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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.311 by root, Fri Jul 20 16:11:10 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
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		80
51	our %COMMAND = ();	81	our %COMMAND = ();
52	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	85	our %EXTCMD = ();
56	our %EXTICMD = ();	86	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
59		89
60	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	91	our @EVENT;
		92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
62		94
63	our $CONFDIR = confdir;	95	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	96	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	97	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	98	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	99	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	100	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	104	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		116
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	119	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
85		128
86	our %CFG;	129	our %CFG;
87		130
88	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
90		134
91	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
94		138
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		141
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		151
102	binmode STDOUT;	152	binmode STDOUT;
103	binmode STDERR;	153	binmode STDERR;
104		154
105	# read virtual server time, if available	155	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	157	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
110	}	160	}
		161
		162	eval "sub TICK() { $TICK } 1" or die;
111		163
112	mkdir $_	164	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		166
115	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
116		168
117	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::"} };
118		185
119	#############################################################################	186	#############################################################################
120		187
121	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
122		189
…		…
158		225
159	The raw value load value from the last tick.	226	The raw value load value from the last tick.
160		227
161	=item %cf::CFG	228	=item %cf::CFG
162		229
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	231	from wherever your confdir points to.
165		232
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		234
168	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
169	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
170	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.
171		238
172	=item @cf::INVOKE_RESULTS	239	=item @cf::INVOKE_RESULTS
173		240
174	This array contains the results of the last C<invoke ()> call. When	241	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	243	that call.
177		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
178	=back	251	=back
179		252
180	=cut	253	=cut
181		254
182	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	262	my $msg = join "", @_;
185		263
186	$msg .= "\n"	264	$msg .= "\n"
187	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
188		266
189	$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;
190		268
191	utf8::encode $msg;
192	LOG llevError, $msg;	269	LOG llevWarn, $msg;
193	};	270	};
194	}	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	};
195		285
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	296	for my $pkg (qw(
207	cf::global cf::attachable	297	cf::global cf::attachable
208	cf::object cf::object::player	298	cf::object cf::object::player
209	cf::client cf::player	299	cf::client cf::player
210	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
211	cf::map cf::party cf::region	302	cf::party cf::region
212	)) {	303	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	305	}
216		306
217	$Event::DIED = sub {	307	$EV::DIED = sub {
218	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
219	};	309	};
220		310
221	#############################################################################	311	#############################################################################
222		312
223	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
…		…
245	$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;
246	$d	336	$d
247	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
248	}	338	}
249		339
250	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
251		341
252	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
253		343
254	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
255		345
256	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
257		347
258	=cut	348	=cut
259		349
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		351
262	sub to_json ($) { $json_coder->encode ($_[0]) }	352	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[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	}
264		368
265	=item cf::lock_wait $string	369	=item cf::lock_wait $string
266		370
267	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
268		372
269	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
270		374
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
274	returned.	378	returned.
275		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
276	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
277	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
278		385
279	=item $locked = cf::lock_active $string	386	=item $locked = cf::lock_active $string
280		387
281	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.
282		389
283	=cut	390	=cut
284		391
285	our %LOCK;	392	our $LOCKS = new Coro::SemaphoreSet;
286		393
287	sub lock_wait($) {	394	sub lock_wait($) {
288	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	396	}
296		397
297	sub lock_acquire($) {	398	sub lock_acquire($) {
298	my ($key) = @_;	399	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	400	}
310		401
311	sub lock_active($) {	402	sub lock_active($) {
312	my ($key) = @_;	403	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	404	}
316		405
317	sub freeze_mainloop {	406	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
319		408
320	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
321	$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($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
322	};	476	}
323	$TICK_WATCHER->stop;	477	};
324	$guard	478
		479	sub get_slot($;$$) {
		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	$sig->wait;
325	}	492	}
326		493
327	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
328		495
329	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		501
335	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
336		503
337	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
338		505
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	506	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	507	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	509	acceptable.
343		510
344	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	516	=cut
350		517
351	sub sync_job(&) {	518	sub sync_job(&) {
352	my ($job) = @_;	519	my ($job) = @_;
353		520
354	if ($Coro::current == $Coro::main) {	521	if (in_main) {
355	my $time = Event::time;	522	my $time = AE::time;
356		523
357	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
359		526
360	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	528
362	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
363		530
364	my $busy = 1;	531	my $busy = 1;
365	my @res;	532	my @res;
366		533
367	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	536	@res = eval { $job->() };
369	warn $@ if $@;	537	error $@ if $@;
370	undef $busy;	538	undef $busy;
371	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
372		540
373	while ($busy) {	541	while ($busy) {
374	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
375	}	546	}
		547	}
376		548
377	$time = Event::time - $time;	549	my $time = AE::time - $time;
378		550
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	551	$TICK_START += $time; # do not account sync jobs to server load
383		552
384	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
385	} else {	554	} else {
386	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
387		556
…		…
412	=item fork_call { }, $args	581	=item fork_call { }, $args
413		582
414	Executes the given code block with the given arguments in a seperate	583	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	584	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	585	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	586	never block itself or use any form of event handling.
418		587
419	=cut	588	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		589
430	sub fork_call(&@) {	590	sub fork_call(&@) {
431	my ($cb, @args) = @_;	591	my ($cb, @args) = @_;
432		592
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	593	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	594	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	595	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		596
438	if (my $pid = fork) {	597	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	598	reset_signals;
452	local $SIG{__WARN__};	599	&$cb
453	local $SIG{__DIE__};	600	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		601
460	eval {	602	wantarray ? @res : $res[-1]
461	close $fh1;	603	}
462		604
463	my @res = eval { $cb->(@args) };	605	sub objinfo {
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	641	}
473		642
474	=item $value = cf::db_get $family => $key	643	=item $value = cf::db_get $family => $key
475		644
476	Returns a single value from the environment database.	645	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	647	=item cf::db_put $family => $key => $value
479		648
480	Stores the given C<$value> in the family. It can currently store binary	649	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		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
483	=cut	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	}
484		678
485	our $DB;	679	our $DB;
486		680
487	sub db_init {	681	sub db_init {
488	unless ($DB) {	682	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	683	}
503		684
504	sub db_get($$) {	685	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	686	my $key = "$_[0]/$_[1]";
506		687
507	cf::sync_job {	688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
508	BDB::db_get $DB, undef, $key, my $data;	691	BDB::db_get $DB, undef, $key, my $data;
509		692
510	$! ? ()	693	$! ? ()
511	: $data	694	: $data
512	}
513	}	695	}
514		696
515	sub db_put($$$) {	697	sub db_put($$$) {
516	BDB::dbreq_pri 4;	698	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
556	if (1) {	738	if (1) {
557	$md5 =	739	$md5 =
558	join "\x00",	740	join "\x00",
559	$processversion,	741	$processversion,
560	map {	742	map {
561	Coro::cede;	743	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	745	} 0.. $#$src;
564		746
565		747
566	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		755
574	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	757	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
577		759
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		761
580	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
583		765
…		…
593		775
594	=cut	776	=cut
595		777
596	sub datalog($@) {	778	sub datalog($@) {
597	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	781	}
600		782
601	=back	783	=back
602		784
603	=cut	785	=cut
604		786
605	#############################################################################	787	#############################################################################
606		788
607	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
608		790
609	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
610	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")
611	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
612		794
613	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>
614	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
615	Crossfire TRT).	797	Deliantra).
616		798
617	=over 4	799	=over 4
618		800
619	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
620		802
…		…
664	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
665		847
666	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
667	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
668		850
669	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		853
672	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
673		855
674	=over 4	856	=over 4
…		…
798		980
799	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		983
802	} elsif (ref $type) {	984	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
804		986
805	} else {	987	} else {
806	shift @arg;	988	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
808	}	990	}
809	}	991	}
810	}	992	}
811		993
812	sub _object_attach {	994	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
823	}	1005	}
824		1006
825	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
826	} else {	1008	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1010	}
829		1011
830	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
831	}	1013	}
832		1014
…		…
891		1073
892	for (@$callbacks) {	1074	for (@$callbacks) {
893	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
894		1076
895	if ($@) {	1077	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1079	override;
899	}	1080	}
900		1081
901	return 1 if $override;	1082	return 1 if $override;
902	}	1083	}
903		1084
904	0	1085	0
905	}	1086	}
906		1087
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1089
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1091
911	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
912		1093
…		…
919	=cut	1100	=cut
920		1101
921	#############################################################################	1102	#############################################################################
922	# object support	1103	# object support
923		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	}
		1146
924	sub reattach {	1147	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1149	my ($obj) = @_;
927		1150
		1151	# no longer needed after getting rid of delete_package?
928	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
929		1153
930	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
931		1155
932	@$registry = ();	1156	@$registry = ();
933		1157
…		…
938	for (@$attach) {	1162	for (@$attach) {
939	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
941	}	1165	}
942	} else {	1166	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1168	}
945	}	1169	}
946	}	1170	}
947		1171
948	cf::attachable->attach (	1172	cf::attachable->attach (
949	prio => -1000000,	1173	prio => -1000000,
950	on_instantiate => sub {	1174	on_instantiate => sub {
951	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
952		1176
953	$data = from_json $data;	1177	$data = decode_json $data;
954		1178
955	for (@$data) {	1179	for (@$data) {
956	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
957		1181
958	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1198	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
976		1200
977	sync_job {	1201	sync_job {
978	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
981		1207
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1215	aio_close $fh;
987		1216
988	if (@$objs) {	1217	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
993	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	}
994	close $fh;	1226	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
996	}	1228	}
997	} else {	1229	} else {
998	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
999	}	1231	}
1000		1232
1001	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1237	} else {
1003	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
1004	}	1239	}
1005	} else {	1240	} else {
1006	aio_unlink $filename;	1241	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1008	}	1243	}
1009	}	1244	};
1010	}	1245	}
1011		1246
1012	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1014		1249
…		…
1026	or return;	1261	or return;
1027		1262
1028	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1265	or return;
		1266
1031	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1032	}	1269	}
1033		1270
		1271	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1036	return ($data, $av);	1276	($data, $av)
1037	}	1277	}
1038		1278
1039	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1040		1280
1041	=over 4	1281	=over 4
…		…
1095	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1096		1336
1097	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1098	}	1338	}
1099		1339
		1340	use File::Glob ();
		1341
1100	cf::player->attach (	1342	cf::player->attach (
1101	on_command => sub {	1343	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1103		1345
1104	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1105	or return;	1347	or return;
1106		1348
…		…
1114	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1115		1357
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1359
1118	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
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1124	} else {	1375	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1377	}
1127		1378
1128	cf::override;	1379	cf::override;
1129	},	1380	},
1130	);	1381	);
1131		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
1132	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1133	cf::sync_job {	1399	cf::sync_job {
1134	my %todo;	1400	my %todo;
1135		1401
1136	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1403	next unless -r $path;
…		…
1155		1421
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1424
1159	$ext{source} =	1425	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1162	. $source	1428	. $source
1163	. "\n};\n1";	1429	. "\n};\n1";
1164		1430
1165	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1166	}	1432	}
1167		1433
		1434	my $pass = 0;
1168	my %done;	1435	my %done;
1169	while (%todo) {	1436	while (%todo) {
1170	my $progress;	1437	my $progress;
1171		1438
		1439	++$pass;
		1440
		1441	ext:
1172	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1444	next ext
1175	unless exists $done{$_};	1445	unless exists $done{$_};
1176	}	1446	}
1177		1447
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1449
1180	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";	1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
1183		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1457	if exists $v->{meta}{mandatory};
1185	warn $msg;	1458
1186	warn "mandatory extension failed to load, exiting.\n";	1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1460	delete $todo{$k};
1188	}	1461	} else {
1189		1462	$done{$k} = delete $todo{$k};
1190	warn $msg;	1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
1191	}	1468	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1469	}
1197		1470
1198	skip:	1471	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	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	}
1201	}	1479	}
1202	};	1480	};
1203	}	1481	}
1204		1482
1205	#############################################################################	1483	#############################################################################
1206		1484
1207	=back	1485	=back
1208		1486
1209	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1210		1488
1211	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1212		1490
1213	=cut	1491	=cut
1214		1492
1215	package cf::player;	1493	package cf::player;
1216		1494
1217	use Coro::AIO;	1495	use Coro::AIO;
1218		1496
1219	=head3 cf::player	1497	=head3 cf::player
1220		1498
1221	=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	}
1222		1514
1223	=item cf::player::find $login	1515	=item cf::player::find $login
1224		1516
1225	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1226		1518
…		…
1245		1537
1246	sub exists($) {	1538	sub exists($) {
1247	my ($login) = @_;	1539	my ($login) = @_;
1248		1540
1249	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1251	}	1543	}
1252		1544
1253	sub find($) {	1545	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1547	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1558
1267	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1268	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;
1269	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1270	}	1568	}
1271	}	1569	}
1272	}	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	);
1273		1584
1274	sub save($) {	1585	sub save($) {
1275	my ($pl) = @_;	1586	my ($pl) = @_;
1276		1587
1277	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1283		1594
1284	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1286		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
1287	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1288	Coro::cede;	1604	cf::cede_to_tick;
1289	}	1605	}
1290		1606
1291	sub new($) {	1607	sub new($) {
1292	my ($login) = @_;	1608	my ($login) = @_;
1293		1609
…		…
1299	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1300		1616
1301	$self	1617	$self
1302	}	1618	}
1303		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
1304	=item $pl->quit_character	1630	=item $pl->quit_character
1305		1631
1306	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
1307	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1308		1634
…		…
1312	my ($pl) = @_;	1638	my ($pl) = @_;
1313		1639
1314	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1315		1641
1316	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1317	$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
1318		1644
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1323		1650
1324	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1688	or return [];
1362		1689
1363	my @logins;	1690	my @logins;
1364		1691
1365	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") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1369		1702
1370	utf8::decode $login;	1703	utf8::decode $login;
1371	push @logins, $login;	1704	push @logins, $login;
1372	}	1705	}
1373		1706
1374	\@logins	1707	\@logins
1375	}	1708	}
1376		1709
1377	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1378		1713
1379	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1380	player. May block.	1715	player. May block.
1381		1716
1382	=cut	1717	=cut
…		…
1400	}	1735	}
1401		1736
1402	\@paths	1737	\@paths
1403	}	1738	}
1404		1739
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1741
1407	Expand crossfire pod fragments into protocol xml.	1742	Expand deliantra pod fragments into protocol xml.
1408		1743
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1456		1745
1457	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1458		1747
1459	=cut	1748	=cut
1460		1749
1461	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1463		1752
1464	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1754	}
1467		1755
1468	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1469		1757
1470	Sends an ext event to the client.	1758	Sends an ext event to the client.
1471		1759
1472	=cut	1760	=cut
1473		1761
1474	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1476		1764
1477	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1478	}	1766	}
1479		1767
1480	=head3 cf::region	1768	=head3 cf::region
1481		1769
1482	=over 4	1770	=over 4
…		…
1491		1779
1492	=cut	1780	=cut
1493		1781
1494	sub find_by_path($) {	1782	sub find_by_path($) {
1495	my ($path) = @_;	1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
1496		1786
1497	my ($match, $specificity);	1787	my ($match, $specificity);
1498		1788
1499	for my $region (list) {	1789	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1790	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1528		1818
1529	sub generate_random_map {	1819	sub generate_random_map {
1530	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
1531	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1825	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1554		1847
1555	sub register {	1848	sub register {
1556	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	1850	my $pkg = caller;
1558		1851
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		1853
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1855	}
1564		1856
1565	# also paths starting with '/'	1857	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1859
1568	sub thawer_merge {	1860	sub thawer_merge {
1569	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1570		1862
1571	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1657		1949
1658	# the temporary/swap location	1950	# the temporary/swap location
1659	sub save_path {	1951	sub save_path {
1660	my ($self) = @_;	1952	my ($self) = @_;
1661		1953
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1664	}	1956	}
1665		1957
1666	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1667	sub uniq_path {	1959	sub uniq_path {
1668	my ($self) = @_;	1960	my ($self) = @_;
1669		1961
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	1964	}
1682		1965
1683	sub decay_objects {	1966	sub decay_objects {
1684	my ($self) = @_;	1967	my ($self) = @_;
1685		1968
…		…
1698		1981
1699	sub load_header_from($) {	1982	sub load_header_from($) {
1700	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1701		1984
1702	utf8::encode $path;	1985	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	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;
1708		1994
1709	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1710		1996
1711	1	1997	1
1712	}	1998	}
…		…
1766	sub find {	2052	sub find {
1767	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1768		2054
1769	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1770		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2059
1773	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1776	or return;	2062	or return;
1777		2063
1778	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1779		2065
…		…
1781	or return;	2067	or return;
1782		2068
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1786	$map->reset;	2074	$map->reset;
1787	undef $guard;
1788	return find $path;	2075	return find $path;
1789	}	2076	}
1790		2077
1791	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1792	}	2079	}
1793	}	2080	}
1794		2081
1795	sub pre_load { }	2082	sub pre_load { }
1796	sub post_load { }	2083	#sub post_load { } # XS
1797		2084
1798	sub load {	2085	sub load {
1799	my ($self) = @_;	2086	my ($self) = @_;
1800		2087
1801	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1802		2089
1803	my $path = $self->{path};	2090	my $path = $self->{path};
1804		2091
1805	{	2092	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1807		2094
		2095	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2097
1810	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1811		2099
1812	$self->alloc;	2100	$self->alloc;
1813		2101
1814	$self->pre_load;	2102	$self->pre_load;
1815	Coro::cede;	2103	cf::cede_to_tick;
1816		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1818	or return;	2108	or return;
1819		2109
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1821	if delete $self->{load_original};	2111	if delete $self->{load_original};
1822		2112
1823	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2114	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2117	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1828	}	2121	}
1829	}	2122	}
1830		2123
1831	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1832	# now do the right thing for maps	2127	# now do the right thing for maps
1833	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2130	unless $self->difficulty;
1836	Coro::cede;	2131	cf::cede_to_tick;
1837		2132
1838	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2134	$self->decay_objects;
1840	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1841	$self->update_buttons;	2136	$self->update_buttons;
1842	Coro::cede;	2137	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2138	$self->activate;
1846	}	2139	}
1847		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2145	}
1850		2146
1851	$self->post_load;	2147	$self->post_load;
1852	}	2148	}
1853		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
1854	sub customise_for {	2153	sub customise_for {
1855	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1856		2155
1857	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2157	if $self->per_player;
…		…
1862		2161
1863	$self	2162	$self
1864	}	2163	}
1865		2164
1866	# 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
1867	sub load_diag {	2166	sub load_neighbours {
1868	my ($map) = @_;	2167	my ($map) = @_;
1869		2168
1870	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1871		2170
1872	for (0 .. 3) {	2171	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1874	or next;	2173	or next;
1875	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1876	or next;	2175	or next;
1877	$neigh->load;	2176	$neigh->load;
1878		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2182	}
1882		2183
1883	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1885	or next;	2187	or next;
1886	$neigh->load;	2188	$neigh->load;
1887	}	2189	}
1888	}	2190	}
1889		2191
1890	sub find_sync {	2192	sub find_sync {
1891	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1892		2194
1893	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
1894	}	2199	}
1895		2200
1896	sub do_load_sync {	2201	sub do_load_sync {
1897	my ($map) = @_;	2202	my ($map) = @_;
1898		2203
1899	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;
1900	}	2208	}
1901		2209
1902	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1904		2212
1905	sub find_async {	2213	sub find_async {
1906	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1907		2215
1908	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1909		2217
1910	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2220	}
1913		2221
1914	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1915	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1916	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2229	if (my $map = find $k) {
1919	$map->load;	2230	$map->load if $v;
1920	}	2231	}
1921		2232
1922	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1923	}	2234	}
1924	}	2235	}
1925	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1926	};	2237	};
1927	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1928		2239
1929	()	2240	()
1930	}	2241	}
1931		2242
		2243	# common code, used by both ->save and ->swapout
1932	sub save {	2244	sub _save {
1933	my ($self) = @_;	2245	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2246
1937	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1938		2248
1939	return unless $self->dirty;	2249	return unless $self->dirty;
1940		2250
…		…
1946	return if $self->{deny_save};	2256	return if $self->{deny_save};
1947		2257
1948	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1949		2259
1950	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1952	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1953		2266
1954	if ($uniq) {	2267	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2270	} else {
1958	$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);
1959	}	2272	}
1960	}	2273	}
1961		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1962	sub swap_out {	2283	sub swap_out {
1963	my ($self) = @_;	2284	my ($self) = @_;
1964		2285
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1970	return if $self->players;	2290	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		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
1974	$self->clear;	2301	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2302	}
1977		2303
1978	sub reset_at {	2304	sub reset_at {
1979	my ($self) = @_;	2305	my ($self) = @_;
1980		2306
…		…
1998		2324
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2326
2001	return if $self->players;	2327	return if $self->players;
2002		2328
2003	warn "resetting map ", $self->path;	2329	cf::trace "resetting map ", $self->path, "\n";
2004		2330
2005	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
2006		2332
2007	# need to save uniques path	2333	# need to save uniques path
2008	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
2012	if $uniq;	2338	if $uniq;
2013	}	2339	}
2014		2340
2015	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
2016		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2345	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2346
2021	$self->unlink_save;	2347	$self->unlink_save;
2022	$self->destroy;	2348	$self->destroy;
2023	}	2349	}
2024		2350
2025	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
2026		2352
2027	sub nuke {	2353	sub nuke {
2028	my ($self) = @_;	2354	my ($self) = @_;
2029		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
2030	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
2031		2360
2032	$self->unlink_save;	2361	$self->unlink_save;
2033		2362
2034	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2368
2040	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
2041		2371
2042	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
2043	}	2373	}
2044		2374
2045	=item $maps = cf::map::tmp_maps	2375	=item $maps = cf::map::tmp_maps
…		…
2087		2417
2088	sub unique_maps() {	2418	sub unique_maps() {
2089	[	2419	[
2090	map {	2420	map {
2091	utf8::decode $_;	2421	utf8::decode $_;
2092	/\.map$/	2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
2093	? normalise $_	2425	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2426	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2427	]
2097	}	2428	}
2098		2429
2099	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	}
2100		2461
2101	=back	2462	=back
2102		2463
2103	=head3 cf::object	2464	=head3 cf::object
2104		2465
…		…
2108		2469
2109	=over 4	2470	=over 4
2110		2471
2111	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
2112		2473
2113	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.
2114		2476
2115	=cut	2477	=cut
2116		2478
2117	sub inv_recursive_;	2479	sub inv_recursive_;
2118	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
2121		2483
2122	sub inv_recursive {	2484	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
2124	}	2486	}
2125		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
2126	package cf;	2516	package cf;
2127		2517
2128	=back	2518	=back
2129		2519
2130	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
2136	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>
2137	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
2138	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
2139		2529
2140	=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	};
2141		2545
2142	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2547	# with dialog boxes.
2144	#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
2145	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
2152		2556
2153	} else {	2557	} else {
2154	my $pl = $self->contr;	2558	my $pl = $self->contr;
2155		2559
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2561	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2563
2165	} else {	2564	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2567	}
2169	}	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 (@_);
2170	}	2579	}
2171		2580
2172	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
2173		2582
2174	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
2187		2596
2188	=item $player_object->enter_link	2597	=item $player_object->enter_link
2189		2598
2190	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}>).
2191		2600
2192	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.
2193	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.
2194		2605
2195	Will never block.	2606	Will never block.
2196		2607
2197	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
2198		2609
…		…
2218	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2630	my ($self) = @_;
2220		2631
2221	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
2222		2633
		2634	++$self->{_link_recursion};
		2635
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2637
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
2227		2640
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2642	}
2230		2643
2231	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
2233		2646
…		…
2250	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
2252		2665
2253	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
2256		2669
2257	$map->load;	2670	$map->load;
2258	$map->load_diag;	2671	$map->load_neighbours;
2259		2672
2260	return unless $self->contr->active;	2673	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2674
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
2265	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
2266		2682
		2683	}
		2684
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2686
2269	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
2270	her, loading and preparing them map, calling the provided $check callback	2688	her, loading and preparing them map, calling the provided $check callback
2271	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
2272	the new (success) or old (failed) map position. In either case, $done will	2690	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2691	be called at the end of this process.
2274		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 >>.
		2695
2275	=cut	2696	=cut
2276		2697
2277	our $GOTOGEN;	2698	our $GOTOGEN;
2278		2699
2279	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2702
		2703	if ($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	}
		2708
2282	# 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
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2711
2285	$self->enter_link;	2712	$self->enter_link;
2286		2713
2287	(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
2288	my $map = eval {	2736	my $map = eval {
2289	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
2290		2738
2291	if ($map) {	2739	if ($map) {
2292	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2742	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2744	}
2297		2745
2298	$map	2746	$map
2299	};	2747	};
2300		2748
…		…
2306	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
2309	}	2757	}
2310		2758
2311	$done->() if $done;	2759	$done->($self) if $done;
2312	})->prio (1);	2760	})->prio (1);
2313	}	2761	}
2314		2762
2315	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
2316		2764
…		…
2336	}	2784	}
2337		2785
2338	sub prepare_random_map {	2786	sub prepare_random_map {
2339	my ($exit) = @_;	2787	my ($exit) = @_;
2340		2788
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2791	# that depends on the exit object
2346		2792
2347	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2795	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2354	}	2802	}
2355		2803
2356	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2357		2805
2358	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2361		2809
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2812	undef $fh;
2365	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2366		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2369	}	2821	}
2370	}	2822	}
2371		2823
2372	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2374		2826
2375	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2376		2828
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2829	$self->enter_link;
2389		2830
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2831	(async {
2395	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2396	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
2397	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2398		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
2399	1;	2855	1
2400	}) {	2856	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "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. "
2403	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2861
2406	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2863	$self->leave_link;
2408	}	2864	}
2409	})->prio (1);	2865	})->prio (1);
2410	}	2866	}
2411		2867
…		…
2423	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
2424	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
2425		2881
2426	utf8::encode $text;	2882	utf8::encode $text;
2427	$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);
		2884	}
		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);
2428	}	2909	}
2429		2910
2430	=item $client->send_msg ($channel, $msg, $color, [extra...])	2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2912
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2913	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2915	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2916	the message unless the client supports the msg packet.
2436		2917
2437	=cut	2918	=cut
2438		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" => $CHAT_CHANNEL,
		3032	);
		3033
2439	sub cf::client::send_msg {	3034	sub cf::client::send_msg {
2440	my ($self, $channel, $msg, $color, @extra) = @_;	3035	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3036
2442	$msg = $self->pl->expand_cfpod ($msg);	3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
2443		3039
2444	return unless @extra || length $msg;
2445
2446	$color &= ~cf::NDI_UNIQUE; # just in case...	3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
2447		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
2448	if (ref $channel) {	3049	} elsif (ref $channel) {
2449	# send meta info to client, if not yet sent	3050	# send meta info to client, if not yet sent
2450	unless (exists $self->{channel}{$channel->{id}}) {	3051	unless (exists $self->{channel}{$channel->{id}}) {
2451	$self->{channel}{$channel->{id}} = $channel;	3052	$self->{channel}{$channel->{id}} = $channel;
2452	$self->ext_event (channel_info => %$channel);	3053	$self->ext_msg (channel_info => $channel);
2453	}	3054	}
2454		3055
2455	$channel = $channel->{id};	3056	$channel = $channel->{id};
2456	}	3057	}
2457		3058
2458	if ($self->can_msg) {	3059	return unless @extra || length $msg;
2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2460	} else {
2461	# replace some tags by gcfclient-compatible ones
2462	for ($msg) {
2463	1 while
2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2469	}
2470		3060
2471	if ($color >= 0) {	3061	# default colour, mask it out
2472	if (0 && $msg =~ /\[/) {	3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2473	$self->send_packet ("drawextinfo $color 4 0 $msg")	3063	if $color & cf::NDI_DEF;
2474	} else {
2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2476	$self->send_packet ("drawinfo $color $msg")
2477	}
2478	}
2479	}
2480	}
2481		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
2482	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2483		3074
2484	Sends an ext event to the client.	3075	Sends an ext event to the client.
2485		3076
2486	=cut	3077	=cut
2487		3078
2488	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2489	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2490		3081
2491	return unless $self->extcmd;	3082	if ($self->extcmd == 2) {
2492		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2493	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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	}
2495	}	3106	}
2496		3107
2497	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2498		3109
2499	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
…		…
2554	my ($ns, $buf) = @_;	3165	my ($ns, $buf) = @_;
2555		3166
2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2557		3168
2558	if (ref $msg) {	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
2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3177	if (my $cb = $EXTICMD{$type}) {
2560	if (my %reply = $cb->($ns, $msg)) {	3178	@reply = $cb->($ns, @payload);
2561	$reply{msgid} = $msg->{msgid};
2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2563	}
2564	}	3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
2565	} else {	3184	} else {
2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2567	}	3186	}
2568		3187
2569	cf::override;	3188	cf::override;
2570	},	3189	},
2571	);	3190	);
…		…
2591		3210
2592	$coro	3211	$coro
2593	}	3212	}
2594		3213
2595	cf::client->attach (	3214	cf::client->attach (
2596	on_destroy => sub {	3215	on_client_destroy => sub {
2597	my ($ns) = @_;	3216	my ($ns) = @_;
2598		3217
2599	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2600	},	3219	},
2601	);	3220	);
…		…
2616	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2617	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2618		3237
2619	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2620		3239
2621	$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	));
2622		3245
2623	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2624		3247
2625	=pod	3248	=pod
2626		3249
2627	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2628		3251
2629	cf::object	3252	cf::object
2630	contr pay_amount pay_player map x y force_find force_add	3253	contr pay_amount pay_player map x y force_find force_add destroy
2631	insert remove	3254	insert remove name archname title slaying race decrease split
		3255	value
2632		3256
2633	cf::object::player	3257	cf::object::player
2634	player	3258	player
2635		3259
2636	cf::player	3260	cf::player
…		…
2641		3265
2642	=cut	3266	=cut
2643		3267
2644	for (	3268	for (
2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2646	insert remove)],	3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2647	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2648	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2649	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2650	) {	3275	) {
2651	no strict 'refs';
2652	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2653	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2654	for @funs;	3278	for @funs;
2655	}	3279	}
2656		3280
…		…
2671		3295
2672	my $qcode = $code;	3296	my $qcode = $code;
2673	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2674	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2675		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2676	local $_;	3303	local $_;
2677	local @safe::cf::_safe_eval_args = values %vars;
2678		3304
2679	my $eval =	3305	my $eval =
2680	"do {\n"	3306	"do {\n"
2681	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2682	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2683	. $code	3309	. $code
2684	. "\n}"	3310	. "\n}"
2685	;	3311	;
2686		3312
		3313	if ($CFG{safe_eval}) {
2687	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2688	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2689	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	}
2690		3322
2691	if ($@) {	3323	if ($@) {
2692	warn "$@";	3324	warn "$@",
2693	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2694	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2695	}	3327	}
2696		3328
2697	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2698	}	3330	}
2699		3331
…		…
2713	=cut	3345	=cut
2714		3346
2715	sub register_script_function {	3347	sub register_script_function {
2716	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2717		3349
2718	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2719	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2720	}	3352	}
2721		3353
2722	=back	3354	=back
2723		3355
2724	=cut	3356	=cut
…		…
2727	# the server's init and main functions	3359	# the server's init and main functions
2728		3360
2729	sub load_facedata($) {	3361	sub load_facedata($) {
2730	my ($path) = @_;	3362	my ($path) = @_;
2731		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
2732	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2733		3371
2734	my $facedata;	3372	my $facedata;
2735	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2736	or die "$path: $!";	3374	or die "$path: $!";
2737		3375
2738	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2739		3377
2740	$facedata->{version} == 2	3378	$facedata->{version} == 2
2741	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2742		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
2743	{	3390	{
2744	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2745		3392
2746	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2748	cf::face::set_visibility $idx, $info->{visibility};	3396	cf::face::set_visibility $idx, $info->{visibility};
2749	cf::face::set_magicmap $idx, $info->{magicmap};	3397	cf::face::set_magicmap $idx, $info->{magicmap};
2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2752		3400
2753	cf::cede_to_tick;	3401	cf::cede_to_tick;
2754	}	3402	}
2755		3403
2756	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2757	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2758	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2759	or next;	3408	or next;
		3409
2760	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
2761	cf::face::set_smooth $idx, $smooth;	3411	cf::face::set_smooth $idx, $smooth;
2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2763	} else {	3413	} else {
2764	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2765	}	3415	}
2766		3416
2767	cf::cede_to_tick;	3417	cf::cede_to_tick;
2768	}	3418	}
2769	}	3419	}
…		…
2778		3428
2779	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2780	}	3430	}
2781		3431
2782	{	3432	{
2783	# TODO: for gcfclient pleasure, we should give resources
2784	# that gcfclient doesn't grok a >10000 face index.
2785	my $res = $facedata->{resource};	3433	my $res = $facedata->{resource};
2786	my $enc = JSON::XS->new->utf8->canonical;
2787		3434
2788	while (my ($name, $info) = each %$res) {	3435	while (my ($name, $info) = each %$res) {
2789	my $meta = $enc->encode ({	3436	if (defined $info->{type}) {
2790	name => $name,
2791	type => $info->{type},
2792	copyright => $info->{copyright}, #TODO#
2793	});
2794
2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2796		3438
2797	if ($name =~ /\.jpg$/) {
2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3440	cf::face::set_type $idx, $info->{type};
2800	} else {	3441	} else {
2801	my $data = pack "(w/a*)*", $meta, $info->{data};	3442	$RESOURCE{$name} = $info; # unused
2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2803
2804	cf::face::set_type $idx, 1;
2805	cf::face::set_data $idx, 0, $data, $chk;
2806	}	3443	}
2807		3444
2808	cf::cede_to_tick;	3445	cf::cede_to_tick;
2809	}	3446	}
2810	}	3447	}
2811		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
2812	1	3451	1
2813	}	3452	}
2814		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
2815	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
2816	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2817	or die "unable to load regions file\n";	3478	or die "unable to load regions file\n";
2818		3479
2819	for (cf::region::list) {	3480	for (cf::region::list) {
2820	$_->{match} = qr/$_->{match}/	3481	$_->{match} = qr/$_->{match}/
…		…
2828	}	3489	}
2829		3490
2830	sub reload_archetypes {	3491	sub reload_archetypes {
2831	load_resource_file "$DATADIR/archetypes"	3492	load_resource_file "$DATADIR/archetypes"
2832	or die "unable to load archetypes\n";	3493	or die "unable to load archetypes\n";
2833	#d# NEED to laod twice to resolve forward references
2834	# this really needs to be done in an extra post-pass
2835	# (which needs to be synchronous, so solve it differently)
2836	load_resource_file "$DATADIR/archetypes"
2837	or die "unable to load archetypes\n";
2838	}	3494	}
2839		3495
2840	sub reload_treasures {	3496	sub reload_treasures {
2841	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2842	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2843	}	3499	}
2844		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
2845	sub reload_resources {	3524	sub reload_resources {
2846	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2847		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2848	reload_regions;	3530	reload_regions;
2849	reload_facedata;
2850	#reload_archetypes;#d#
2851	reload_archetypes;
2852	reload_treasures;	3531	reload_treasures;
2853		3532
2854	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2855	}	3534	}
2856		3535
2857	sub init {	3536	sub reload_config {
2858	reload_resources;	3537	trace "reloading config file...\n";
2859	}
2860		3538
2861	sub cfg_load {
2862	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2863	or return;	3540	or return;
2864		3541
2865	local $/;	3542	local $/;
2866	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2867		3544
2868	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2869		3546
2870	$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};
2871	$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};
2872		3549
2873	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2875	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2876	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2877	};	3554	};
2878	warn $@ if $@;	3555	warn $@ if $@;
2879	}	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;
2880	}	3587	}
2881		3588
2882	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
2883	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2884	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2885	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#
2886	(async {	3602	(async {
2887	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2888	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2889	};	3606	};
2890		3607
2891	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;
2892	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
2893	load_extensions;	3631	load_extensions;
2894		3632
2895	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2896	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;
2897	}	3646	}
2898		3647
2899	#############################################################################	3648	#############################################################################
2900	# initialisation and cleanup	3649	# initialisation and cleanup
2901		3650
2902	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2903	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2904	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2905	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2906	reentrant => 0,
2907	data => WF_AUTOCANCEL,
2908	signal => $signal,
2909	prio => 0,
2910	cb => sub {
2911	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2912	},
2913	);	3657	};
2914	}	3658	}
2915	}	3659	}
2916		3660
2917	sub write_runtime {	3661	sub write_runtime_sync {
2918	my $runtime = "$LOCALDIR/runtime";	3662	my $t0 = AE::time;
2919		3663
2920	# first touch the runtime file to show we are still running:	3664	# first touch the runtime file to show we are still running:
2921	# the fsync below can take a very very long time.	3665	# the fsync below can take a very very long time.
2922		3666
2923	IO::AIO::aio_utime $runtime, undef, undef;	3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2924		3668
2925	my $guard = cf::lock_acquire "write_runtime";	3669	my $guard = cf::lock_acquire "write_runtime";
2926		3670
2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2928	or return;	3672	or return;
2929		3673
2930	my $value = $cf::RUNTIME + 90 + 10;	3674	my $value = $cf::RUNTIME + 90 + 10;
2931	# 10 is the runtime save interval, for a monotonic clock	3675	# 10 is the runtime save interval, for a monotonic clock
2932	# 60 allows for the watchdog to kill the server.	3676	# 60 allows for the watchdog to kill the server.
…		…
2942	aio_utime $fh, undef, undef;	3686	aio_utime $fh, undef, undef;
2943		3687
2944	close $fh	3688	close $fh
2945	or return;	3689	or return;
2946		3690
2947	aio_rename "$runtime~", $runtime	3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2948	and return;	3692	and return;
2949		3693
2950	warn "runtime file written.\n";	3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2951		3695
2952	1	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 };
2953	}	3747	}
2954		3748
2955	sub emergency_save() {	3749	sub emergency_save() {
2956	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2957		3751
2958	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;
2959		3758
2960	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2961	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2962	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2963	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2964	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2965	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2966	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2967	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2968	$pl->save;	3770	$pl->save;
2969	}	3771	}
2970	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2971		3773
2972	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";
2973	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2974	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2975	$map->valid or next;	3779	$map->valid or next;
2976	$map->save;	3780	$map->save;
2977	}	3781	}
2978	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2979		3783
2980	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";
2981	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2982	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
2983	};	3812	};
2984		3813
2985	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2986	}	3815	}
2987		3816
2988	sub post_cleanup {	3817	sub post_cleanup {
2989	my ($make_core) = @_;	3818	my ($make_core) = @_;
2990		3819
		3820	IO::AIO::flush;
		3821
2991	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2992	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	}
2993	}	3852	}
2994		3853
2995	sub do_reload_perl() {	3854	sub do_reload_perl() {
2996	# can/must only be called in main	3855	# can/must only be called in main
2997	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2998	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2999	return;	3858	return;
3000	}	3859	}
3001		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
3002	warn "reloading...";	3866	info "reloading...";
3003		3867
3004	warn "entering sync_job";	3868	trace "entering sync_job";
3005		3869
3006	cf::sync_job {	3870	cf::sync_job {
3007	cf::write_runtime; # external watchdog should not bark
3008	cf::emergency_save;	3871	cf::emergency_save;
3009	cf::write_runtime; # external watchdog should not bark
3010		3872
3011	warn "syncing database to disk";
3012	BDB::db_env_txn_checkpoint $DB_ENV;
3013
3014	# if anything goes wrong in here, we should simply crash as we already saved
3015
3016	warn "cancelling all WF_AUTOCANCEL watchers";
3017	for (Event::all_watchers) {
3018	$_->cancel if $_->data & WF_AUTOCANCEL;
3019	}
3020
3021	warn "flushing outstanding aio requests";
3022	for (;;) {
3023	BDB::flush;
3024	IO::AIO::flush;
3025	Coro::cede;
3026	last unless IO::AIO::nreqs || BDB::nreqs;
3027	warn "iterate...";
3028	}
3029
3030	++$RELOAD;
3031
3032	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
3033	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
3034	%EXT_CORO = ();	3875	%EXT_CORO = ();
3035		3876
3036	warn "removing commands";	3877	trace "removing commands";
3037	%COMMAND = ();	3878	%COMMAND = ();
3038		3879
3039	warn "removing ext/exti commands";	3880	trace "removing ext/exti commands";
3040	%EXTCMD = ();	3881	%EXTCMD = ();
3041	%EXTICMD = ();	3882	%EXTICMD = ();
3042		3883
3043	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
3044	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
3045	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
3046		3887
3047	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
3048	eval {	3889	eval {
3049	$cb->($pkg);	3890	$cb->($pkg);
3050	1	3891	1
3051	} 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;
3052	}	3897	}
3053		3898
3054	warn "... nuking $pkg";
3055	Symbol::delete_package $pkg;
3056	}
3057
3058	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
3059	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3061		3902
3062	warn "... unloading $k";	3903	trace "... unloading $k";
3063	delete $INC{$k};	3904	delete $INC{$k};
3064		3905
3065	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
3066	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
3067		3908
3068	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
3069	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
3070	}	3914	}
3071		3915
3072	Symbol::delete_package $k;
3073	}
3074
3075	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
3076	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
3077	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);
3078		3919
3079	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
3080	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
3081	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3082		3923
3083	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
3084	# and global variables created in xs	3925	# and global variables created in xs
3085	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
3086		3927
3087	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
3088		3929
3089	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
3090	require cf;	3931	require cf;
3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
3092		3933
3093	warn "loading config and database again";	3934	trace "loading config and database again";
3094	cf::cfg_load;	3935	cf::reload_config;
3095		3936
3096	warn "loading extensions";	3937	trace "loading extensions";
3097	cf::load_extensions;	3938	cf::load_extensions;
3098		3939
		3940	if ($REATTACH_ON_RELOAD) {
3099	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
3100	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
3101	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
3102	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
3103	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
3104	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
3105		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
3106	warn "leaving sync_job";	3952	trace "leaving sync_job";
3107		3953
3108	1	3954	1
3109	} or do {	3955	} or do {
3110	warn $@;	3956	error $@;
3111	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
3112	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
3113	};	3962	}
3114		3963
3115	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
3116	};	3966	};
3117		3967
3118	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
3119		3969
3120	sub reload_perl() {	3970	sub reload_perl() {
3121	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
3122	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
3123		3973
3124	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
3125	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
3126	after => 0,	3976
3127	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3128	cb => sub {
3129	do_reload_perl;	3978	do_reload_perl;
3130	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
3131	},	3980	};
3132	);	3981	};
3133	}	3982	}
3134		3983
3135	register_command "reload" => sub {	3984	register_command "reload" => sub {
3136	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
3137		3986
3138	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
3139	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
3140	async { reload_perl };	3991	reload_perl;
		3992	};
3141	}	3993	}
3142	};	3994	};
3143		3995
3144	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
3145		3997
…		…
3147		3999
3148	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
3149	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
3150		4002
3151	sub wait_for_tick {	4003	sub wait_for_tick {
3152	return unless $TICK_WATCHER->is_active;
3153	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3154		4005
3155	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
3156	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
3157	$signal->wait;	4008	$signal->wait;
3158	}	4009	}
3159		4010
3160	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
3161	return unless $TICK_WATCHER->is_active;
3162	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3163		4013
3164	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
3165	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
3166	$signal->wait;	4016	$signal->wait;
3167	}	4017	}
3168		4018
3169	my $min = 1e6;#d#	4019	sub tick {
3170	my $avg = 10;
3171	$TICK_WATCHER = Event->timer (
3172	reentrant => 0,
3173	parked => 1,
3174	prio => 0,
3175	at => $NEXT_TICK || $TICK,
3176	data => WF_AUTOCANCEL,
3177	cb => sub {
3178	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3180	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
3181	return;	4023	return;
3182	}	4024	}
3183		4025
3184	$NOW = $tick_start = Event::time;
3185
3186	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
3187		4027
3188	0 && sync_job {#d#	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3189	for(1..10) {
3190	my $t = Event::time;
3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3192	or die;
3193		4029
3194	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3195	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3196	$map->alloc;	4032	Coro::async_pool {
3197	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
3198	my $t = Event::time - $t;	4034	write_runtime_sync
3199		4035	or error "ERROR: unable to write runtime file: $!";
3200	#next unless $t < 0.0013;#d#
3201	if ($t < $min) {
3202	$min = $t;
3203	}
3204	$avg = $avg * 0.99 + $t * 0.01;
3205	}
3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3207	exit 0;
3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3209	};	4036	};
		4037	}
3210		4038
3211	$RUNTIME += $TICK;
3212	$NEXT_TICK += $TICK;
3213
3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
3216	Coro::async_pool {
3217	write_runtime
3218	or warn "ERROR: unable to write runtime file: $!";
3219	};
3220	}
3221
3222	# my $AFTER = Event::time;
3223	# warn $AFTER - $NOW;#d#
3224
3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3226	$sig->send;	4040	$sig->send;
3227	}	4041	}
3228	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
3229	$sig->send;	4043	$sig->send;
3230	}	4044	}
3231		4045
3232	$NOW = Event::time;	4046	$LOAD = ($NOW - $TICK_START) / $TICK;
3233
3234	# if we are delayed by four ticks or more, skip them all
3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3236
3237	$TICK_WATCHER->at ($NEXT_TICK);
3238	$TICK_WATCHER->start;
3239
3240	$LOAD = ($NOW - $tick_start) / $TICK;
3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3242		4048
3243	_post_tick;	4049	if (0) {
3244		4050	if ($NEXT_TICK) {
3245		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
3246	},	4055	}
3247	);	4056	}
3248		4057
3249	{	4058	{
3250	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
3251	$BDB_POLL_WATCHER = Event->io (	4060
3252	reentrant => 0,
3253	fd => BDB::poll_fileno,
3254	poll => 'r',
3255	prio => 0,
3256	data => WF_AUTOCANCEL,
3257	cb => \&BDB::poll_cb,
3258	);
3259	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
3260		4062	BDB::max_poll_reqs $TICK * 0.1;
3261	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
3262	my $status;
3263	my $current = $Coro::current;
3264	(
3265	sub {
3266	$status = $!;
3267	$current->ready; undef $current;
3268	},
3269	sub {
3270	Coro::schedule while defined $current;
3271	$! = $status;
3272	},
3273	)
3274	};
3275		4064
3276	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
3277	$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);
3278		4072
3279	cf::sync_job {	4073	cf::sync_job {
3280	eval {	4074	eval {
3281	BDB::db_env_open	4075	BDB::db_env_open
3282	$DB_ENV,	4076	$DB_ENV,
…		…
3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3286	0666;	4080	0666;
3287		4081
3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3289
3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3291	$DB_ENV->set_lk_detect;
3292	};	4083	};
3293		4084
3294	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
3295	};	4086	};
3296	}	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	};
3297	}	4098	}
3298		4099
3299	{	4100	{
		4101	# configure IO::AIO
		4102
3300	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
3301
3302	undef $Coro::AIO::WATCHER;
3303	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
3304	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
3305	reentrant => 0,
3306	data => WF_AUTOCANCEL,
3307	fd => IO::AIO::poll_fileno,
3308	poll => 'r',
3309	prio => 6,
3310	cb => \&IO::AIO::poll_cb,
3311	);
3312	}	4106	}
3313		4107
3314	my $_log_backtrace;	4108	my $_log_backtrace;
3315		4109
3316	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
3319	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
3320		4114
3321	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
3322	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
3323	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
3324	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
3325	my @bt = fork_call {	4122	my @bt = fork_call {
3326	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3328	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 |"
3329	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3337	}	4134	}
3338		4135
3339	@funcs	4136	@funcs
3340	};	4137	};
3341		4138
3342	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3343	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3344	--$_log_backtrace;	4142	--$_log_backtrace;
3345	};	4143	};
3346	} else {	4144	} else {
3347	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3348	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3349	}	4147	}
3350	}	4148	}
3351		4149
3352	# load additional modules	4150	# load additional modules
3353	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3354		4153
3355	END { cf::emergency_save }	4154	END { cf::emergency_save }
3356		4155
3357	1	4156	1
3358		4157

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