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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.288 by root, Mon Jun 25 07:40:53 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;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		80
50	our %COMMAND = ();	81	our %COMMAND = ();
51	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	85	our %EXTCMD = ();
55	our %EXTICMD = ();	86	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
58		89
59	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	91	our @EVENT;
		92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
61		94
62	our $CONFDIR = confdir;	95	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	96	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	97	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	98	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	99	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	100	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	104	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		116
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	119	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
84		128
85	our %CFG;	129	our %CFG;
86		130
87	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
89		134
90	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
93		138
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		141
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		151
101	binmode STDOUT;	152	binmode STDOUT;
102	binmode STDERR;	153	binmode STDERR;
103		154
104	# read virtual server time, if available	155	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	157	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
109	}	160	}
		161
		162	eval "sub TICK() { $TICK } 1" or die;
110		163
111	mkdir $_	164	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		166
114	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
115		168
116	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::"} };
117		185
118	#############################################################################	186	#############################################################################
119		187
120	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
121		189
…		…
157		225
158	The raw value load value from the last tick.	226	The raw value load value from the last tick.
159		227
160	=item %cf::CFG	228	=item %cf::CFG
161		229
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	231	from wherever your confdir points to.
164		232
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		234
167	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
168	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
169	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.
170		238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
		250
171	=back	251	=back
172		252
173	=cut	253	=cut
174		254
175	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	262	my $msg = join "", @_;
178		263
179	$msg .= "\n"	264	$msg .= "\n"
180	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
181		266
182	$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;
183		268
184	utf8::encode $msg;
185	LOG llevError, $msg;	269	LOG llevWarn, $msg;
186	};	270	};
187	}	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	};
188		285
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	296	for my $pkg (qw(
200	cf::global cf::attachable	297	cf::global cf::attachable
201	cf::object cf::object::player	298	cf::object cf::object::player
202	cf::client cf::player	299	cf::client cf::player
203	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
204	cf::map cf::party cf::region	302	cf::party cf::region
205	)) {	303	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	305	}
209		306
210	$Event::DIED = sub {	307	$EV::DIED = sub {
211	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
212	};	309	};
213		310
214	#############################################################################	311	#############################################################################
215		312
216	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	336	$d
240	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
241	}	338	}
242		339
243	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
244		341
245	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
246		343
247	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
248		345
249	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
250		347
251	=cut	348	=cut
252		349
253	our $json_coder = JSON::XS->new->convert_blessed->utf8->max_size (1e6); # accept ~1mb max	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		351
255	sub to_json ($) { $json_coder->encode ($_[0]) }	352	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		368
258	=item cf::lock_wait $string	369	=item cf::lock_wait $string
259		370
260	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
261		372
262	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
263		374
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
267	returned.	378	returned.
268		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
269	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
270	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
271		385
272	=item $locked = cf::lock_active $string	386	=item $locked = cf::lock_active $string
273		387
274	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.
275		389
276	=cut	390	=cut
277		391
278	our %LOCK;	392	our $LOCKS = new Coro::SemaphoreSet;
279		393
280	sub lock_wait($) {	394	sub lock_wait($) {
281	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	396	}
289		397
290	sub lock_acquire($) {	398	sub lock_acquire($) {
291	my ($key) = @_;	399	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	400	}
303		401
304	sub lock_active($) {	402	sub lock_active($) {
305	my ($key) = @_;	403	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	404	}
309		405
310	sub freeze_mainloop {	406	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
312		408
313	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
315	};	476	}
316	$TICK_WATCHER->stop;	477	};
317	$guard	478
		479	sub get_slot($;$$) {
		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	$sig->wait;
318	}	492	}
319		493
320	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
321		495
322	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		501
328	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
329		503
330	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
331		505
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	506	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	507	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	509	acceptable.
336		510
337	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	516	=cut
343		517
344	sub sync_job(&) {	518	sub sync_job(&) {
345	my ($job) = @_;	519	my ($job) = @_;
346		520
347	if ($Coro::current == $Coro::main) {	521	if (in_main) {
348	my $time = Event::time;	522	my $time = AE::time;
349		523
350	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
352		526
353	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	528
355	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
356		530
357	my $busy = 1;	531	my $busy = 1;
358	my @res;	532	my @res;
359		533
360	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	536	@res = eval { $job->() };
362	warn $@ if $@;	537	error $@ if $@;
363	undef $busy;	538	undef $busy;
364	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
365		540
366	while ($busy) {	541	while ($busy) {
367	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
368	}	546	}
		547	}
369		548
370	$time = Event::time - $time;	549	my $time = AE::time - $time;
371		550
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	551	$TICK_START += $time; # do not account sync jobs to server load
376		552
377	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
378	} else {	554	} else {
379	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
380		556
…		…
405	=item fork_call { }, $args	581	=item fork_call { }, $args
406		582
407	Executes the given code block with the given arguments in a seperate	583	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	584	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	585	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	586	never block itself or use any form of event handling.
411		587
412	=cut	588	=cut
413		589
414	sub fork_call(&@) {	590	sub fork_call(&@) {
415	my ($cb, @args) = @_;	591	my ($cb, @args) = @_;
416		592
417	# 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,
418	# or die "socketpair: $!";	594	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	595	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		596
422	if (my $pid = fork) {	597	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	598	reset_signals;
435	local $SIG{__WARN__};	599	&$cb
436	local $SIG{__DIE__};	600	}, @args;
437	eval {
438	close $fh1;
439		601
440	my @res = eval { $cb->(@args) };	602	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	603	}
442	};
443		604
444	warn $@ if $@;	605	sub objinfo {
445	_exit 0;
446	}	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
447	}	641	}
448		642
449	=item $value = cf::db_get $family => $key	643	=item $value = cf::db_get $family => $key
450		644
451	Returns a single value from the environment database.	645	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	647	=item cf::db_put $family => $key => $value
454		648
455	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
456	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).
457		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
458	=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	}
459		678
460	our $DB;	679	our $DB;
461		680
462	sub db_init {	681	sub db_init {
463	unless ($DB) {	682	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	683	}
478		684
479	sub db_get($$) {	685	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	686	my $key = "$_[0]/$_[1]";
481		687
482	cf::sync_job {	688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
483	BDB::db_get $DB, undef, $key, my $data;	691	BDB::db_get $DB, undef, $key, my $data;
484		692
485	$! ? ()	693	$! ? ()
486	: $data	694	: $data
487	}
488	}	695	}
489		696
490	sub db_put($$$) {	697	sub db_put($$$) {
491	BDB::dbreq_pri 4;	698	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	738	if (1) {
532	$md5 =	739	$md5 =
533	join "\x00",	740	join "\x00",
534	$processversion,	741	$processversion,
535	map {	742	map {
536	Coro::cede;	743	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	745	} 0.. $#$src;
539		746
540		747
541	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		755
549	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	757	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
552		759
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		761
555	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
558		765
…		…
568		775
569	=cut	776	=cut
570		777
571	sub datalog($@) {	778	sub datalog($@) {
572	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	781	}
575		782
576	=back	783	=back
577		784
578	=cut	785	=cut
579		786
580	#############################################################################	787	#############################################################################
581		788
582	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
583		790
584	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
585	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")
586	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
587		794
588	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>
589	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
590	Crossfire TRT).	797	Deliantra).
591		798
592	=over 4	799	=over 4
593		800
594	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
595		802
…		…
639	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
640		847
641	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
642	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
643		850
644	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		853
647	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
648		855
649	=over 4	856	=over 4
…		…
773		980
774	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		983
777	} elsif (ref $type) {	984	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
779		986
780	} else {	987	} else {
781	shift @arg;	988	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
783	}	990	}
784	}	991	}
785	}	992	}
786		993
787	sub _object_attach {	994	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
798	}	1005	}
799		1006
800	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
801	} else {	1008	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1010	}
804		1011
805	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
806	}	1013	}
807		1014
…		…
847	";	1054	";
848	die if $@;	1055	die if $@;
849	}	1056	}
850		1057
851	our $override;	1058	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1060
854	sub override {	1061	sub override {
855	$override = 1;	1062	$override = 1;
856	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
857	}	1064	}
858		1065
859	sub do_invoke {	1066	sub do_invoke {
860	my $event = shift;	1067	my $event = shift;
861	my $callbacks = shift;	1068	my $callbacks = shift;
862		1069
863	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
864		1071
865	local $override;	1072	local $override;
866		1073
867	for (@$callbacks) {	1074	for (@$callbacks) {
868	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
869		1076
870	if ($@) {	1077	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1079	override;
874	}	1080	}
875		1081
876	return 1 if $override;	1082	return 1 if $override;
877	}	1083	}
878		1084
879	0	1085	0
880	}	1086	}
881		1087
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1089
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1091
886	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
887		1093
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1097
892	=back	1098	=back
893		1099
894	=cut	1100	=cut
895		1101
896	#############################################################################	1102	#############################################################################
897	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
898		1146
899	sub reattach {	1147	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1149	my ($obj) = @_;
902		1150
		1151	# no longer needed after getting rid of delete_package?
903	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
904		1153
905	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
906		1155
907	@$registry = ();	1156	@$registry = ();
908		1157
…		…
913	for (@$attach) {	1162	for (@$attach) {
914	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
916	}	1165	}
917	} else {	1166	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1168	}
920	}	1169	}
921	}	1170	}
922		1171
923	cf::attachable->attach (	1172	cf::attachable->attach (
924	prio => -1000000,	1173	prio => -1000000,
925	on_instantiate => sub {	1174	on_instantiate => sub {
926	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
927		1176
928	$data = from_json $data;	1177	$data = decode_json $data;
929		1178
930	for (@$data) {	1179	for (@$data) {
931	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
932		1181
933	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1198	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
951		1200
952	sync_job {	1201	sync_job {
953	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
956		1207
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1215	aio_close $fh;
962		1216
963	if (@$objs) {	1217	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1226	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
971	}	1228	}
972	} else {	1229	} else {
973	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
974	}	1231	}
975		1232
976	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1237	} else {
978	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
979	}	1239	}
980	} else {	1240	} else {
981	aio_unlink $filename;	1241	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
983	}	1243	}
984	}	1244	};
985	}	1245	}
986		1246
987	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
989		1249
…		…
1001	or return;	1261	or return;
1002		1262
1003	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1265	or return;
		1266
1006	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1007	}	1269	}
1008		1270
		1271	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1011	return ($data, $av);	1276	($data, $av)
1012	}	1277	}
1013		1278
1014	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1015		1280
1016	=over 4	1281	=over 4
…		…
1070	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1071		1336
1072	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1073	}	1338	}
1074		1339
		1340	use File::Glob ();
		1341
1075	cf::player->attach (	1342	cf::player->attach (
1076	on_command => sub {	1343	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1078		1345
1079	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1080	or return;	1347	or return;
1081		1348
…		…
1086	cf::override;	1353	cf::override;
1087	},	1354	},
1088	on_extcmd => sub {	1355	on_extcmd => sub {
1089	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1090		1357
1091	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1359
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1099	} else {	1375	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1377	}
1102		1378
1103	cf::override;	1379	cf::override;
1104	},	1380	},
1105	);	1381	);
1106		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
1107	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1108	cf::sync_job {	1399	cf::sync_job {
1109	my %todo;	1400	my %todo;
1110		1401
1111	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1403	next unless -r $path;
…		…
1130		1421
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1424
1134	$ext{source} =	1425	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1137	. $source	1428	. $source
1138	. "\n};\n1";	1429	. "\n};\n1";
1139		1430
1140	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1141	}	1432	}
1142		1433
		1434	my $pass = 0;
1143	my %done;	1435	my %done;
1144	while (%todo) {	1436	while (%todo) {
1145	my $progress;	1437	my $progress;
1146		1438
		1439	++$pass;
		1440
		1441	ext:
1147	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1444	next ext
1150	unless exists $done{$_};	1445	unless exists $done{$_};
1151	}	1446	}
1152		1447
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1449
1155	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";	1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
1158		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1457	if exists $v->{meta}{mandatory};
1160	warn $msg;	1458
1161	warn "mandatory extension failed to load, exiting.\n";	1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1460	delete $todo{$k};
1163	}	1461	} else {
1164		1462	$done{$k} = delete $todo{$k};
1165	warn $msg;	1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
1166	}	1468	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1469	}
1172		1470
1173	skip:	1471	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	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	}
1176	}	1479	}
1177	};	1480	};
1178	}	1481	}
1179		1482
1180	#############################################################################	1483	#############################################################################
1181		1484
1182	=back	1485	=back
1183		1486
1184	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1185		1488
1186	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1187		1490
1188	=cut	1491	=cut
1189		1492
1190	package cf::player;	1493	package cf::player;
1191		1494
1192	use Coro::AIO;	1495	use Coro::AIO;
1193		1496
1194	=head3 cf::player	1497	=head3 cf::player
1195		1498
1196	=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	}
1197		1514
1198	=item cf::player::find $login	1515	=item cf::player::find $login
1199		1516
1200	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1201		1518
…		…
1220		1537
1221	sub exists($) {	1538	sub exists($) {
1222	my ($login) = @_;	1539	my ($login) = @_;
1223		1540
1224	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1226	}	1543	}
1227		1544
1228	sub find($) {	1545	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1547	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1558
1242	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1245	}	1568	}
1246	}	1569	}
1247	}	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	);
1248		1584
1249	sub save($) {	1585	sub save($) {
1250	my ($pl) = @_;	1586	my ($pl) = @_;
1251		1587
1252	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1258		1594
1259	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1263	Coro::cede;	1604	cf::cede_to_tick;
1264	}	1605	}
1265		1606
1266	sub new($) {	1607	sub new($) {
1267	my ($login) = @_;	1608	my ($login) = @_;
1268		1609
…		…
1274	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1275		1616
1276	$self	1617	$self
1277	}	1618	}
1278		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
1279	=item $pl->quit_character	1630	=item $pl->quit_character
1280		1631
1281	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
1282	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1283		1634
…		…
1287	my ($pl) = @_;	1638	my ($pl) = @_;
1288		1639
1289	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1290		1641
1291	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1292	$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
1293		1644
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1298		1650
1299	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1688	or return [];
1337		1689
1338	my @logins;	1690	my @logins;
1339		1691
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1344		1702
1345	utf8::decode $login;	1703	utf8::decode $login;
1346	push @logins, $login;	1704	push @logins, $login;
1347	}	1705	}
1348		1706
1349	\@logins	1707	\@logins
1350	}	1708	}
1351		1709
1352	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1353		1713
1354	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1355	player. May block.	1715	player. May block.
1356		1716
1357	=cut	1717	=cut
…		…
1375	}	1735	}
1376		1736
1377	\@paths	1737	\@paths
1378	}	1738	}
1379		1739
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1741
1382	Expand crossfire pod fragments into protocol xml.	1742	Expand deliantra pod fragments into protocol xml.
1383		1743
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1414		1745
1415	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1416		1747
1417	=cut	1748	=cut
1418		1749
1419	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1421		1752
1422	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . cf::to_json \%msg);
1424	}	1754	}
1425		1755
1426	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1427		1757
1428	Sends an ext event to the client.	1758	Sends an ext event to the client.
1429		1759
1430	=cut	1760	=cut
1431		1761
1432	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1434		1764
1435	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1436	}	1766	}
1437		1767
1438	=head3 cf::region	1768	=head3 cf::region
1439		1769
1440	=over 4	1770	=over 4
…		…
1450	=cut	1780	=cut
1451		1781
1452	sub find_by_path($) {	1782	sub find_by_path($) {
1453	my ($path) = @_;	1783	my ($path) = @_;
1454		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
1455	my ($match, $specificity);	1787	my ($match, $specificity);
1456		1788
1457	for my $region (list) {	1789	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1790	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1791	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1792	if $region->specificity > $specificity;
1461	}	1793	}
1462	}	1794	}
1463		1795
…		…
1484	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1486		1818
1487	sub generate_random_map {	1819	sub generate_random_map {
1488	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
1489	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1825	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1512		1847
1513	sub register {	1848	sub register {
1514	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1515	my $pkg = caller;	1850	my $pkg = caller;
1516		1851
1517	no strict;
1518	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1519		1853
1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1521	}	1855	}
1522		1856
1523	# also paths starting with '/'	1857	# also paths starting with '/'
1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1525		1859
1526	sub thawer_merge {	1860	sub thawer_merge {
1527	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1528		1862
1529	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1583	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1584	return $self;	1918	return $self;
1585	}	1919	}
1586	}	1920	}
1587		1921
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1589	()	1923	()
1590	}	1924	}
1591		1925
1592	sub init {	1926	sub init {
1593	my ($self) = @_;	1927	my ($self) = @_;
…		…
1615		1949
1616	# the temporary/swap location	1950	# the temporary/swap location
1617	sub save_path {	1951	sub save_path {
1618	my ($self) = @_;	1952	my ($self) = @_;
1619		1953
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1622	}	1956	}
1623		1957
1624	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1625	sub uniq_path {	1959	sub uniq_path {
1626	my ($self) = @_;	1960	my ($self) = @_;
1627		1961
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1630	}
1631
1632	# and all this just because we cannot iterate over
1633	# all maps in C++...
1634	sub change_all_map_light {
1635	my ($change) = @_;
1636
1637	$_->change_map_light ($change)
1638	for grep $_->outdoor, values %cf::MAP;
1639	}	1964	}
1640		1965
1641	sub decay_objects {	1966	sub decay_objects {
1642	my ($self) = @_;	1967	my ($self) = @_;
1643		1968
…		…
1656		1981
1657	sub load_header_from($) {	1982	sub load_header_from($) {
1658	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1659		1984
1660	utf8::encode $path;	1985	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	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;
1666		1994
1667	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1668		1996
1669	1	1997	1
1670	}	1998	}
…		…
1724	sub find {	2052	sub find {
1725	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1726		2054
1727	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1728		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2059
1731	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1734	or return;	2062	or return;
1735		2063
1736	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1737		2065
…		…
1739	or return;	2067	or return;
1740		2068
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1744	$map->reset;	2074	$map->reset;
1745	undef $guard;
1746	return find $path;	2075	return find $path;
1747	}	2076	}
1748		2077
1749	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1750	}	2079	}
1751	}	2080	}
1752		2081
1753	sub pre_load { }	2082	sub pre_load { }
1754	sub post_load { }	2083	#sub post_load { } # XS
1755		2084
1756	sub load {	2085	sub load {
1757	my ($self) = @_;	2086	my ($self) = @_;
1758		2087
1759	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1760		2089
1761	my $path = $self->{path};	2090	my $path = $self->{path};
1762		2091
1763	{	2092	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1765		2094
		2095	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2097
1768	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1769		2099
1770	$self->alloc;	2100	$self->alloc;
1771		2101
1772	$self->pre_load;	2102	$self->pre_load;
1773	Coro::cede;	2103	cf::cede_to_tick;
1774		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1776	or return;	2108	or return;
1777		2109
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1779	if delete $self->{load_original};	2111	if delete $self->{load_original};
1780		2112
1781	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2114	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2117	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1786	}	2121	}
1787	}	2122	}
1788		2123
1789	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1790	# now do the right thing for maps	2127	# now do the right thing for maps
1791	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2130	unless $self->difficulty;
1794	Coro::cede;	2131	cf::cede_to_tick;
1795		2132
1796	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2134	$self->decay_objects;
1798	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1799	$self->update_buttons;	2136	$self->update_buttons;
1800	Coro::cede;	2137	cf::cede_to_tick;
1801	$self->set_darkness_map;
1802	Coro::cede;
1803	$self->activate;	2138	$self->activate;
1804	}	2139	}
1805		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2145	}
1808		2146
1809	$self->post_load;	2147	$self->post_load;
1810	}	2148	}
1811		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
1812	sub customise_for {	2153	sub customise_for {
1813	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1814		2155
1815	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2157	if $self->per_player;
…		…
1820		2161
1821	$self	2162	$self
1822	}	2163	}
1823		2164
1824	# 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
1825	sub load_diag {	2166	sub load_neighbours {
1826	my ($map) = @_;	2167	my ($map) = @_;
1827		2168
1828	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1829		2170
1830	for (0 .. 3) {	2171	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1832	or next;	2173	or next;
1833	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1834	or next;	2175	or next;
1835	$neigh->load;	2176	$neigh->load;
1836		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2182	}
1840		2183
1841	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1843	or next;	2187	or next;
1844	$neigh->load;	2188	$neigh->load;
1845	}	2189	}
1846	}	2190	}
1847		2191
1848	sub find_sync {	2192	sub find_sync {
1849	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1850		2194
1851	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
1852	}	2199	}
1853		2200
1854	sub do_load_sync {	2201	sub do_load_sync {
1855	my ($map) = @_;	2202	my ($map) = @_;
1856		2203
1857	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;
1858	}	2208	}
1859		2209
1860	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1862		2212
1863	sub find_async {	2213	sub find_async {
1864	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1865		2215
1866	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1867		2217
1868	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2220	}
1871		2221
1872	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1873	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1874	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2229	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2230	$map->load if $v;
		2231	}
1879		2232
1880	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1881	}	2234	}
1882	}	2235	}
1883	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1884	};	2237	};
1885	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1886		2239
1887	()	2240	()
1888	}	2241	}
1889		2242
		2243	# common code, used by both ->save and ->swapout
1890	sub save {	2244	sub _save {
1891	my ($self) = @_;	2245	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2246
1895	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1896		2248
1897	return unless $self->dirty;	2249	return unless $self->dirty;
1898		2250
…		…
1904	return if $self->{deny_save};	2256	return if $self->{deny_save};
1905		2257
1906	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1907		2259
1908	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1910	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1911		2266
1912	if ($uniq) {	2267	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2270	} else {
1916	$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);
1917	}	2272	}
1918	}	2273	}
1919		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1920	sub swap_out {	2283	sub swap_out {
1921	my ($self) = @_;	2284	my ($self) = @_;
1922		2285
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1928	return if $self->players;	2290	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		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
1932	$self->clear;	2301	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2302	}
1935		2303
1936	sub reset_at {	2304	sub reset_at {
1937	my ($self) = @_;	2305	my ($self) = @_;
1938		2306
…		…
1956		2324
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2326
1959	return if $self->players;	2327	return if $self->players;
1960		2328
1961	warn "resetting map ", $self->path;	2329	cf::trace "resetting map ", $self->path, "\n";
1962		2330
1963	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1964		2332
1965	# need to save uniques path	2333	# need to save uniques path
1966	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1970	if $uniq;	2338	if $uniq;
1971	}	2339	}
1972		2340
1973	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1974		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2345	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2346
1979	$self->unlink_save;	2347	$self->unlink_save;
1980	$self->destroy;	2348	$self->destroy;
1981	}	2349	}
1982		2350
1983	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1984		2352
1985	sub nuke {	2353	sub nuke {
1986	my ($self) = @_;	2354	my ($self) = @_;
1987		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1988	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1989		2360
1990	$self->unlink_save;	2361	$self->unlink_save;
1991		2362
1992	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1993	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2368
1998	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1999		2371
2000	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
2001	}	2373	}
2002		2374
2003	=item $maps = cf::map::tmp_maps	2375	=item $maps = cf::map::tmp_maps
…		…
2045		2417
2046	sub unique_maps() {	2418	sub unique_maps() {
2047	[	2419	[
2048	map {	2420	map {
2049	utf8::decode $_;	2421	utf8::decode $_;
2050	/\.map$/	2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
2051	? normalise $_	2425	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2426	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2427	]
2055	}	2428	}
2056		2429
2057	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	}
2058		2461
2059	=back	2462	=back
2060		2463
2061	=head3 cf::object	2464	=head3 cf::object
2062		2465
…		…
2066		2469
2067	=over 4	2470	=over 4
2068		2471
2069	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
2070		2473
2071	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.
2072		2476
2073	=cut	2477	=cut
2074		2478
2075	sub inv_recursive_;	2479	sub inv_recursive_;
2076	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
2079		2483
2080	sub inv_recursive {	2484	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
2082	}	2486	}
2083		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
2084	package cf;	2516	package cf;
2085		2517
2086	=back	2518	=back
2087		2519
2088	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
2094	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>
2095	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
2096	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
2097		2529
2098	=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	};
2099		2545
2100	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2547	# with dialog boxes.
2102	#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
2103	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
2110		2556
2111	} else {	2557	} else {
2112	my $pl = $self->contr;	2558	my $pl = $self->contr;
2113		2559
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2561	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2563
2123	} else {	2564	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2567	}
2127	}	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 (@_);
2128	}	2579	}
2129		2580
2130	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
2131		2582
2132	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
2145		2596
2146	=item $player_object->enter_link	2597	=item $player_object->enter_link
2147		2598
2148	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}>).
2149		2600
2150	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.
2151	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.
2152		2605
2153	Will never block.	2606	Will never block.
2154		2607
2155	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
2156		2609
…		…
2176	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
2177	my ($self) = @_;	2630	my ($self) = @_;
2178		2631
2179	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
2180		2633
		2634	++$self->{_link_recursion};
		2635
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2637
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
2185		2640
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2642	}
2188		2643
2189	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
2191		2646
…		…
2208	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
2210		2665
2211	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
2214		2669
2215	$map->load;	2670	$map->load;
2216	$map->load_diag;	2671	$map->load_neighbours;
2217		2672
2218	return unless $self->contr->active;	2673	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2674
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
2223	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
2224		2682
		2683	}
		2684
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2226		2686
2227	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
2228	her, loading and preparing them map, calling the provided $check callback	2688	her, loading and preparing them map, calling the provided $check callback
2229	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
2230	the new (success) or old (failed) map position.	2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
2231		2695
2232	=cut	2696	=cut
2233		2697
2234	our $GOTOGEN;	2698	our $GOTOGEN;
2235		2699
2236	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
2238		2708
2239	# 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
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2711
2242	$self->enter_link;	2712	$self->enter_link;
2243		2713
2244	(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
2245	my $map = eval {	2736	my $map = eval {
2246	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
2247		2738
2248	if ($map) {	2739	if ($map) {
2249	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
2251	} else {	2742	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2744	}
2254		2745
2255	$map	2746	$map
2256	};	2747	};
2257		2748
…		…
2262		2753
2263	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
2266	}	2757	}
		2758
		2759	$done->($self) if $done;
2267	})->prio (1);	2760	})->prio (1);
2268	}	2761	}
2269		2762
2270	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
2271		2764
…		…
2291	}	2784	}
2292		2785
2293	sub prepare_random_map {	2786	sub prepare_random_map {
2294	my ($exit) = @_;	2787	my ($exit) = @_;
2295		2788
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2791	# that depends on the exit object
2301		2792
2302	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2795	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2309	}	2802	}
2310		2803
2311	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2312		2805
2313	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2316		2809
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2812	undef $fh;
2320	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2321		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2324	}	2821	}
2325	}	2822	}
2326		2823
2327	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2329		2826
2330	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2331		2828
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2829	$self->enter_link;
2344		2830
2345	(async {	2831	(async {
2346	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2347	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
2348	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2349		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
2350	1;	2855	1
2351	}) {	2856	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "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. "
2354	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2861
2357	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2358	$self->leave_link;	2863	$self->leave_link;
2359	}	2864	}
2360	})->prio (1);	2865	})->prio (1);
2361	}	2866	}
2362		2867
…		…
2376		2881
2377	utf8::encode $text;	2882	utf8::encode $text;
2378	$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);
2379	}	2884	}
2380		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2912
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2913	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2914	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	2915	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2916	the message unless the client supports the msg packet.
2387		2917
2388	=cut	2918	=cut
2389		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" => $CHAT_CHANNEL,
		3032	);
		3033
2390	sub cf::client::send_msg {	3034	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3035	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3036
2393	$msg = $self->pl->expand_cfpod ($msg);	3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
2394		3039
2395	if ($self->can_msg) {	3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2397	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407		3041
2408	if ($color >= 0) {	3042	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3043	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3044	$channel = $CHANNEL{$channel};
2411	} else {	3045
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3046	$self->ext_msg (channel_info => $channel);
2413	$self->send_packet ("drawinfo $color $msg")	3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
2414	}	3054	}
2415	}
2416	}
2417	}
2418		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
2419	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2420		3074
2421	Sends an ext event to the client.	3075	Sends an ext event to the client.
2422		3076
2423	=cut	3077	=cut
2424		3078
2425	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2427		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . cf::to_json \%msg);	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
2430	}	3106	}
2431		3107
2432	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2433		3109
2434	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
…		…
2457		3133
2458	1	3134	1
2459	}	3135	}
2460		3136
2461	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2462	on_reply => sub {	3143	on_reply => sub {
2463	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2464		3145
2465	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2466	# get handled first	3147	# get handled first
…		…
2481	}	3162	}
2482	},	3163	},
2483	on_exticmd => sub {	3164	on_exticmd => sub {
2484	my ($ns, $buf) = @_;	3165	my ($ns, $buf) = @_;
2485		3166
2486	my $msg = eval { from_json $buf };	3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2487		3168
2488	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
2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3177	if (my $cb = $EXTICMD{$type}) {
2490	if (my %reply = $cb->($ns, $msg)) {	3178	@reply = $cb->($ns, @payload);
2491	$reply{msgid} = $msg->{msgid};
2492	$ns->send ("ext " . cf::to_json \%reply);
2493	}
2494	}	3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
2495	} else {	3184	} else {
2496	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";
2497	}	3186	}
2498		3187
2499	cf::override;	3188	cf::override;
2500	},	3189	},
2501	);	3190	);
…		…
2521		3210
2522	$coro	3211	$coro
2523	}	3212	}
2524		3213
2525	cf::client->attach (	3214	cf::client->attach (
2526	on_destroy => sub {	3215	on_client_destroy => sub {
2527	my ($ns) = @_;	3216	my ($ns) = @_;
2528		3217
2529	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2530	},	3219	},
2531	);	3220	);
…		…
2546	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2547	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2548		3237
2549	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2550		3239
2551	$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	));
2552		3245
2553	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2554		3247
2555	=pod	3248	=pod
2556		3249
2557	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2558		3251
2559	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2560	cf::object::player player	3257	cf::object::player
2561	cf::player peaceful	3258	player
2562	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2563		3265
2564	=cut	3266	=cut
2565		3267
2566	for (	3268	for (
2567	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2568	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2569	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2570	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2571	) {	3275	) {
2572	no strict 'refs';
2573	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2574	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2575	for @funs;	3278	for @funs;
2576	}	3279	}
2577		3280
…		…
2592		3295
2593	my $qcode = $code;	3296	my $qcode = $code;
2594	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2595	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2596		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2597	local $_;	3303	local $_;
2598	local @safe::cf::_safe_eval_args = values %vars;
2599		3304
2600	my $eval =	3305	my $eval =
2601	"do {\n"	3306	"do {\n"
2602	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2603	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2604	. $code	3309	. $code
2605	. "\n}"	3310	. "\n}"
2606	;	3311	;
2607		3312
		3313	if ($CFG{safe_eval}) {
2608	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2609	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2610	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	}
2611		3322
2612	if ($@) {	3323	if ($@) {
2613	warn "$@";	3324	warn "$@",
2614	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2615	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2616	}	3327	}
2617		3328
2618	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2619	}	3330	}
2620		3331
…		…
2634	=cut	3345	=cut
2635		3346
2636	sub register_script_function {	3347	sub register_script_function {
2637	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2638		3349
2639	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2640	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2641	}	3352	}
2642		3353
2643	=back	3354	=back
2644		3355
2645	=cut	3356	=cut
…		…
2648	# the server's init and main functions	3359	# the server's init and main functions
2649		3360
2650	sub load_facedata($) {	3361	sub load_facedata($) {
2651	my ($path) = @_;	3362	my ($path) = @_;
2652		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
2653	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2654		3371
2655	my $facedata;	3372	my $facedata;
2656	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2657	or die "$path: $!";	3374	or die "$path: $!";
2658		3375
2659	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2660		3377
2661	$facedata->{version} == 2	3378	$facedata->{version} == 2
2662	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2663		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
2664	{	3390	{
2665	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2666		3392
2667	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2672	Coro::cede;	3400
		3401	cf::cede_to_tick;
2673	}	3402	}
2674		3403
2675	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2676	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2677	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2678	or next;	3408	or next;
		3409
2679	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2681	} else {	3413	} else {
2682	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2683	}	3415	}
2684	Coro::cede;	3416
		3417	cf::cede_to_tick;
2685	}	3418	}
2686	}	3419	}
2687		3420
2688	{	3421	{
2689	my $anims = $facedata->{animinfo};	3422	my $anims = $facedata->{animinfo};
2690		3423
2691	while (my ($anim, $info) = each %$anims) {	3424	while (my ($anim, $info) = each %$anims) {
2692	cf::anim::set $anim, $info->{frames}, $info->{facings};	3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
2693	Coro::cede;	3426	cf::cede_to_tick;
2694	}	3427	}
2695		3428
2696	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2697	}	3430	}
2698		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
2699	1	3451	1
2700	}	3452	}
2701		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
2702	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
2703	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2704	or die "unable to load regions file\n";	3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
2705	}	3484	}
2706		3485
2707	sub reload_facedata {	3486	sub reload_facedata {
2708	load_facedata "$DATADIR/facedata"	3487	load_facedata "$DATADIR/facedata"
2709	or die "unable to load facedata\n";	3488	or die "unable to load facedata\n";
…		…
2717	sub reload_treasures {	3496	sub reload_treasures {
2718	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2719	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2720	}	3499	}
2721		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
2722	sub reload_resources {	3524	sub reload_resources {
2723	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2724		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2725	reload_regions;	3530	reload_regions;
2726	reload_facedata;
2727	#reload_archetypes;#d#
2728	reload_archetypes;
2729	reload_treasures;	3531	reload_treasures;
2730		3532
2731	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2732	}	3534	}
2733		3535
2734	sub init {	3536	sub reload_config {
2735	reload_resources;	3537	trace "reloading config file...\n";
2736	}
2737		3538
2738	sub cfg_load {
2739	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2740	or return;	3540	or return;
2741		3541
2742	local $/;	3542	local $/;
2743	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2744		3544
2745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2746		3546
2747	$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};
2748	$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};
2749		3549
2750	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2752	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2753	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2754	};	3554	};
2755	warn $@ if $@;	3555	warn $@ if $@;
2756	}	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;
2757	}	3587	}
2758		3588
2759	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
2760	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2761	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2762	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#
2763	(async {	3602	(async {
2764	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2765	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2766	};	3606	};
2767		3607
2768	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;
2769	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
2770	load_extensions;	3631	load_extensions;
2771		3632
2772	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2773	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;
2774	}	3646	}
2775		3647
2776	#############################################################################	3648	#############################################################################
2777	# initialisation and cleanup	3649	# initialisation and cleanup
2778		3650
2779	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2780	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2781	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2782	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2783	reentrant => 0,
2784	data => WF_AUTOCANCEL,
2785	signal => $signal,
2786	prio => 0,
2787	cb => sub {
2788	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2789	},
2790	);	3657	};
2791	}	3658	}
2792	}	3659	}
2793		3660
2794	sub write_runtime {	3661	sub write_runtime_sync {
2795	my $runtime = "$LOCALDIR/runtime";	3662	my $t0 = AE::time;
2796		3663
2797	# first touch the runtime file to show we are still running:	3664	# first touch the runtime file to show we are still running:
2798	# the fsync below can take a very very long time.	3665	# the fsync below can take a very very long time.
2799		3666
2800	IO::AIO::aio_utime $runtime, undef, undef;	3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2801		3668
2802	my $guard = cf::lock_acquire "write_runtime";	3669	my $guard = cf::lock_acquire "write_runtime";
2803		3670
2804	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2805	or return;	3672	or return;
2806		3673
2807	my $value = $cf::RUNTIME + 90 + 10;	3674	my $value = $cf::RUNTIME + 90 + 10;
2808	# 10 is the runtime save interval, for a monotonic clock	3675	# 10 is the runtime save interval, for a monotonic clock
2809	# 60 allows for the watchdog to kill the server.	3676	# 60 allows for the watchdog to kill the server.
…		…
2819	aio_utime $fh, undef, undef;	3686	aio_utime $fh, undef, undef;
2820		3687
2821	close $fh	3688	close $fh
2822	or return;	3689	or return;
2823		3690
2824	aio_rename "$runtime~", $runtime	3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2825	and return;	3692	and return;
2826		3693
2827	warn "runtime file written.\n";	3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2828		3695
2829	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 };
2830	}	3747	}
2831		3748
2832	sub emergency_save() {	3749	sub emergency_save() {
2833	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2834		3751
2835	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;
2836		3758
2837	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2838	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2839	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2840	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2841	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2842	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2843	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2844	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2845	$pl->save;	3770	$pl->save;
2846	}	3771	}
2847	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2848		3773
2849	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";
2850	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2851	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2852	$map->valid or next;	3779	$map->valid or next;
2853	$map->save;	3780	$map->save;
2854	}	3781	}
2855	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2856		3783
2857	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";
2858	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2859	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
2860	};	3812	};
2861		3813
2862	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2863	}	3815	}
2864		3816
2865	sub post_cleanup {	3817	sub post_cleanup {
2866	my ($make_core) = @_;	3818	my ($make_core) = @_;
2867		3819
		3820	IO::AIO::flush;
		3821
2868	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2869	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	}
2870	}	3852	}
2871		3853
2872	sub do_reload_perl() {	3854	sub do_reload_perl() {
2873	# can/must only be called in main	3855	# can/must only be called in main
2874	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2875	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2876	return;	3858	return;
2877	}	3859	}
2878		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2879	warn "reloading...";	3866	info "reloading...";
2880		3867
2881	warn "entering sync_job";	3868	trace "entering sync_job";
2882		3869
2883	cf::sync_job {	3870	cf::sync_job {
2884	cf::write_runtime; # external watchdog should not bark
2885	cf::emergency_save;	3871	cf::emergency_save;
2886	cf::write_runtime; # external watchdog should not bark
2887		3872
2888	warn "syncing database to disk";
2889	BDB::db_env_txn_checkpoint $DB_ENV;
2890
2891	# if anything goes wrong in here, we should simply crash as we already saved
2892
2893	warn "cancelling all WF_AUTOCANCEL watchers";
2894	for (Event::all_watchers) {
2895	$_->cancel if $_->data & WF_AUTOCANCEL;
2896	}
2897
2898	warn "flushing outstanding aio requests";
2899	for (;;) {
2900	BDB::flush;
2901	IO::AIO::flush;
2902	Coro::cede;
2903	last unless IO::AIO::nreqs || BDB::nreqs;
2904	warn "iterate...";
2905	}
2906
2907	++$RELOAD;
2908
2909	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2910	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2911	%EXT_CORO = ();	3875	%EXT_CORO = ();
2912		3876
2913	warn "removing commands";	3877	trace "removing commands";
2914	%COMMAND = ();	3878	%COMMAND = ();
2915		3879
2916	warn "removing ext/exti commands";	3880	trace "removing ext/exti commands";
2917	%EXTCMD = ();	3881	%EXTCMD = ();
2918	%EXTICMD = ();	3882	%EXTICMD = ();
2919		3883
2920	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2921	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2922	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2923		3887
2924	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2925	eval {	3889	eval {
2926	$cb->($pkg);	3890	$cb->($pkg);
2927	1	3891	1
2928	} 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;
2929	}	3897	}
2930		3898
2931	warn "... nuking $pkg";
2932	Symbol::delete_package $pkg;
2933	}
2934
2935	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2936	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2937	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2938		3902
2939	warn "... unloading $k";	3903	trace "... unloading $k";
2940	delete $INC{$k};	3904	delete $INC{$k};
2941		3905
2942	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2943	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2944		3908
2945	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2946	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2947	}	3914	}
2948		3915
2949	Symbol::delete_package $k;
2950	}
2951
2952	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2953	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2954	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);
2955		3919
2956	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2957	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
2958	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2959		3923
2960	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2961	# and global variables created in xs	3925	# and global variables created in xs
2962	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2963		3927
2964	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2965		3929
2966	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2967	require cf;	3931	require cf;
2968	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2969		3933
2970	warn "loading config and database again";	3934	trace "loading config and database again";
2971	cf::cfg_load;	3935	cf::reload_config;
2972		3936
2973	warn "loading extensions";	3937	trace "loading extensions";
2974	cf::load_extensions;	3938	cf::load_extensions;
2975		3939
		3940	if ($REATTACH_ON_RELOAD) {
2976	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2977	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2978	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2979	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2980	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2981	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2982		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
2983	warn "leaving sync_job";	3952	trace "leaving sync_job";
2984		3953
2985	1	3954	1
2986	} or do {	3955	} or do {
2987	warn $@;	3956	error $@;
2988	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2989	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
2990	};	3962	}
2991		3963
2992	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
2993	};	3966	};
2994		3967
2995	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
2996		3969
2997	sub reload_perl() {	3970	sub reload_perl() {
2998	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
2999	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
3000		3973
3001	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
3002	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
3003	after => 0,	3976
3004	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3005	cb => sub {
3006	do_reload_perl;	3978	do_reload_perl;
3007	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
3008	},	3980	};
3009	);	3981	};
3010	}	3982	}
3011		3983
3012	register_command "reload" => sub {	3984	register_command "reload" => sub {
3013	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
3014		3986
3015	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
3016	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
3017	async { reload_perl };	3991	reload_perl;
		3992	};
3018	}	3993	}
3019	};	3994	};
3020		3995
3021	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
3022		3997
…		…
3024		3999
3025	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
3026	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
3027		4002
3028	sub wait_for_tick {	4003	sub wait_for_tick {
3029	return unless $TICK_WATCHER->is_active;
3030	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3031		4005
3032	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
3033	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
3034	$signal->wait;	4008	$signal->wait;
3035	}	4009	}
3036		4010
3037	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
3038	return unless $TICK_WATCHER->is_active;
3039	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3040		4013
3041	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
3042	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
3043	$signal->wait;	4016	$signal->wait;
3044	}	4017	}
3045		4018
3046	my $min = 1e6;#d#	4019	sub tick {
3047	my $avg = 10;
3048	$TICK_WATCHER = Event->timer (
3049	reentrant => 0,
3050	parked => 1,
3051	prio => 0,
3052	at => $NEXT_TICK || $TICK,
3053	data => WF_AUTOCANCEL,
3054	cb => sub {
3055	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
3056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3057	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
3058	return;	4023	return;
3059	}	4024	}
3060		4025
3061	$NOW = $tick_start = Event::time;
3062
3063	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
3064		4027
3065	0 && sync_job {#d#	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3066	for(1..10) {
3067	my $t = Event::time;
3068	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3069	or die;
3070		4029
3071	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3072	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3073	$map->alloc;	4032	Coro::async_pool {
3074	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
3075	my $t = Event::time - $t;	4034	write_runtime_sync
3076		4035	or error "ERROR: unable to write runtime file: $!";
3077	#next unless $t < 0.0013;#d#
3078	if ($t < $min) {
3079	$min = $t;
3080	}
3081	$avg = $avg * 0.99 + $t * 0.01;
3082	}
3083	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3084	exit 0;
3085	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3086	};	4036	};
		4037	}
3087		4038
3088	$RUNTIME += $TICK;
3089	$NEXT_TICK += $TICK;
3090
3091	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3092	$NEXT_RUNTIME_WRITE = $NOW + 10;
3093	Coro::async_pool {
3094	write_runtime
3095	or warn "ERROR: unable to write runtime file: $!";
3096	};
3097	}
3098
3099	# my $AFTER = Event::time;
3100	# warn $AFTER - $NOW;#d#
3101
3102	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3103	$sig->send;	4040	$sig->send;
3104	}	4041	}
3105	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
3106	$sig->send;	4043	$sig->send;
3107	}	4044	}
3108		4045
3109	$NOW = Event::time;	4046	$LOAD = ($NOW - $TICK_START) / $TICK;
3110
3111	# if we are delayed by four ticks or more, skip them all
3112	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3113
3114	$TICK_WATCHER->at ($NEXT_TICK);
3115	$TICK_WATCHER->start;
3116
3117	$LOAD = ($NOW - $tick_start) / $TICK;
3118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3119		4048
3120	_post_tick;	4049	if (0) {
3121		4050	if ($NEXT_TICK) {
3122		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
3123	},	4055	}
3124	);	4056	}
3125		4057
3126	{	4058	{
3127	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
3128	$BDB_POLL_WATCHER = Event->io (	4060
3129	reentrant => 0,
3130	fd => BDB::poll_fileno,
3131	poll => 'r',
3132	prio => 0,
3133	data => WF_AUTOCANCEL,
3134	cb => \&BDB::poll_cb,
3135	);
3136	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
3137		4062	BDB::max_poll_reqs $TICK * 0.1;
3138	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
3139	my $status;
3140	my $current = $Coro::current;
3141	(
3142	sub {
3143	$status = $!;
3144	$current->ready; undef $current;
3145	},
3146	sub {
3147	Coro::schedule while defined $current;
3148	$! = $status;
3149	},
3150	)
3151	};
3152		4064
3153	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
3154	$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);
3155		4072
3156	cf::sync_job {	4073	cf::sync_job {
3157	eval {	4074	eval {
3158	BDB::db_env_open	4075	BDB::db_env_open
3159	$DB_ENV,	4076	$DB_ENV,
…		…
3161	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3162	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3163	0666;	4080	0666;
3164		4081
3165	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3166
3167	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3168	$DB_ENV->set_lk_detect;
3169	};	4083	};
3170		4084
3171	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
3172	};	4086	};
3173	}	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	};
3174	}	4098	}
3175		4099
3176	{	4100	{
		4101	# configure IO::AIO
		4102
3177	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
3178
3179	undef $Coro::AIO::WATCHER;
3180	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
3181	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
3182	reentrant => 0,
3183	data => WF_AUTOCANCEL,
3184	fd => IO::AIO::poll_fileno,
3185	poll => 'r',
3186	prio => 6,
3187	cb => \&IO::AIO::poll_cb,
3188	);
3189	}	4106	}
3190		4107
3191	my $_log_backtrace;	4108	my $_log_backtrace;
3192		4109
3193	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
3196	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
3197		4114
3198	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
3199	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
3200	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
3201	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
3202	my @bt = fork_call {	4122	my @bt = fork_call {
3203	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3204	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3205	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 |"
3206	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3214	}	4134	}
3215		4135
3216	@funcs	4136	@funcs
3217	};	4137	};
3218		4138
3219	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3220	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3221	--$_log_backtrace;	4142	--$_log_backtrace;
3222	};	4143	};
3223	} else {	4144	} else {
3224	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3225	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3226	}	4147	}
3227	}	4148	}
3228		4149
3229	# load additional modules	4150	# load additional modules
3230	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3231		4153
3232	END { cf::emergency_save }	4154	END { cf::emergency_save }
3233		4155
3234	1	4156	1
3235		4157

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