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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	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;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	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::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	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
168	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
169	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.
170		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
171	=back	258	=back
172		259
173	=cut	260	=cut
174		261
175	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	269	my $msg = join "", @_;
178		270
179	$msg .= "\n"	271	$msg .= "\n"
180	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
181		273
182	$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;
183		275
184	utf8::encode $msg;
185	LOG llevError, $msg;	276	LOG llevWarn, $msg;
186	};	277	};
187	}	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	};
188		292
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	303	for my $pkg (qw(
200	cf::global cf::attachable	304	cf::global cf::attachable
201	cf::object cf::object::player	305	cf::object cf::object::player
202	cf::client cf::player	306	cf::client cf::player
203	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
204	cf::map cf::party cf::region	309	cf::party cf::region
205	)) {	310	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	312	}
209		313
210	$Event::DIED = sub {	314	$EV::DIED = sub {
211	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
212	};	316	};
213		317
214	#############################################################################	318	#############################################################################
215		319
216	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	343	$d
240	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
241	}	345	}
242		346
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
251	=cut	355	=cut
252		356
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		358
255	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		404
258	=item cf::lock_wait $string	405	=item cf::lock_wait $string
259		406
260	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
261		408
262	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
263		410
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
267	returned.	414	returned.
268		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
269	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
270	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
271		421
272	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
273		423
274	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.
275		425
276	=cut	426	=cut
277		427
278	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
279		429
280	sub lock_wait($) {	430	sub lock_wait($) {
281	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	432	}
289		433
290	sub lock_acquire($) {	434	sub lock_acquire($) {
291	my ($key) = @_;	435	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	436	}
303		437
304	sub lock_active($) {	438	sub lock_active($) {
305	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	440	}
309		441
310	sub freeze_mainloop {	442	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
312		444
313	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
315	};	512	}
316	$TICK_WATCHER->stop;	513	};
317	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
318	}	528	}
319		529
320	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
321		531
322	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		537
328	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
329		539
330	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
331		541
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	545	acceptable.
336		546
337	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	552	=cut
343		553
344	sub sync_job(&) {	554	sub sync_job(&) {
345	my ($job) = @_;	555	my ($job) = @_;
346		556
347	if ($Coro::current == $Coro::main) {	557	if (in_main) {
348	my $time = Event::time;	558	my $time = AE::time;
349		559
350	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
352		562
353	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	564
355	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
356		566
357	my $busy = 1;	567	my $busy = 1;
358	my @res;	568	my @res;
359		569
360	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	572	@res = eval { $job->() };
362	warn $@ if $@;	573	error $@ if $@;
363	undef $busy;	574	undef $busy;
364	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
365		576
366	while ($busy) {	577	while ($busy) {
367	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
368	}	582	}
		583	}
369		584
370	$time = Event::time - $time;	585	my $time = AE::time - $time;
371		586
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
376		588
377	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
378	} else {	590	} else {
379	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
380		592
…		…
400	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
401		613
402	$coro	614	$coro
403	}	615	}
404		616
405	=item fork_call { }, $args	617	=item fork_call { }, @args
406		618
407	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
408	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
409	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
410	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
411		623
412	=cut	624	=cut
413		625
414	sub _store_scalar {	626	sub post_fork {
415	open my $fh, ">", \my $buf	627	reset_signals;
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}	628	}
422		629
423	sub fork_call(&@) {	630	sub fork_call(&@) {
424	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
425		632
426	# 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,
427	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		636
431	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
432	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
433		641
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
435	warn "pst<$res>" unless $res =~ /^pst/;	643	}
436	$res = Coro::Storable::thaw $res;
437		644
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;
445	local $SIG{__WARN__};
446	local $SIG{__DIE__};
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452
453	eval {
454	close $fh1;
455
456	my @res = eval { $cb->(@args) };
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	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
465	}	681	}
466		682
467	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
468		684
469	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
472		688
473	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
474	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).
475		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
476	=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	}
477		718
478	our $DB;	719	our $DB;
479		720
480	sub db_init {	721	sub db_init {
481	unless ($DB) {	722	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	723	}
496		724
497	sub db_get($$) {	725	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
499		727
500	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
501	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
502		732
503	$! ? ()	733	$! ? ()
504	: $data	734	: $data
505	}
506	}	735	}
507		736
508	sub db_put($$$) {	737	sub db_put($$$) {
509	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
549	if (1) {	778	if (1) {
550	$md5 =	779	$md5 =
551	join "\x00",	780	join "\x00",
552	$processversion,	781	$processversion,
553	map {	782	map {
554	Coro::cede;	783	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	785	} 0.. $#$src;
557		786
558		787
559	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		795
567	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	797	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
570		799
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		801
573	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
576		805
…		…
586		815
587	=cut	816	=cut
588		817
589	sub datalog($@) {	818	sub datalog($@) {
590	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	821	}
593		822
594	=back	823	=back
595		824
596	=cut	825	=cut
597		826
598	#############################################################################	827	#############################################################################
599		828
600	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
601		830
602	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
603	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")
604	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
605		834
606	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>
607	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
608	Crossfire TRT).	837	Deliantra).
609		838
610	=over 4	839	=over 4
611		840
612	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
613		842
…		…
657	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
658		887
659	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
660	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
661		890
662	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		893
665	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
666		895
667	=over 4	896	=over 4
…		…
791		1020
792	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		1023
795	} elsif (ref $type) {	1024	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
797		1026
798	} else {	1027	} else {
799	shift @arg;	1028	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
801	}	1030	}
802	}	1031	}
803	}	1032	}
804		1033
805	sub _object_attach {	1034	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
816	}	1045	}
817		1046
818	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
819	} else {	1048	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1050	}
822		1051
823	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
824	}	1053	}
825		1054
…		…
865	";	1094	";
866	die if $@;	1095	die if $@;
867	}	1096	}
868		1097
869	our $override;	1098	our $override;
870	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?
871		1100
872	sub override {	1101	sub override {
873	$override = 1;	1102	$override = 1;
874	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
875	}	1104	}
876		1105
877	sub do_invoke {	1106	sub do_invoke {
878	my $event = shift;	1107	my $event = shift;
879	my $callbacks = shift;	1108	my $callbacks = shift;
880		1109
881	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
882		1111
883	local $override;	1112	local $override;
884		1113
885	for (@$callbacks) {	1114	for (@$callbacks) {
886	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
887		1116
888	if ($@) {	1117	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1119	override;
892	}	1120	}
893		1121
894	return 1 if $override;	1122	return 1 if $override;
895	}	1123	}
896		1124
897	0	1125	0
898	}	1126	}
899		1127
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1129
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1131
904	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
905		1133
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1137
910	=back	1138	=back
911		1139
912	=cut	1140	=cut
913		1141
914	#############################################################################	1142	#############################################################################
915	# 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	}
916		1186
917	sub reattach {	1187	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1189	my ($obj) = @_;
920		1190
		1191	# no longer needed after getting rid of delete_package?
921	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
922		1193
923	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
924		1195
925	@$registry = ();	1196	@$registry = ();
926		1197
…		…
931	for (@$attach) {	1202	for (@$attach) {
932	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
934	}	1205	}
935	} else {	1206	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1208	}
938	}	1209	}
939	}	1210	}
940		1211
941	cf::attachable->attach (	1212	cf::attachable->attach (
942	prio => -1000000,	1213	prio => -1000000,
943	on_instantiate => sub {	1214	on_instantiate => sub {
944	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
945		1216
946	$data = from_json $data;	1217	$data = decode_json $data;
947		1218
948	for (@$data) {	1219	for (@$data) {
949	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
950		1221
951	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1238	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
969		1240
970	sync_job {	1241	sync_job {
971	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
974		1247
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	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	}
979	close $fh;	1255	aio_close $fh;
980		1256
981	if (@$objs) {	1257	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
986	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	}
987	close $fh;	1266	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
989	}	1268	}
990	} else {	1269	} else {
991	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
992	}	1271	}
993		1272
994	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1277	} else {
996	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
997	}	1279	}
998	} else {	1280	} else {
999	aio_unlink $filename;	1281	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1001	}	1283	}
1002	}	1284	};
1003	}	1285	}
1004		1286
1005	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1007		1289
…		…
1019	or return;	1301	or return;
1020		1302
1021	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1305	or return;
		1306
1024	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1025	}	1309	}
1026		1310
		1311	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1029	return ($data, $av);	1316	($data, $av)
1030	}	1317	}
1031		1318
1032	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1033		1320
1034	=over 4	1321	=over 4
…		…
1088	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1089		1376
1090	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1091	}	1378	}
1092		1379
		1380	use File::Glob ();
		1381
1093	cf::player->attach (	1382	cf::player->attach (
1094	on_command => sub {	1383	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1096		1385
1097	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1098	or return;	1387	or return;
1099		1388
…		…
1107	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1108		1397
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1399
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1117	} else {	1415	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1417	}
1120		1418
1121	cf::override;	1419	cf::override;
1122	},	1420	},
1123	);	1421	);
1124		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
1125	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1126	cf::sync_job {	1439	cf::sync_job {
1127	my %todo;	1440	my %todo;
1128		1441
1129	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1443	next unless -r $path;
…		…
1148		1461
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1464
1152	$ext{source} =	1465	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1155	. $source	1468	. $source
1156	. "\n};\n1";	1469	. "\n};\n1";
1157		1470
1158	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1159	}	1472	}
1160		1473
		1474	my $pass = 0;
1161	my %done;	1475	my %done;
1162	while (%todo) {	1476	while (%todo) {
1163	my $progress;	1477	my $progress;
1164		1478
		1479	++$pass;
		1480
		1481	ext:
1165	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1484	next ext
1168	unless exists $done{$_};	1485	unless exists $done{$_};
1169	}	1486	}
1170		1487
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1489
1173	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1178	warn $msg;	1497
1179	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1499	delete $todo{$k};
1181	}	1500	} else {
1182		1501	$done{$k} = delete $todo{$k};
1183	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1184	}	1507	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1508	}
1190		1509
1191	skip:	1510	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	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	}
1194	}	1518	}
1195	};	1519	};
1196	}	1520	}
1197		1521
1198	#############################################################################	1522	#############################################################################
1199		1523
1200	=back	1524	=back
1201		1525
1202	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1203		1527
1204	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1205		1529
1206	=cut	1530	=cut
1207		1531
1208	package cf::player;	1532	package cf::player;
1209		1533
1210	use Coro::AIO;	1534	use Coro::AIO;
1211		1535
1212	=head3 cf::player	1536	=head3 cf::player
1213		1537
1214	=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	}
1215		1553
1216	=item cf::player::find $login	1554	=item cf::player::find $login
1217		1555
1218	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1219		1557
…		…
1238		1576
1239	sub exists($) {	1577	sub exists($) {
1240	my ($login) = @_;	1578	my ($login) = @_;
1241		1579
1242	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1244	}	1582	}
1245		1583
1246	sub find($) {	1584	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1586	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1597
1260	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1263	}	1607	}
1264	}	1608	}
1265	}	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	);
1266		1623
1267	sub save($) {	1624	sub save($) {
1268	my ($pl) = @_;	1625	my ($pl) = @_;
1269		1626
1270	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1276		1633
1277	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1279		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
1280	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1281	Coro::cede;	1643	cf::cede_to_tick;
1282	}	1644	}
1283		1645
1284	sub new($) {	1646	sub new($) {
1285	my ($login) = @_;	1647	my ($login) = @_;
1286		1648
…		…
1292	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1293		1655
1294	$self	1656	$self
1295	}	1657	}
1296		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
1297	=item $pl->quit_character	1669	=item $pl->quit_character
1298		1670
1299	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
1300	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1301		1673
…		…
1305	my ($pl) = @_;	1677	my ($pl) = @_;
1306		1678
1307	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1308		1680
1309	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1310	$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
1311		1683
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1313	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1315	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1316		1692
1317	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1319	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1354	or return [];	1730	or return [];
1355		1731
1356	my @logins;	1732	my @logins;
1357		1733
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1362		1744
1363	utf8::decode $login;	1745	utf8::decode $login;
1364	push @logins, $login;	1746	push @logins, $login;
1365	}	1747	}
1366		1748
1367	\@logins	1749	\@logins
1368	}	1750	}
1369		1751
1370	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1371		1755
1372	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1373	player. May block.	1757	player. May block.
1374		1758
1375	=cut	1759	=cut
…		…
1393	}	1777	}
1394		1778
1395	\@paths	1779	\@paths
1396	}	1780	}
1397		1781
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1783
1400	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1401		1785
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1449		1787
1450	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1451		1789
1452	=cut	1790	=cut
1453		1791
1454	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1456		1794
1457	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1796	}
1460		1797
1461	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1462		1799
1463	Sends an ext event to the client.	1800	Sends an ext event to the client.
1464		1801
1465	=cut	1802	=cut
1466		1803
1467	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1469		1806
1470	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1471	}	1808	}
1472		1809
1473	=head3 cf::region	1810	=head3 cf::region
1474		1811
1475	=over 4	1812	=over 4
…		…
1485	=cut	1822	=cut
1486		1823
1487	sub find_by_path($) {	1824	sub find_by_path($) {
1488	my ($path) = @_;	1825	my ($path) = @_;
1489		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1490	my ($match, $specificity);	1829	my ($match, $specificity);
1491		1830
1492	for my $region (list) {	1831	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1496	}	1835	}
1497	}	1836	}
1498		1837
…		…
1519	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1521		1860
1522	sub generate_random_map {	1861	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1524	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1525	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1533	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1534	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1535	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1536	(cf::region::find $rmp->{region}), $rmp->{custom}
1537	)
1538	}	1867	}
1539		1868
1540	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1541		1870
1542	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1547		1876
1548	sub register {	1877	sub register {
1549	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1550	my $pkg = caller;	1879	my $pkg = caller;
1551		1880
1552	no strict;
1553	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1554		1882
1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556	}	1884	}
1557		1885
1558	# also paths starting with '/'	1886	# also paths starting with '/'
1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1560		1888
1561	sub thawer_merge {	1889	sub thawer_merge {
1562	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1563		1891
1564	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1569	}	1897	}
1570		1898
1571	sub normalise {	1899	sub normalise {
1572	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1573		1901
1574	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1575		1903
1576	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1577		1905
1578	# map plan:	1906	# map plan:
1579	#	1907	#
…		…
1594	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1595	$path = "$base/$path";	1923	$path = "$base/$path";
1596	}	1924	}
1597		1925
1598	for ($path) {	1926	for ($path) {
1599	redo if s{//}{/};
1600	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1601	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1602	}	1929	}
1603		1930
1604	$path	1931	$path
…		…
1618	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1619	return $self;	1946	return $self;
1620	}	1947	}
1621	}	1948	}
1622		1949
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1624	()	1951	()
1625	}	1952	}
1626		1953
1627	sub init {	1954	sub init {
1628	my ($self) = @_;	1955	my ($self) = @_;
…		…
1650		1977
1651	# the temporary/swap location	1978	# the temporary/swap location
1652	sub save_path {	1979	sub save_path {
1653	my ($self) = @_;	1980	my ($self) = @_;
1654		1981
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1657	}	1984	}
1658		1985
1659	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1660	sub uniq_path {	1987	sub uniq_path {
1661	my ($self) = @_;	1988	my ($self) = @_;
1662		1989
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	1992	}
1675		1993
1676	sub decay_objects {	1994	sub decay_objects {
1677	my ($self) = @_;	1995	my ($self) = @_;
1678		1996
…		…
1691		2009
1692	sub load_header_from($) {	2010	sub load_header_from($) {
1693	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1694		2012
1695	utf8::encode $path;	2013	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1701		2022
1702	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1703		2024
1704	1	2025	1
1705	}	2026	}
…		…
1757		2078
1758	sub find;	2079	sub find;
1759	sub find {	2080	sub find {
1760	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1761		2082
		2083	cf::cede_to_tick;
		2084
1762	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1763		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2089
1766	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1769	or return;	2092	or return;
1770		2093
1771	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1772		2095
…		…
1774	or return;	2097	or return;
1775		2098
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1779	$map->reset;	2104	$map->reset;
1780	undef $guard;
1781	return find $path;	2105	return find $path;
1782	}	2106	}
1783		2107
1784	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1785	}	2109	}
1786	}	2110	}
1787		2111
1788	sub pre_load { }	2112	sub pre_load { }
1789	sub post_load { }	2113	#sub post_load { } # XS
1790		2114
1791	sub load {	2115	sub load {
1792	my ($self) = @_;	2116	my ($self) = @_;
1793		2117
1794	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1795		2119
1796	my $path = $self->{path};	2120	my $path = $self->{path};
1797		2121
1798	{	2122	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1800		2124
		2125	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2127
1803	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1804		2129
1805	$self->alloc;	2130	$self->alloc;
1806		2131
1807	$self->pre_load;	2132	$self->pre_load;
1808	Coro::cede;	2133	cf::cede_to_tick;
1809		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1811	or return;	2138	or return;
1812		2139
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1814	if delete $self->{load_original};	2141	if delete $self->{load_original};
1815		2142
1816	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2144	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2147	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1821	}	2151	}
1822	}	2152	}
1823		2153
1824	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1825	# now do the right thing for maps	2157	# now do the right thing for maps
1826	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2160	unless $self->difficulty;
1829	Coro::cede;	2161	cf::cede_to_tick;
1830		2162
1831	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2164	$self->decay_objects;
1833	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1834	$self->update_buttons;	2166	$self->update_buttons;
1835	Coro::cede;	2167	cf::cede_to_tick;
1836	$self->set_darkness_map;
1837	Coro::cede;
1838	$self->activate;	2168	$self->activate;
1839	}	2169	}
1840		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2175	}
1843		2176
1844	$self->post_load;	2177	$self->post_load;
1845	}
1846		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1847	sub customise_for {	2185	sub customise_for {
1848	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1849		2187
1850	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2189	if $self->per_player;
…		…
1855		2193
1856	$self	2194	$self
1857	}	2195	}
1858		2196
1859	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2198	sub load_neighbours {
1861	my ($map) = @_;	2199	my ($map) = @_;
1862		2200
1863	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1864		2202
1865	for (0 .. 3) {	2203	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1867	or next;	2205	or next;
1868	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1869	or next;	2207	or next;
1870	$neigh->load;	2208	$neigh->load;
1871		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2214	}
1875		2215
1876	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1878	or next;	2219	or next;
1879	$neigh->load;	2220	$neigh->load;
1880	}	2221	}
1881	}	2222	}
1882		2223
1883	sub find_sync {	2224	sub find_sync {
1884	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1885		2226
1886	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1887	}	2231	}
1888		2232
1889	sub do_load_sync {	2233	sub do_load_sync {
1890	my ($map) = @_;	2234	my ($map) = @_;
1891		2235
1892	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1893	}	2240	}
1894		2241
1895	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1897		2244
1898	sub find_async {	2245	sub find_async {
1899	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1900		2247
1901	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1902		2249
1903	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2252	}
1906		2253
1907	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1908	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1909	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2261	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2262	$map->load if $v;
		2263	}
1914		2264
1915	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1916	}	2266	}
1917	}	2267	}
1918	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1919	};	2269	};
1920	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1921		2271
1922	()	2272	()
1923	}	2273	}
1924		2274
		2275	# common code, used by both ->save and ->swapout
1925	sub save {	2276	sub _save {
1926	my ($self) = @_;	2277	my ($self) = @_;
1927
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1929		2278
1930	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1931		2280
1932	return unless $self->dirty;	2281	return unless $self->dirty;
1933		2282
…		…
1939	return if $self->{deny_save};	2288	return if $self->{deny_save};
1940		2289
1941	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1942		2291
1943	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1945	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1946		2298
1947	if ($uniq) {	2299	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2302	} else {
1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1952	}	2304	}
1953	}	2305	}
1954		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1955	sub swap_out {	2315	sub swap_out {
1956	my ($self) = @_;	2316	my ($self) = @_;
1957		2317
1958	# save first because save cedes
1959	$self->save;
1960
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1963	return if $self->players;	2322	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};
1966		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1967	$self->clear;	2333	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2334	}
1970		2335
1971	sub reset_at {	2336	sub reset_at {
1972	my ($self) = @_;	2337	my ($self) = @_;
1973		2338
…		…
1991		2356
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2358
1994	return if $self->players;	2359	return if $self->players;
1995		2360
1996	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
1997		2362
1998	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1999		2364
2000	# need to save uniques path	2365	# need to save uniques path
2001	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
2005	if $uniq;	2370	if $uniq;
2006	}	2371	}
2007		2372
2008	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
2009		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2377	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2378
2014	$self->unlink_save;	2379	$self->unlink_save;
2015	$self->destroy;	2380	$self->destroy;
2016	}	2381	}
2017		2382
2018	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
2019		2384
2020	sub nuke {	2385	sub nuke {
2021	my ($self) = @_;	2386	my ($self) = @_;
2022		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2023	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2024		2392
2025	$self->unlink_save;	2393	$self->unlink_save;
2026		2394
2027	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2028	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2400
2033	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2034		2403
2035	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2036	}	2405	}
2037		2406
2038	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2080		2449
2081	sub unique_maps() {	2450	sub unique_maps() {
2082	[	2451	[
2083	map {	2452	map {
2084	utf8::decode $_;	2453	utf8::decode $_;
2085	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2086	? normalise $_	2457	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2459	]
2090	}	2460	}
2091		2461
2092	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
2093		2493
2094	=back	2494	=back
2095		2495
2096	=head3 cf::object	2496	=head3 cf::object
2097		2497
…		…
2101		2501
2102	=over 4	2502	=over 4
2103		2503
2104	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2105		2505
2106	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2107		2508
2108	=cut	2509	=cut
2109		2510
2110	sub inv_recursive_;	2511	sub inv_recursive_;
2111	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2114		2515
2115	sub inv_recursive {	2516	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2117	}	2518	}
2118		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2119	package cf;	2548	package cf;
2120		2549
2121	=back	2550	=back
2122		2551
2123	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2132		2561
2133	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2134		2577
2135	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2579	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2145		2588
2146	} else {	2589	} else {
2147	my $pl = $self->contr;	2590	my $pl = $self->contr;
2148		2591
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2595
2158	} else {	2596	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2599	}
2162	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
2163	}	2611	}
2164		2612
2165	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
2166		2614
2167	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
2180		2628
2181	=item $player_object->enter_link	2629	=item $player_object->enter_link
2182		2630
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2632
2185	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2187		2637
2188	Will never block.	2638	Will never block.
2189		2639
2190	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2191		2641
…		…
2211	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2212	my ($self) = @_;	2662	my ($self) = @_;
2213		2663
2214	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2215		2665
		2666	++$self->{_link_recursion};
		2667
2216	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2217		2669
2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2219	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2220		2672
2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2222	}	2674	}
2223		2675
2224	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2225	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2226		2678
…		…
2243	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2245		2697
2246	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2249		2701
2250	$map->load;	2702	$map->load;
2251	$map->load_diag;	2703	$map->load_neighbours;
2252		2704
2253	return unless $self->contr->active;	2705	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2706
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2258	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2259		2714
		2715	}
		2716
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2261		2718
2262	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
2266		2727
2267	=cut	2728	=cut
2268		2729
2269	our $GOTOGEN;	2730	our $GOTOGEN;
2270		2731
2271	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
2273		2740
2274	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2743
2277	$self->enter_link;	2744	$self->enter_link;
2278		2745
2279	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2280	my $map = eval {	2768	my $map = eval {
2281	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2282		2770
2283	if ($map) {	2771	if ($map) {
2284	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2286	} else {	2774	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2776	}
2289		2777
2290	$map	2778	$map
2291	};	2779	};
2292		2780
…		…
2297		2785
2298	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2301	}	2789	}
		2790
		2791	$done->($self) if $done;
2302	})->prio (1);	2792	})->prio (1);
2303	}	2793	}
2304		2794
2305	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2306		2796
…		…
2326	}	2816	}
2327		2817
2328	sub prepare_random_map {	2818	sub prepare_random_map {
2329	my ($exit) = @_;	2819	my ($exit) = @_;
2330		2820
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2823	# that depends on the exit object
2336		2824
2337	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2827	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2344	}	2834	}
2345		2835
2346	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2347		2837
2348	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2351		2841
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2844	undef $fh;
2355	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2356		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2359	}	2853	}
2360	}	2854	}
2361		2855
2362	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2364		2858
2365	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2366		2860
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2861	$self->enter_link;
2379		2862
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2863	(async {
2385	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2386	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2387	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2388		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2389	1;	2887	1
2390	}) {	2888	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2893
2396	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2397	$self->leave_link;	2895	$self->leave_link;
2398	}	2896	}
2399	})->prio (1);	2897	})->prio (1);
2400	}	2898	}
2401		2899
…		…
2415		2913
2416	utf8::encode $text;	2914	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2916	}
2419		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2944
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2946	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2426		2949
2427	=cut	2950	=cut
2428		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
2429	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2431		3068
2432	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
2433		3090
2434	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2435		3092
2436	if ($self->can_msg) {	3093	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	3095	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		3096
2449	if ($color >= 0) {	3097	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	3098	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	3100	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2460	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2461		3106
2462	Sends an ext event to the client.	3107	Sends an ext event to the client.
2463		3108
2464	=cut	3109	=cut
2465		3110
2466	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2468		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2471	}	3138	}
2472		3139
2473	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2474		3141
2475	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	3197	my ($ns, $buf) = @_;
2531		3198
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3200
2534	if (ref $msg) {	3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3209	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3210	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
2541	} else {	3216	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3218	}
2544		3219
2545	cf::override;	3220	cf::override;
2546	},	3221	},
2547	);	3222	);
…		…
2567		3242
2568	$coro	3243	$coro
2569	}	3244	}
2570		3245
2571	cf::client->attach (	3246	cf::client->attach (
2572	on_destroy => sub {	3247	on_client_destroy => sub {
2573	my ($ns) = @_;	3248	my ($ns) = @_;
2574		3249
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3251	},
2577	);	3252	);
…		…
2592	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2594		3269
2595	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2596		3271
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2598		3277
2599	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2600		3279
2601	=pod	3280	=pod
2602		3281
2603	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2604		3283
2605	cf::object	3284	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3285	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3286	insert remove name archname title slaying race decrease split
		3287	value
2608		3288
2609	cf::object::player	3289	cf::object::player
2610	player	3290	player
2611		3291
2612	cf::player	3292	cf::player
…		…
2617		3297
2618	=cut	3298	=cut
2619		3299
2620	for (	3300	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2626	) {	3307	) {
2627	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2630	for @funs;	3310	for @funs;
2631	}	3311	}
2632		3312
…		…
2647		3327
2648	my $qcode = $code;	3328	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2651		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2652	local $_;	3335	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3336
2655	my $eval =	3337	my $eval =
2656	"do {\n"	3338	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3341	. $code
2660	. "\n}"	3342	. "\n}"
2661	;	3343	;
2662		3344
		3345	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2666		3354
2667	if ($@) {	3355	if ($@) {
2668	warn "$@";	3356	warn "$@",
2669	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2670	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2671	}	3359	}
2672		3360
2673	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2674	}	3362	}
2675		3363
…		…
2689	=cut	3377	=cut
2690		3378
2691	sub register_script_function {	3379	sub register_script_function {
2692	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2693		3381
2694	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2696	}	3384	}
2697		3385
2698	=back	3386	=back
2699		3387
2700	=cut	3388	=cut
…		…
2703	# the server's init and main functions	3391	# the server's init and main functions
2704		3392
2705	sub load_facedata($) {	3393	sub load_facedata($) {
2706	my ($path) = @_;	3394	my ($path) = @_;
2707		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2708	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2709		3403
2710	my $facedata;
2711	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2712	or die "$path: $!";	3405	or die "$path: $!";
2713		3406
2714	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2715		3408
2716	$facedata->{version} == 2	3409	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2719	{	3421	{
2720	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2721		3423
2722	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2727	Coro::cede;	3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3432
		3433	cf::cede_to_tick;
2728	}	3434	}
2729		3435
2730	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2732	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2733	or next;	3440	or next;
		3441
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3445	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3447	}
2739	Coro::cede;	3448
		3449	cf::cede_to_tick;
2740	}	3450	}
2741	}	3451	}
2742		3452
2743	{	3453	{
2744	my $anims = $facedata->{animinfo};	3454	my $anims = $facedata->{animinfo};
2745		3455
2746	while (my ($anim, $info) = each %$anims) {	3456	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3458	cf::cede_to_tick;
2749	}	3459	}
2750		3460
2751	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2752	}	3462	}
2753		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2754	1	3483	1
2755	}	3484	}
2756		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2757	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2758	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
2760	}	3516	}
2761		3517
2762	sub reload_facedata {	3518	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3519	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3520	or die "unable to load facedata\n";
2765	}	3521	}
2766		3522
2767	sub reload_archetypes {	3523	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3524	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3525	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3526	}
2776		3527
2777	sub reload_treasures {	3528	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2780	}	3531	}
2781		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2782	sub reload_resources {	3556	sub reload_resources {
2783	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2784		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2785	reload_regions;	3564	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3565	reload_treasures;
2790		3566
2791	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2792	}	3568	}
2793		3569
2794	sub init {	3570	sub reload_config {
2795	reload_resources;	3571	trace "reloading config file...\n";
2796	}
2797		3572
2798	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2800	or return;
2801		3575
2802	local $/;	3576	utf8::decode $config;
2803	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2804		3578
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2806		3580
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2809		3583
2810	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2814	};	3588	};
2815	warn $@ if $@;	3589	warn $@ if $@;
2816	}	3590	}
2817	}	3591	}
2818		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2819	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2820	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3634	(async {
2824	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2826	};	3638	};
2827		3639
2828	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2829	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2830	load_extensions;	3663	load_extensions;
2831		3664
2832	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2834	}	3683	}
2835		3684
2836	#############################################################################	3685	#############################################################################
2837	# initialisation and cleanup	3686	# initialisation and cleanup
2838		3687
2839	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2840	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2849	},
2850	);	3694	};
2851	}	3695	}
2852	}	3696	}
2853		3697
2854	sub write_runtime {	3698	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
2856		3700
2857	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
2859		3703
2860	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3705
2862	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
2863		3707
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3709	or return;
2866		3710
2867	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
2880		3724
2881	close $fh	3725	close $fh
2882	or return;	3726	or return;
2883		3727
2884	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3729	and return;
2886		3730
2887	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2888		3732
2889	1	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2890	}	3784	}
2891		3785
2892	sub emergency_save() {	3786	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2894		3788
2895	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2896		3795
2897	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2898	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3807	$pl->save;
2906	}	3808	}
2907	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2908		3810
2909	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	3816	$map->valid or next;
2913	$map->save;	3817	$map->save;
2914	}	3818	}
2915	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2916		3820
2917	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2920	};	3849	};
2921		3850
2922	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2923	}	3852	}
2924		3853
2925	sub post_cleanup {	3854	sub post_cleanup {
2926	my ($make_core) = @_;	3855	my ($make_core) = @_;
2927		3856
		3857	IO::AIO::flush;
		3858
2928	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
2930	}	3889	}
2931		3890
2932	sub do_reload_perl() {	3891	sub do_reload_perl() {
2933	# can/must only be called in main	3892	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2935	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2936	return;	3895	return;
2937	}	3896	}
2938		3897
2939	warn "reloading...";	3898	return if $RELOAD++;
2940		3899
2941	warn "entering sync_job";	3900	my $t1 = AE::time;
2942		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2943	cf::sync_job {	3908	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark
2945	cf::emergency_save;	3909	#cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark
2947		3910
2948	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;
2950
2951	# if anything goes wrong in here, we should simply crash as we already saved
2952
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();	3913	%EXT_CORO = ();
2972		3914
2973	warn "removing commands";	3915	trace "perl_reload: removing commands";
2974	%COMMAND = ();	3916	%COMMAND = ();
2975		3917
2976	warn "removing ext/exti commands";	3918	trace "perl_reload: removing ext/exti commands";
2977	%EXTCMD = ();	3919	%EXTCMD = ();
2978	%EXTICMD = ();	3920	%EXTICMD = ();
2979		3921
2980	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2983		3925
2984	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2985	eval {	3927	eval {
2986	$cb->($pkg);	3928	$cb->($pkg);
2987	1	3929	1
2988	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2989	}	3935	}
2990		3936
2991	warn "... nuking $pkg";
2992	Symbol::delete_package $pkg;
2993	}
2994
2995	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2996	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3940
2999	warn "... unloading $k";	3941	trace "... unloading $k";
3000	delete $INC{$k};	3942	delete $INC{$k};
3001		3943
3002	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
3004		3946
3005	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
3006	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
3007	}	3952	}
3008		3953
3009	Symbol::delete_package $k;
3010	}
3011
3012	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3957
3016	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		3961
3020	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3963	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
3023		3965
3024	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
3025		3967
3026	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
3027	require cf;	3969	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
3029		3971
3030	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
3031	cf::cfg_load;	3973	cf::reload_config;
3032		3974
3033	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
3034	cf::load_extensions;	3976	cf::load_extensions;
3035		3977
		3978	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
3042		3986
3043	warn "leaving sync_job";	3987	cf::_post_init 1;
3044		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
3045	1	3991	1
3046	} or do {	3992	} or do {
3047	warn $@;	3993	error $@;
3048	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
3049	exit 1;	3995	};
		3996
		3997	--$RELOAD;
3050	};	3998	}
3051		3999
3052	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
3053	};	4002	};
3054		4003
3055	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
3056		4005
3057	sub reload_perl() {	4006	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
3060		4009
3061	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	4012
3064	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	4014	do_reload_perl;
3067	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
3068	},	4016	};
3069	);	4017	};
3070	}	4018	}
3071		4019
3072	register_command "reload" => sub {	4020	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
3074		4022
3075	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	4027	reload_perl;
		4028	};
3078	}	4029	}
3079	};	4030	};
3080		4031
3081	unshift @INC, $LIBDIR;	4032	#############################################################################
3082		4033
3083	my $bug_warning = 0;	4034	my $bug_warning = 0;
3084		4035
3085	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
3087		4038
3088	sub wait_for_tick {	4039	sub wait_for_tick() {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3091		4041
3092	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	4044	$signal->wait;
3095	}	4045	}
3096		4046
3097	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3100		4049
3101	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	4052	$signal->wait;
3104	}	4053	}
3105		4054
3106	my $min = 1e6;#d#	4055	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
3118	return;	4059	return;
3119	}	4060	}
3120		4061
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
3124		4063
3125	0 && sync_job {#d#	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3126	for(1..10) {
3127	my $t = Event::time;
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3129	or die;
3130		4065
3131	$map->width (50);	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3132	$map->height (50);	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3133	$map->alloc;	4068	Coro::async_pool {
3134	$map->_load_objects ("/tmp/x.map", 1);	4069	$Coro::current->{desc} = "runtime saver";
3135	my $t = Event::time - $t;	4070	write_runtime_sync
3136		4071	or error "ERROR: unable to write runtime file: $!";
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	4072	};
		4073	}
3147		4074
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	4076	$sig->send;
3164	}	4077	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	4079	$sig->send;
3167	}	4080	}
3168		4081
3169	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		4084
3180	_post_tick;	4085	if (0) {
3181		4086	if ($NEXT_TICK) {
3182		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
3183	},	4091	}
3184	);	4092	}
3185		4093
3186	{	4094	{
3187	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	4096
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3197		4098	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		4100
3213	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		4108
3216	cf::sync_job {	4109	cf::sync_job {
3217	eval {	4110	eval {
3218	BDB::db_env_open	4111	BDB::db_env_open
3219	$DB_ENV,	4112	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	4116	0666;
3224		4117
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	4119	};
3230		4120
3231	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	4122	};
3233	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
3234	}	4134	}
3235		4135
3236	{	4136	{
		4137	# configure IO::AIO
		4138
3237	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4142	}
3250		4143
3251	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3252		4146
3253	sub _log_backtrace {	4147	sub _log_backtrace {
3254	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3255		4149
3256	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3257		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3258	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3260	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3261	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
3262	my @bt = fork_call {	4163	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
3274	}	4175	}
3275		4176
3276	@funcs	4177	@funcs
3277	};	4178	};
3278		4179
3279	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4183	--$_log_backtrace;
3282	};	4184	};
3283	} else {	4185	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3286	}	4188	}
3287	}	4189	}
3288		4190
3289	# load additional modules	4191	# load additional modules
3290	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3291		4194
3292	END { cf::emergency_save }	4195	END { cf::emergency_save }
3293		4196
3294	1	4197	1
3295		4198

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