
263	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
264		410
265	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
268	returned.	414	returned.
269		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
270	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
272		421
273	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
274		423
275	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
276		425
277	=cut	426	=cut
278		427
279	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
280		429
281	sub lock_wait($) {	430	sub lock_wait($) {
282	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	432	}
290		433
291	sub lock_acquire($) {	434	sub lock_acquire($) {
292	my ($key) = @_;	435	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	436	}
304		437
305	sub lock_active($) {	438	sub lock_active($) {
306	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	440	}
310		441
311	sub freeze_mainloop {	442	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
313		444
314	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
316	};	512	}
317	$TICK_WATCHER->stop;	513	};
318	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
319	}	528	}
320		529
321	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
322		531
323	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		537
329	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
330		539
331	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
332		541
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	545	acceptable.
337		546
338	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	552	=cut
344		553
345	sub sync_job(&) {	554	sub sync_job(&) {
346	my ($job) = @_;	555	my ($job) = @_;
347		556
348	if ($Coro::current == $Coro::main) {	557	if (in_main) {
349	my $time = Event::time;	558	my $time = AE::time;
350		559
351	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
353		562
354	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	564
356	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
357		566
358	my $busy = 1;	567	my $busy = 1;
359	my @res;	568	my @res;
360		569
361	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	572	@res = eval { $job->() };
363	warn $@ if $@;	573	error $@ if $@;
364	undef $busy;	574	undef $busy;
365	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
366		576
367	while ($busy) {	577	while ($busy) {
368	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
369	}	582	}
		583	}
370		584
371	$time = Event::time - $time;	585	my $time = AE::time - $time;
372		586
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
377		588
378	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
379	} else {	590	} else {
380	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
381		592
…		…
401	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
402		613
403	$coro	614	$coro
404	}	615	}
405		616
406	=item fork_call { }, $args	617	=item fork_call { }, @args
407		618
408	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
412		623
413	=cut	624	=cut
414		625
415	sub _store_scalar {	626	sub post_fork {
416	open my $fh, ">", \my $buf	627	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	628	}
423		629
424	sub fork_call(&@) {	630	sub fork_call(&@) {
425	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
426		632
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		636
432	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
433	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
434		641
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	643	}
437	$res = Coro::Storable::thaw $res;
438		644
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
466	}	681	}
467		682
468	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
469		684
470	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
473		688
474	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
477	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
478		718
479	our $DB;	719	our $DB;
480		720
481	sub db_init {	721	sub db_init {
482	unless ($DB) {	722	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	723	}
497		724
498	sub db_get($$) {	725	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
500		727
501	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
502	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
503		732
504	$! ? ()	733	$! ? ()
505	: $data	734	: $data
506	}
507	}	735	}
508		736
509	sub db_put($$$) {	737	sub db_put($$$) {
510	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
550	if (1) {	778	if (1) {
551	$md5 =	779	$md5 =
552	join "\x00",	780	join "\x00",
553	$processversion,	781	$processversion,
554	map {	782	map {
555	Coro::cede;	783	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	785	} 0.. $#$src;
558		786
559		787
560	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		795
568	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	797	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
571		799
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		801
574	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
577		805
…		…
587		815
588	=cut	816	=cut
589		817
590	sub datalog($@) {	818	sub datalog($@) {
591	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	821	}
594		822
595	=back	823	=back
596		824
597	=cut	825	=cut
598		826
599	#############################################################################	827	#############################################################################
600		828
601	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
602		830
603	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
606		834
607	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	837	Deliantra).
610		838
611	=over 4	839	=over 4
612		840
613	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
614		842
…		…
658	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
659		887
660	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
662		890
663	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
665		893
666	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
667		895
668	=over 4	896	=over 4
…		…
792		1020
793	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1023
796	} elsif (ref $type) {	1024	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
798		1026
799	} else {	1027	} else {
800	shift @arg;	1028	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
802	}	1030	}
803	}	1031	}
804	}	1032	}
805		1033
806	sub _object_attach {	1034	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
817	}	1045	}
818		1046
819	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
820	} else {	1048	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1050	}
823		1051
824	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
825	}	1053	}
826		1054
…		…
866	";	1094	";
867	die if $@;	1095	die if $@;
868	}	1096	}
869		1097
870	our $override;	1098	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1100
873	sub override {	1101	sub override {
874	$override = 1;	1102	$override = 1;
875	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
876	}	1104	}
877		1105
878	sub do_invoke {	1106	sub do_invoke {
879	my $event = shift;	1107	my $event = shift;
880	my $callbacks = shift;	1108	my $callbacks = shift;
881		1109
882	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
883		1111
884	local $override;	1112	local $override;
885		1113
886	for (@$callbacks) {	1114	for (@$callbacks) {
887	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
888		1116
889	if ($@) {	1117	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1119	override;
893	}	1120	}
894		1121
895	return 1 if $override;	1122	return 1 if $override;
896	}	1123	}
897		1124
898	0	1125	0
899	}	1126	}
900		1127
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1129
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1131
905	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
906		1133
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1137
911	=back	1138	=back
912		1139
913	=cut	1140	=cut
914		1141
915	#############################################################################	1142	#############################################################################
916	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
917		1186
918	sub reattach {	1187	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1189	my ($obj) = @_;
921		1190
		1191	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1193
924	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
925		1195
926	@$registry = ();	1196	@$registry = ();
927		1197
…		…
932	for (@$attach) {	1202	for (@$attach) {
933	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
935	}	1205	}
936	} else {	1206	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1208	}
939	}	1209	}
940	}	1210	}
941		1211
942	cf::attachable->attach (	1212	cf::attachable->attach (
943	prio => -1000000,	1213	prio => -1000000,
944	on_instantiate => sub {	1214	on_instantiate => sub {
945	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
946		1216
947	$data = from_json $data;	1217	$data = decode_json $data;
948		1218
949	for (@$data) {	1219	for (@$data) {
950	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
951		1221
952	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1238	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
970		1240
971	sync_job {	1241	sync_job {
972	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
975		1247
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
980	close $fh;	1255	aio_close $fh;
981		1256
982	if (@$objs) {	1257	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
988	close $fh;	1266	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
990	}	1268	}
991	} else {	1269	} else {
992	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
993	}	1271	}
994		1272
995	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1277	} else {
997	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
998	}	1279	}
999	} else {	1280	} else {
1000	aio_unlink $filename;	1281	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1002	}	1283	}
1003	}	1284	};
1004	}	1285	}
1005		1286
1006	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1008		1289
…		…
1020	or return;	1301	or return;
1021		1302
1022	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1305	or return;
		1306
1025	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1026	}	1309	}
1027		1310
		1311	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1030	return ($data, $av);	1316	($data, $av)
1031	}	1317	}
1032		1318
1033	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1034		1320
1035	=over 4	1321	=over 4
…		…
1089	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1090		1376
1091	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1092	}	1378	}
1093		1379
		1380	use File::Glob ();
		1381
1094	cf::player->attach (	1382	cf::player->attach (
1095	on_command => sub {	1383	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1097		1385
1098	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1099	or return;	1387	or return;
1100		1388
…		…
1108	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1109		1397
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1399
1112	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1118	} else {	1415	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1417	}
1121		1418
1122	cf::override;	1419	cf::override;
1123	},	1420	},
1124	);	1421	);
1125		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1126	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1127	cf::sync_job {	1439	cf::sync_job {
1128	my %todo;	1440	my %todo;
1129		1441
1130	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1443	next unless -r $path;
…		…
1149		1461
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1464
1153	$ext{source} =	1465	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1156	. $source	1468	. $source
1157	. "\n};\n1";	1469	. "\n};\n1";
1158		1470
1159	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1160	}	1472	}
1161		1473
		1474	my $pass = 0;
1162	my %done;	1475	my %done;
1163	while (%todo) {	1476	while (%todo) {
1164	my $progress;	1477	my $progress;
1165		1478
		1479	++$pass;
		1480
		1481	ext:
1166	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1484	next ext
1169	unless exists $done{$_};	1485	unless exists $done{$_};
1170	}	1486	}
1171		1487
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1489
1174	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1179	warn $msg;	1497
1180	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1499	delete $todo{$k};
1182	}	1500	} else {
1183		1501	$done{$k} = delete $todo{$k};
1184	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1185	}	1507	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1508	}
1191		1509
1192	skip:	1510	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1195	}	1518	}
1196	};	1519	};
1197	}	1520	}
1198		1521
1199	#############################################################################	1522	#############################################################################
1200		1523
1201	=back	1524	=back
1202		1525
1203	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1204		1527
1205	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1206		1529
1207	=cut	1530	=cut
1208		1531
1209	package cf::player;	1532	package cf::player;
1210		1533
1211	use Coro::AIO;	1534	use Coro::AIO;
1212		1535
1213	=head3 cf::player	1536	=head3 cf::player
1214		1537
1215	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1216		1553
1217	=item cf::player::find $login	1554	=item cf::player::find $login
1218		1555
1219	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1220		1557
…		…
1239		1576
1240	sub exists($) {	1577	sub exists($) {
1241	my ($login) = @_;	1578	my ($login) = @_;
1242		1579
1243	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1245	}	1582	}
1246		1583
1247	sub find($) {	1584	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1586	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1597
1261	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1264	}	1607	}
1265	}	1608	}
1266	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1267		1623
1268	sub save($) {	1624	sub save($) {
1269	my ($pl) = @_;	1625	my ($pl) = @_;
1270		1626
1271	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1277		1633
1278	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1280		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1281	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1282	Coro::cede;	1643	cf::cede_to_tick;
1283	}	1644	}
1284		1645
1285	sub new($) {	1646	sub new($) {
1286	my ($login) = @_;	1647	my ($login) = @_;
1287		1648
…		…
1293	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1294		1655
1295	$self	1656	$self
1296	}	1657	}
1297		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1298	=item $pl->quit_character	1669	=item $pl->quit_character
1299		1670
1300	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1302		1673
…		…
1306	my ($pl) = @_;	1677	my ($pl) = @_;
1307		1678
1308	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1309		1680
1310	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1683
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1316	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1317		1692
1318	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1355	or return [];	1730	or return [];
1356		1731
1357	my @logins;	1732	my @logins;
1358		1733
1359	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1363		1744
1364	utf8::decode $login;	1745	utf8::decode $login;
1365	push @logins, $login;	1746	push @logins, $login;
1366	}	1747	}
1367		1748
1368	\@logins	1749	\@logins
1369	}	1750	}
1370		1751
1371	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1372		1755
1373	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1374	player. May block.	1757	player. May block.
1375		1758
1376	=cut	1759	=cut
…		…
1394	}	1777	}
1395		1778
1396	\@paths	1779	\@paths
1397	}	1780	}
1398		1781
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1783
1401	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1402		1785
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1450		1787
1451	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1452		1789
1453	=cut	1790	=cut
1454		1791
1455	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1457		1794
1458	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1796	}
1461		1797
1462	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1463		1799
1464	Sends an ext event to the client.	1800	Sends an ext event to the client.
1465		1801
1466	=cut	1802	=cut
1467		1803
1468	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1470		1806
1471	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1472	}	1808	}
1473		1809
1474	=head3 cf::region	1810	=head3 cf::region
1475		1811
1476	=over 4	1812	=over 4
…		…
1485		1821
1486	=cut	1822	=cut
1487		1823
1488	sub find_by_path($) {	1824	sub find_by_path($) {
1489	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1490		1828
1491	my ($match, $specificity);	1829	my ($match, $specificity);
1492		1830
1493	for my $region (list) {	1831	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1522		1860
1523	sub generate_random_map {	1861	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1525	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1867	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1548		1889
1549	sub register {	1890	sub register {
1550	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1892	my $pkg = caller;
1552		1893
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1895
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1897	}
1558		1898
1559	# also paths starting with '/'	1899	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1901
1562	sub thawer_merge {	1902	sub thawer_merge {
1563	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1564		1904
1565	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1570	}	1910	}
1571		1911
1572	sub normalise {	1912	sub normalise {
1573	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1574		1914
1575	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1576		1916
1577	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1578		1918
1579	# map plan:	1919	# map plan:
1580	#	1920	#
…		…
1595	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1936	$path = "$base/$path";
1597	}	1937	}
1598		1938
1599	for ($path) {	1939	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1603	}	1942	}
1604		1943
1605	$path	1944	$path
…		…
1619	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1620	return $self;	1959	return $self;
1621	}	1960	}
1622	}	1961	}
1623		1962
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1964	()
1626	}	1965	}
1627		1966
1628	sub init {	1967	sub init {
1629	my ($self) = @_;	1968	my ($self) = @_;
…		…
1651		1990
1652	# the temporary/swap location	1991	# the temporary/swap location
1653	sub save_path {	1992	sub save_path {
1654	my ($self) = @_;	1993	my ($self) = @_;
1655		1994
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1658	}	1997	}
1659		1998
1660	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1661	sub uniq_path {	2000	sub uniq_path {
1662	my ($self) = @_;	2001	my ($self) = @_;
1663		2002
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2005	}
1676		2006
1677	sub decay_objects {	2007	sub decay_objects {
1678	my ($self) = @_;	2008	my ($self) = @_;
1679		2009
…		…
1692		2022
1693	sub load_header_from($) {	2023	sub load_header_from($) {
1694	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1695		2025
1696	utf8::encode $path;	2026	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1702		2035
1703	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1704		2037
1705	1	2038	1
1706	}	2039	}
…		…
1758		2091
1759	sub find;	2092	sub find;
1760	sub find {	2093	sub find {
1761	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1762		2095
		2096	cf::cede_to_tick;
		2097
1763	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1764		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2102
1767	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1770	or return;	2105	or return;
1771		2106
1772	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1773		2108
…		…
1775	or return;	2110	or return;
1776		2111
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1780	$map->reset;	2117	$map->reset;
1781	undef $guard;
1782	return find $path;	2118	return find $path;
1783	}	2119	}
1784		2120
1785	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1786	}	2122	}
1787	}	2123	}
1788		2124
1789	sub pre_load { }	2125	sub pre_load { }
1790	sub post_load { }	2126	#sub post_load { } # XS
1791		2127
1792	sub load {	2128	sub load {
1793	my ($self) = @_;	2129	my ($self) = @_;
1794		2130
1795	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1796		2132
1797	my $path = $self->{path};	2133	my $path = $self->{path};
1798		2134
1799	{	2135	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1801		2137
		2138	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2140
1804	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1805		2142
1806	$self->alloc;	2143	$self->alloc;
1807		2144
1808	$self->pre_load;	2145	$self->pre_load;
1809	Coro::cede;	2146	cf::cede_to_tick;
1810		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1812	or return;	2151	or return;
1813		2152
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1815	if delete $self->{load_original};	2154	if delete $self->{load_original};
1816		2155
1817	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2157	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2160	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1822	}	2164	}
1823	}	2165	}
1824		2166
1825	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1826	# now do the right thing for maps	2170	# now do the right thing for maps
1827	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2173	unless $self->difficulty;
1830	Coro::cede;	2174	cf::cede_to_tick;
1831		2175
1832	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2177	$self->decay_objects;
1834	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1835	$self->update_buttons;	2179	$self->update_buttons;
1836	Coro::cede;	2180	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2181	$self->activate;
1840	}	2182	}
1841		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2188	}
1844		2189
1845	$self->post_load;	2190	$self->post_load;
1846	}
1847		2191
		2192	1
		2193	}
		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2198	sub customise_for {
1849	my ($self, $ob) = @_;	2199	my ($self, $ob) = @_;
1850		2200
1851	return find "~" . $ob->name . "/" . $self->{path}	2201	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2202	if $self->per_player;
…		…
1856		2206
1857	$self	2207	$self
1858	}	2208	}
1859		2209
1860	# find and load all maps in the 3x3 area around a map	2210	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2211	sub load_neighbours {
1862	my ($map) = @_;	2212	my ($map) = @_;
1863		2213
1864	my @diag; # diagonal neighbours	2214	my @neigh; # diagonal neighbours
1865		2215
1866	for (0 .. 3) {	2216	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2217	my $neigh = $map->tile_path ($_)
1868	or next;	2218	or next;
1869	$neigh = find $neigh, $map	2219	$neigh = find $neigh, $map
1870	or next;	2220	or next;
1871	$neigh->load;	2221	$neigh->load;
1872		2222
		2223	# now find the diagonal neighbours
		2224	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2227	}
1876		2228
1877	for (@diag) {	2229	for (grep defined $_->[0], @neigh) {
		2230	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2231	my $neigh = find $path, $origin
1879	or next;	2232	or next;
1880	$neigh->load;	2233	$neigh->load;
1881	}	2234	}
1882	}	2235	}
1883		2236
1884	sub find_sync {	2237	sub find_sync {
1885	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1886		2239
1887	cf::sync_job { find $path, $origin }	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	find $path, $origin
1888	}	2244	}
1889		2245
1890	sub do_load_sync {	2246	sub do_load_sync {
1891	my ($map) = @_;	2247	my ($map) = @_;
1892		2248
1893	cf::sync_job { $map->load };	2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2250	if $Coro::current == $Coro::main;
		2251
		2252	$map->load;
1894	}	2253	}
1895		2254
1896	our %MAP_PREFETCH;	2255	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2256	our $MAP_PREFETCHER = undef;
1898		2257
1899	sub find_async {	2258	sub find_async {
1900	my ($path, $origin) = @_;	2259	my ($path, $origin, $load) = @_;
1901		2260
1902	$path = normalise $path, $origin && $origin->{path};	2261	$path = normalise $path, $origin && $origin->{path};
1903		2262
1904	if (my $map = $cf::MAP{$path}) {	2263	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2265	}
1907		2266
1908	undef $MAP_PREFETCH{$path};	2267	$MAP_PREFETCH{$path} |= $load;
		2268
1909	$MAP_PREFETCHER ||= cf::async {	2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
1910	while (%MAP_PREFETCH) {	2272	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2273	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2274	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2275	$map->load if $v;
		2276	}
1915		2277
1916	delete $MAP_PREFETCH{$path};	2278	delete $MAP_PREFETCH{$k};
1917	}	2279	}
1918	}	2280	}
1919	undef $MAP_PREFETCHER;	2281	undef $MAP_PREFETCHER;
1920	};	2282	};
1921	$MAP_PREFETCHER->prio (6);	2283	$MAP_PREFETCHER->prio (6);
1922		2284
1923	()	2285	()
1924	}	2286	}
1925		2287
		2288	# common code, used by both ->save and ->swapout
1926	sub save {	2289	sub _save {
1927	my ($self) = @_;	2290	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2291
1931	$self->{last_save} = $cf::RUNTIME;	2292	$self->{last_save} = $cf::RUNTIME;
1932		2293
1933	return unless $self->dirty;	2294	return unless $self->dirty;
1934		2295
…		…
1940	return if $self->{deny_save};	2301	return if $self->{deny_save};
1941		2302
1942	local $self->{last_access} = $self->last_access;#d#	2303	local $self->{last_access} = $self->last_access;#d#
1943		2304
1944	cf::async {	2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2307	$_->contr->save for $self->players;
1946	};	2308	};
		2309
		2310	cf::get_slot 0.02;
1947		2311
1948	if ($uniq) {	2312	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2315	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2317	}
1954	}	2318	}
1955		2319
		2320	sub save {
		2321	my ($self) = @_;
		2322
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	$self->_save;
		2326	}
		2327
1956	sub swap_out {	2328	sub swap_out {
1957	my ($self) = @_;	2329	my ($self) = @_;
1958		2330
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
1964	return if $self->players;	2335	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
		2343	$self->_save;
		2344
		2345	# then free the map
1968	$self->clear;	2346	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2347	}
1971		2348
1972	sub reset_at {	2349	sub reset_at {
1973	my ($self) = @_;	2350	my ($self) = @_;
1974		2351
…		…
1992		2369
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2371
1995	return if $self->players;	2372	return if $self->players;
1996		2373
1997	warn "resetting map ", $self->path;	2374	cf::trace "resetting map ", $self->path, "\n";
1998		2375
1999	$self->in_memory (cf::MAP_SWAPPED);	2376	$self->in_memory (cf::MAP_SWAPPED);
2000		2377
2001	# need to save uniques path	2378	# need to save uniques path
2002	unless ($self->{deny_save}) {	2379	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2383	if $uniq;
2007	}	2384	}
2008		2385
2009	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
2010		2387
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2390	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2391
2015	$self->unlink_save;	2392	$self->unlink_save;
2016	$self->destroy;	2393	$self->destroy;
2017	}	2394	}
2018		2395
2019	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
2020		2397
2021	sub nuke {	2398	sub nuke {
2022	my ($self) = @_;	2399	my ($self) = @_;
2023		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
2024	delete $cf::MAP{$self->path};	2404	delete $cf::MAP{$self->path};
2025		2405
2026	$self->unlink_save;	2406	$self->unlink_save;
2027		2407
2028	bless $self, "cf::map";	2408	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2409	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2413
2034	$cf::MAP{$self->path} = $self;	2414	$cf::MAP{$self->path} = $self;
		2415	}
2035		2416
2036	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
2037	}	2418	}
2038		2419
2039	=item $maps = cf::map::tmp_maps	2420	=item $maps = cf::map::tmp_maps
…		…
2081		2462
2082	sub unique_maps() {	2463	sub unique_maps() {
2083	[	2464	[
2084	map {	2465	map {
2085	utf8::decode $_;	2466	utf8::decode $_;
2086	/\.map$/	2467	s/\.map$//; # TODO future compatibility hack
		2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2469	? ()
2087	? normalise $_	2470	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2471	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2472	]
2091	}	2473	}
2092		2474
2093	package cf;	2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
		2496	s/\.map$// or next;
		2497	utf8::decode $_;
		2498	push @maps, "$dir/$_";
		2499	}
		2500
		2501	push @dirs, map "$dir/$_", @$dirs;
		2502	}
		2503
		2504	\@maps
		2505	}
2094		2506
2095	=back	2507	=back
2096		2508
2097	=head3 cf::object	2509	=head3 cf::object
2098		2510
…		…
2102		2514
2103	=over 4	2515	=over 4
2104		2516
2105	=item $ob->inv_recursive	2517	=item $ob->inv_recursive
2106		2518
2107	Returns the inventory of the object _and_ their inventories, recursively.	2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
2108		2521
2109	=cut	2522	=cut
2110		2523
2111	sub inv_recursive_;	2524	sub inv_recursive_;
2112	sub inv_recursive_ {	2525	sub inv_recursive_ {
…		…
2115		2528
2116	sub inv_recursive {	2529	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2530	inv_recursive_ inv $_[0]
2118	}	2531	}
2119		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
		2559	}
		2560
2120	package cf;	2561	package cf;
2121		2562
2122	=back	2563	=back
2123		2564
2124	=head3 cf::object::player	2565	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2572	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
2133		2574
2134	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
2135		2590
2136	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2592	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
2146		2601
2147	} else {	2602	} else {
2148	my $pl = $self->contr;	2603	my $pl = $self->contr;
2149		2604
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2605	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2606	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2608
2159	} else {	2609	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2612	}
2163	}	2613	}
		2614	}
		2615
		2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2617
		2618	=cut
		2619
		2620	sub cf::object::send_msg {
		2621	my $pl = shift->contr
		2622	or return;
		2623	$pl->send_msg (@_);
2164	}	2624	}
2165		2625
2166	=item $player_object->may ("access")	2626	=item $player_object->may ("access")
2167		2627
2168	Returns wether the given player is authorized to access resource "access"	2628	Returns wether the given player is authorized to access resource "access"
…		…
2181		2641
2182	=item $player_object->enter_link	2642	=item $player_object->enter_link
2183		2643
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2645
2186	The player should be reasonably safe there for short amounts of time. You	2646	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
2188		2650
2189	Will never block.	2651	Will never block.
2190		2652
2191	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
2192		2654
…		…
2212	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2675	my ($self) = @_;
2214		2676
2215	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
2216		2678
		2679	++$self->{_link_recursion};
		2680
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2682
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2684	if $self->map && $self->map->{path} ne "{link}";
2221		2685
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2687	}
2224		2688
2225	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
2227		2691
…		…
2244	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
2246		2710
2247	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
2250		2714
2251	$map->load;	2715	$map->load;
2252	$map->load_diag;	2716	$map->load_neighbours;
2253		2717
2254	return unless $self->contr->active;	2718	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2719
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2721	if ($self->enter_map ($map, $x, $y)) {
2259	}	2722	# entering was successful
		2723	delete $self->{_link_recursion};
		2724	# only activate afterwards, to support waiting in hooks
		2725	$self->activate_recursive;
		2726	}
2260		2727
		2728	}
		2729
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2731
2263	Moves the player to the given map-path and coordinates by first freezing	2732	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2733	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2734	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2735	the new (success) or old (failed) map position. In either case, $done will
		2736	be called at the end of this process.
		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
2267		2740
2268	=cut	2741	=cut
2269		2742
2270	our $GOTOGEN;	2743	our $GOTOGEN;
2271		2744
2272	sub cf::object::player::goto {	2745	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
2274		2753
2275	# do generation counting so two concurrent goto's will be executed in-order	2754	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2756
2278	$self->enter_link;	2757	$self->enter_link;
2279		2758
2280	(async {	2759	(async {
		2760	$Coro::current->{desc} = "player::goto $path $x $y";
		2761
		2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
2281	my $map = eval {	2781	my $map = eval {
2282	my $map = cf::map::find $path;	2782	my $map = defined $path ? cf::map::find $path : undef;
2283		2783
2284	if ($map) {	2784	if ($map) {
2285	$map = $map->customise_for ($self);	2785	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2786	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2787	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2789	}
2290		2790
2291	$map	2791	$map
2292	};	2792	};
2293		2793
…		…
2298		2798
2299	if ($gen == $self->{_goto_generation}) {	2799	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2800	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
2302	}	2802	}
		2803
		2804	$done->($self) if $done;
2303	})->prio (1);	2805	})->prio (1);
2304	}	2806	}
2305		2807
2306	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
2307		2809
…		…
2327	}	2829	}
2328		2830
2329	sub prepare_random_map {	2831	sub prepare_random_map {
2330	my ($exit) = @_;	2832	my ($exit) = @_;
2331		2833
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2834	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2835	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2836	# that depends on the exit object
2337		2837
2338	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2840	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2841	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
2345	}	2847	}
2346		2848
2347	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
2348		2850
2349	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2853	my $meta = "$RANDOMDIR/$md5.meta";
2352		2854
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2857	undef $fh;
2356	aio_rename "$meta~", $meta;	2858	aio_rename "$meta~", $meta;
2357		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
2360	}	2866	}
2361	}	2867	}
2362		2868
2363	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
2365		2871
2366	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
2367		2873
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2874	$self->enter_link;
2380		2875
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2876	(async {
2386	$self->deactivate_recursive; # just to be sure	2877	$Coro::current->{desc} = "enter_exit";
		2878
2387	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
		2886	prepare_random_map $exit
		2887	if $exit->slaying eq "/!";
		2888	}
		2889
		2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
		2893
2388	$self->goto ($slaying, $hp, $sp);	2894	$self->goto ($map, $x, $y);
2389		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
2390	1;	2900	1
2391	}) {	2901	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2904	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2906
2397	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2908	$self->leave_link;
2399	}	2909	}
2400	})->prio (1);	2910	})->prio (1);
2401	}	2911	}
2402		2912
…		…
2416		2926
2417	utf8::encode $text;	2927	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2929	}
2420		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
		2954	}
		2955
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2957
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2958	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2959	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2960	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2961	the message unless the client supports the msg packet.
2427		2962
2428	=cut	2963	=cut
2429		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
2430	sub cf::client::send_msg {	3079	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3080	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3081
2433	$msg = $self->pl->expand_cfpod ($msg);	3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
		3084
		3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
		3094	} elsif (ref $channel) {
		3095	# send meta info to client, if not yet sent
		3096	unless (exists $self->{channel}{$channel->{id}}) {
		3097	$self->{channel}{$channel->{id}} = $channel;
		3098	$self->ext_msg (channel_info => $channel);
		3099	}
		3100
		3101	$channel = $channel->{id};
		3102	}
2434		3103
2435	return unless @extra || length $msg;	3104	return unless @extra || length $msg;
2436		3105
2437	if ($self->can_msg) {	3106	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3108	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3109
2450	if ($color >= 0) {	3110	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3111	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3113	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3114
		3115	$self->send_big_packet ($pkt);
		3116	}
		3117
2461	=item $client->ext_event ($type, %msg)	3118	=item $client->ext_msg ($type, @msg)
2462		3119
2463	Sends an ext event to the client.	3120	Sends an ext event to the client.
2464		3121
2465	=cut	3122	=cut
2466		3123
2467	sub cf::client::ext_event($$%) {	3124	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3125	my ($self, $type, @msg) = @_;
2469		3126
2470	return unless $self->extcmd;	3127	if ($self->extcmd == 2) {
2471		3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3129	} elsif ($self->extcmd == 1) { # TODO: remove
2472	$msg{msgtype} = "event_$type";	3130	push @msg, msgtype => "event_$type";
2473	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
		3134
		3135	=item $client->ext_reply ($msgid, @msg)
		3136
		3137	Sends an ext reply to the client.
		3138
		3139	=cut
		3140
		3141	sub cf::client::ext_reply($$@) {
		3142	my ($self, $id, @msg) = @_;
		3143
		3144	if ($self->extcmd == 2) {
		3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3146	} elsif ($self->extcmd == 1) {
		3147	#TODO: version 1, remove
		3148	unshift @msg, msgtype => "reply", msgid => $id;
		3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3150	}
2474	}	3151	}
2475		3152
2476	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
2477		3154
2478	Queues a query to the client, calling the given callback with	3155	Queues a query to the client, calling the given callback with
…		…
2533	my ($ns, $buf) = @_;	3210	my ($ns, $buf) = @_;
2534		3211
2535	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3212	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2536		3213
2537	if (ref $msg) {	3214	if (ref $msg) {
		3215	my ($type, $reply, @payload) =
		3216	"ARRAY" eq ref $msg
		3217	? @$msg
		3218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3219
		3220	my @reply;
		3221
2538	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3222	if (my $cb = $EXTICMD{$type}) {
2539	if (my %reply = $cb->($ns, $msg)) {	3223	@reply = $cb->($ns, @payload);
2540	$reply{msgid} = $msg->{msgid};
2541	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2542	}
2543	}	3224	}
		3225
		3226	$ns->ext_reply ($reply, @reply)
		3227	if $reply;
		3228
2544	} else {	3229	} else {
2545	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2546	}	3231	}
2547		3232
2548	cf::override;	3233	cf::override;
2549	},	3234	},
2550	);	3235	);
…		…
2570		3255
2571	$coro	3256	$coro
2572	}	3257	}
2573		3258
2574	cf::client->attach (	3259	cf::client->attach (
2575	on_destroy => sub {	3260	on_client_destroy => sub {
2576	my ($ns) = @_;	3261	my ($ns) = @_;
2577		3262
2578	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2579	},	3264	},
2580	);	3265	);
…		…
2595	our $safe = new Safe "safe";	3280	our $safe = new Safe "safe";
2596	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
2597		3282
2598	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
2599		3284
2600	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3285	$safe->permit_only (Opcode::opset qw(
		3286	:base_core :base_mem :base_orig :base_math :base_loop
		3287	grepstart grepwhile mapstart mapwhile
		3288	sort time
		3289	));
2601		3290
2602	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
2603		3292
2604	=pod	3293	=pod
2605		3294
2606	The following functions and methods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
2607		3296
2608	cf::object	3297	cf::object
2609	contr pay_amount pay_player map x y force_find force_add	3298	contr pay_amount pay_player map x y force_find force_add destroy
2610	insert remove	3299	insert remove name archname title slaying race decrease split
		3300	value
2611		3301
2612	cf::object::player	3302	cf::object::player
2613	player	3303	player
2614		3304
2615	cf::player	3305	cf::player
…		…
2620		3310
2621	=cut	3311	=cut
2622		3312
2623	for (	3313	for (
2624	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2625	insert remove)],	3315	insert remove inv nrof name archname title slaying race
		3316	decrease split destroy change_exp value msg lore send_msg)],
2626	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
2627	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
2628	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
2629	) {	3320	) {
2630	no strict 'refs';
2631	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
2632	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2633	for @funs;	3323	for @funs;
2634	}	3324	}
2635		3325
…		…
2650		3340
2651	my $qcode = $code;	3341	my $qcode = $code;
2652	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2653	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
2654		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
2655	local $_;	3348	local $_;
2656	local @safe::cf::_safe_eval_args = values %vars;
2657		3349
2658	my $eval =	3350	my $eval =
2659	"do {\n"	3351	"do {\n"
2660	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2661	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
2662	. $code	3354	. $code
2663	. "\n}"	3355	. "\n}"
2664	;	3356	;
2665		3357
		3358	if ($CFG{safe_eval}) {
2666	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
2667	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2668	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
2669		3367
2670	if ($@) {	3368	if ($@) {
2671	warn "$@";	3369	warn "$@",
2672	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
2673	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
2674	}	3372	}
2675		3373
2676	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
2677	}	3375	}
2678		3376
…		…
2692	=cut	3390	=cut
2693		3391
2694	sub register_script_function {	3392	sub register_script_function {
2695	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
2696		3394
2697	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
2698	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
2699	}	3397	}
2700		3398
2701	=back	3399	=back
2702		3400
2703	=cut	3401	=cut
…		…
2706	# the server's init and main functions	3404	# the server's init and main functions
2707		3405
2708	sub load_facedata($) {	3406	sub load_facedata($) {
2709	my ($path) = @_;	3407	my ($path) = @_;
2710		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2711	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2712		3416
2713	my $facedata;
2714	0 < aio_load $path, $facedata	3417	0 < aio_load $path, my $facedata
2715	or die "$path: $!";	3418	or die "$path: $!";
2716		3419
2717	$facedata = Coro::Storable::thaw $facedata;	3420	$facedata = Coro::Storable::thaw $facedata;
2718		3421
2719	$facedata->{version} == 2	3422	$facedata->{version} == 2
2720	or cf::cleanup "$path: version mismatch, cannot proceed.";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2721		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
2722	{	3434	{
2723	my $faces = $facedata->{faceinfo};	3435	my $faces = $facedata->{faceinfo};
2724		3436
2725	while (my ($face, $info) = each %$faces) {	3437	while (my ($face, $info) = each %$faces) {
2726	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
2727	cf::face::set_visibility $idx, $info->{visibility};	3440	cf::face::set_visibility $idx, $info->{visibility};
2728	cf::face::set_magicmap $idx, $info->{magicmap};	3441	cf::face::set_magicmap $idx, $info->{magicmap};
2729	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2730	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2731		3444
2732	cf::cede_to_tick;	3445	cf::cede_to_tick;
2733	}	3446	}
2734		3447
2735	while (my ($face, $info) = each %$faces) {	3448	while (my ($face, $info) = each %$faces) {
2736	next unless $info->{smooth};	3449	next unless $info->{smooth};
		3450
2737	my $idx = cf::face::find $face	3451	my $idx = cf::face::find $face
2738	or next;	3452	or next;
		3453
2739	if (my $smooth = cf::face::find $info->{smooth}) {	3454	if (my $smooth = cf::face::find $info->{smooth}) {
2740	cf::face::set_smooth $idx, $smooth;	3455	cf::face::set_smooth $idx, $smooth;
2741	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2742	} else {	3457	} else {
2743	warn "smooth face '$info->{smooth}' not found for face '$face'";	3458	error "smooth face '$info->{smooth}' not found for face '$face'";
2744	}	3459	}
2745		3460
2746	cf::cede_to_tick;	3461	cf::cede_to_tick;
2747	}	3462	}
2748	}	3463	}
…		…
2757		3472
2758	cf::anim::invalidate_all; # d'oh	3473	cf::anim::invalidate_all; # d'oh
2759	}	3474	}
2760		3475
2761	{	3476	{
2762	# TODO: for gcfclient pleasure, we should give resources
2763	# that gcfclient doesn't grok a >10000 face index.
2764	my $res = $facedata->{resource};	3477	my $res = $facedata->{resource};
2765	my $enc = JSON::XS->new->utf8->canonical;
2766		3478
2767	while (my ($name, $info) = each %$res) {	3479	while (my ($name, $info) = each %$res) {
2768	my $meta = $enc->encode ({	3480	if (defined $info->{type}) {
2769	name => $name,
2770	type => $info->{type},
2771	copyright => $info->{copyright}, #TODO#
2772	});
2773	my $data = pack "(w/a*)*", $meta, $info->{data};
2774	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2775
2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2777	cf::face::set_type $idx, 1;	3484	cf::face::set_type $idx, $info->{type};
2778	cf::face::set_data $idx, 0, $data, $chk;	3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
2779		3488
2780	cf::cede_to_tick;	3489	cf::cede_to_tick;
2781	}	3490	}
2782	}	3491	}
2783		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
2784	1	3495	1
2785	}	3496	}
2786		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
2787	sub reload_regions {	3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
2788	load_resource_file "$MAPDIR/regions"	3521	load_resource_file "$MAPDIR/regions"
2789	or die "unable to load regions file\n";	3522	or die "unable to load regions file\n";
2790		3523
2791	for (cf::region::list) {	3524	for (cf::region::list) {
2792	$_->{match} = qr/$_->{match}/	3525	$_->{match} = qr/$_->{match}/
…		…
2800	}	3533	}
2801		3534
2802	sub reload_archetypes {	3535	sub reload_archetypes {
2803	load_resource_file "$DATADIR/archetypes"	3536	load_resource_file "$DATADIR/archetypes"
2804	or die "unable to load archetypes\n";	3537	or die "unable to load archetypes\n";
2805	#d# NEED to laod twice to resolve forward references
2806	# this really needs to be done in an extra post-pass
2807	# (which needs to be synchronous, so solve it differently)
2808	load_resource_file "$DATADIR/archetypes"
2809	or die "unable to load archetypes\n";
2810	}	3538	}
2811		3539
2812	sub reload_treasures {	3540	sub reload_treasures {
2813	load_resource_file "$DATADIR/treasures"	3541	load_resource_file "$DATADIR/treasures"
2814	or die "unable to load treasurelists\n";	3542	or die "unable to load treasurelists\n";
2815	}	3543	}
2816		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
2817	sub reload_resources {	3568	sub reload_resources {
2818	warn "reloading resource files...\n";	3569	trace "reloading resource files...\n";
2819		3570
		3571	reload_exp_table;
		3572	reload_materials;
		3573	reload_facedata;
		3574	reload_sound;
		3575	reload_archetypes;
2820	reload_regions;	3576	reload_regions;
2821	reload_facedata;
2822	#reload_archetypes;#d#
2823	reload_archetypes;
2824	reload_treasures;	3577	reload_treasures;
2825		3578
2826	warn "finished reloading resource files\n";	3579	trace "finished reloading resource files\n";
2827	}	3580	}
2828		3581
2829	sub init {	3582	sub reload_config {
2830	reload_resources;	3583	trace "reloading config file...\n";
2831	}
2832		3584
2833	sub cfg_load {	3585	0 < aio_load "$CONFDIR/config", my $config
2834	open my $fh, "<:utf8", "$CONFDIR/config"	3586	or die "$CONFDIR/config: $!";
2835	or return;
2836		3587
2837	local $/;	3588	utf8::decode $config;
2838	*CFG = YAML::Syck::Load <$fh>;	3589	*CFG = yaml_load $config;
2839		3590
2840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2841		3592
2842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2844		3595
2845	if (exists $CFG{mlockall}) {	3596	if (exists $CFG{mlockall}) {
…		…
2849	};	3600	};
2850	warn $@ if $@;	3601	warn $@ if $@;
2851	}	3602	}
2852	}	3603	}
2853		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
		3631	}
		3632
2854	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2855	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2856	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2857	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2858	(async {	3646	(async {
2859	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2860	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2861	};	3650	};
2862		3651
2863	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
2864	db_init;	3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
2865	load_extensions;	3675	load_extensions;
2866		3676
2867	$TICK_WATCHER->start;	3677	utime time, time, $RUNTIMEFILE;
2868	Event::loop;	3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
2869	}	3695	}
2870		3696
2871	#############################################################################	3697	#############################################################################
2872	# initialisation and cleanup	3698	# initialisation and cleanup
2873		3699
2874	# install some emergency cleanup handlers	3700	# install some emergency cleanup handlers
2875	BEGIN {	3701	BEGIN {
		3702	our %SIGWATCHER = ();
2876	for my $signal (qw(INT HUP TERM)) {	3703	for my $signal (qw(INT HUP TERM)) {
2877	Event->signal (	3704	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2878	reentrant => 0,
2879	data => WF_AUTOCANCEL,
2880	signal => $signal,
2881	prio => 0,
2882	cb => sub {
2883	cf::cleanup "SIG$signal";	3705	cf::cleanup "SIG$signal";
2884	},
2885	);	3706	};
2886	}	3707	}
2887	}	3708	}
2888		3709
2889	sub write_runtime {	3710	sub write_runtime_sync {
2890	my $runtime = "$LOCALDIR/runtime";	3711	my $t0 = AE::time;
2891		3712
2892	# first touch the runtime file to show we are still running:	3713	# first touch the runtime file to show we are still running:
2893	# the fsync below can take a very very long time.	3714	# the fsync below can take a very very long time.
2894		3715
2895	IO::AIO::aio_utime $runtime, undef, undef;	3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2896		3717
2897	my $guard = cf::lock_acquire "write_runtime";	3718	my $guard = cf::lock_acquire "write_runtime";
2898		3719
2899	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2900	or return;	3721	or return;
2901		3722
2902	my $value = $cf::RUNTIME + 90 + 10;	3723	my $value = $cf::RUNTIME + 90 + 10;
2903	# 10 is the runtime save interval, for a monotonic clock	3724	# 10 is the runtime save interval, for a monotonic clock
2904	# 60 allows for the watchdog to kill the server.	3725	# 60 allows for the watchdog to kill the server.
…		…
2914	aio_utime $fh, undef, undef;	3735	aio_utime $fh, undef, undef;
2915		3736
2916	close $fh	3737	close $fh
2917	or return;	3738	or return;
2918		3739
2919	aio_rename "$runtime~", $runtime	3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2920	and return;	3741	and return;
2921		3742
2922	warn "runtime file written.\n";	3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2923		3744
2924	1	3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
2925	}	3796	}
2926		3797
2927	sub emergency_save() {	3798	sub emergency_save() {
2928	my $freeze_guard = cf::freeze_mainloop;	3799	my $freeze_guard = cf::freeze_mainloop;
2929		3800
2930	warn "enter emergency perl save\n";	3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
2931		3807
2932	cf::sync_job {	3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
2933	# use a peculiar iteration method to avoid tripping on perl	3811	# use a peculiar iteration method to avoid tripping on perl
2934	# refcount bugs in for. also avoids problems with players	3812	# refcount bugs in for. also avoids problems with players
2935	# and maps saved/destroyed asynchronously.	3813	# and maps saved/destroyed asynchronously.
2936	warn "begin emergency player save\n";	3814	info "emergency_perl_save: begin player save\n";
2937	for my $login (keys %cf::PLAYER) {	3815	for my $login (keys %cf::PLAYER) {
2938	my $pl = $cf::PLAYER{$login} or next;	3816	my $pl = $cf::PLAYER{$login} or next;
2939	$pl->valid or next;	3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2940	$pl->save;	3819	$pl->save;
2941	}	3820	}
2942	warn "end emergency player save\n";	3821	info "emergency_perl_save: end player save\n";
2943		3822
2944	warn "begin emergency map save\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
2945	for my $path (keys %cf::MAP) {	3826	for my $path (keys %cf::MAP) {
2946	my $map = $cf::MAP{$path} or next;	3827	my $map = $cf::MAP{$path} or next;
2947	$map->valid or next;	3828	$map->valid or next;
2948	$map->save;	3829	$map->save;
2949	}	3830	}
2950	warn "end emergency map save\n";	3831	info "emergency_perl_save: end map save\n";
2951		3832
2952	warn "begin emergency database checkpoint\n";	3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
2953	BDB::db_env_txn_checkpoint $DB_ENV;	3836	BDB::db_env_txn_checkpoint $DB_ENV;
2954	warn "end emergency database checkpoint\n";	3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
2955	};	3861	};
2956		3862
2957	warn "leave emergency perl save\n";	3863	info "emergency_perl_save: leave\n";
2958	}	3864	}
2959		3865
2960	sub post_cleanup {	3866	sub post_cleanup {
2961	my ($make_core) = @_;	3867	my ($make_core) = @_;
2962		3868
		3869	IO::AIO::flush;
		3870
2963	warn Carp::longmess "post_cleanup backtrace"	3871	error Carp::longmess "post_cleanup backtrace"
2964	if $make_core;	3872	if $make_core;
		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
2965	}	3901	}
2966		3902
2967	sub do_reload_perl() {	3903	sub do_reload_perl() {
2968	# can/must only be called in main	3904	# can/must only be called in main
2969	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
2970	warn "can only reload from main coroutine";	3906	error "can only reload from main coroutine";
2971	return;	3907	return;
2972	}	3908	}
2973		3909
2974	warn "reloading...";	3910	return if $RELOAD++;
2975		3911
2976	warn "entering sync_job";	3912	my $t1 = AE::time;
2977		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
2978	cf::sync_job {	3920	cf::sync_job {
2979	cf::write_runtime; # external watchdog should not bark
2980	cf::emergency_save;	3921	#cf::emergency_save;
2981	cf::write_runtime; # external watchdog should not bark
2982		3922
2983	warn "syncing database to disk";
2984	BDB::db_env_txn_checkpoint $DB_ENV;
2985
2986	# if anything goes wrong in here, we should simply crash as we already saved
2987
2988	warn "cancelling all WF_AUTOCANCEL watchers";
2989	for (Event::all_watchers) {
2990	$_->cancel if $_->data & WF_AUTOCANCEL;
2991	}
2992
2993	warn "flushing outstanding aio requests";
2994	for (;;) {
2995	BDB::flush;
2996	IO::AIO::flush;
2997	Coro::cede;
2998	last unless IO::AIO::nreqs || BDB::nreqs;
2999	warn "iterate...";
3000	}
3001
3002	++$RELOAD;
3003
3004	warn "cancelling all extension coros";	3923	trace "perl_reload: cancelling all extension coros";
3005	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
3006	%EXT_CORO = ();	3925	%EXT_CORO = ();
3007		3926
3008	warn "removing commands";	3927	trace "perl_reload: removing commands";
3009	%COMMAND = ();	3928	%COMMAND = ();
3010		3929
3011	warn "removing ext/exti commands";	3930	trace "perl_reload: removing ext/exti commands";
3012	%EXTCMD = ();	3931	%EXTCMD = ();
3013	%EXTICMD = ();	3932	%EXTICMD = ();
3014		3933
3015	warn "unloading/nuking all extensions";	3934	trace "perl_reload: unloading/nuking all extensions";
3016	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
3017	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
3018		3937
3019	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
3020	eval {	3939	eval {
3021	$cb->($pkg);	3940	$cb->($pkg);
3022	1	3941	1
3023	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
3024	}	3947	}
3025		3948
3026	warn "... nuking $pkg";
3027	Symbol::delete_package $pkg;
3028	}
3029
3030	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3031	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
3032	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3033		3952
3034	warn "... unloading $k";	3953	trace "... unloading $k";
3035	delete $INC{$k};	3954	delete $INC{$k};
3036		3955
3037	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
3038	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
3039		3958
3040	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
3041	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
3042	}	3964	}
3043		3965
3044	Symbol::delete_package $k;
3045	}
3046
3047	warn "getting rid of safe::, as good as possible";	3966	trace "perl_reload: getting rid of safe::, as good as possible";
3048	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
3049	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3050		3969
3051	warn "unloading cf.pm \"a bit\"";	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
3052	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
3053	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3054		3973
3055	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
3056	# and global variables created in xs	3975	# and global variables created in xs
3057	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
3058		3977
3059	warn "unload completed, starting to reload now";	3978	info "perl_reload: unload completed, starting to reload now";
3060		3979
3061	warn "reloading cf.pm";	3980	trace "perl_reload: reloading cf.pm";
3062	require cf;	3981	require cf;
3063	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
3064		3983
3065	warn "loading config and database again";	3984	trace "perl_reload: loading config and database again";
3066	cf::cfg_load;	3985	cf::reload_config;
3067		3986
3068	warn "loading extensions";	3987	trace "perl_reload: loading extensions";
3069	cf::load_extensions;	3988	cf::load_extensions;
3070		3989
		3990	if ($REATTACH_ON_RELOAD) {
3071	warn "reattaching attachments to objects/players";	3991	trace "perl_reload: reattaching attachments to objects/players";
3072	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
3073	warn "reattaching attachments to maps";	3993	trace "perl_reload: reattaching attachments to maps";
3074	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
3075	warn "reattaching attachments to players";	3995	trace "perl_reload: reattaching attachments to players";
3076	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
3077		3998
3078	warn "leaving sync_job";	3999	cf::_post_init 1;
3079		4000
		4001	trace "perl_reload: leaving sync_job";
		4002
3080	1	4003	1
3081	} or do {	4004	} or do {
3082	warn $@;	4005	error $@;
3083	warn "error while reloading, exiting.";	4006	cf::cleanup "perl_reload: error, exiting.";
3084	exit 1;	4007	};
		4008
		4009	--$RELOAD;
3085	};	4010	}
3086		4011
3087	warn "reloaded";	4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
3088	};	4014	};
3089		4015
3090	our $RELOAD_WATCHER; # used only during reload	4016	our $RELOAD_WATCHER; # used only during reload
3091		4017
3092	sub reload_perl() {	4018	sub reload_perl() {
3093	# doing reload synchronously and two reloads happen back-to-back,	4019	# doing reload synchronously and two reloads happen back-to-back,
3094	# coro crashes during coro_state_free->destroy here.	4020	# coro crashes during coro_state_free->destroy here.
3095		4021
3096	$RELOAD_WATCHER ||= Event->timer (	4022	$RELOAD_WATCHER ||= cf::async {
3097	reentrant => 0,	4023	Coro::AIO::aio_wait cache_extensions;
3098	after => 0,	4024
3099	data => WF_AUTOCANCEL,	4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3100	cb => sub {
3101	do_reload_perl;	4026	do_reload_perl;
3102	undef $RELOAD_WATCHER;	4027	undef $RELOAD_WATCHER;
3103	},	4028	};
3104	);	4029	};
3105	}	4030	}
3106		4031
3107	register_command "reload" => sub {	4032	register_command "reload" => sub {
3108	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
3109		4034
3110	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
3111	$who->message ("reloading server.");	4036	$who->message ("reloading server.");
		4037	async {
		4038	$Coro::current->{desc} = "perl_reload";
3112	async { reload_perl };	4039	reload_perl;
		4040	};
3113	}	4041	}
3114	};	4042	};
3115		4043
3116	unshift @INC, $LIBDIR;	4044	#############################################################################
3117		4045
3118	my $bug_warning = 0;	4046	my $bug_warning = 0;
3119		4047
3120	our @WAIT_FOR_TICK;	4048	our @WAIT_FOR_TICK;
3121	our @WAIT_FOR_TICK_BEGIN;	4049	our @WAIT_FOR_TICK_BEGIN;
3122		4050
3123	sub wait_for_tick {	4051	sub wait_for_tick() {
3124	return unless $TICK_WATCHER->is_active;
3125	return if $Coro::current == $Coro::main;	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3126		4053
3127	my $signal = new Coro::Signal;	4054	my $signal = new Coro::Signal;
3128	push @WAIT_FOR_TICK, $signal;	4055	push @WAIT_FOR_TICK, $signal;
3129	$signal->wait;	4056	$signal->wait;
3130	}	4057	}
3131		4058
3132	sub wait_for_tick_begin {	4059	sub wait_for_tick_begin() {
3133	return unless $TICK_WATCHER->is_active;
3134	return if $Coro::current == $Coro::main;	4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3135		4061
3136	my $signal = new Coro::Signal;	4062	my $signal = new Coro::Signal;
3137	push @WAIT_FOR_TICK_BEGIN, $signal;	4063	push @WAIT_FOR_TICK_BEGIN, $signal;
3138	$signal->wait;	4064	$signal->wait;
3139	}	4065	}
3140		4066
3141	my $min = 1e6;#d#	4067	sub tick {
3142	my $avg = 10;
3143	$TICK_WATCHER = Event->timer (
3144	reentrant => 0,
3145	parked => 1,
3146	prio => 0,
3147	at => $NEXT_TICK || $TICK,
3148	data => WF_AUTOCANCEL,
3149	cb => sub {
3150	if ($Coro::current != $Coro::main) {	4068	if ($Coro::current != $Coro::main) {
3151	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3152	unless ++$bug_warning > 10;	4070	unless ++$bug_warning > 10;
3153	return;	4071	return;
3154	}	4072	}
3155		4073
3156	$NOW = $tick_start = Event::time;
3157
3158	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
3159		4075
3160	0 && sync_job {#d#	4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3161	for(1..10) {
3162	my $t = Event::time;
3163	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3164	or die;
3165		4077
3166	$map->width (50);	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3167	$map->height (50);	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3168	$map->alloc;	4080	Coro::async_pool {
3169	$map->_load_objects ("/tmp/x.map", 1);	4081	$Coro::current->{desc} = "runtime saver";
3170	my $t = Event::time - $t;	4082	write_runtime_sync
3171		4083	or error "ERROR: unable to write runtime file: $!";
3172	#next unless $t < 0.0013;#d#
3173	if ($t < $min) {
3174	$min = $t;
3175	}
3176	$avg = $avg * 0.99 + $t * 0.01;
3177	}
3178	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3179	exit 0;
3180	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3181	};	4084	};
		4085	}
3182		4086
3183	$RUNTIME += $TICK;
3184	$NEXT_TICK += $TICK;
3185
3186	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3187	$NEXT_RUNTIME_WRITE = $NOW + 10;
3188	Coro::async_pool {
3189	write_runtime
3190	or warn "ERROR: unable to write runtime file: $!";
3191	};
3192	}
3193
3194	# my $AFTER = Event::time;
3195	# warn $AFTER - $NOW;#d#
3196
3197	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3198	$sig->send;	4088	$sig->send;
3199	}	4089	}
3200	while (my $sig = shift @WAIT_FOR_TICK) {	4090	while (my $sig = shift @WAIT_FOR_TICK) {
3201	$sig->send;	4091	$sig->send;
3202	}	4092	}
3203		4093
3204	$NOW = Event::time;	4094	$LOAD = ($NOW - $TICK_START) / $TICK;
3205
3206	# if we are delayed by four ticks or more, skip them all
3207	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3208
3209	$TICK_WATCHER->at ($NEXT_TICK);
3210	$TICK_WATCHER->start;
3211
3212	$LOAD = ($NOW - $tick_start) / $TICK;
3213	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3214		4096
3215	_post_tick;	4097	if (0) {
3216		4098	if ($NEXT_TICK) {
3217		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
		4102	}
3218	},	4103	}
3219	);	4104	}
3220		4105
3221	{	4106	{
3222	BDB::max_poll_time $TICK * 0.1;	4107	# configure BDB
3223	$BDB_POLL_WATCHER = Event->io (	4108
3224	reentrant => 0,
3225	fd => BDB::poll_fileno,
3226	poll => 'r',
3227	prio => 0,
3228	data => WF_AUTOCANCEL,
3229	cb => \&BDB::poll_cb,
3230	);
3231	BDB::min_parallel 8;	4109	BDB::min_parallel 16;
3232		4110	BDB::max_poll_reqs $TICK * 0.1;
3233	BDB::set_sync_prepare {	4111	$AnyEvent::BDB::WATCHER->priority (1);
3234	my $status;
3235	my $current = $Coro::current;
3236	(
3237	sub {
3238	$status = $!;
3239	$current->ready; undef $current;
3240	},
3241	sub {
3242	Coro::schedule while defined $current;
3243	$! = $status;
3244	},
3245	)
3246	};
3247		4112
3248	unless ($DB_ENV) {	4113	unless ($DB_ENV) {
3249	$DB_ENV = BDB::db_env_create;	4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3250		4120
3251	cf::sync_job {	4121	cf::sync_job {
3252	eval {	4122	eval {
3253	BDB::db_env_open	4123	BDB::db_env_open
3254	$DB_ENV,	4124	$DB_ENV,
…		…
3256	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3257	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3258	0666;	4128	0666;
3259		4129
3260	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4130	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3261
3262	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3263	$DB_ENV->set_lk_detect;
3264	};	4131	};
3265		4132
3266	cf::cleanup "db_env_open(db): $@" if $@;	4133	cf::cleanup "db_env_open(db): $@" if $@;
3267	};	4134	};
3268	}	4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
3269	}	4146	}
3270		4147
3271	{	4148	{
		4149	# configure IO::AIO
		4150
3272	IO::AIO::min_parallel 8;	4151	IO::AIO::min_parallel 8;
3273
3274	undef $Coro::AIO::WATCHER;
3275	IO::AIO::max_poll_time $TICK * 0.1;	4152	IO::AIO::max_poll_time $TICK * 0.1;
3276	$AIO_POLL_WATCHER = Event->io (	4153	undef $AnyEvent::AIO::WATCHER;
3277	reentrant => 0,
3278	data => WF_AUTOCANCEL,
3279	fd => IO::AIO::poll_fileno,
3280	poll => 'r',
3281	prio => 6,
3282	cb => \&IO::AIO::poll_cb,
3283	);
3284	}	4154	}
3285		4155
3286	my $_log_backtrace;	4156	our $_log_backtrace;
		4157	our $_log_backtrace_last;
3287		4158
3288	sub _log_backtrace {	4159	sub _log_backtrace {
3289	my ($msg, @addr) = @_;	4160	my ($msg, @addr) = @_;
3290		4161
3291	$msg =~ s/\n//;	4162	$msg =~ s/\n$//;
3292		4163
		4164	if ($_log_backtrace_last eq $msg) {
		4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3293	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3294	if ($_log_backtrace < 2) {	4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
3295	++$_log_backtrace;	4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
3296	async {	4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
3297	my @bt = fork_call {	4175	my @bt = fork_call {
3298	@addr = map { sprintf "%x", $_ } @addr;	4176	@addr = map { sprintf "%x", $_ } @addr;
3299	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3300	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3301	or die "addr2line: $!";	4179	or die "addr2line: $!";
…		…
3309	}	4187	}
3310		4188
3311	@funcs	4189	@funcs
3312	};	4190	};
3313		4191
3314	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3315	LOG llevInfo, "[ABT] $_\n" for @bt;	4194	LOG llevInfo, "[ABT] $_\n" for @bt;
3316	--$_log_backtrace;	4195	--$_log_backtrace;
3317	};	4196	};
3318	} else {	4197	} else {
3319	LOG llevInfo, "[ABT] $msg\n";	4198	LOG llevInfo, "[ABT] $msg\n";
3320	LOG llevInfo, "[ABT] [suppressed]\n";	4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3321	}	4200	}
3322	}	4201	}
3323		4202
3324	# load additional modules	4203	# load additional modules
3325	use cf::pod;	4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
3326		4206
3327	END { cf::emergency_save }	4207	END { cf::emergency_save }
3328		4208
3329	1	4209	1
3330		4210

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