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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 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
48		80
49	our %COMMAND = ();	81	our %COMMAND = ();
50	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
51		83
52	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
56		89
57	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	91	our @EVENT;
		92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
59		94
60	our $CONFDIR = confdir;	95	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	96	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	97	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	98	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	99	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	100	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	104	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
71		116
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	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	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	119	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
82		128
83	our %CFG;	129	our %CFG;
84		130
85	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
87		134
88	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
91		138
92	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		141
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
98		151
99	binmode STDOUT;	152	binmode STDOUT;
100	binmode STDERR;	153	binmode STDERR;
101		154
102	# read virtual server time, if available	155	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	157	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
107	}	160	}
		161
		162	eval "sub TICK() { $TICK } 1" or die;
108		163
109	mkdir $_	164	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		166
112	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
113		168
114	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		185
116	#############################################################################	186	#############################################################################
117		187
118	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
119		189
…		…
155		225
156	The raw value load value from the last tick.	226	The raw value load value from the last tick.
157		227
158	=item %cf::CFG	228	=item %cf::CFG
159		229
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	231	from wherever your confdir points to.
162		232
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		234
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	235	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	236	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
		250
169	=back	251	=back
170		252
171	=cut	253	=cut
172		254
173	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	262	my $msg = join "", @_;
176		263
177	$msg .= "\n"	264	$msg .= "\n"
178	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
179		266
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		268
182	utf8::encode $msg;
183	LOG llevError, $msg;	269	LOG llevWarn, $msg;
184	};	270	};
185	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
186		285
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	296	for my $pkg (qw(
198	cf::global cf::attachable	297	cf::global cf::attachable
199	cf::object cf::object::player	298	cf::object cf::object::player
200	cf::client cf::player	299	cf::client cf::player
201	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
202	cf::map cf::party cf::region	302	cf::party cf::region
203	)) {	303	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	305	}
207		306
208	$Event::DIED = sub {	307	$EV::DIED = sub {
209	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
210	};	309	};
		310
		311	#############################################################################
211		312
212	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
213		314
214	=over 4	315	=over 4
215		316
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	336	$d
236	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
237	}	338	}
238		339
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
242		341
243	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
244		343
245	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
246		345
247	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
248		347
		348	=cut
		349
		350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		351
		352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
		367	}
		368
249	=item cf::lock_wait $string	369	=item cf::lock_wait $string
250		370
251	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
252		372
253	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
254		374
255	Wait until the given lock is available and then acquires it and returns	375	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
258	returned.	378	returned.
259		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
260	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
262		385
263	=item $locked = cf::lock_active $string	386	=item $locked = cf::lock_active $string
264		387
265	Return true if the lock is currently active, i.e. somebody has locked it.	388	Return true if the lock is currently active, i.e. somebody has locked it.
266		389
267	=cut	390	=cut
268		391
269	our %LOCK;	392	our $LOCKS = new Coro::SemaphoreSet;
270		393
271	sub lock_wait($) {	394	sub lock_wait($) {
272	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	396	}
280		397
281	sub lock_acquire($) {	398	sub lock_acquire($) {
282	my ($key) = @_;	399	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	400	}
294		401
295	sub lock_active($) {	402	sub lock_active($) {
296	my ($key) = @_;	403	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	404	}
300		405
301	sub freeze_mainloop {	406	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
303		408
304	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	410	}
		411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
306	};	476	}
307	$TICK_WATCHER->stop;	477	};
308	$guard	478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
309	}	492	}
310		493
311	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
312		495
313	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		501
319	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
320		503
321	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
322		505
323	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
326		510
327	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
330	fast or be very important.	514	fast or be very important.
…		…
332	=cut	516	=cut
333		517
334	sub sync_job(&) {	518	sub sync_job(&) {
335	my ($job) = @_;	519	my ($job) = @_;
336		520
337	if ($Coro::current == $Coro::main) {	521	if (in_main) {
338	my $time = Event::time;	522	my $time = AE::time;
339		523
340	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
342		526
343	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	528
345	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
346		530
347	my $busy = 1;	531	my $busy = 1;
348	my @res;	532	my @res;
349		533
350	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	536	@res = eval { $job->() };
352	warn $@ if $@;	537	error $@ if $@;
353	undef $busy;	538	undef $busy;
354	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
355		540
356	while ($busy) {	541	while ($busy) {
357	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
358	}	546	}
		547	}
359		548
360	$time = Event::time - $time;	549	my $time = AE::time - $time;
361		550
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	551	$TICK_START += $time; # do not account sync jobs to server load
366		552
367	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
368	} else {	554	} else {
369	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
370		556
…		…
390	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
391		577
392	$coro	578	$coro
393	}	579	}
394		580
395	sub write_runtime {	581	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		582
398	# first touch the runtime file to show we are still running:	583	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
400		587
401	IO::AIO::aio_utime $runtime, undef, undef;	588	=cut
402		589
403	my $guard = cf::lock_acquire "write_runtime";	590	sub fork_call(&@) {
		591	my ($cb, @args) = @_;
404		592
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	593	# we seemingly have to make a local copy of the whole thing,
406	or return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
407		596
408	my $value = $cf::RUNTIME + 90 + 10;	597	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	598	reset_signals;
410	# 60 allows for the watchdog to kill the server.	599	&$cb
		600	}, @args;
411		601
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	602	wantarray ? @res : $res[-1]
413	and return;	603	}
414		604
415	# always fsync - this file is important	605	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
431	}	770	}
432		771
433	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
434		773
435	Log a datalog packet of the given type with the given key-value pairs.	774	Log a datalog packet of the given type with the given key-value pairs.
436		775
437	=cut	776	=cut
438		777
439	sub datalog($@) {	778	sub datalog($@) {
440	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	781	}
443		782
444	=back	783	=back
445		784
446	=cut	785	=cut
447		786
448	#############################################################################	787	#############################################################################
449		788
450	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
451		790
452	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
455		794
456	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	797	Deliantra).
459		798
460	=over 4	799	=over 4
461		800
462	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
463		802
…		…
507	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
508		847
509	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
511		850
512	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
514		853
515	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
516		855
517	=over 4	856	=over 4
…		…
641		980
642	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		983
645	} elsif (ref $type) {	984	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
647		986
648	} else {	987	} else {
649	shift @arg;	988	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
651	}	990	}
652	}	991	}
653	}	992	}
654		993
655	sub _object_attach {	994	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
666	}	1005	}
667		1006
668	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
669	} else {	1008	} else {
670	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1010	}
672		1011
673	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
674	}	1013	}
675		1014
…		…
715	";	1054	";
716	die if $@;	1055	die if $@;
717	}	1056	}
718		1057
719	our $override;	1058	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1060
722	sub override {	1061	sub override {
723	$override = 1;	1062	$override = 1;
724	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
725	}	1064	}
726		1065
727	sub do_invoke {	1066	sub do_invoke {
728	my $event = shift;	1067	my $event = shift;
729	my $callbacks = shift;	1068	my $callbacks = shift;
730		1069
731	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
732		1071
733	local $override;	1072	local $override;
734		1073
735	for (@$callbacks) {	1074	for (@$callbacks) {
736	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
737		1076
738	if ($@) {	1077	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1079	override;
742	}	1080	}
743		1081
744	return 1 if $override;	1082	return 1 if $override;
745	}	1083	}
746		1084
747	0	1085	0
748	}	1086	}
749		1087
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1089
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1091
754	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
755		1093
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1097
760	=back	1098	=back
761		1099
762	=cut	1100	=cut
763		1101
764	#############################################################################	1102	#############################################################################
765	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
766		1146
767	sub reattach {	1147	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1149	my ($obj) = @_;
770		1150
		1151	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1153
773	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
774		1155
775	@$registry = ();	1156	@$registry = ();
776		1157
…		…
781	for (@$attach) {	1162	for (@$attach) {
782	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
784	}	1165	}
785	} else {	1166	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1168	}
788	}	1169	}
789	}	1170	}
790		1171
791	cf::attachable->attach (	1172	cf::attachable->attach (
792	prio => -1000000,	1173	prio => -1000000,
793	on_instantiate => sub {	1174	on_instantiate => sub {
794	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
795		1176
796	$data = from_json $data;	1177	$data = decode_json $data;
797		1178
798	for (@$data) {	1179	for (@$data) {
799	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
800		1181
801	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1198	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
819		1200
820	sync_job {	1201	sync_job {
821	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
824		1207
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
829	close $fh;	1215	aio_close $fh;
830		1216
831	if (@$objs) {	1217	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
837	close $fh;	1226	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
839	}	1228	}
840	} else {	1229	} else {
841	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
842	}	1231	}
843		1232
844	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1237	} else {
846	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
847	}	1239	}
848	} else {	1240	} else {
849	aio_unlink $filename;	1241	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
851	}	1243	}
852	}	1244	};
853	}	1245	}
854		1246
855	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
857		1249
…		…
869	or return;	1261	or return;
870		1262
871	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
873	or return;	1265	or return;
		1266
874	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
875	}	1269	}
876		1270
		1271	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
879	return ($data, $av);	1276	($data, $av)
880	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
881		1284
882	#############################################################################	1285	#############################################################################
883	# command handling &c	1286	# command handling &c
884		1287
885	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1302	}
900		1303
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1305
903	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
904		1311
905	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
906	called.	1313	called.
907		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
908	=cut	1326	=cut
909		1327
910	sub register_extcmd {	1328	sub register_extcmd {
911	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
912		1330
913	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
914	}	1332	}
915		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
916	cf::player->attach (	1342	cf::player->attach (
917	on_command => sub {	1343	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
919		1345
920	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
921	or return;	1347	or return;
922		1348
…		…
927	cf::override;	1353	cf::override;
928	},	1354	},
929	on_extcmd => sub {	1355	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
931		1357
932	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1359
934	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
940	} else {	1375	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1377	}
943		1378
944	cf::override;	1379	cf::override;
945	},	1380	},
946	);	1381	);
947		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
948	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
949	cf::sync_job {	1399	cf::sync_job {
950	my %todo;	1400	my %todo;
951		1401
952	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1403	next unless -r $path;
…		…
971		1421
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1424
975	$ext{source} =	1425	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
978	. $source	1428	. $source
979	. "\n};\n1";	1429	. "\n};\n1";
980		1430
981	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
982	}	1432	}
983		1433
		1434	my $pass = 0;
984	my %done;	1435	my %done;
985	while (%todo) {	1436	while (%todo) {
986	my $progress;	1437	my $progress;
987		1438
		1439	++$pass;
		1440
		1441	ext:
988	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1444	next ext
991	unless exists $done{$_};	1445	unless exists $done{$_};
992	}	1446	}
993		1447
994	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1449
996	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
998	: "$v->{base}: extension inactive.\n";	1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
999		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1457	if exists $v->{meta}{mandatory};
1001	warn $msg;	1458
1002	warn "mandatory extension failed to load, exiting.\n";	1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1460	delete $todo{$k};
1004	}	1461	} else {
1005		1462	$done{$k} = delete $todo{$k};
1006	warn $msg;	1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
1007	}	1468	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	$progress = 1;
1012	}	1469	}
1013		1470
1014	skip:	1471	unless ($progress) {
1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016	unless $progress;	1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
1017	}	1479	}
1018	};	1480	};
1019	}	1481	}
1020		1482
1021	#############################################################################	1483	#############################################################################
1022		1484
		1485	=back
		1486
1023	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1024		1488
1025	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1026		1490
1027	=cut	1491	=cut
1028		1492
1029	package cf::player;	1493	package cf::player;
1030		1494
1031	use Coro::AIO;	1495	use Coro::AIO;
1032		1496
1033	=head3 cf::player	1497	=head3 cf::player
1034		1498
1035	=over 4	1499	=over 4
		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
1036		1514
1037	=item cf::player::find $login	1515	=item cf::player::find $login
1038		1516
1039	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1040		1518
…		…
1059		1537
1060	sub exists($) {	1538	sub exists($) {
1061	my ($login) = @_;	1539	my ($login) = @_;
1062		1540
1063	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1065	}	1543	}
1066		1544
1067	sub find($) {	1545	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1547	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1558
1081	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1084	}	1568	}
1085	}	1569	}
1086	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
1087		1584
1088	sub save($) {	1585	sub save($) {
1089	my ($pl) = @_;	1586	my ($pl) = @_;
1090		1587
1091	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1096	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1097		1594
1098	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1100		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1101	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1102	Coro::cede;	1604	cf::cede_to_tick;
1103	}	1605	}
1104		1606
1105	sub new($) {	1607	sub new($) {
1106	my ($login) = @_;	1608	my ($login) = @_;
1107		1609
…		…
1113	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1114		1616
1115	$self	1617	$self
1116	}	1618	}
1117		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1118	=item $pl->quit_character	1630	=item $pl->quit_character
1119		1631
1120	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1122		1634
…		…
1126	my ($pl) = @_;	1638	my ($pl) = @_;
1127		1639
1128	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1129		1641
1130	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1131	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1132		1644
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1136	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1137		1650
1138	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1175	or return [];	1688	or return [];
1176		1689
1177	my @logins;	1690	my @logins;
1178		1691
1179	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1183		1702
1184	utf8::decode $login;	1703	utf8::decode $login;
1185	push @logins, $login;	1704	push @logins, $login;
1186	}	1705	}
1187		1706
1188	\@logins	1707	\@logins
1189	}	1708	}
1190		1709
1191	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1192		1713
1193	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1194	player. May block.	1715	player. May block.
1195		1716
1196	=cut	1717	=cut
…		…
1214	}	1735	}
1215		1736
1216	\@paths	1737	\@paths
1217	}	1738	}
1218		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1219	=item $player->ext_reply ($msgid, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1220		1745
1221	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1222		1747
1223	=cut	1748	=cut
1224		1749
1225	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1227		1752
1228	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1754	}
1232		1755
1233	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1234		1757
1235	Sends an ext event to the client.	1758	Sends an ext event to the client.
1236		1759
1237	=cut	1760	=cut
1238		1761
1239	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1241		1764
1242	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1243	}	1766	}
1244		1767
1245	=head3 cf::region	1768	=head3 cf::region
1246		1769
1247	=over 4	1770	=over 4
…		…
1250		1773
1251	package cf::region;	1774	package cf::region;
1252		1775
1253	=item cf::region::find_by_path $path	1776	=item cf::region::find_by_path $path
1254		1777
1255	Tries to decuce the probable region for a map knowing only its path.	1778	Tries to decuce the likely region for a map knowing only its path.
1256		1779
1257	=cut	1780	=cut
1258		1781
1259	sub find_by_path($) {	1782	sub find_by_path($) {
1260	my ($path) = @_;	1783	my ($path) = @_;
1261		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
1262	my ($match, $specificity);	1787	my ($match, $specificity);
1263		1788
1264	for my $region (list) {	1789	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1790	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1791	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1792	if $region->specificity > $specificity;
1268	}	1793	}
1269	}	1794	}
1270		1795
…		…
1291	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1293		1818
1294	sub generate_random_map {	1819	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1296	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1825	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1302	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1303	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1319		1847
1320	sub register {	1848	sub register {
1321	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1322	my $pkg = caller;	1850	my $pkg = caller;
1323		1851
1324	no strict;
1325	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1326		1853
1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1328	}	1855	}
1329		1856
1330	# also paths starting with '/'	1857	# also paths starting with '/'
1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1332		1859
1333	sub thawer_merge {	1860	sub thawer_merge {
1334	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1335		1862
1336	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1390	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1391	return $self;	1918	return $self;
1392	}	1919	}
1393	}	1920	}
1394		1921
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1923	()
1397	}	1924	}
1398		1925
1399	sub init {	1926	sub init {
1400	my ($self) = @_;	1927	my ($self) = @_;
…		…
1422		1949
1423	# the temporary/swap location	1950	# the temporary/swap location
1424	sub save_path {	1951	sub save_path {
1425	my ($self) = @_;	1952	my ($self) = @_;
1426		1953
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1429	}	1956	}
1430		1957
1431	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1432	sub uniq_path {	1959	sub uniq_path {
1433	my ($self) = @_;	1960	my ($self) = @_;
1434		1961
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1437	}
1438
1439	# and all this just because we cannot iterate over
1440	# all maps in C++...
1441	sub change_all_map_light {
1442	my ($change) = @_;
1443
1444	$_->change_map_light ($change)
1445	for grep $_->outdoor, values %cf::MAP;
1446	}	1964	}
1447		1965
1448	sub decay_objects {	1966	sub decay_objects {
1449	my ($self) = @_;	1967	my ($self) = @_;
1450		1968
…		…
1463		1981
1464	sub load_header_from($) {	1982	sub load_header_from($) {
1465	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1466		1984
1467	utf8::encode $path;	1985	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1473		1994
1474	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1475		1996
1476	1	1997	1
1477	}	1998	}
…		…
1531	sub find {	2052	sub find {
1532	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1533		2054
1534	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1535		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1537		2059
1538	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1541	or return;	2062	or return;
1542		2063
1543	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1544		2065
…		…
1546	or return;	2067	or return;
1547		2068
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1551	$map->reset;	2074	$map->reset;
1552	undef $guard;
1553	return find $path;	2075	return find $path;
1554	}	2076	}
1555		2077
1556	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1557	}	2079	}
1558	}	2080	}
1559		2081
1560	sub pre_load { }	2082	sub pre_load { }
1561	sub post_load { }	2083	#sub post_load { } # XS
1562		2084
1563	sub load {	2085	sub load {
1564	my ($self) = @_;	2086	my ($self) = @_;
1565		2087
1566	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1567		2089
1568	my $path = $self->{path};	2090	my $path = $self->{path};
1569		2091
1570	{	2092	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1572		2094
		2095	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2097
1575	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1576		2099
1577	$self->alloc;	2100	$self->alloc;
1578		2101
1579	$self->pre_load;	2102	$self->pre_load;
1580	Coro::cede;	2103	cf::cede_to_tick;
1581		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1583	or return;	2108	or return;
1584		2109
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1586	if delete $self->{load_original};	2111	if delete $self->{load_original};
1587		2112
1588	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2114	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2117	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1593	}	2121	}
1594	}	2122	}
1595		2123
1596	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1597	# now do the right thing for maps	2127	# now do the right thing for maps
1598	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2130	unless $self->difficulty;
1601	Coro::cede;	2131	cf::cede_to_tick;
1602		2132
1603	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2134	$self->decay_objects;
1605	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1606	$self->update_buttons;	2136	$self->update_buttons;
1607	Coro::cede;	2137	cf::cede_to_tick;
1608	$self->set_darkness_map;
1609	Coro::cede;
1610	$self->activate;	2138	$self->activate;
1611	}	2139	}
1612		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2145	}
1615		2146
1616	$self->post_load;	2147	$self->post_load;
1617	}	2148	}
1618		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1619	sub customise_for {	2153	sub customise_for {
1620	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1621		2155
1622	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1623	if $self->per_player;	2157	if $self->per_player;
…		…
1627		2161
1628	$self	2162	$self
1629	}	2163	}
1630		2164
1631	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2166	sub load_neighbours {
1633	my ($map) = @_;	2167	my ($map) = @_;
1634		2168
1635	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1636		2170
1637	for (0 .. 3) {	2171	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1639	or next;	2173	or next;
1640	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1641	or next;	2175	or next;
1642	$neigh->load;	2176	$neigh->load;
1643		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2182	}
1647		2183
1648	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1650	or next;	2187	or next;
1651	$neigh->load;	2188	$neigh->load;
1652	}	2189	}
1653	}	2190	}
1654		2191
1655	sub find_sync {	2192	sub find_sync {
1656	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1657		2194
1658	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1659	}	2199	}
1660		2200
1661	sub do_load_sync {	2201	sub do_load_sync {
1662	my ($map) = @_;	2202	my ($map) = @_;
1663		2203
1664	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1665	}	2208	}
1666		2209
1667	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1669		2212
1670	sub find_async {	2213	sub find_async {
1671	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1672		2215
1673	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1674		2217
1675	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2220	}
1678		2221
1679	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1680	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1681	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2229	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2230	$map->load if $v;
		2231	}
1686		2232
1687	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1688	}	2234	}
1689	}	2235	}
1690	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1691	};	2237	};
1692	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1693		2239
1694	()	2240	()
1695	}	2241	}
1696		2242
		2243	# common code, used by both ->save and ->swapout
1697	sub save {	2244	sub _save {
1698	my ($self) = @_;	2245	my ($self) = @_;
1699
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1701		2246
1702	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1703		2248
1704	return unless $self->dirty;	2249	return unless $self->dirty;
1705		2250
…		…
1711	return if $self->{deny_save};	2256	return if $self->{deny_save};
1712		2257
1713	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1714		2259
1715	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1717	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1718		2266
1719	if ($uniq) {	2267	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2270	} else {
1723	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1724	}	2272	}
1725	}	2273	}
1726		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1727	sub swap_out {	2283	sub swap_out {
1728	my ($self) = @_;	2284	my ($self) = @_;
1729		2285
1730	# save first because save cedes
1731	$self->save;
1732
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1735	return if $self->players;	2290	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};
1738		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1739	$self->clear;	2301	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2302	}
1742		2303
1743	sub reset_at {	2304	sub reset_at {
1744	my ($self) = @_;	2305	my ($self) = @_;
1745		2306
…		…
1763		2324
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2326
1766	return if $self->players;	2327	return if $self->players;
1767		2328
1768	warn "resetting map ", $self->path;	2329	cf::trace "resetting map ", $self->path, "\n";
1769		2330
1770	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1771		2332
1772	# need to save uniques path	2333	# need to save uniques path
1773	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1777	if $uniq;	2338	if $uniq;
1778	}	2339	}
1779		2340
1780	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1781		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2345	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2346
1786	$self->unlink_save;	2347	$self->unlink_save;
1787	$self->destroy;	2348	$self->destroy;
1788	}	2349	}
1789		2350
1790	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1791		2352
1792	sub nuke {	2353	sub nuke {
1793	my ($self) = @_;	2354	my ($self) = @_;
1794		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1795	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1796		2360
1797	$self->unlink_save;	2361	$self->unlink_save;
1798		2362
1799	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1800	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2368
1805	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1806		2371
1807	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
1808	}	2373	}
1809		2374
1810	=item $maps = cf::map::tmp_maps	2375	=item $maps = cf::map::tmp_maps
…		…
1852		2417
1853	sub unique_maps() {	2418	sub unique_maps() {
1854	[	2419	[
1855	map {	2420	map {
1856	utf8::decode $_;	2421	utf8::decode $_;
1857	/\.map$/	2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
1858	? normalise $_	2425	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2426	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2427	]
1862	}	2428	}
1863		2429
1864	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
1865		2461
1866	=back	2462	=back
1867		2463
1868	=head3 cf::object	2464	=head3 cf::object
1869		2465
…		…
1873		2469
1874	=over 4	2470	=over 4
1875		2471
1876	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1877		2473
1878	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1879		2476
1880	=cut	2477	=cut
1881		2478
1882	sub inv_recursive_;	2479	sub inv_recursive_;
1883	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1886		2483
1887	sub inv_recursive {	2484	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1889	}	2486	}
1890		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1891	package cf;	2516	package cf;
1892		2517
1893	=back	2518	=back
1894		2519
1895	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1901	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1903	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1904		2529
1905	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1906		2545
1907	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2547	# with dialog boxes.
1909	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1910	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1912		2551
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2553
1915	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1917	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1920	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1921	}	2579	}
1922		2580
1923	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1924		2582
1925	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1938		2596
1939	=item $player_object->enter_link	2597	=item $player_object->enter_link
1940		2598
1941	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1942		2600
1943	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1944	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1945		2605
1946	Will never block.	2606	Will never block.
1947		2607
1948	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1949		2609
…		…
1969	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1970	my ($self) = @_;	2630	my ($self) = @_;
1971		2631
1972	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1973		2633
		2634	++$self->{_link_recursion};
		2635
1974	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1975		2637
1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1977	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
1978		2640
1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1980	}	2642	}
1981		2643
1982	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1983	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
1984		2646
…		…
2001	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
2002	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
2003		2665
2004	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
2007		2669
2008	$map->load;	2670	$map->load;
2009	$map->load_diag;	2671	$map->load_neighbours;
2010		2672
2011	return unless $self->contr->active;	2673	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2674
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
2016	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
2017		2682
		2683	}
		2684
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2019		2686
2020	Moves the player to the given map-path and coordinates by first freezing	2687	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2688	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2689	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
2024		2695
2025	=cut	2696	=cut
2026		2697
2027	our $GOTOGEN;	2698	our $GOTOGEN;
2028		2699
2029	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
2031		2708
2032	# do generation counting so two concurrent goto's will be executed in-order	2709	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2711
2035	$self->enter_link;	2712	$self->enter_link;
2036		2713
2037	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
2038	my $map = eval {	2736	my $map = eval {
2039	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
2040		2738
2041	if ($map) {	2739	if ($map) {
2042	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
2044	} else {	2742	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2744	}
2047		2745
2048	$map	2746	$map
2049	};	2747	};
2050		2748
…		…
2055		2753
2056	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
2059	}	2757	}
		2758
		2759	$done->($self) if $done;
2060	})->prio (1);	2760	})->prio (1);
2061	}	2761	}
2062		2762
2063	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
2064		2764
…		…
2084	}	2784	}
2085		2785
2086	sub prepare_random_map {	2786	sub prepare_random_map {
2087	my ($exit) = @_;	2787	my ($exit) = @_;
2088		2788
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2791	# that depends on the exit object
2094		2792
2095	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2795	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2102	}	2802	}
2103		2803
2104	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2105		2805
2106	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2109		2809
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2812	undef $fh;
2113	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2114		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2117	}	2821	}
2118	}	2822	}
2119		2823
2120	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2122		2826
2123	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2124		2828
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2829	$self->enter_link;
2137		2830
2138	(async {	2831	(async {
2139	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2140	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
2141	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2142		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
2143	1;	2855	1
2144	}) {	2856	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
2147	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2149		2861
2150	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2151	$self->leave_link;	2863	$self->leave_link;
2152	}	2864	}
2153	})->prio (1);	2865	})->prio (1);
2154	}	2866	}
2155		2867
…		…
2169		2881
2170	utf8::encode $text;	2882	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2884	}
2173		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
2174	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2175		3074
2176	Sends an exti event to the client.	3075	Sends an ext event to the client.
2177		3076
2178	=cut	3077	=cut
2179		3078
2180	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2182		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
2185	}	3106	}
2186		3107
2187	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2188		3109
2189	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		3113
2193	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	3115	become reliable at some point in the future.
2195		3116
2196	=cut	3117	=cut
2197		3118
2198	sub cf::client::query {	3119	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3128	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3130
2210	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2212	}	3135	}
2213		3136
2214	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2215	on_reply => sub {	3143	on_reply => sub {
2216	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2217		3145
2218	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2219	# get handled first	3147	# get handled first
…		…
2231	} else {	3159	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3161	}
2234	}	3162	}
2235	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
2236	);	3190	);
2237		3191
2238	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2239		3193
2240	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2256		3210
2257	$coro	3211	$coro
2258	}	3212	}
2259		3213
2260	cf::client->attach (	3214	cf::client->attach (
2261	on_destroy => sub {	3215	on_client_destroy => sub {
2262	my ($ns) = @_;	3216	my ($ns) = @_;
2263		3217
2264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265	},	3219	},
2266	);	3220	);
…		…
2281	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2283		3237
2284	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2285		3239
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2287		3245
2288	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2289		3247
2290	=pod	3248	=pod
2291		3249
2292	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2293		3251
2294	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2295	cf::object::player player	3257	cf::object::player
2296	cf::player peaceful	3258	player
2297	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2298		3265
2299	=cut	3266	=cut
2300		3267
2301	for (	3268	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2303	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2306	) {	3275	) {
2307	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2310	for @funs;	3278	for @funs;
2311	}	3279	}
2312		3280
…		…
2327		3295
2328	my $qcode = $code;	3296	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2331		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2332	local $_;	3303	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;
2334		3304
2335	my $eval =	3305	my $eval =
2336	"do {\n"	3306	"do {\n"
2337	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2339	. $code	3309	. $code
2340	. "\n}"	3310	. "\n}"
2341	;	3311	;
2342		3312
		3313	if ($CFG{safe_eval}) {
2343	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2344	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2346		3322
2347	if ($@) {	3323	if ($@) {
2348	warn "$@";	3324	warn "$@",
2349	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2350	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2351	}	3327	}
2352		3328
2353	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2354	}	3330	}
2355		3331
…		…
2369	=cut	3345	=cut
2370		3346
2371	sub register_script_function {	3347	sub register_script_function {
2372	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2373		3349
2374	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2375	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2376	}	3352	}
2377		3353
2378	=back	3354	=back
2379		3355
2380	=cut	3356	=cut
2381
2382	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553		3357
2554	#############################################################################	3358	#############################################################################
2555	# the server's init and main functions	3359	# the server's init and main functions
2556		3360
2557	sub load_facedata($) {	3361	sub load_facedata($) {
2558	my ($path) = @_;	3362	my ($path) = @_;
2559		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
2560	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2561		3371
2562	my $facedata;	3372	my $facedata;
2563	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2564	or die "$path: $!";	3374	or die "$path: $!";
2565		3375
2566	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2567		3377
2568	$facedata->{version} == 2	3378	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
2571	{	3390	{
2572	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2573		3392
2574	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579	Coro::cede;	3400
		3401	cf::cede_to_tick;
2580	}	3402	}
2581		3403
2582	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2584	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2585	or next;	3408	or next;
		3409
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3413	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3415	}
2591	Coro::cede;	3416
		3417	cf::cede_to_tick;
2592	}	3418	}
2593	}	3419	}
2594		3420
2595	{	3421	{
2596	my $anims = $facedata->{animinfo};	3422	my $anims = $facedata->{animinfo};
2597		3423
2598	while (my ($anim, $info) = each %$anims) {	3424	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3426	cf::cede_to_tick;
2601	}	3427	}
2602		3428
2603	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2604	}	3430	}
2605		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
2606	1	3451	1
2607	}	3452	}
2608		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
2609	sub reload_regions {	3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
2610	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
2612	}	3484	}
2613		3485
2614	sub reload_facedata {	3486	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3487	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3488	or die "unable to load facedata\n";
…		…
2624	sub reload_treasures {	3496	sub reload_treasures {
2625	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2626	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2627	}	3499	}
2628		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
2629	sub reload_resources {	3524	sub reload_resources {
2630	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2631		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2632	reload_regions;	3530	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3531	reload_treasures;
2637		3532
2638	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2639	}	3534	}
2640		3535
2641	sub init {	3536	sub reload_config {
2642	reload_resources;	3537	trace "reloading config file...\n";
2643	}
2644		3538
2645	sub cfg_load {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3540	or return;
2648		3541
2649	local $/;	3542	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2651		3544
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2653		3546
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2656		3549
2657	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2659	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2660	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2661	};	3554	};
2662	warn $@ if $@;	3555	warn $@ if $@;
2663	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2664	}	3587	}
2665		3588
2666	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2667	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3602	(async {
2671	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2673	};	3606	};
2674		3607
2675	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
2676	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2677	load_extensions;	3631	load_extensions;
2678		3632
2679	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2680	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2681	}	3646	}
2682		3647
2683	#############################################################################	3648	#############################################################################
2684	# initialisation and cleanup	3649	# initialisation and cleanup
2685		3650
2686	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2687	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2696	},
2697	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2698	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2699	}	3747	}
2700		3748
2701	sub emergency_save() {	3749	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2703		3751
2704	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2705		3758
2706	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2707	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3770	$pl->save;
2715	}	3771	}
2716	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2717		3773
2718	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2719	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	3779	$map->valid or next;
2722	$map->save;	3780	$map->save;
2723	}	3781	}
2724	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2725		3783
2726	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2729	};	3812	};
2730		3813
2731	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2732	}	3815	}
2733		3816
2734	sub post_cleanup {	3817	sub post_cleanup {
2735	my ($make_core) = @_;	3818	my ($make_core) = @_;
2736		3819
		3820	IO::AIO::flush;
		3821
2737	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2738	if $make_core;	3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
2739	}	3852	}
2740		3853
2741	sub do_reload_perl() {	3854	sub do_reload_perl() {
2742	# can/must only be called in main	3855	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2744	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2745	return;	3858	return;
2746	}	3859	}
2747		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2748	warn "reloading...";	3866	info "reloading...";
2749		3867
2750	warn "entering sync_job";	3868	trace "entering sync_job";
2751		3869
2752	cf::sync_job {	3870	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark
2754	cf::emergency_save;	3871	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark
2756		3872
2757	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;
2759
2760	# if anything goes wrong in here, we should simply crash as we already saved
2761
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();	3875	%EXT_CORO = ();
2781		3876
2782	warn "removing commands";	3877	trace "removing commands";
2783	%COMMAND = ();	3878	%COMMAND = ();
2784		3879
2785	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2786	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2787		3883
2788	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2791		3887
2792	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2793	eval {	3889	eval {
2794	$cb->($pkg);	3890	$cb->($pkg);
2795	1	3891	1
2796	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2797	}	3897	}
2798		3898
2799	warn "... nuking $pkg";
2800	Symbol::delete_package $pkg;
2801	}
2802
2803	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2804	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		3902
2807	warn "... unloading $k";	3903	trace "... unloading $k";
2808	delete $INC{$k};	3904	delete $INC{$k};
2809		3905
2810	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2812		3908
2813	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2814	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2815	}	3914	}
2816		3915
2817	Symbol::delete_package $k;
2818	}
2819
2820	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823		3919
2824	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		3923
2828	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2829	# and global variables created in xs	3925	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2831		3927
2832	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2833		3929
2834	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2835	require cf;	3931	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2837		3933
2838	warn "loading config and database again";	3934	trace "loading config and database again";
2839	cf::cfg_load;	3935	cf::reload_config;
2840		3936
2841	warn "loading extensions";	3937	trace "loading extensions";
2842	cf::load_extensions;	3938	cf::load_extensions;
2843		3939
		3940	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2847	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2850		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
2851	warn "leaving sync_job";	3952	trace "leaving sync_job";
2852		3953
2853	1	3954	1
2854	} or do {	3955	} or do {
2855	warn $@;	3956	error $@;
2856	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2857	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
2858	};	3962	}
2859		3963
2860	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
2861	};	3966	};
2862		3967
2863	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
2864		3969
2865	sub reload_perl() {	3970	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
2868		3973
2869	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	3976
2872	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	3978	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
2876	},	3980	};
2877	);	3981	};
2878	}	3982	}
2879		3983
2880	register_command "reload" => sub {	3984	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2882		3986
2883	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3991	reload_perl;
		3992	};
2886	}	3993	}
2887	};	3994	};
2888		3995
2889	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2890		3997
…		…
2892		3999
2893	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
2895		4002
2896	sub wait_for_tick {	4003	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2899		4005
2900	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	4008	$signal->wait;
2903	}	4009	}
2904		4010
2905	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2908		4013
2909	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	4016	$signal->wait;
2912	}	4017	}
2913		4018
2914	my $min = 1e6;#d#	4019	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2926	return;	4023	return;
2927	}	4024	}
2928		4025
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2932		4027
2933	0 && sync_job {#d#	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2934	for(1..10) {
2935	my $t = Event::time;
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937	or die;
2938		4029
2939	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2940	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2941	$map->alloc;	4032	Coro::async_pool {
2942	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
2943	my $t = Event::time - $t;	4034	write_runtime_sync
2944		4035	or error "ERROR: unable to write runtime file: $!";
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	4036	};
		4037	}
2955		4038
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	4040	$sig->send;
2972	}	4041	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	4043	$sig->send;
2975	}	4044	}
2976		4045
2977	$NOW = Event::time;	4046	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		4048
2988	_post_tick;	4049	if (0) {
2989		4050	if ($NEXT_TICK) {
2990		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
2991	},	4055	}
2992	);	4056	}
2993		4057
2994	{	4058	{
2995	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	4060
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
3005		4062	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		4064
3021	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		4072
3024	cf::sync_job {	4073	cf::sync_job {
3025	eval {	4074	eval {
3026	BDB::db_env_open	4075	BDB::db_env_open
3027	$DB_ENV,	4076	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	4080	0666;
3032		4081
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	4083	};
3038		4084
3039	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	4086	};
3041	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
3042	}	4098	}
3043		4099
3044	{	4100	{
		4101	# configure IO::AIO
		4102
3045	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	4106	}
3058		4107
3059	my $_log_backtrace;	4108	my $_log_backtrace;
3060		4109
3061	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
3064	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
3065		4114
3066	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
3069	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
3070	my @bt = fork_call {	4122	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3082	}	4134	}
3083		4135
3084	@funcs	4136	@funcs
3085	};	4137	};
3086		4138
3087	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4142	--$_log_backtrace;
3090	};	4143	};
3091	} else {	4144	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3094	}	4147	}
3095	}	4148	}
3096		4149
3097	# load additional modules	4150	# load additional modules
3098	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3099		4153
3100	END { cf::emergency_save }	4154	END { cf::emergency_save }
3101		4155
3102	1	4156	1
3103		4157

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