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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 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
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=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
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$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;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	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	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	298	for my $pkg (qw(
198	cf::global cf::attachable	299	cf::global cf::attachable
199	cf::object cf::object::player	300	cf::object cf::object::player
200	cf::client cf::player	301	cf::client cf::player
201	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
202	cf::map cf::party cf::region	304	cf::party cf::region
203	)) {	305	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	307	}
207		308
208	$Event::DIED = sub {	309	$EV::DIED = sub {
209	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
210	};	311	};
211		312
212	#############################################################################	313	#############################################################################
213		314
214	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
236	$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;
237	$d	338	$d
238	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
239	}	340	}
240		341
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
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
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[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	}
		370
251	=item cf::lock_wait $string	371	=item cf::lock_wait $string
252		372
253	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
254		374
255	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
256		376
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
260	returned.	380	returned.
261		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
262	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
263	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
264		387
265	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
266		389
267	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.
268		391
269	=cut	392	=cut
270		393
271	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
272		395
273	sub lock_wait($) {	396	sub lock_wait($) {
274	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	398	}
282		399
283	sub lock_acquire($) {	400	sub lock_acquire($) {
284	my ($key) = @_;	401	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	402	}
296		403
297	sub lock_active($) {	404	sub lock_active($) {
298	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	406	}
302		407
303	sub freeze_mainloop {	408	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
305		410
306	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
307	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
308	};	478	}
309	$TICK_WATCHER->stop;	479	};
310	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
311	}	494	}
312		495
313	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
314		497
315	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		503
321	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
322		505
323	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
324		507
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	511	acceptable.
329		512
330	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		519
337	sub sync_job(&) {	520	sub sync_job(&) {
338	my ($job) = @_;	521	my ($job) = @_;
339		522
340	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	524	my $time = AE::time;
342		525
343	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
345		528
346	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	530
348	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
349		532
350	my $busy = 1;	533	my $busy = 1;
351	my @res;	534	my @res;
352		535
353	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	538	@res = eval { $job->() };
355	warn $@ if $@;	539	error $@ if $@;
356	undef $busy;	540	undef $busy;
357	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
358		542
359	while ($busy) {	543	while ($busy) {
360	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
361	}	548	}
		549	}
362		550
363	$time = Event::time - $time;	551	my $time = AE::time - $time;
364		552
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
369		554
370	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
371	} else {	556	} else {
372	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
373		558
…		…
398	=item fork_call { }, $args	583	=item fork_call { }, $args
399		584
400	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
404		589
405	=cut	590	=cut
406		591
407	sub fork_call(&@) {	592	sub fork_call(&@) {
408	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
409		594
410	# 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,
411	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		598
415	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	600	reset_signals;
428	local $SIG{__WARN__};	601	&$cb
429	local $SIG{__DIE__};	602	}, @args;
430	eval {
431	close $fh1;
432		603
433	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
435	};
436		606
437	warn $@ if $@;	607	sub objinfo {
438	_exit 0;
439	}	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
440	}	643	}
441		644
442	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
443		646
444	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
447		650
448	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
449	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).
450		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
451	=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	}
452		677
453	our $DB;	678	our $DB;
454		679
455	sub db_init {	680	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	681	cf::sync_job {
460	eval {	682	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	683	};
470	}	684	}
471		685
472	sub db_get($$) {	686	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
474		688
…		…
524	if (1) {	738	if (1) {
525	$md5 =	739	$md5 =
526	join "\x00",	740	join "\x00",
527	$processversion,	741	$processversion,
528	map {	742	map {
529	Coro::cede;	743	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	745	} 0.. $#$src;
532		746
533		747
534	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		755
542	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	757	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
545		759
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		761
548	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
551		765
…		…
561		775
562	=cut	776	=cut
563		777
564	sub datalog($@) {	778	sub datalog($@) {
565	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	781	}
568		782
569	=back	783	=back
570		784
571	=cut	785	=cut
572		786
573	#############################################################################	787	#############################################################################
574		788
575	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
576		790
577	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
578	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")
579	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
580		794
581	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>
582	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
583	Crossfire TRT).	797	Deliantra).
584		798
585	=over 4	799	=over 4
586		800
587	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
588		802
…		…
632	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
633		847
634	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
635	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
636		850
637	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
639		853
640	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
641		855
642	=over 4	856	=over 4
…		…
766		980
767	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		983
770	} elsif (ref $type) {	984	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
772		986
773	} else {	987	} else {
774	shift @arg;	988	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
776	}	990	}
777	}	991	}
778	}	992	}
779		993
780	sub _object_attach {	994	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
791	}	1005	}
792		1006
793	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
794	} else {	1008	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1010	}
797		1011
798	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
799	}	1013	}
800		1014
…		…
840	";	1054	";
841	die if $@;	1055	die if $@;
842	}	1056	}
843		1057
844	our $override;	1058	our $override;
845	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?
846		1060
847	sub override {	1061	sub override {
848	$override = 1;	1062	$override = 1;
849	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
850	}	1064	}
851		1065
852	sub do_invoke {	1066	sub do_invoke {
853	my $event = shift;	1067	my $event = shift;
854	my $callbacks = shift;	1068	my $callbacks = shift;
855		1069
856	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
857		1071
858	local $override;	1072	local $override;
859		1073
860	for (@$callbacks) {	1074	for (@$callbacks) {
861	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
862		1076
863	if ($@) {	1077	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1079	override;
867	}	1080	}
868		1081
869	return 1 if $override;	1082	return 1 if $override;
870	}	1083	}
871		1084
872	0	1085	0
873	}	1086	}
874		1087
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1089
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1091
879	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
880		1093
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1097
885	=back	1098	=back
886		1099
887	=cut	1100	=cut
888		1101
889	#############################################################################	1102	#############################################################################
890	# 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	}
891		1146
892	sub reattach {	1147	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1149	my ($obj) = @_;
895		1150
		1151	# no longer needed after getting rid of delete_package?
896	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
897		1153
898	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
899		1155
900	@$registry = ();	1156	@$registry = ();
901		1157
…		…
906	for (@$attach) {	1162	for (@$attach) {
907	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
909	}	1165	}
910	} else {	1166	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1168	}
913	}	1169	}
914	}	1170	}
915		1171
916	cf::attachable->attach (	1172	cf::attachable->attach (
917	prio => -1000000,	1173	prio => -1000000,
918	on_instantiate => sub {	1174	on_instantiate => sub {
919	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
920		1176
921	$data = from_json $data;	1177	$data = decode_json $data;
922		1178
923	for (@$data) {	1179	for (@$data) {
924	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
925		1181
926	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1198	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
944		1200
945	sync_job {	1201	sync_job {
946	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
949		1207
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1215	aio_close $fh;
955		1216
956	if (@$objs) {	1217	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1226	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
964	}	1228	}
965	} else {	1229	} else {
966	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
967	}	1231	}
968		1232
969	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1237	} else {
971	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
972	}	1239	}
973	} else {	1240	} else {
974	aio_unlink $filename;	1241	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
976	}	1243	}
977	}	1244	};
978	}	1245	}
979		1246
980	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
982		1249
…		…
994	or return;	1261	or return;
995		1262
996	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
998	or return;	1265	or return;
		1266
999	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1000	}	1269	}
1001		1270
		1271	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1004	return ($data, $av);	1276	($data, $av)
1005	}	1277	}
1006		1278
1007	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1008		1280
1009	=over 4	1281	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1302	}
1031		1303
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1305
1034	Register a callback fro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
1035		1311
1036	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
1037	called.	1313	called.
1038		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
1039	=cut	1326	=cut
1040		1327
1041	sub register_extcmd {	1328	sub register_extcmd {
1042	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
1043		1330
1044	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
1045	}	1332	}
1046		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
1047	cf::player->attach (	1342	cf::player->attach (
1048	on_command => sub {	1343	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1050		1345
1051	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1052	or return;	1347	or return;
1053		1348
…		…
1058	cf::override;	1353	cf::override;
1059	},	1354	},
1060	on_extcmd => sub {	1355	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1062		1357
1063	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1359
1065	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
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1071	} else {	1375	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1377	}
1074		1378
1075	cf::override;	1379	cf::override;
1076	},	1380	},
1077	);	1381	);
1078		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
1079	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1080	cf::sync_job {	1399	cf::sync_job {
1081	my %todo;	1400	my %todo;
1082		1401
1083	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1403	next unless -r $path;
…		…
1102		1421
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1424
1106	$ext{source} =	1425	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1109	. $source	1428	. $source
1110	. "\n};\n1";	1429	. "\n};\n1";
1111		1430
1112	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1113	}	1432	}
1114		1433
		1434	my $pass = 0;
1115	my %done;	1435	my %done;
1116	while (%todo) {	1436	while (%todo) {
1117	my $progress;	1437	my $progress;
1118		1438
		1439	++$pass;
		1440
		1441	ext:
1119	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1444	next ext
1122	unless exists $done{$_};	1445	unless exists $done{$_};
1123	}	1446	}
1124		1447
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1449
1127	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1132	warn $msg;	1457
1133	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1459	delete $todo{$k};
1135	}	1460	} else {
1136		1461	$done{$k} = delete $todo{$k};
1137	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1138	}	1467	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1468	}
1144		1469
1145	skip:	1470	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1478	}
1149	};	1479	};
1150	}	1480	}
1151		1481
1152	#############################################################################	1482	#############################################################################
1153		1483
1154	=back	1484	=back
1155		1485
1156	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1157		1487
1158	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1159		1489
1160	=cut	1490	=cut
1161		1491
1162	package cf::player;	1492	package cf::player;
1163		1493
1164	use Coro::AIO;	1494	use Coro::AIO;
1165		1495
1166	=head3 cf::player	1496	=head3 cf::player
1167		1497
1168	=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	}
1169		1513
1170	=item cf::player::find $login	1514	=item cf::player::find $login
1171		1515
1172	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1173		1517
…		…
1192		1536
1193	sub exists($) {	1537	sub exists($) {
1194	my ($login) = @_;	1538	my ($login) = @_;
1195		1539
1196	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1198	}	1542	}
1199		1543
1200	sub find($) {	1544	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1546	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1557
1214	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1217	}	1567	}
1218	}	1568	}
1219	}	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	);
1220		1583
1221	sub save($) {	1584	sub save($) {
1222	my ($pl) = @_;	1585	my ($pl) = @_;
1223		1586
1224	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1230		1593
1231	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1235	Coro::cede;	1603	cf::cede_to_tick;
1236	}	1604	}
1237		1605
1238	sub new($) {	1606	sub new($) {
1239	my ($login) = @_;	1607	my ($login) = @_;
1240		1608
…		…
1246	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1247		1615
1248	$self	1616	$self
1249	}	1617	}
1250		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
1251	=item $pl->quit_character	1629	=item $pl->quit_character
1252		1630
1253	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
1254	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1255		1633
…		…
1259	my ($pl) = @_;	1637	my ($pl) = @_;
1260		1638
1261	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1262		1640
1263	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1264	$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
1265		1643
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1270		1649
1271	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1687	or return [];
1309		1688
1310	my @logins;	1689	my @logins;
1311		1690
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1316		1701
1317	utf8::decode $login;	1702	utf8::decode $login;
1318	push @logins, $login;	1703	push @logins, $login;
1319	}	1704	}
1320		1705
1321	\@logins	1706	\@logins
1322	}	1707	}
1323		1708
1324	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1325		1712
1326	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1327	player. May block.	1714	player. May block.
1328		1715
1329	=cut	1716	=cut
…		…
1347	}	1734	}
1348		1735
1349	\@paths	1736	\@paths
1350	}	1737	}
1351		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1352	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1353		1744
1354	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1355		1746
1356	=cut	1747	=cut
1357		1748
1358	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1360		1751
1361	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1753	}
1365		1754
1366	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1367		1756
1368	Sends an ext event to the client.	1757	Sends an ext event to the client.
1369		1758
1370	=cut	1759	=cut
1371		1760
1372	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1374		1763
1375	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1376	}	1765	}
1377		1766
1378	=head3 cf::region	1767	=head3 cf::region
1379		1768
1380	=over 4	1769	=over 4
…		…
1390	=cut	1779	=cut
1391		1780
1392	sub find_by_path($) {	1781	sub find_by_path($) {
1393	my ($path) = @_;	1782	my ($path) = @_;
1394		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1395	my ($match, $specificity);	1786	my ($match, $specificity);
1396		1787
1397	for my $region (list) {	1788	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1401	}	1792	}
1402	}	1793	}
1403		1794
…		…
1424	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1426		1817
1427	sub generate_random_map {	1818	sub generate_random_map {
1428	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
1429	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1824	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1459		1853
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1855	}
1462		1856
1463	# also paths starting with '/'	1857	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1859
1466	sub thawer_merge {	1860	sub thawer_merge {
1467	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1468		1862
1469	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1523	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1524	return $self;	1918	return $self;
1525	}	1919	}
1526	}	1920	}
1527		1921
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1923	()
1530	}	1924	}
1531		1925
1532	sub init {	1926	sub init {
1533	my ($self) = @_;	1927	my ($self) = @_;
…		…
1555		1949
1556	# the temporary/swap location	1950	# the temporary/swap location
1557	sub save_path {	1951	sub save_path {
1558	my ($self) = @_;	1952	my ($self) = @_;
1559		1953
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1562	}	1956	}
1563		1957
1564	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1565	sub uniq_path {	1959	sub uniq_path {
1566	my ($self) = @_;	1960	my ($self) = @_;
1567		1961
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1964	}
1580		1965
1581	sub decay_objects {	1966	sub decay_objects {
1582	my ($self) = @_;	1967	my ($self) = @_;
1583		1968
…		…
1596		1981
1597	sub load_header_from($) {	1982	sub load_header_from($) {
1598	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1599		1984
1600	utf8::encode $path;	1985	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	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;
1606		1994
1607	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1608		1996
1609	1	1997	1
1610	}	1998	}
…		…
1664	sub find {	2052	sub find {
1665	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1666		2054
1667	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1668		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2059
1671	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1674	or return;	2062	or return;
1675		2063
1676	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1677		2065
…		…
1679	or return;	2067	or return;
1680		2068
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1684	$map->reset;	2074	$map->reset;
1685	undef $guard;
1686	return find $path;	2075	return find $path;
1687	}	2076	}
1688		2077
1689	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1690	}	2079	}
1691	}	2080	}
1692		2081
1693	sub pre_load { }	2082	sub pre_load { }
1694	sub post_load { }	2083	#sub post_load { } # XS
1695		2084
1696	sub load {	2085	sub load {
1697	my ($self) = @_;	2086	my ($self) = @_;
1698		2087
1699	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1700		2089
1701	my $path = $self->{path};	2090	my $path = $self->{path};
1702		2091
1703	{	2092	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1705		2094
		2095	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2097
1708	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1709		2099
1710	$self->alloc;	2100	$self->alloc;
1711		2101
1712	$self->pre_load;	2102	$self->pre_load;
1713	Coro::cede;	2103	cf::cede_to_tick;
1714		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1716	or return;	2108	or return;
1717		2109
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1719	if delete $self->{load_original};	2111	if delete $self->{load_original};
1720		2112
1721	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2114	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2117	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1726	}	2121	}
1727	}	2122	}
1728		2123
1729	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1730	# now do the right thing for maps	2127	# now do the right thing for maps
1731	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2130	unless $self->difficulty;
1734	Coro::cede;	2131	cf::cede_to_tick;
1735		2132
1736	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2134	$self->decay_objects;
1738	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1739	$self->update_buttons;	2136	$self->update_buttons;
1740	Coro::cede;	2137	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2138	$self->activate;
1744	}	2139	}
1745		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2145	}
1748		2146
1749	$self->post_load;	2147	$self->post_load;
1750	}	2148	}
1751		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
1752	sub customise_for {	2153	sub customise_for {
1753	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1754		2155
1755	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2157	if $self->per_player;
…		…
1760		2161
1761	$self	2162	$self
1762	}	2163	}
1763		2164
1764	# 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
1765	sub load_diag {	2166	sub load_neighbours {
1766	my ($map) = @_;	2167	my ($map) = @_;
1767		2168
1768	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1769		2170
1770	for (0 .. 3) {	2171	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1772	or next;	2173	or next;
1773	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1774	or next;	2175	or next;
1775	$neigh->load;	2176	$neigh->load;
1776		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2182	}
1780		2183
1781	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1783	or next;	2187	or next;
1784	$neigh->load;	2188	$neigh->load;
1785	}	2189	}
1786	}	2190	}
1787		2191
…		…
1792	}	2196	}
1793		2197
1794	sub do_load_sync {	2198	sub do_load_sync {
1795	my ($map) = @_;	2199	my ($map) = @_;
1796		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1797	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1798	}	2205	}
1799		2206
1800	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1802		2209
1803	sub find_async {	2210	sub find_async {
1804	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1805		2212
1806	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1807		2214
1808	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2217	}
1811		2218
1812	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1813	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1814	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2226	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2227	$map->load if $v;
		2228	}
1819		2229
1820	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1821	}	2231	}
1822	}	2232	}
1823	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1824	};	2234	};
1825	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1826		2236
1827	()	2237	()
1828	}	2238	}
1829		2239
		2240	# common code, used by both ->save and ->swapout
1830	sub save {	2241	sub _save {
1831	my ($self) = @_;	2242	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2243
1835	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1836		2245
1837	return unless $self->dirty;	2246	return unless $self->dirty;
1838		2247
…		…
1844	return if $self->{deny_save};	2253	return if $self->{deny_save};
1845		2254
1846	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1847		2256
1848	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1850	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1851		2263
1852	if ($uniq) {	2264	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2267	} else {
1856	$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);
1857	}	2269	}
1858	}	2270	}
1859		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1860	sub swap_out {	2280	sub swap_out {
1861	my ($self) = @_;	2281	my ($self) = @_;
1862		2282
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1868	return if $self->players;	2287	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		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
1872	$self->clear;	2298	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2299	}
1875		2300
1876	sub reset_at {	2301	sub reset_at {
1877	my ($self) = @_;	2302	my ($self) = @_;
1878		2303
…		…
1896		2321
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2323
1899	return if $self->players;	2324	return if $self->players;
1900		2325
1901	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
1902		2327
1903	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1904		2329
1905	# need to save uniques path	2330	# need to save uniques path
1906	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2335	if $uniq;
1911	}	2336	}
1912		2337
1913	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1914		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2342	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2343
1919	$self->unlink_save;	2344	$self->unlink_save;
1920	$self->destroy;	2345	$self->destroy;
1921	}	2346	}
1922		2347
1923	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1924		2349
1925	sub nuke {	2350	sub nuke {
1926	my ($self) = @_;	2351	my ($self) = @_;
1927		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1928	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1929		2357
1930	$self->unlink_save;	2358	$self->unlink_save;
1931		2359
1932	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2365
1938	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1939		2368
1940	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
1941	}	2370	}
1942		2371
1943	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
1985		2414
1986	sub unique_maps() {	2415	sub unique_maps() {
1987	[	2416	[
1988	map {	2417	map {
1989	utf8::decode $_;	2418	utf8::decode $_;
1990	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
1991	? normalise $_	2422	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2424	]
1995	}	2425	}
1996		2426
1997	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	}
1998		2458
1999	=back	2459	=back
2000		2460
2001	=head3 cf::object	2461	=head3 cf::object
2002		2462
…		…
2006		2466
2007	=over 4	2467	=over 4
2008		2468
2009	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2010		2470
2011	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.
2012		2473
2013	=cut	2474	=cut
2014		2475
2015	sub inv_recursive_;	2476	sub inv_recursive_;
2016	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2019		2480
2020	sub inv_recursive {	2481	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2022	}	2483	}
2023		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
2024	package cf;	2513	package cf;
2025		2514
2026	=back	2515	=back
2027		2516
2028	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2034	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>
2035	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
2036	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2037		2526
2038	=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	};
2039		2542
2040	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2544	# with dialog boxes.
2042	#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
2043	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2050		2553
2051	} else {	2554	} else {
2052	my $pl = $self->contr;	2555	my $pl = $self->contr;
2053		2556
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2560
2060	} else {	2561	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2564	}
2064	}	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 (@_);
2065	}	2576	}
2066		2577
2067	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2068		2579
2069	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2082		2593
2083	=item $player_object->enter_link	2594	=item $player_object->enter_link
2084		2595
2085	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}>).
2086		2597
2087	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.
2088	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.
2089		2602
2090	Will never block.	2603	Will never block.
2091		2604
2092	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2093		2606
…		…
2113	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2627	my ($self) = @_;
2115		2628
2116	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2117		2630
		2631	++$self->{_link_recursion};
		2632
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2634
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2122		2637
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2639	}
2125		2640
2126	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2128		2643
…		…
2145	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2147		2662
2148	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2151		2666
2152	$map->load;	2667	$map->load;
2153	$map->load_diag;	2668	$map->load_neighbours;
2154		2669
2155	return unless $self->contr->active;	2670	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2671
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2160	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2161		2679
		2680	}
		2681
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2683
2164	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
2165	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2166	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
2167	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 >>.
2168		2692
2169	=cut	2693	=cut
2170		2694
2171	our $GOTOGEN;	2695	our $GOTOGEN;
2172		2696
2173	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2174	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	}
2175		2705
2176	# 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
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2708
2179	$self->enter_link;	2709	$self->enter_link;
2180		2710
2181	(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
2182	my $map = eval {	2733	my $map = eval {
2183	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2184		2735
2185	if ($map) {	2736	if ($map) {
2186	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2739	} else {
2189	$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);
2190	}	2741	}
2191		2742
2192	$map	2743	$map
2193	};	2744	};
2194		2745
…		…
2199		2750
2200	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2203	}	2754	}
		2755
		2756	$done->($self) if $done;
2204	})->prio (1);	2757	})->prio (1);
2205	}	2758	}
2206		2759
2207	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2208		2761
…		…
2228	}	2781	}
2229		2782
2230	sub prepare_random_map {	2783	sub prepare_random_map {
2231	my ($exit) = @_;	2784	my ($exit) = @_;
2232		2785
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2788	# that depends on the exit object
2238		2789
2239	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2792	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2246	}	2799	}
2247		2800
2248	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2249		2802
2250	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2253		2806
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2809	undef $fh;
2257	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2258		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2261	}	2818	}
2262	}	2819	}
2263		2820
2264	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2266		2823
2267	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2268		2825
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2826	$self->enter_link;
2281		2827
2282	(async {	2828	(async {
2283	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2284	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
2285	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2286		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
2287	1;	2852	1
2288	}) {	2853	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "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. "
2291	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2858
2294	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2860	$self->leave_link;
2296	}	2861	}
2297	})->prio (1);	2862	})->prio (1);
2298	}	2863	}
2299		2864
…		…
2313		2878
2314	utf8::encode $text;	2879	utf8::encode $text;
2315	$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);
2316	}	2881	}
2317		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
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		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
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		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	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2318	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2319		3071
2320	Sends an exti event to the client.	3072	Sends an ext event to the client.
2321		3073
2322	=cut	3074	=cut
2323		3075
2324	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2326		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		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	}
2329	}	3103	}
2330		3104
2331	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2332		3106
2333	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3110
2337	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3112	become reliable at some point in the future.
2339		3113
2340	=cut	3114	=cut
2341		3115
2342	sub cf::client::query {	3116	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3125	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3127
2354	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2356	}	3132	}
2357		3133
2358	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2359	on_reply => sub {	3140	on_reply => sub {
2360	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2361		3142
2362	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2363	# get handled first	3144	# get handled first
…		…
2375	} else {	3156	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3158	}
2378	}	3159	}
2379	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		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
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2380	);	3187	);
2381		3188
2382	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2383		3190
2384	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3207
2401	$coro	3208	$coro
2402	}	3209	}
2403		3210
2404	cf::client->attach (	3211	cf::client->attach (
2405	on_destroy => sub {	3212	on_client_destroy => sub {
2406	my ($ns) = @_;	3213	my ($ns) = @_;
2407		3214
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3216	},
2410	);	3217	);
…		…
2425	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2427		3234
2428	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2429		3236
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2431		3242
2432	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2433		3244
2434	=pod	3245	=pod
2435		3246
2436	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2437		3248
2438	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2439	cf::object::player player	3254	cf::object::player
2440	cf::player peaceful	3255	player
2441	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2442		3262
2443	=cut	3263	=cut
2444		3264
2445	for (	3265	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2450	) {	3272	) {
2451	no strict 'refs';	3273	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2471		3293
2472	my $qcode = $code;	3294	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2475		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2476	local $_;	3301	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3302
2479	my $eval =	3303	my $eval =
2480	"do {\n"	3304	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3307	. $code
2484	. "\n}"	3308	. "\n}"
2485	;	3309	;
2486		3310
		3311	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2490		3320
2491	if ($@) {	3321	if ($@) {
2492	warn "$@";	3322	warn "$@",
2493	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2495	}	3325	}
2496		3326
2497	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2498	}	3328	}
2499		3329
…		…
2513	=cut	3343	=cut
2514		3344
2515	sub register_script_function {	3345	sub register_script_function {
2516	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2517		3347
2518	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2520	}	3350	}
2521		3351
2522	=back	3352	=back
2523		3353
2524	=cut	3354	=cut
…		…
2527	# the server's init and main functions	3357	# the server's init and main functions
2528		3358
2529	sub load_facedata($) {	3359	sub load_facedata($) {
2530	my ($path) = @_;	3360	my ($path) = @_;
2531		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
2532	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2533		3369
2534	my $facedata;	3370	my $facedata;
2535	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2536	or die "$path: $!";	3372	or die "$path: $!";
2537		3373
2538	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2539		3375
2540	$facedata->{version} == 2	3376	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		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
2543	{	3388	{
2544	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2545		3390
2546	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3398
		3399	cf::cede_to_tick;
2552	}	3400	}
2553		3401
2554	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2556	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2557	or next;	3406	or next;
		3407
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3411	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3413	}
2563	Coro::cede;	3414
		3415	cf::cede_to_tick;
2564	}	3416	}
2565	}	3417	}
2566		3418
2567	{	3419	{
2568	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2569		3421
2570	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3424	cf::cede_to_tick;
2573	}	3425	}
2574		3426
2575	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2576	}	3428	}
2577		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} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2578	1	3449	1
2579	}	3450	}
2580		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($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	$status
		3468	}
		3469
2581	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2582	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2583	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 $_->{match};
		3481	}
2584	}	3482	}
2585		3483
2586	sub reload_facedata {	3484	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3494	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2599	}	3497	}
2600		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
2601	sub reload_resources {	3522	sub reload_resources {
2602	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2603		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2604	reload_regions;	3528	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3529	reload_treasures;
2609		3530
2610	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2611	}	3532	}
2612		3533
2613	sub init {	3534	sub reload_config {
2614	reload_resources;	3535	trace "reloading config file...\n";
2615	}
2616		3536
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3538	or return;
2620		3539
2621	local $/;	3540	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2623		3542
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3544
2626	$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};
2627	$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};
2628		3547
2629	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3552	};
2634	warn $@ if $@;	3553	warn $@ if $@;
2635	}	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;
2636	}	3585	}
2637		3586
2638	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
2639	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2641	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#
2642	(async {	3600	(async {
2643	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2645	};	3604	};
2646		3605
2647	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;
2648	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
2649	load_extensions;	3629	load_extensions;
2650		3630
2651	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2652	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;
2653	}	3644	}
2654		3645
2655	#############################################################################	3646	#############################################################################
2656	# initialisation and cleanup	3647	# initialisation and cleanup
2657		3648
2658	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2659	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2668	},
2669	);	3655	};
2670	}	3656	}
2671	}	3657	}
2672		3658
2673	sub write_runtime {	3659	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2675		3661
2676	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2678		3664
2679	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3666
2681	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2682		3668
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3670	or return;
2685		3671
2686	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
2699		3685
2700	close $fh	3686	close $fh
2701	or return;	3687	or return;
2702		3688
2703	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3690	and return;
2705		3691
2706	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3693
2708	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 };
2709	}	3745	}
2710		3746
2711	sub emergency_save() {	3747	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2713		3749
2714	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2715		3751
2716	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
2717	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3766	$pl->save;
2725	}	3767	}
2726	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2727		3769
2728	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3773	$map->valid or next;
2732	$map->save;	3774	$map->save;
2733	}	3775	}
2734	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2735		3777
2736	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2739	};	3785	};
2740		3786
2741	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2742	}	3793	}
2743		3794
2744	sub post_cleanup {	3795	sub post_cleanup {
2745	my ($make_core) = @_;	3796	my ($make_core) = @_;
2746		3797
2747	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2748	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	}
2749	}	3828	}
2750		3829
2751	sub do_reload_perl() {	3830	sub do_reload_perl() {
2752	# can/must only be called in main	3831	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2754	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2755	return;	3834	return;
2756	}	3835	}
2757		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2758	warn "reloading...";	3842	info "reloading...";
2759		3843
2760	warn "entering sync_job";	3844	trace "entering sync_job";
2761		3845
2762	cf::sync_job {	3846	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2764	cf::emergency_save;	3848	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2766		3850
2767	warn "syncing database to disk";	3851	trace "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2769		3853
2770	# 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
2771		3855
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2783	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();
2791
2792	warn "removing commands";
2793	%COMMAND = ();
2794
2795	warn "removing ext commands";
2796	%EXTCMD = ();
2797
2798	warn "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";
2801
2802	if (my $cb = $pkg->can ("unload")) {
2803	eval {
2804	$cb->($pkg);
2805	1
2806	} or warn "$pkg unloaded, but with errors: $@";
2807	}	3859	}
2808		3860
2809	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2810	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2811	}	3863	%EXT_CORO = ();
2812		3864
2813	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2814	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2817	warn "... unloading $k";	3874	trace "... unloading $pkg";
2818	delete $INC{$k};
2819		3875
2820	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;
2822
2823	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2824	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2825	}	3885	}
2826		3886
2827	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;
2828	}	3902	}
2829		3903
2830	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2832	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);
2833		3907
2834	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3911
2838	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3913	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2841		3915
2842	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2843		3917
2844	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2845	require cf;	3919	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2847		3921
2848	warn "loading config and database again";	3922	trace "loading config and database again";
2849	cf::cfg_load;	3923	cf::reload_config;
2850		3924
2851	warn "loading extensions";	3925	trace "loading extensions";
2852	cf::load_extensions;	3926	cf::load_extensions;
2853		3927
		3928	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
2860		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
2861	warn "leaving sync_job";	3940	trace "leaving sync_job";
2862		3941
2863	1	3942	1
2864	} or do {	3943	} or do {
2865	warn $@;	3944	error $@;
2866	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
2867	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
2868	};	3950	}
2869		3951
2870	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
2871	};	3954	};
2872		3955
2873	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
2874		3957
2875	sub reload_perl() {	3958	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
2878		3961
2879	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3964
2882	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3966	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
2886	},	3968	};
2887	);	3969	};
2888	}	3970	}
2889		3971
2890	register_command "reload" => sub {	3972	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2892		3974
2893	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	3979	reload_perl;
		3980	};
2896	}	3981	}
2897	};	3982	};
2898		3983
2899	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2900		3985
…		…
2902		3987
2903	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
2905		3990
2906	sub wait_for_tick {	3991	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		3993
2910	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	3996	$signal->wait;
2913	}	3997	}
2914		3998
2915	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4001
2919	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4004	$signal->wait;
2922	}	4005	}
2923		4006
2924	my $min = 1e6;#d#	4007	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2934	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"
2935	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2936	return;	4011	return;
2937	}	4012	}
2938		4013
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2942		4015
2943	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4017
2949	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4020	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4022	write_runtime_sync
2954		4023	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4024	};
		4025	}
2965		4026
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4028	$sig->send;
2982	}	4029	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4031	$sig->send;
2985	}	4032	}
2986		4033
2987	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4036
2998	_post_tick;	4037	if (0) {
2999		4038	if ($NEXT_TICK) {
3000		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3001	},	4043	}
3002	);	4044	}
3003		4045
3004	{	4046	{
3005	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4048
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3015		4050	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4052
3031	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3032	$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);
3033		4060
3034	cf::sync_job {	4061	cf::sync_job {
3035	eval {	4062	eval {
3036	BDB::db_env_open	4063	BDB::db_env_open
3037	$DB_ENV,	4064	$DB_ENV,
…		…
3039	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
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4068	0666;
3042		4069
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4071	};
3048		4072
3049	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4074	};
3051	}	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	};
3052	}	4086	}
3053		4087
3054	{	4088	{
		4089	# configure IO::AIO
		4090
3055	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4094	}
3068		4095
3069	my $_log_backtrace;	4096	my $_log_backtrace;
3070		4097
3071	sub _log_backtrace {	4098	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4101	$msg =~ s/\n//;
3075		4102
3076	# limit the # of concurrent backtraces	4103	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4104	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
3079	async {	4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
3080	my @bt = fork_call {	4110	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4111	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	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 |"
3084	or die "addr2line: $!";	4114	or die "addr2line: $!";
…		…
3092	}	4122	}
3093		4123
3094	@funcs	4124	@funcs
3095	};	4125	};
3096		4126
3097	LOG llevInfo, "[ABT] $msg\n";	4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4129	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4130	--$_log_backtrace;
3100	};	4131	};
3101	} else {	4132	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4133	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4134	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4135	}
3105	}	4136	}
3106		4137
3107	# load additional modules	4138	# load additional modules
3108	use cf::pod;	4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
3109		4141
3110	END { cf::emergency_save }	4142	END { cf::emergency_save }
3111		4143
3112	1	4144	1
3113		4145

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