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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.284 by root, Sun Jun 24 04:15:42 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 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
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	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;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	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 $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	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::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	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
166	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
167	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.
168		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
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$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;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	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	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
211		317
212	#############################################################################	318	#############################################################################
213		319
214	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
236	$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;
237	$d	343	$d
238	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
239	}	345	}
240		346
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
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
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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
251	=item cf::lock_wait $string	388	=item cf::lock_wait $string
252		389
253	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
254		391
255	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
256		393
257	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
260	returned.	397	returned.
261		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
262	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
264		404
265	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
266		406
267	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
268		408
269	=cut	409	=cut
270		410
271	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
272		412
273	sub lock_wait($) {	413	sub lock_wait($) {
274	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	415	}
282		416
283	sub lock_acquire($) {	417	sub lock_acquire($) {
284	my ($key) = @_;	418	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	419	}
296		420
297	sub lock_active($) {	421	sub lock_active($) {
298	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	423	}
302		424
303	sub freeze_mainloop {	425	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
305		427
306	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
308	};	495	}
309	$TICK_WATCHER->stop;	496	};
310	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
311	}	511	}
312		512
313	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
314		514
315	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		520
321	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
322		522
323	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
324		524
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	525	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	526	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	528	acceptable.
329		529
330	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	535	=cut
336		536
337	sub sync_job(&) {	537	sub sync_job(&) {
338	my ($job) = @_;	538	my ($job) = @_;
339		539
340	if ($Coro::current == $Coro::main) {	540	if (in_main) {
341	my $time = Event::time;	541	my $time = AE::time;
342		542
343	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
345		545
346	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	547
348	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
349		549
350	my $busy = 1;	550	my $busy = 1;
351	my @res;	551	my @res;
352		552
353	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	555	@res = eval { $job->() };
355	warn $@ if $@;	556	error $@ if $@;
356	undef $busy;	557	undef $busy;
357	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
358		559
359	while ($busy) {	560	while ($busy) {
360	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
361	}	565	}
		566	}
362		567
363	$time = Event::time - $time;	568	my $time = AE::time - $time;
364		569
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	570	$TICK_START += $time; # do not account sync jobs to server load
369		571
370	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
371	} else {	573	} else {
372	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
373		575
…		…
393	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
394		596
395	$coro	597	$coro
396	}	598	}
397		599
398	=item fork_call { }, $args	600	=item fork_call { }, @args
399		601
400	Executes the given code block with the given arguments in a seperate	602	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	603	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	604	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	605	never block itself or use any form of event handling.
404		606
405	=cut	607	=cut
		608
		609	sub post_fork {
		610	reset_signals;
		611	}
406		612
407	sub fork_call(&@) {	613	sub fork_call(&@) {
408	my ($cb, @args) = @_;	614	my ($cb, @args) = @_;
409		615
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	616	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	617	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	618	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		619
415	if (my $pid = fork) {	620	my @res = Coro::Util::fork_eval {
416	close $fh2;	621	cf::post_fork;
		622	&$cb
		623	} @args;
417		624
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	625	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	626	}
420		627
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	628	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
440	}	664	}
441		665
442	=item $value = cf::db_get $family => $key	666	=item $value = cf::db_get $family => $key
443		667
444	Returns a single value from the environment database.	668	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	670	=item cf::db_put $family => $key => $value
447		671
448	Stores the given C<$value> in the family. It can currently store binary	672	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
451	=cut	680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
452		701
453	our $DB;	702	our $DB;
454		703
455	sub db_init {	704	sub db_init {
456	unless ($DB) {	705	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	706	}
471		707
472	sub db_get($$) {	708	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	709	my $key = "$_[0]/$_[1]";
474		710
475	cf::sync_job {	711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
476	BDB::db_get $DB, undef, $key, my $data;	714	BDB::db_get $DB, undef, $key, my $data;
477		715
478	$! ? ()	716	$! ? ()
479	: $data	717	: $data
480	}
481	}	718	}
482		719
483	sub db_put($$$) {	720	sub db_put($$$) {
484	BDB::dbreq_pri 4;	721	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	761	if (1) {
525	$md5 =	762	$md5 =
526	join "\x00",	763	join "\x00",
527	$processversion,	764	$processversion,
528	map {	765	map {
529	Coro::cede;	766	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	767	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	768	} 0.. $#$src;
532		769
533		770
534	my $dbmd5 = db_get cache => "$id/md5";	771	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		778
542	my $t1 = Time::HiRes::time;	779	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	780	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	781	my $t2 = Time::HiRes::time;
545		782
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		784
548	db_put cache => "$id/data", $data;	785	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	786	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	787	db_put cache => "$id/meta", $meta;
551		788
…		…
561		798
562	=cut	799	=cut
563		800
564	sub datalog($@) {	801	sub datalog($@) {
565	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	804	}
568		805
569	=back	806	=back
570		807
571	=cut	808	=cut
572		809
573	#############################################################################	810	#############################################################################
574		811
575	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
576		813
577	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
580		817
581	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	820	Deliantra).
584		821
585	=over 4	822	=over 4
586		823
587	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
588		825
…		…
632	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
633		870
634	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
636		873
637	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
639		876
640	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
641		878
642	=over 4	879	=over 4
…		…
766		1003
767	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1006
770	} elsif (ref $type) {	1007	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
772		1009
773	} else {	1010	} else {
774	shift @arg;	1011	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
776	}	1013	}
777	}	1014	}
778	}	1015	}
779		1016
780	sub _object_attach {	1017	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
791	}	1028	}
792		1029
793	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
794	} else {	1031	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1033	}
797		1034
798	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
799	}	1036	}
800		1037
…		…
840	";	1077	";
841	die if $@;	1078	die if $@;
842	}	1079	}
843		1080
844	our $override;	1081	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1083
847	sub override {	1084	sub override {
848	$override = 1;	1085	$override = 1;
849	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
850	}	1087	}
851		1088
852	sub do_invoke {	1089	sub do_invoke {
853	my $event = shift;	1090	my $event = shift;
854	my $callbacks = shift;	1091	my $callbacks = shift;
855		1092
856	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
857		1094
858	local $override;	1095	local $override;
859		1096
860	for (@$callbacks) {	1097	for (@$callbacks) {
861	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
862		1099
863	if ($@) {	1100	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1102	override;
867	}	1103	}
868		1104
869	return 1 if $override;	1105	return 1 if $override;
870	}	1106	}
871		1107
872	0	1108	0
873	}	1109	}
874		1110
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1112
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1114
879	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
880		1116
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1120
885	=back	1121	=back
886		1122
887	=cut	1123	=cut
888		1124
889	#############################################################################	1125	#############################################################################
890	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
891		1169
892	sub reattach {	1170	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1172	my ($obj) = @_;
895		1173
		1174	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1176
898	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
899		1178
900	@$registry = ();	1179	@$registry = ();
901		1180
…		…
906	for (@$attach) {	1185	for (@$attach) {
907	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
909	}	1188	}
910	} else {	1189	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1191	}
913	}	1192	}
914	}	1193	}
915		1194
916	cf::attachable->attach (	1195	cf::attachable->attach (
917	prio => -1000000,	1196	prio => -1000000,
918	on_instantiate => sub {	1197	on_instantiate => sub {
919	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
920		1199
921	$data = from_json $data;	1200	$data = decode_json $data;
922		1201
923	for (@$data) {	1202	for (@$data) {
924	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
925		1204
926	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1221	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
944		1223
945	sync_job {	1224	sync_job {
946	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
949		1230
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
954	close $fh;	1238	aio_close $fh;
955		1239
956	if (@$objs) {	1240	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
962	close $fh;	1249	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
964	}	1251	}
965	} else {	1252	} else {
966	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
967	}	1254	}
968		1255
969	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1260	} else {
971	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
972	}	1262	}
973	} else {	1263	} else {
974	aio_unlink $filename;	1264	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
976	}	1266	}
977	}	1267	};
978	}	1268	}
979		1269
980	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
982		1272
…		…
994	or return;	1284	or return;
995		1285
996	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
998	or return;	1288	or return;
		1289
999	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
1000	}	1292	}
1001		1293
		1294	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
1004	return ($data, $av);	1299	($data, $av)
1005	}	1300	}
1006		1301
1007	=head2 COMMAND CALLBACKS	1302	=head2 COMMAND CALLBACKS
1008		1303
1009	=over 4	1304	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1325	}
1031		1326
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1328
1034	Register a callback fro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
1035		1334
1036	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
1037	called.	1336	called.
1038		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
1039	=cut	1349	=cut
1040		1350
1041	sub register_extcmd {	1351	sub register_extcmd {
1042	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
1043		1353
1044	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
1045	}	1355	}
1046		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
1047	cf::player->attach (	1365	cf::player->attach (
1048	on_command => sub {	1366	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
1050		1368
1051	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
1052	or return;	1370	or return;
1053		1371
…		…
1058	cf::override;	1376	cf::override;
1059	},	1377	},
1060	on_extcmd => sub {	1378	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
1062		1380
1063	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1382
1065	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
1071	} else {	1398	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1400	}
1074		1401
1075	cf::override;	1402	cf::override;
1076	},	1403	},
1077	);	1404	);
1078		1405
		1406	# "readahead" all extensions
		1407	sub cache_extensions {
		1408	my $grp = IO::AIO::aio_group;
		1409
		1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1411	for (grep /\.ext$/, @{$_[0]}) {
		1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1413	}
		1414	};
		1415
		1416	$grp
		1417	}
		1418
1079	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
1080	cf::sync_job {	1422	cf::sync_job {
1081	my %todo;	1423	my %todo;
1082		1424
1083	for my $path (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1426	next unless -r $path;
…		…
1102		1444
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1447
1106	$ext{source} =	1448	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1449	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1450	. "#line 1 \"$path\"\n{\n"
1109	. $source	1451	. $source
1110	. "\n};\n1";	1452	. "\n};\n1";
1111		1453
1112	$todo{$base} = \%ext;	1454	$todo{$base} = \%ext;
1113	}	1455	}
1114		1456
		1457	my $pass = 0;
1115	my %done;	1458	my %done;
1116	while (%todo) {	1459	while (%todo) {
1117	my $progress;	1460	my $progress;
1118		1461
		1462	++$pass;
		1463
		1464	ext:
1119	while (my ($k, $v) = each %todo) {	1465	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1466	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1467	next ext
1122	unless exists $done{$_};	1468	unless exists $done{$_};
1123	}	1469	}
1124		1470
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1472
1127	unless (eval $v->{source}) {	1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1476	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1479	if exists $v->{meta}{mandatory};
1132	warn $msg;	1480
1133	warn "mandatory extension failed to load, exiting.\n";	1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1482	delete $todo{$k};
1135	}	1483	} else {
1136		1484	$done{$k} = delete $todo{$k};
1137	warn $msg;	1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
1138	}	1490	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1491	}
1144		1492
1145	skip:	1493	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
1148	}	1501	}
1149	};	1502	};
1150	}	1503	}
1151		1504
1152	#############################################################################	1505	#############################################################################
1153		1506
1154	=back	1507	=back
1155		1508
1156	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1157		1510
1158	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1159		1512
1160	=cut	1513	=cut
1161		1514
1162	package cf::player;	1515	package cf::player;
1163		1516
1164	use Coro::AIO;	1517	use Coro::AIO;
1165		1518
1166	=head3 cf::player	1519	=head3 cf::player
1167		1520
1168	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
1169		1536
1170	=item cf::player::find $login	1537	=item cf::player::find $login
1171		1538
1172	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1173		1540
…		…
1192		1559
1193	sub exists($) {	1560	sub exists($) {
1194	my ($login) = @_;	1561	my ($login) = @_;
1195		1562
1196	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1198	}	1565	}
1199		1566
1200	sub find($) {	1567	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1569	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1580
1214	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1217	}	1590	}
1218	}	1591	}
1219	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1220		1606
1221	sub save($) {	1607	sub save($) {
1222	my ($pl) = @_;	1608	my ($pl) = @_;
1223		1609
1224	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1230		1616
1231	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1233		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1234	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1235	Coro::cede;	1626	cf::cede_to_tick;
1236	}	1627	}
1237		1628
1238	sub new($) {	1629	sub new($) {
1239	my ($login) = @_;	1630	my ($login) = @_;
1240		1631
…		…
1246	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1247		1638
1248	$self	1639	$self
1249	}	1640	}
1250		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1251	=item $pl->quit_character	1652	=item $pl->quit_character
1252		1653
1253	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1255		1656
…		…
1259	my ($pl) = @_;	1660	my ($pl) = @_;
1260		1661
1261	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1262		1663
1263	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1666
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1269	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1270		1675
1271	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
…		…
1308	or return [];	1713	or return [];
1309		1714
1310	my @logins;	1715	my @logins;
1311		1716
1312	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1316		1727
1317	utf8::decode $login;	1728	utf8::decode $login;
1318	push @logins, $login;	1729	push @logins, $login;
1319	}	1730	}
1320		1731
1321	\@logins	1732	\@logins
1322	}	1733	}
1323		1734
1324	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1325		1738
1326	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1327	player. May block.	1740	player. May block.
1328		1741
1329	=cut	1742	=cut
…		…
1347	}	1760	}
1348		1761
1349	\@paths	1762	\@paths
1350	}	1763	}
1351		1764
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1766
1354	Expand crossfire pod fragments into protocol xml.	1767	Expand deliantra pod fragments into protocol xml.
1355		1768
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1386		1770
1387	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1388		1772
1389	=cut	1773	=cut
1390		1774
1391	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1393		1777
1394	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1779	}
1398		1780
1399	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1400		1782
1401	Sends an ext event to the client.	1783	Sends an ext event to the client.
1402		1784
1403	=cut	1785	=cut
1404		1786
1405	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1407		1789
1408	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1409	}	1791	}
1410		1792
1411	=head3 cf::region	1793	=head3 cf::region
1412		1794
1413	=over 4	1795	=over 4
…		…
1423	=cut	1805	=cut
1424		1806
1425	sub find_by_path($) {	1807	sub find_by_path($) {
1426	my ($path) = @_;	1808	my ($path) = @_;
1427		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1428	my ($match, $specificity);	1812	my ($match, $specificity);
1429		1813
1430	for my $region (list) {	1814	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1434	}	1818	}
1435	}	1819	}
1436		1820
…		…
1457	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1459		1843
1460	sub generate_random_map {	1844	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1462	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1850	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1485		1872
1486	sub register {	1873	sub register {
1487	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1488	my $pkg = caller;	1875	my $pkg = caller;
1489		1876
1490	no strict;
1491	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1492		1878
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	1880	}
1495		1881
1496	# also paths starting with '/'	1882	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		1884
1499	sub thawer_merge {	1885	sub thawer_merge {
1500	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1501		1887
1502	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
…		…
1507	}	1893	}
1508		1894
1509	sub normalise {	1895	sub normalise {
1510	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1511		1897
1512	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1513		1899
1514	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1515		1901
1516	# map plan:	1902	# map plan:
1517	#	1903	#
…		…
1556	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1557	return $self;	1943	return $self;
1558	}	1944	}
1559	}	1945	}
1560		1946
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1562	()	1948	()
1563	}	1949	}
1564		1950
1565	sub init {	1951	sub init {
1566	my ($self) = @_;	1952	my ($self) = @_;
…		…
1588		1974
1589	# the temporary/swap location	1975	# the temporary/swap location
1590	sub save_path {	1976	sub save_path {
1591	my ($self) = @_;	1977	my ($self) = @_;
1592		1978
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1595	}	1981	}
1596		1982
1597	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1598	sub uniq_path {	1984	sub uniq_path {
1599	my ($self) = @_;	1985	my ($self) = @_;
1600		1986
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	1989	}
1613		1990
1614	sub decay_objects {	1991	sub decay_objects {
1615	my ($self) = @_;	1992	my ($self) = @_;
1616		1993
…		…
1629		2006
1630	sub load_header_from($) {	2007	sub load_header_from($) {
1631	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1632		2009
1633	utf8::encode $path;	2010	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1639		2019
1640	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1641		2021
1642	1	2022	1
1643	}	2023	}
…		…
1695		2075
1696	sub find;	2076	sub find;
1697	sub find {	2077	sub find {
1698	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1699		2079
		2080	cf::cede_to_tick;
		2081
1700	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1701		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2086
1704	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1707	or return;	2089	or return;
1708		2090
1709	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1710		2092
…		…
1712	or return;	2094	or return;
1713		2095
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1717	$map->reset;	2101	$map->reset;
1718	undef $guard;
1719	return find $path;	2102	return find $path;
1720	}	2103	}
1721		2104
1722	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1723	}	2106	}
1724	}	2107	}
1725		2108
1726	sub pre_load { }	2109	sub pre_load { }
1727	sub post_load { }	2110	#sub post_load { } # XS
1728		2111
1729	sub load {	2112	sub load {
1730	my ($self) = @_;	2113	my ($self) = @_;
1731		2114
1732	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1733		2116
1734	my $path = $self->{path};	2117	my $path = $self->{path};
1735		2118
1736	{	2119	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1738		2121
		2122	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2124
1741	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1742		2126
1743	$self->alloc;	2127	$self->alloc;
1744		2128
1745	$self->pre_load;	2129	$self->pre_load;
1746	Coro::cede;	2130	cf::cede_to_tick;
1747		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1749	or return;	2135	or return;
1750		2136
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1752	if delete $self->{load_original};	2138	if delete $self->{load_original};
1753		2139
1754	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2141	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2144	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1759	}	2148	}
1760	}	2149	}
1761		2150
1762	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1763	# now do the right thing for maps	2154	# now do the right thing for maps
1764	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2157	unless $self->difficulty;
1767	Coro::cede;	2158	cf::cede_to_tick;
1768		2159
1769	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2161	$self->decay_objects;
1771	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1772	$self->update_buttons;	2163	$self->update_buttons;
1773	Coro::cede;	2164	cf::cede_to_tick;
1774	$self->set_darkness_map;
1775	Coro::cede;
1776	$self->activate;	2165	$self->activate;
1777	}	2166	}
1778		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2172	}
1781		2173
1782	$self->post_load;	2174	$self->post_load;
1783	}	2175	}
1784		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2180	sub customise_for {
1786	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1787		2182
1788	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2184	if $self->per_player;
…		…
1793		2188
1794	$self	2189	$self
1795	}	2190	}
1796		2191
1797	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2193	sub load_neighbours {
1799	my ($map) = @_;	2194	my ($map) = @_;
1800		2195
1801	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1802		2197
1803	for (0 .. 3) {	2198	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1805	or next;	2200	or next;
1806	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1807	or next;	2202	or next;
1808	$neigh->load;	2203	$neigh->load;
1809		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2209	}
1813		2210
1814	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1816	or next;	2214	or next;
1817	$neigh->load;	2215	$neigh->load;
1818	}	2216	}
1819	}	2217	}
1820		2218
1821	sub find_sync {	2219	sub find_sync {
1822	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1823		2221
1824	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1825	}	2226	}
1826		2227
1827	sub do_load_sync {	2228	sub do_load_sync {
1828	my ($map) = @_;	2229	my ($map) = @_;
1829		2230
1830	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1831	}	2235	}
1832		2236
1833	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1835		2239
1836	sub find_async {	2240	sub find_async {
1837	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1838		2242
1839	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1840		2244
1841	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2247	}
1844		2248
1845	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1846	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1847	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2256	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2257	$map->load if $v;
		2258	}
1852		2259
1853	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1854	}	2261	}
1855	}	2262	}
1856	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1857	};	2264	};
1858	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1859		2266
1860	()	2267	()
1861	}	2268	}
1862		2269
		2270	# common code, used by both ->save and ->swapout
1863	sub save {	2271	sub _save {
1864	my ($self) = @_;	2272	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2273
1868	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1869		2275
1870	return unless $self->dirty;	2276	return unless $self->dirty;
1871		2277
…		…
1877	return if $self->{deny_save};	2283	return if $self->{deny_save};
1878		2284
1879	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1880		2286
1881	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1883	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1884		2293
1885	if ($uniq) {	2294	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2297	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2299	}
1891	}	2300	}
1892		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1893	sub swap_out {	2310	sub swap_out {
1894	my ($self) = @_;	2311	my ($self) = @_;
1895		2312
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1901	return if $self->players;	2317	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1905	$self->clear;	2328	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2329	}
1908		2330
1909	sub reset_at {	2331	sub reset_at {
1910	my ($self) = @_;	2332	my ($self) = @_;
1911		2333
…		…
1929		2351
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2353
1932	return if $self->players;	2354	return if $self->players;
1933		2355
1934	warn "resetting map ", $self->path;	2356	cf::trace "resetting map ", $self->path, "\n";
1935		2357
1936	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1937		2359
1938	# need to save uniques path	2360	# need to save uniques path
1939	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1943	if $uniq;	2365	if $uniq;
1944	}	2366	}
1945		2367
1946	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1947		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2372	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2373
1952	$self->unlink_save;	2374	$self->unlink_save;
1953	$self->destroy;	2375	$self->destroy;
1954	}	2376	}
1955		2377
1956	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1957		2379
1958	sub nuke {	2380	sub nuke {
1959	my ($self) = @_;	2381	my ($self) = @_;
1960		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1961	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1962		2387
1963	$self->unlink_save;	2388	$self->unlink_save;
1964		2389
1965	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2395
1971	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1972		2398
1973	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
1974	}	2400	}
1975		2401
1976	=item $maps = cf::map::tmp_maps	2402	=item $maps = cf::map::tmp_maps
…		…
2018		2444
2019	sub unique_maps() {	2445	sub unique_maps() {
2020	[	2446	[
2021	map {	2447	map {
2022	utf8::decode $_;	2448	utf8::decode $_;
2023	/\.map$/	2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
2024	? normalise $_	2452	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2453	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2454	]
2028	}	2455	}
2029		2456
2030	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
2031		2488
2032	=back	2489	=back
2033		2490
2034	=head3 cf::object	2491	=head3 cf::object
2035		2492
…		…
2039		2496
2040	=over 4	2497	=over 4
2041		2498
2042	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
2043		2500
2044	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
2045		2503
2046	=cut	2504	=cut
2047		2505
2048	sub inv_recursive_;	2506	sub inv_recursive_;
2049	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
2052		2510
2053	sub inv_recursive {	2511	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
2055	}	2513	}
2056		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
2057	package cf;	2543	package cf;
2058		2544
2059	=back	2545	=back
2060		2546
2061	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
2070		2556
2071	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
2072		2572
2073	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2574	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
2083		2583
2084	} else {	2584	} else {
2085	my $pl = $self->contr;	2585	my $pl = $self->contr;
2086		2586
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2588	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2590
2096	} else {	2591	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2594	}
2100	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
2101	}	2606	}
2102		2607
2103	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
2104		2609
2105	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
2118		2623
2119	=item $player_object->enter_link	2624	=item $player_object->enter_link
2120		2625
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2627
2123	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
2125		2632
2126	Will never block.	2633	Will never block.
2127		2634
2128	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
2129		2636
…		…
2149	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2657	my ($self) = @_;
2151		2658
2152	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
2153		2660
		2661	++$self->{_link_recursion};
		2662
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2664
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
2158		2667
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2669	}
2161		2670
2162	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
2164		2673
…		…
2181	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
2183		2692
2184	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
2187		2696
2188	$map->load;	2697	$map->load;
2189	$map->load_diag;	2698	$map->load_neighbours;
2190		2699
2191	return unless $self->contr->active;	2700	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2701
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
2196	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
2197		2709
		2710	}
		2711
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2713
2200	Moves the player to the given map-path and coordinates by first freezing	2714	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2716	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
2204		2722
2205	=cut	2723	=cut
2206		2724
2207	our $GOTOGEN;	2725	our $GOTOGEN;
2208		2726
2209	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
2211		2735
2212	# do generation counting so two concurrent goto's will be executed in-order	2736	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2738
2215	$self->enter_link;	2739	$self->enter_link;
2216		2740
2217	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
2218	my $map = eval {	2763	my $map = eval {
2219	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
2220		2765
2221	if ($map) {	2766	if ($map) {
2222	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2769	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2771	}
2227		2772
2228	$map	2773	$map
2229	};	2774	};
2230		2775
…		…
2235		2780
2236	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
2239	}	2784	}
		2785
		2786	$done->($self) if $done;
2240	})->prio (1);	2787	})->prio (1);
2241	}	2788	}
2242		2789
2243	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2244		2791
…		…
2264	}	2811	}
2265		2812
2266	sub prepare_random_map {	2813	sub prepare_random_map {
2267	my ($exit) = @_;	2814	my ($exit) = @_;
2268		2815
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2818	# that depends on the exit object
2274		2819
2275	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2822	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2282	}	2829	}
2283		2830
2284	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2285		2832
2286	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2289		2836
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2839	undef $fh;
2293	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2294		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2297	}	2848	}
2298	}	2849	}
2299		2850
2300	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2302		2853
2303	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2304		2855
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2856	$self->enter_link;
2317		2857
2318	(async {	2858	(async {
2319	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2320	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2321	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2322		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2323	1;	2882	1
2324	}) {	2883	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2888
2330	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	2890	$self->leave_link;
2332	}	2891	}
2333	})->prio (1);	2892	})->prio (1);
2334	}	2893	}
2335		2894
…		…
2349		2908
2350	utf8::encode $text;	2909	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2911	}
2353		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2939
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2940	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2941	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2942	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2943	the message unless the client supports the msg packet.
2360		2944
2361	=cut	2945	=cut
2362		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
2363	sub cf::client::send_msg {	3061	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3062	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3063
2366	$msg = $self->pl->expand_cfpod ($msg);	3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
2367		3066
2368	if ($self->can_msg) {	3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
2379	}
2380		3068
2381	if ($color >= 0) {	3069	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3070	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3071	$channel = $CHANNEL{$channel};
2384	} else {	3072
2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3073	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
2387	}	3081	}
2388	}
2389	}
2390	}
2391		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2392	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2393		3101
2394	Sends an exti event to the client.	3102	Sends an ext event to the client.
2395		3103
2396	=cut	3104	=cut
2397		3105
2398	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2400		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2402	$self->send_packet ("ext " . cf::to_json \%msg);	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2403	}	3133	}
2404		3134
2405	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2406		3136
2407	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3140
2411	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3142	become reliable at some point in the future.
2413		3143
2414	=cut	3144	=cut
2415		3145
2416	sub cf::client::query {	3146	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3155	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3157
2428	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2430	}	3162	}
2431		3163
2432	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2433	on_reply => sub {	3170	on_reply => sub {
2434	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2435		3172
2436	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2437	# get handled first	3174	# get handled first
…		…
2449	} else {	3186	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3188	}
2452	}	3189	}
2453	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2454	);	3217	);
2455		3218
2456	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2457		3220
2458	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3237
2475	$coro	3238	$coro
2476	}	3239	}
2477		3240
2478	cf::client->attach (	3241	cf::client->attach (
2479	on_destroy => sub {	3242	on_client_destroy => sub {
2480	my ($ns) = @_;	3243	my ($ns) = @_;
2481		3244
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3246	},
2484	);	3247	);
…		…
2499	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2501		3264
2502	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2503		3266
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2505		3272
2506	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2507		3274
2508	=pod	3275	=pod
2509		3276
2510	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2511		3278
2512	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2513	cf::object::player player	3284	cf::object::player
2514	cf::player peaceful	3285	player
2515	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2516		3292
2517	=cut	3293	=cut
2518		3294
2519	for (	3295	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2524	) {	3302	) {
2525	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2528	for @funs;	3305	for @funs;
2529	}	3306	}
2530		3307
…		…
2545		3322
2546	my $qcode = $code;	3323	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2549		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2550	local $_;	3330	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3331
2553	my $eval =	3332	my $eval =
2554	"do {\n"	3333	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3336	. $code
2558	. "\n}"	3337	. "\n}"
2559	;	3338	;
2560		3339
		3340	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2564		3349
2565	if ($@) {	3350	if ($@) {
2566	warn "$@";	3351	warn "$@",
2567	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2568	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2569	}	3354	}
2570		3355
2571	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2572	}	3357	}
2573		3358
…		…
2587	=cut	3372	=cut
2588		3373
2589	sub register_script_function {	3374	sub register_script_function {
2590	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2591		3376
2592	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2594	}	3379	}
2595		3380
2596	=back	3381	=back
2597		3382
2598	=cut	3383	=cut
…		…
2601	# the server's init and main functions	3386	# the server's init and main functions
2602		3387
2603	sub load_facedata($) {	3388	sub load_facedata($) {
2604	my ($path) = @_;	3389	my ($path) = @_;
2605		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2606	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2607		3398
2608	my $facedata;
2609	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2610	or die "$path: $!";	3400	or die "$path: $!";
2611		3401
2612	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2613		3403
2614	$facedata->{version} == 2	3404	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2617	{	3416	{
2618	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2619		3418
2620	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3426
		3427	cf::cede_to_tick;
2626	}	3428	}
2627		3429
2628	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2630	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2631	or next;	3434	or next;
		3435
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3439	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3441	}
2637	Coro::cede;	3442
		3443	cf::cede_to_tick;
2638	}	3444	}
2639	}	3445	}
2640		3446
2641	{	3447	{
2642	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2643		3449
2644	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3452	cf::cede_to_tick;
2647	}	3453	}
2648		3454
2649	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2650	}	3456	}
2651		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2652	1	3477	1
2653	}	3478	}
2654		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2655	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2656	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
2658	}	3510	}
2659		3511
2660	sub reload_facedata {	3512	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
…		…
2670	sub reload_treasures {	3522	sub reload_treasures {
2671	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2672	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2673	}	3525	}
2674		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2675	sub reload_resources {	3550	sub reload_resources {
2676	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2677		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2678	reload_regions;	3558	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3559	reload_treasures;
2683		3560
2684	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2685	}	3562	}
2686		3563
2687	sub init {	3564	sub reload_config {
2688	reload_resources;	3565	trace "reloading config file...\n";
2689	}
2690		3566
2691	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2693	or return;
2694		3569
2695	local $/;	3570	utf8::decode $config;
2696	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2697		3572
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3574
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3577
2703	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2707	};	3582	};
2708	warn $@ if $@;	3583	warn $@ if $@;
2709	}	3584	}
2710	}	3585	}
2711		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2712	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2713	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3628	(async {
2717	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2719	};	3632	};
2720		3633
2721	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2722	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2723	load_extensions;	3657	load_extensions;
2724		3658
2725	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2727	}	3677	}
2728		3678
2729	#############################################################################	3679	#############################################################################
2730	# initialisation and cleanup	3680	# initialisation and cleanup
2731		3681
2732	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2733	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2742	},
2743	);	3688	};
2744	}	3689	}
2745	}	3690	}
2746		3691
2747	sub write_runtime {	3692	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3693	my $t0 = AE::time;
2749		3694
2750	# first touch the runtime file to show we are still running:	3695	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3696	# the fsync below can take a very very long time.
2752		3697
2753	IO::AIO::aio_utime $runtime, undef, undef;	3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3699
2755	my $guard = cf::lock_acquire "write_runtime";	3700	my $guard = cf::lock_acquire "write_runtime";
2756		3701
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3703	or return;
2759		3704
2760	my $value = $cf::RUNTIME + 90 + 10;	3705	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3706	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3707	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3717	aio_utime $fh, undef, undef;
2773		3718
2774	close $fh	3719	close $fh
2775	or return;	3720	or return;
2776		3721
2777	aio_rename "$runtime~", $runtime	3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3723	and return;
2779		3724
2780	warn "runtime file written.\n";	3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3726
2782	1	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2783	}	3778	}
2784		3779
2785	sub emergency_save() {	3780	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2787		3782
2788	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2789		3789
2790	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2791	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3801	$pl->save;
2799	}	3802	}
2800	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2801		3804
2802	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	3810	$map->valid or next;
2806	$map->save;	3811	$map->save;
2807	}	3812	}
2808	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2809		3814
2810	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2813	};	3843	};
2814		3844
2815	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2816	}	3846	}
2817		3847
2818	sub post_cleanup {	3848	sub post_cleanup {
2819	my ($make_core) = @_;	3849	my ($make_core) = @_;
2820		3850
		3851	IO::AIO::flush;
		3852
2821	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2823	}	3883	}
2824		3884
2825	sub do_reload_perl() {	3885	sub do_reload_perl() {
2826	# can/must only be called in main	3886	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2828	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2829	return;	3889	return;
2830	}	3890	}
2831		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2832	warn "reloading...";	3898	info "reloading...";
2833		3899
2834	warn "entering sync_job";	3900	trace "entering sync_job";
2835		3901
2836	cf::sync_job {	3902	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark
2838	cf::emergency_save;	3903	#cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark
2840		3904
2841	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;
2843
2844	# if anything goes wrong in here, we should simply crash as we already saved
2845
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;
2857	warn "iterate...";
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();	3907	%EXT_CORO = ();
2865		3908
2866	warn "removing commands";	3909	trace "removing commands";
2867	%COMMAND = ();	3910	%COMMAND = ();
2868		3911
2869	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2870	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2871		3915
2872	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2875		3919
2876	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2877	eval {	3921	eval {
2878	$cb->($pkg);	3922	$cb->($pkg);
2879	1	3923	1
2880	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2881	}	3929	}
2882		3930
2883	warn "... nuking $pkg";
2884	Symbol::delete_package $pkg;
2885	}
2886
2887	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2888	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		3934
2891	warn "... unloading $k";	3935	trace "... unloading $k";
2892	delete $INC{$k};	3936	delete $INC{$k};
2893		3937
2894	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2896		3940
2897	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2898	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2899	}	3946	}
2900		3947
2901	Symbol::delete_package $k;
2902	}
2903
2904	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		3951
2908	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		3955
2912	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2913	# and global variables created in xs	3957	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2915		3959
2916	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2917		3961
2918	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2919	require cf;	3963	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2921		3965
2922	warn "loading config and database again";	3966	trace "loading config and database again";
2923	cf::cfg_load;	3967	cf::reload_config;
2924		3968
2925	warn "loading extensions";	3969	trace "loading extensions";
2926	cf::load_extensions;	3970	cf::load_extensions;
2927		3971
		3972	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2931	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2934		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2935	warn "leaving sync_job";	3984	trace "leaving sync_job";
2936		3985
2937	1	3986	1
2938	} or do {	3987	} or do {
2939	warn $@;	3988	error $@;
2940	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2941	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2942	};	3994	}
2943		3995
2944	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2945	};	3998	};
2946		3999
2947	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2948		4001
2949	sub reload_perl() {	4002	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
2952		4005
2953	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	4008
2956	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	4010	do_reload_perl;
2959	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
2960	},	4012	};
2961	);	4013	};
2962	}	4014	}
2963		4015
2964	register_command "reload" => sub {	4016	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2966		4018
2967	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	4023	reload_perl;
		4024	};
2970	}	4025	}
2971	};	4026	};
2972		4027
2973	unshift @INC, $LIBDIR;	4028	#############################################################################
2974		4029
2975	my $bug_warning = 0;	4030	my $bug_warning = 0;
2976		4031
2977	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
2979		4034
2980	sub wait_for_tick {	4035	sub wait_for_tick() {
2981	return unless $TICK_WATCHER->is_active;
2982	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2983		4037
2984	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
2985	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;	4040	$signal->wait;
2987	}	4041	}
2988		4042
2989	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
2990	return unless $TICK_WATCHER->is_active;
2991	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2992		4045
2993	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	4048	$signal->wait;
2996	}	4049	}
2997		4050
2998	my $min = 1e6;#d#	4051	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
3010	return;	4055	return;
3011	}	4056	}
3012		4057
3013	$NOW = $tick_start = Event::time;
3014
3015	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
3016		4059
3017	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3018	for(1..10) {
3019	my $t = Event::time;
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3021	or die;
3022		4061
3023	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3024	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3025	$map->alloc;	4064	Coro::async_pool {
3026	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
3027	my $t = Event::time - $t;	4066	write_runtime_sync
3028		4067	or error "ERROR: unable to write runtime file: $!";
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4068	};
		4069	}
3039		4070
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4072	$sig->send;
3056	}	4073	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
3058	$sig->send;	4075	$sig->send;
3059	}	4076	}
3060		4077
3061	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4080
3072	_post_tick;	4081	if (0) {
3073		4082	if ($NEXT_TICK) {
3074		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
3075	},	4087	}
3076	);	4088	}
3077		4089
3078	{	4090	{
3079	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4092
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
3089		4094	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4096
3105	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4104
3108	cf::sync_job {	4105	cf::sync_job {
3109	eval {	4106	eval {
3110	BDB::db_env_open	4107	BDB::db_env_open
3111	$DB_ENV,	4108	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4112	0666;
3116		4113
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	4115	};
3122		4116
3123	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	4118	};
3125	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
3126	}	4130	}
3127		4131
3128	{	4132	{
		4133	# configure IO::AIO
		4134
3129	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4138	}
3142		4139
3143	my $_log_backtrace;	4140	my $_log_backtrace;
3144		4141
3145	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
3148	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
3149		4146
3150	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
3152	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
3153	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
3154	my @bt = fork_call {	4154	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3166	}	4166	}
3167		4167
3168	@funcs	4168	@funcs
3169	};	4169	};
3170		4170
3171	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4174	--$_log_backtrace;
3174	};	4175	};
3175	} else {	4176	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3178	}	4179	}
3179	}	4180	}
3180		4181
3181	# load additional modules	4182	# load additional modules
3182	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3183		4185
3184	END { cf::emergency_save }	4186	END { cf::emergency_save }
3185		4187
3186	1	4188	1
3187		4189

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