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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	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	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$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		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
171	=back	253	=back
172		254
173	=cut	255	=cut
174		256
175	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	264	my $msg = join "", @_;
178		265
179	$msg .= "\n"	266	$msg .= "\n"
180	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
181		268
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		270
184	utf8::encode $msg;
185	LOG llevError, $msg;	271	LOG llevWarn, $msg;
186	};	272	};
187	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
188		287
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	298	for my $pkg (qw(
200	cf::global cf::attachable	299	cf::global cf::attachable
201	cf::object cf::object::player	300	cf::object cf::object::player
202	cf::client cf::player	301	cf::client cf::player
203	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
204	cf::map cf::party cf::region	304	cf::party cf::region
205	)) {	305	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	307	}
209		308
210	$Event::DIED = sub {	309	$EV::DIED = sub {
211	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
212	};	311	};
213		312
214	#############################################################################	313	#############################################################################
215		314
216	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	338	$d
240	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
241	}	340	}
242		341
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
251	=cut	350	=cut
252		351
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		353
255	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
257		370
258	=item cf::lock_wait $string	371	=item cf::lock_wait $string
259		372
260	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
261		374
262	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
263		376
264	Wait until the given lock is available and then acquires it and returns	377	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,	378	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	379	for example when the coroutine gets canceled), the lock is automatically
267	returned.	380	returned.
268		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
269	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
271		387
272	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
273		389
274	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
275		391
276	=cut	392	=cut
277		393
278	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
279		395
280	sub lock_wait($) {	396	sub lock_wait($) {
281	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	398	}
289		399
290	sub lock_acquire($) {	400	sub lock_acquire($) {
291	my ($key) = @_;	401	$LOCKS->guard ($_[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	}	402	}
303		403
304	sub lock_active($) {	404	sub lock_active($) {
305	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	406	}
309		407
310	sub freeze_mainloop {	408	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
312		410
313	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
315	};	478	}
316	$TICK_WATCHER->stop;	479	};
317	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
318	}	494	}
319		495
320	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
321		497
322	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		503
328	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
329		505
330	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
331		507
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	511	acceptable.
336		512
337	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		519
344	sub sync_job(&) {	520	sub sync_job(&) {
345	my ($job) = @_;	521	my ($job) = @_;
346		522
347	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	524	my $time = AE::time;
349		525
350	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
352		528
353	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	530
355	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
356		532
357	my $busy = 1;	533	my $busy = 1;
358	my @res;	534	my @res;
359		535
360	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	538	@res = eval { $job->() };
362	warn $@ if $@;	539	error $@ if $@;
363	undef $busy;	540	undef $busy;
364	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
365		542
366	while ($busy) {	543	while ($busy) {
367	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
368	}	548	}
		549	}
369		550
370	$time = Event::time - $time;	551	my $time = AE::time - $time;
371		552
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	553	$TICK_START += $time; # do not account sync jobs to server load
376		554
377	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
378	} else {	556	} else {
379	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
380		558
…		…
405	=item fork_call { }, $args	583	=item fork_call { }, $args
406		584
407	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
411		589
412	=cut	590	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		591
423	sub fork_call(&@) {	592	sub fork_call(&@) {
424	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
425		594
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		598
431	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	600	reset_signals;
445	local $SIG{__WARN__};	601	&$cb
446	local $SIG{__DIE__};	602	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		603
453	eval {	604	wantarray ? @res : $res[-1]
454	close $fh1;	605	}
455		606
456	my @res = eval { $cb->(@args) };	607	sub objinfo {
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
465	}	643	}
466		644
467	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
468		646
469	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
472		650
473	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
476	=cut	659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
477		677
478	our $DB;	678	our $DB;
479		679
480	sub db_init {	680	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	681	cf::sync_job {
485	eval {	682	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	683	};
495	}	684	}
496		685
497	sub db_get($$) {	686	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
499		688
…		…
549	if (1) {	738	if (1) {
550	$md5 =	739	$md5 =
551	join "\x00",	740	join "\x00",
552	$processversion,	741	$processversion,
553	map {	742	map {
554	Coro::cede;	743	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	745	} 0.. $#$src;
557		746
558		747
559	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		755
567	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	757	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
570		759
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		761
573	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
576		765
…		…
586		775
587	=cut	776	=cut
588		777
589	sub datalog($@) {	778	sub datalog($@) {
590	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	781	}
593		782
594	=back	783	=back
595		784
596	=cut	785	=cut
597		786
598	#############################################################################	787	#############################################################################
599		788
600	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
601		790
602	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
603	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")
604	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
605		794
606	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>
607	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
608	Crossfire TRT).	797	Deliantra).
609		798
610	=over 4	799	=over 4
611		800
612	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
613		802
…		…
657	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
658		847
659	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
660	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
661		850
662	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
664		853
665	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
666		855
667	=over 4	856	=over 4
…		…
791		980
792	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		983
795	} elsif (ref $type) {	984	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
797		986
798	} else {	987	} else {
799	shift @arg;	988	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
801	}	990	}
802	}	991	}
803	}	992	}
804		993
805	sub _object_attach {	994	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
816	}	1005	}
817		1006
818	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
819	} else {	1008	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1010	}
822		1011
823	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
824	}	1013	}
825		1014
…		…
865	";	1054	";
866	die if $@;	1055	die if $@;
867	}	1056	}
868		1057
869	our $override;	1058	our $override;
870	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?
871		1060
872	sub override {	1061	sub override {
873	$override = 1;	1062	$override = 1;
874	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
875	}	1064	}
876		1065
877	sub do_invoke {	1066	sub do_invoke {
878	my $event = shift;	1067	my $event = shift;
879	my $callbacks = shift;	1068	my $callbacks = shift;
880		1069
881	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
882		1071
883	local $override;	1072	local $override;
884		1073
885	for (@$callbacks) {	1074	for (@$callbacks) {
886	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
887		1076
888	if ($@) {	1077	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1079	override;
892	}	1080	}
893		1081
894	return 1 if $override;	1082	return 1 if $override;
895	}	1083	}
896		1084
897	0	1085	0
898	}	1086	}
899		1087
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1089
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1091
904	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
905		1093
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1097
910	=back	1098	=back
911		1099
912	=cut	1100	=cut
913		1101
914	#############################################################################	1102	#############################################################################
915	# 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	}
916		1146
917	sub reattach {	1147	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1149	my ($obj) = @_;
920		1150
		1151	# no longer needed after getting rid of delete_package?
921	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
922		1153
923	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
924		1155
925	@$registry = ();	1156	@$registry = ();
926		1157
…		…
931	for (@$attach) {	1162	for (@$attach) {
932	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
934	}	1165	}
935	} else {	1166	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1168	}
938	}	1169	}
939	}	1170	}
940		1171
941	cf::attachable->attach (	1172	cf::attachable->attach (
942	prio => -1000000,	1173	prio => -1000000,
943	on_instantiate => sub {	1174	on_instantiate => sub {
944	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
945		1176
946	$data = from_json $data;	1177	$data = decode_json $data;
947		1178
948	for (@$data) {	1179	for (@$data) {
949	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
950		1181
951	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1198	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
969		1200
970	sync_job {	1201	sync_job {
971	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
974		1207
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	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	}
979	close $fh;	1215	aio_close $fh;
980		1216
981	if (@$objs) {	1217	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
986	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	}
987	close $fh;	1226	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
989	}	1228	}
990	} else {	1229	} else {
991	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
992	}	1231	}
993		1232
994	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1237	} else {
996	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
997	}	1239	}
998	} else {	1240	} else {
999	aio_unlink $filename;	1241	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1001	}	1243	}
1002	}	1244	};
1003	}	1245	}
1004		1246
1005	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1007		1249
…		…
1019	or return;	1261	or return;
1020		1262
1021	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1265	or return;
		1266
1024	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1025	}	1269	}
1026		1270
		1271	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1029	return ($data, $av);	1276	($data, $av)
1030	}	1277	}
1031		1278
1032	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1033		1280
1034	=over 4	1281	=over 4
…		…
1088	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1089		1336
1090	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1091	}	1338	}
1092		1339
		1340	use File::Glob ();
		1341
1093	cf::player->attach (	1342	cf::player->attach (
1094	on_command => sub {	1343	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1096		1345
1097	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1098	or return;	1347	or return;
1099		1348
…		…
1107	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1108		1357
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1359
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1117	} else {	1375	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1377	}
1120		1378
1121	cf::override;	1379	cf::override;
1122	},	1380	},
1123	);	1381	);
1124		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
1125	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1126	cf::sync_job {	1399	cf::sync_job {
1127	my %todo;	1400	my %todo;
1128		1401
1129	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1403	next unless -r $path;
…		…
1148		1421
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1424
1152	$ext{source} =	1425	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1155	. $source	1428	. $source
1156	. "\n};\n1";	1429	. "\n};\n1";
1157		1430
1158	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1159	}	1432	}
1160		1433
		1434	my $pass = 0;
1161	my %done;	1435	my %done;
1162	while (%todo) {	1436	while (%todo) {
1163	my $progress;	1437	my $progress;
1164		1438
		1439	++$pass;
		1440
		1441	ext:
1165	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1444	next ext
1168	unless exists $done{$_};	1445	unless exists $done{$_};
1169	}	1446	}
1170		1447
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1449
1173	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1178	warn $msg;	1457
1179	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1459	delete $todo{$k};
1181	}	1460	} else {
1182		1461	$done{$k} = delete $todo{$k};
1183	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1184	}	1467	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1468	}
1190		1469
1191	skip:	1470	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	unless $progress;	1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
1194	}	1478	}
1195	};	1479	};
1196	}	1480	}
1197		1481
1198	#############################################################################	1482	#############################################################################
1199		1483
1200	=back	1484	=back
1201		1485
1202	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1203		1487
1204	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1205		1489
1206	=cut	1490	=cut
1207		1491
1208	package cf::player;	1492	package cf::player;
1209		1493
1210	use Coro::AIO;	1494	use Coro::AIO;
1211		1495
1212	=head3 cf::player	1496	=head3 cf::player
1213		1497
1214	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1215		1513
1216	=item cf::player::find $login	1514	=item cf::player::find $login
1217		1515
1218	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1219		1517
…		…
1238		1536
1239	sub exists($) {	1537	sub exists($) {
1240	my ($login) = @_;	1538	my ($login) = @_;
1241		1539
1242	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1244	}	1542	}
1245		1543
1246	sub find($) {	1544	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1546	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1557
1260	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1263	}	1567	}
1264	}	1568	}
1265	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1266		1583
1267	sub save($) {	1584	sub save($) {
1268	my ($pl) = @_;	1585	my ($pl) = @_;
1269		1586
1270	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1276		1593
1277	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1279		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1280	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1281	Coro::cede;	1603	cf::cede_to_tick;
1282	}	1604	}
1283		1605
1284	sub new($) {	1606	sub new($) {
1285	my ($login) = @_;	1607	my ($login) = @_;
1286		1608
…		…
1292	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1293		1615
1294	$self	1616	$self
1295	}	1617	}
1296		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1297	=item $pl->quit_character	1629	=item $pl->quit_character
1298		1630
1299	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1301		1633
…		…
1305	my ($pl) = @_;	1637	my ($pl) = @_;
1306		1638
1307	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1308		1640
1309	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1643
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1316		1649
1317	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1687	or return [];
1355		1688
1356	my @logins;	1689	my @logins;
1357		1690
1358	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1362		1701
1363	utf8::decode $login;	1702	utf8::decode $login;
1364	push @logins, $login;	1703	push @logins, $login;
1365	}	1704	}
1366		1705
1367	\@logins	1706	\@logins
1368	}	1707	}
1369		1708
1370	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1371		1712
1372	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1373	player. May block.	1714	player. May block.
1374		1715
1375	=cut	1716	=cut
…		…
1393	}	1734	}
1394		1735
1395	\@paths	1736	\@paths
1396	}	1737	}
1397		1738
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1740
1400	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1401		1742
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1449		1744
1450	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1451		1746
1452	=cut	1747	=cut
1453		1748
1454	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1456		1751
1457	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1753	}
1460		1754
1461	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1462		1756
1463	Sends an ext event to the client.	1757	Sends an ext event to the client.
1464		1758
1465	=cut	1759	=cut
1466		1760
1467	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1469		1763
1470	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1471	}	1765	}
1472		1766
1473	=head3 cf::region	1767	=head3 cf::region
1474		1768
1475	=over 4	1769	=over 4
…		…
1485	=cut	1779	=cut
1486		1780
1487	sub find_by_path($) {	1781	sub find_by_path($) {
1488	my ($path) = @_;	1782	my ($path) = @_;
1489		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1490	my ($match, $specificity);	1786	my ($match, $specificity);
1491		1787
1492	for my $region (list) {	1788	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1496	}	1792	}
1497	}	1793	}
1498		1794
…		…
1519	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1521		1817
1522	sub generate_random_map {	1818	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1524	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1824	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1554		1853
1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556	}	1855	}
1557		1856
1558	# also paths starting with '/'	1857	# also paths starting with '/'
1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1560		1859
1561	sub thawer_merge {	1860	sub thawer_merge {
1562	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1563		1862
1564	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1618	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1619	return $self;	1918	return $self;
1620	}	1919	}
1621	}	1920	}
1622		1921
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1923	()
1625	}	1924	}
1626		1925
1627	sub init {	1926	sub init {
1628	my ($self) = @_;	1927	my ($self) = @_;
…		…
1650		1949
1651	# the temporary/swap location	1950	# the temporary/swap location
1652	sub save_path {	1951	sub save_path {
1653	my ($self) = @_;	1952	my ($self) = @_;
1654		1953
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1657	}	1956	}
1658		1957
1659	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1660	sub uniq_path {	1959	sub uniq_path {
1661	my ($self) = @_;	1960	my ($self) = @_;
1662		1961
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	1964	}
1675		1965
1676	sub decay_objects {	1966	sub decay_objects {
1677	my ($self) = @_;	1967	my ($self) = @_;
1678		1968
…		…
1691		1981
1692	sub load_header_from($) {	1982	sub load_header_from($) {
1693	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1694		1984
1695	utf8::encode $path;	1985	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	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;
1701		1994
1702	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1703		1996
1704	1	1997	1
1705	}	1998	}
…		…
1759	sub find {	2052	sub find {
1760	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1761		2054
1762	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1763		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2059
1766	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1769	or return;	2062	or return;
1770		2063
1771	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1772		2065
…		…
1774	or return;	2067	or return;
1775		2068
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1779	$map->reset;	2074	$map->reset;
1780	undef $guard;
1781	return find $path;	2075	return find $path;
1782	}	2076	}
1783		2077
1784	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1785	}	2079	}
1786	}	2080	}
1787		2081
1788	sub pre_load { }	2082	sub pre_load { }
1789	sub post_load { }	2083	#sub post_load { } # XS
1790		2084
1791	sub load {	2085	sub load {
1792	my ($self) = @_;	2086	my ($self) = @_;
1793		2087
1794	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1795		2089
1796	my $path = $self->{path};	2090	my $path = $self->{path};
1797		2091
1798	{	2092	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1800		2094
		2095	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2097
1803	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1804		2099
1805	$self->alloc;	2100	$self->alloc;
1806		2101
1807	$self->pre_load;	2102	$self->pre_load;
1808	Coro::cede;	2103	cf::cede_to_tick;
1809		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1811	or return;	2108	or return;
1812		2109
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1814	if delete $self->{load_original};	2111	if delete $self->{load_original};
1815		2112
1816	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2114	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2117	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1821	}	2121	}
1822	}	2122	}
1823		2123
1824	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1825	# now do the right thing for maps	2127	# now do the right thing for maps
1826	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2130	unless $self->difficulty;
1829	Coro::cede;	2131	cf::cede_to_tick;
1830		2132
1831	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2134	$self->decay_objects;
1833	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1834	$self->update_buttons;	2136	$self->update_buttons;
1835	Coro::cede;	2137	cf::cede_to_tick;
1836	$self->set_darkness_map;
1837	Coro::cede;
1838	$self->activate;	2138	$self->activate;
1839	}	2139	}
1840		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2145	}
1843		2146
1844	$self->post_load;	2147	$self->post_load;
1845	}	2148	}
1846		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
1847	sub customise_for {	2153	sub customise_for {
1848	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1849		2155
1850	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2157	if $self->per_player;
…		…
1855		2161
1856	$self	2162	$self
1857	}	2163	}
1858		2164
1859	# 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
1860	sub load_diag {	2166	sub load_neighbours {
1861	my ($map) = @_;	2167	my ($map) = @_;
1862		2168
1863	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1864		2170
1865	for (0 .. 3) {	2171	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1867	or next;	2173	or next;
1868	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1869	or next;	2175	or next;
1870	$neigh->load;	2176	$neigh->load;
1871		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2182	}
1875		2183
1876	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1878	or next;	2187	or next;
1879	$neigh->load;	2188	$neigh->load;
1880	}	2189	}
1881	}	2190	}
1882		2191
…		…
1887	}	2196	}
1888		2197
1889	sub do_load_sync {	2198	sub do_load_sync {
1890	my ($map) = @_;	2199	my ($map) = @_;
1891		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1892	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1893	}	2205	}
1894		2206
1895	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1897		2209
1898	sub find_async {	2210	sub find_async {
1899	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1900		2212
1901	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1902		2214
1903	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2217	}
1906		2218
1907	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1908	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1909	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2226	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2227	$map->load if $v;
		2228	}
1914		2229
1915	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1916	}	2231	}
1917	}	2232	}
1918	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1919	};	2234	};
1920	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1921		2236
1922	()	2237	()
1923	}	2238	}
1924		2239
		2240	# common code, used by both ->save and ->swapout
1925	sub save {	2241	sub _save {
1926	my ($self) = @_;	2242	my ($self) = @_;
1927
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1929		2243
1930	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1931		2245
1932	return unless $self->dirty;	2246	return unless $self->dirty;
1933		2247
…		…
1939	return if $self->{deny_save};	2253	return if $self->{deny_save};
1940		2254
1941	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1942		2256
1943	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1945	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1946		2263
1947	if ($uniq) {	2264	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2267	} else {
1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1952	}	2269	}
1953	}	2270	}
1954		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1955	sub swap_out {	2280	sub swap_out {
1956	my ($self) = @_;	2281	my ($self) = @_;
1957		2282
1958	# save first because save cedes
1959	$self->save;
1960
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1963	return if $self->players;	2287	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};
1966		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1967	$self->clear;	2298	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2299	}
1970		2300
1971	sub reset_at {	2301	sub reset_at {
1972	my ($self) = @_;	2302	my ($self) = @_;
1973		2303
…		…
1991		2321
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2323
1994	return if $self->players;	2324	return if $self->players;
1995		2325
1996	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
1997		2327
1998	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1999		2329
2000	# need to save uniques path	2330	# need to save uniques path
2001	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
2005	if $uniq;	2335	if $uniq;
2006	}	2336	}
2007		2337
2008	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
2009		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2342	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2343
2014	$self->unlink_save;	2344	$self->unlink_save;
2015	$self->destroy;	2345	$self->destroy;
2016	}	2346	}
2017		2347
2018	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2019		2349
2020	sub nuke {	2350	sub nuke {
2021	my ($self) = @_;	2351	my ($self) = @_;
2022		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2023	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2024		2357
2025	$self->unlink_save;	2358	$self->unlink_save;
2026		2359
2027	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2028	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2365
2033	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2034		2368
2035	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2036	}	2370	}
2037		2371
2038	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2080		2414
2081	sub unique_maps() {	2415	sub unique_maps() {
2082	[	2416	[
2083	map {	2417	map {
2084	utf8::decode $_;	2418	utf8::decode $_;
2085	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2086	? normalise $_	2422	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2424	]
2090	}	2425	}
2091		2426
2092	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
2093		2458
2094	=back	2459	=back
2095		2460
2096	=head3 cf::object	2461	=head3 cf::object
2097		2462
…		…
2101		2466
2102	=over 4	2467	=over 4
2103		2468
2104	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2105		2470
2106	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
2107		2473
2108	=cut	2474	=cut
2109		2475
2110	sub inv_recursive_;	2476	sub inv_recursive_;
2111	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2114		2480
2115	sub inv_recursive {	2481	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2117	}	2483	}
2118		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
2119	package cf;	2513	package cf;
2120		2514
2121	=back	2515	=back
2122		2516
2123	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2132		2526
2133	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
2134		2542
2135	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2544	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2145		2553
2146	} else {	2554	} else {
2147	my $pl = $self->contr;	2555	my $pl = $self->contr;
2148		2556
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2560
2158	} else {	2561	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2564	}
2162	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
2163	}	2576	}
2164		2577
2165	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2166		2579
2167	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2180		2593
2181	=item $player_object->enter_link	2594	=item $player_object->enter_link
2182		2595
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2597
2185	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
2187		2602
2188	Will never block.	2603	Will never block.
2189		2604
2190	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2191		2606
…		…
2211	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2212	my ($self) = @_;	2627	my ($self) = @_;
2213		2628
2214	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2215		2630
		2631	++$self->{_link_recursion};
		2632
2216	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2217		2634
2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2219	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2220		2637
2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2222	}	2639	}
2223		2640
2224	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2225	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2226		2643
…		…
2243	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2245		2662
2246	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2249		2666
2250	$map->load;	2667	$map->load;
2251	$map->load_diag;	2668	$map->load_neighbours;
2252		2669
2253	return unless $self->contr->active;	2670	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2671
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2258	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2259		2679
		2680	}
		2681
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2261		2683
2262	Moves the player to the given map-path and coordinates by first freezing	2684	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2686	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
2266		2692
2267	=cut	2693	=cut
2268		2694
2269	our $GOTOGEN;	2695	our $GOTOGEN;
2270		2696
2271	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
2273		2705
2274	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2708
2277	$self->enter_link;	2709	$self->enter_link;
2278		2710
2279	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
2280	my $map = eval {	2733	my $map = eval {
2281	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2282		2735
2283	if ($map) {	2736	if ($map) {
2284	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2286	} else {	2739	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2741	}
2289		2742
2290	$map	2743	$map
2291	};	2744	};
2292		2745
…		…
2297		2750
2298	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2301	}	2754	}
		2755
		2756	$done->($self) if $done;
2302	})->prio (1);	2757	})->prio (1);
2303	}	2758	}
2304		2759
2305	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2306		2761
…		…
2326	}	2781	}
2327		2782
2328	sub prepare_random_map {	2783	sub prepare_random_map {
2329	my ($exit) = @_;	2784	my ($exit) = @_;
2330		2785
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2788	# that depends on the exit object
2336		2789
2337	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2792	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2344	}	2799	}
2345		2800
2346	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2347		2802
2348	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2351		2806
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2809	undef $fh;
2355	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2356		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2359	}	2818	}
2360	}	2819	}
2361		2820
2362	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2364		2823
2365	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2366		2825
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2826	$self->enter_link;
2379		2827
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2828	(async {
2385	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2386	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2387	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2388		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2389	1;	2852	1
2390	}) {	2853	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2858
2396	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2397	$self->leave_link;	2860	$self->leave_link;
2398	}	2861	}
2399	})->prio (1);	2862	})->prio (1);
2400	}	2863	}
2401		2864
…		…
2415		2878
2416	utf8::encode $text;	2879	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2881	}
2419		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2909
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2911	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2426		2914
2427	=cut	2915	=cut
2428		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
2429	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2431		3033
2432	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
2433		3055
2434	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2435		3057
2436	if ($self->can_msg) {	3058	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	3060	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		3061
2449	if ($color >= 0) {	3062	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	3063	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	3065	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2460	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2461		3071
2462	Sends an ext event to the client.	3072	Sends an ext event to the client.
2463		3073
2464	=cut	3074	=cut
2465		3075
2466	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2468		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2471	}	3103	}
2472		3104
2473	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2474		3106
2475	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	3162	my ($ns, $buf) = @_;
2531		3163
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3165
2534	if (ref $msg) {	3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3174	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3175	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2541	} else {	3181	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3183	}
2544		3184
2545	cf::override;	3185	cf::override;
2546	},	3186	},
2547	);	3187	);
…		…
2567		3207
2568	$coro	3208	$coro
2569	}	3209	}
2570		3210
2571	cf::client->attach (	3211	cf::client->attach (
2572	on_destroy => sub {	3212	on_client_destroy => sub {
2573	my ($ns) = @_;	3213	my ($ns) = @_;
2574		3214
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3216	},
2577	);	3217	);
…		…
2592	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2594		3234
2595	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2596		3236
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2598		3242
2599	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2600		3244
2601	=pod	3245	=pod
2602		3246
2603	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2604		3248
2605	cf::object	3249	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3250	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3251	insert remove name archname title slaying race decrease split
		3252	value
2608		3253
2609	cf::object::player	3254	cf::object::player
2610	player	3255	player
2611		3256
2612	cf::player	3257	cf::player
…		…
2617		3262
2618	=cut	3263	=cut
2619		3264
2620	for (	3265	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2626	) {	3272	) {
2627	no strict 'refs';	3273	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2647		3293
2648	my $qcode = $code;	3294	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2651		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2652	local $_;	3301	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3302
2655	my $eval =	3303	my $eval =
2656	"do {\n"	3304	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3307	. $code
2660	. "\n}"	3308	. "\n}"
2661	;	3309	;
2662		3310
		3311	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2666		3320
2667	if ($@) {	3321	if ($@) {
2668	warn "$@";	3322	warn "$@",
2669	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2670	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2671	}	3325	}
2672		3326
2673	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2674	}	3328	}
2675		3329
…		…
2689	=cut	3343	=cut
2690		3344
2691	sub register_script_function {	3345	sub register_script_function {
2692	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2693		3347
2694	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2696	}	3350	}
2697		3351
2698	=back	3352	=back
2699		3353
2700	=cut	3354	=cut
…		…
2703	# the server's init and main functions	3357	# the server's init and main functions
2704		3358
2705	sub load_facedata($) {	3359	sub load_facedata($) {
2706	my ($path) = @_;	3360	my ($path) = @_;
2707		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2708	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2709		3369
2710	my $facedata;	3370	my $facedata;
2711	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3372	or die "$path: $!";
2713		3373
2714	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2715		3375
2716	$facedata->{version} == 2	3376	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2719	{	3388	{
2720	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2721		3390
2722	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2727	Coro::cede;	3398
		3399	cf::cede_to_tick;
2728	}	3400	}
2729		3401
2730	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2732	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2733	or next;	3406	or next;
		3407
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3411	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3413	}
2739	Coro::cede;	3414
		3415	cf::cede_to_tick;
2740	}	3416	}
2741	}	3417	}
2742		3418
2743	{	3419	{
2744	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2745		3421
2746	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3424	cf::cede_to_tick;
2749	}	3425	}
2750		3426
2751	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2752	}	3428	}
2753		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2754	1	3449	1
2755	}	3450	}
2756		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2757	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2758	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
2760	}	3482	}
2761		3483
2762	sub reload_facedata {	3484	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
2765	}	3487	}
2766		3488
2767	sub reload_archetypes {	3489	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3491	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3492	}
2776		3493
2777	sub reload_treasures {	3494	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2780	}	3497	}
2781		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2782	sub reload_resources {	3522	sub reload_resources {
2783	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2784		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2785	reload_regions;	3528	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3529	reload_treasures;
2790		3530
2791	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2792	}	3532	}
2793		3533
2794	sub init {	3534	sub reload_config {
2795	reload_resources;	3535	trace "reloading config file...\n";
2796	}
2797		3536
2798	sub cfg_load {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3538	or return;
2801		3539
2802	local $/;	3540	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2804		3542
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2806		3544
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2809		3547
2810	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2812	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2813	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2814	};	3552	};
2815	warn $@ if $@;	3553	warn $@ if $@;
2816	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2817	}	3585	}
2818		3586
2819	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2820	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3600	(async {
2824	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2826	};	3604	};
2827		3605
2828	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2829	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2830	load_extensions;	3629	load_extensions;
2831		3630
2832	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2834	}	3644	}
2835		3645
2836	#############################################################################	3646	#############################################################################
2837	# initialisation and cleanup	3647	# initialisation and cleanup
2838		3648
2839	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2840	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2849	},
2850	);	3655	};
2851	}	3656	}
2852	}	3657	}
2853		3658
2854	sub write_runtime {	3659	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2856		3661
2857	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2859		3664
2860	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3666
2862	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2863		3668
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3670	or return;
2866		3671
2867	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
2880		3685
2881	close $fh	3686	close $fh
2882	or return;	3687	or return;
2883		3688
2884	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3690	and return;
2886		3691
2887	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2888		3693
2889	1	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2890	}	3745	}
2891		3746
2892	sub emergency_save() {	3747	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2894		3749
2895	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2896		3751
2897	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2898	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3766	$pl->save;
2906	}	3767	}
2907	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2908		3769
2909	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	3773	$map->valid or next;
2913	$map->save;	3774	$map->save;
2914	}	3775	}
2915	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2916		3777
2917	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2920	};	3785	};
2921		3786
2922	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2923	}	3793	}
2924		3794
2925	sub post_cleanup {	3795	sub post_cleanup {
2926	my ($make_core) = @_;	3796	my ($make_core) = @_;
2927		3797
2928	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2930	}	3828	}
2931		3829
2932	sub do_reload_perl() {	3830	sub do_reload_perl() {
2933	# can/must only be called in main	3831	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2935	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2936	return;	3834	return;
2937	}	3835	}
2938		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2939	warn "reloading...";	3842	info "reloading...";
2940		3843
2941	warn "entering sync_job";	3844	trace "entering sync_job";
2942		3845
2943	cf::sync_job {	3846	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2945	cf::emergency_save;	3848	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2947		3850
2948	warn "syncing database to disk";	3851	trace "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3853
2951	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2952		3855
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2964	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();
2972
2973	warn "removing commands";
2974	%COMMAND = ();
2975
2976	warn "removing ext/exti commands";
2977	%EXTCMD = ();
2978	%EXTICMD = ();
2979
2980	warn "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";
2983
2984	if (my $cb = $pkg->can ("unload")) {
2985	eval {
2986	$cb->($pkg);
2987	1
2988	} or warn "$pkg unloaded, but with errors: $@";
2989	}	3859	}
2990		3860
2991	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2992	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2993	}	3863	%EXT_CORO = ();
2994		3864
2995	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2996	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2999	warn "... unloading $k";	3874	trace "... unloading $pkg";
3000	delete $INC{$k};
3001		3875
3002	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;
3004
3005	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
3006	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
3007	}	3885	}
3008		3886
3009	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
3010	}	3902	}
3011		3903
3012	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3907
3016	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		3911
3020	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3913	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3023		3915
3024	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3025		3917
3026	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3027	require cf;	3919	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3029		3921
3030	warn "loading config and database again";	3922	trace "loading config and database again";
3031	cf::cfg_load;	3923	cf::reload_config;
3032		3924
3033	warn "loading extensions";	3925	trace "loading extensions";
3034	cf::load_extensions;	3926	cf::load_extensions;
3035		3927
		3928	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3042		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3043	warn "leaving sync_job";	3940	trace "leaving sync_job";
3044		3941
3045	1	3942	1
3046	} or do {	3943	} or do {
3047	warn $@;	3944	error $@;
3048	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3049	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3050	};	3950	}
3051		3951
3052	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3053	};	3954	};
3054		3955
3055	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3056		3957
3057	sub reload_perl() {	3958	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3060		3961
3061	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	3964
3064	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	3966	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3068	},	3968	};
3069	);	3969	};
3070	}	3970	}
3071		3971
3072	register_command "reload" => sub {	3972	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3074		3974
3075	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3979	reload_perl;
		3980	};
3078	}	3981	}
3079	};	3982	};
3080		3983
3081	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3082		3985
…		…
3084		3987
3085	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3087		3990
3088	sub wait_for_tick {	3991	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3091		3993
3092	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3996	$signal->wait;
3095	}	3997	}
3096		3998
3097	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3100		4001
3101	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	4004	$signal->wait;
3104	}	4005	}
3105		4006
3106	my $min = 1e6;#d#	4007	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3118	return;	4011	return;
3119	}	4012	}
3120		4013
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3124		4015
3125	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3126	for(1..10) {
3127	my $t = Event::time;
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3129	or die;
3130		4017
3131	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3132	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3133	$map->alloc;	4020	Coro::async_pool {
3134	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3135	my $t = Event::time - $t;	4022	write_runtime_sync
3136		4023	or error "ERROR: unable to write runtime file: $!";
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	4024	};
		4025	}
3147		4026
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	4028	$sig->send;
3164	}	4029	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	4031	$sig->send;
3167	}	4032	}
3168		4033
3169	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		4036
3180	_post_tick;	4037	if (0) {
3181		4038	if ($NEXT_TICK) {
3182		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3183	},	4043	}
3184	);	4044	}
3185		4045
3186	{	4046	{
3187	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	4048
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3197		4050	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		4052
3213	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		4060
3216	cf::sync_job {	4061	cf::sync_job {
3217	eval {	4062	eval {
3218	BDB::db_env_open	4063	BDB::db_env_open
3219	$DB_ENV,	4064	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	4068	0666;
3224		4069
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	4071	};
3230		4072
3231	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	4074	};
3233	}	4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
3234	}	4086	}
3235		4087
3236	{	4088	{
		4089	# configure IO::AIO
		4090
3237	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4094	}
3250		4095
3251	my $_log_backtrace;	4096	my $_log_backtrace;
3252		4097
3253	sub _log_backtrace {	4098	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	4101	$msg =~ s/\n//;
3257		4102
3258	# limit the # of concurrent backtraces	4103	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4104	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
3261	async {	4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
3262	my @bt = fork_call {	4110	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4111	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4114	or die "addr2line: $!";
…		…
3274	}	4122	}
3275		4123
3276	@funcs	4124	@funcs
3277	};	4125	};
3278		4126
3279	LOG llevInfo, "[ABT] $msg\n";	4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4129	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4130	--$_log_backtrace;
3282	};	4131	};
3283	} else {	4132	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4133	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4134	LOG llevInfo, "[ABT] [suppressed]\n";
3286	}	4135	}
3287	}	4136	}
3288		4137
3289	# load additional modules	4138	# load additional modules
3290	use cf::pod;	4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
3291		4141
3292	END { cf::emergency_save }	4142	END { cf::emergency_save }
3293		4143
3294	1	4144	1
3295		4145

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