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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
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		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
95	binmode STDOUT;	141	binmode STDOUT;
96	binmode STDERR;	142	binmode STDERR;
97		143
98	# read virtual server time, if available	144	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
103	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
104		152
105	mkdir $_	153	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		155
108	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
139		187
140	=item $cf::TICK	188	=item $cf::TICK
141		189
142	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
143		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
144	=item %cf::CFG	202	=item %cf::CFG
145		203
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	205	from wherever your confdir points to.
148		206
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		208
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
		218
155	=back	219	=back
156		220
157	=cut	221	=cut
158		222
159	BEGIN {	223	BEGIN {
…		…
163	$msg .= "\n"	227	$msg .= "\n"
164	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
165		229
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		231
168	utf8::encode $msg;
169	LOG llevError, $msg;	232	LOG llevError, $msg;
170	};	233	};
171	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
172		250
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		258
180	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	260	# within the Safe compartment.
182	for my $pkg (qw(	261	for my $pkg (qw(
183	cf::global cf::attachable	262	cf::global cf::attachable
184	cf::object cf::object::player	263	cf::object cf::object::player
185	cf::client cf::player	264	cf::client cf::player
186	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
187	cf::map cf::party cf::region	267	cf::party cf::region
188	)) {	268	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	270	}
192		271
193	$Event::DIED = sub {	272	$EV::DIED = sub {
194	warn "error in event callback: @_";	273	warn "error in event callback: @_";
195	};	274	};
		275
		276	#############################################################################
196		277
197	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
198		279
199	=over 4	280	=over 4
200		281
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	301	$d
221	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
222	}	303	}
223		304
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
227		306
228	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
229		308
230	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
231		310
232	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
233		312
		313	=cut
		314
		315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		316
		317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
234	=item cf::lock_wait $string	334	=item cf::lock_wait $string
235		335
236	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
237		337
238	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
239		339
240	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
243	returned.	343	returned.
244		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
245	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
247		350
248	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
249		352
250	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
251		354
252	=cut	355	=cut
253		356
254	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
255		358
256	sub lock_wait($) {	359	sub lock_wait($) {
257	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	361	}
265		362
266	sub lock_acquire($) {	363	sub lock_acquire($) {
267	my ($key) = @_;	364	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	365	}
279		366
280	sub lock_active($) {	367	sub lock_active($) {
281	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	369	}
285		370
286	sub freeze_mainloop {	371	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
288		373
289	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
291	};	435	}
292	$TICK_WATCHER->stop;	436	};
293	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
294	}	450	}
295		451
296	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
297		453
298	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		459
304	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
305		461
306	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
307		463
308	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
311		468
312	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
315	fast or be very important.	472	fast or be very important.
…		…
318		475
319	sub sync_job(&) {	476	sub sync_job(&) {
320	my ($job) = @_;	477	my ($job) = @_;
321		478
322	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
323	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
325		484
326	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	486
328	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
329		488
330	my $busy = 1;	489	my $busy = 1;
331	my @res;	490	my @res;
332		491
333	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	494	@res = eval { $job->() };
335	warn $@ if $@;	495	warn $@ if $@;
336	undef $busy;	496	undef $busy;
337	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
338		498
339	while ($busy) {	499	while ($busy) {
340	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
341	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
342		510
343	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
344	} else {	512	} else {
345	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
346		514
…		…
366	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
367		535
368	$coro	536	$coro
369	}	537	}
370		538
371	sub write_runtime {	539	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		540
374	my $runtime = "$LOCALDIR/runtime";	541	Executes the given code block with the given arguments in a seperate
		542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
375		545
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	=cut
377	or return;
378		547
379	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		550
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
384	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
385		554
386	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	556	reset_signals;
388	and return;	557	&$cb
		558	}, @args;
389		559
390	close $fh	560	wantarray ? @res : $res[-1]
391	or return;	561	}
392		562
393	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
394	and return;
395		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
396	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
397	}	715	}
398		716
399	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
400		718
401	Log a datalog packet of the given type with the given key-value pairs.	719	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		731
414	#############################################################################	732	#############################################################################
415		733
416	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
417		735
418	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
421		739
422	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	742	Deliantra).
425		743
426	=over 4	744	=over 4
427		745
428	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
429		747
…		…
473	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
474		792
475	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
477		795
478	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
480		798
481	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
482		800
483	=over 4	801	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
593		911
594	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		916
599	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	918	my $pkg = shift @arg;
601		919
602	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
632	}	950	}
633		951
634	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
635	} else {	953	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	955	}
638		956
639	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
640	}	958	}
641		959
…		…
643	if (ref $_[0]) {	961	if (ref $_[0]) {
644	_object_attach @_;	962	_object_attach @_;
645	} else {	963	} else {
646	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
647	}	965	}
		966	_recalc_want;
648	};	967	};
649		968
650	# all those should be optimised	969	# all those should be optimised
651	sub cf::attachable::detach {	970	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
656	reattach ($obj);	975	reattach ($obj);
657	} else {	976	} else {
658	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
659	}	978	}
		979	_recalc_want;
660	};	980	};
661		981
662	sub cf::attachable::attached {	982	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
664		984
…		…
679	";	999	";
680	die if $@;	1000	die if $@;
681	}	1001	}
682		1002
683	our $override;	1003	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1005
686	sub override {	1006	sub override {
687	$override = 1;	1007	$override = 1;
688	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
689	}	1009	}
690		1010
691	sub do_invoke {	1011	sub do_invoke {
692	my $event = shift;	1012	my $event = shift;
693	my $callbacks = shift;	1013	my $callbacks = shift;
694		1014
695	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
696		1016
697	local $override;	1017	local $override;
698		1018
699	for (@$callbacks) {	1019	for (@$callbacks) {
700	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
709	}	1029	}
710		1030
711	0	1031	0
712	}	1032	}
713		1033
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1035
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1037
718	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
719		1039
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1043
724	=back	1044	=back
725		1045
726	=cut	1046	=cut
727		1047
728	#############################################################################	1048	#############################################################################
729	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
730		1092
731	sub reattach {	1093	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1095	my ($obj) = @_;
734		1096
		1097	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1099
737	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
738		1101
739	@$registry = ();	1102	@$registry = ();
740		1103
…		…
755	cf::attachable->attach (	1118	cf::attachable->attach (
756	prio => -1000000,	1119	prio => -1000000,
757	on_instantiate => sub {	1120	on_instantiate => sub {
758	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
759		1122
760	$data = from_json $data;	1123	$data = decode_json $data;
761		1124
762	for (@$data) {	1125	for (@$data) {
763	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
764		1127
765	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1144	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
783		1146
784	sync_job {	1147	sync_job {
785	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
788		1152
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	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;
		1158	aio_fsync $fh;
		1159	}
793	close $fh;	1160	aio_close $fh;
794		1161
795	if (@$objs) {	1162	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	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;
		1169	aio_fsync $fh;
		1170	}
801	close $fh;	1171	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
803	}	1173	}
804	} else {	1174	} else {
805	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
806	}	1176	}
807		1177
808	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1182	} else {
810	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
811	}	1184	}
812	} else {	1185	} else {
813	aio_unlink $filename;	1186	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
815	}	1188	}
816	}	1189	};
817	}	1190	}
818		1191
819	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
821		1194
…		…
833	or return;	1206	or return;
834		1207
835	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
837	or return;	1210	or return;
		1211
838	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
839	}	1214	}
840		1215
		1216	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
843	return ($data, $av);	1220	($data, $av)
844	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
845		1228
846	#############################################################################	1229	#############################################################################
847	# command handling &c	1230	# command handling &c
848		1231
849	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1246	}
864		1247
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1249
867	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
868		1255
869	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
870	called.	1257	called.
871		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
872	=cut	1270	=cut
873		1271
874	sub register_extcmd {	1272	sub register_extcmd {
875	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
876		1274
877	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
878	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
879		1285
880	cf::player->attach (	1286	cf::player->attach (
881	on_command => sub {	1287	on_command => sub {
882	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
883		1289
…		…
891	cf::override;	1297	cf::override;
892	},	1298	},
893	on_extcmd => sub {	1299	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
895		1301
896	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1303
898	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
904	} else {	1319	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1321	}
907		1322
908	cf::override;	1323	cf::override;
909	},	1324	},
910	);	1325	);
911		1326
		1327	# "readahead" all extensions
912	sub load_extension {	1328	sub cache_extensions {
913	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
914		1330
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1334	}
940	die $@;
941	}	1335	};
942		1336
943	push @EXTS, $pkg;	1337	$grp
944	}	1338	}
945		1339
946	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
947	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1345	next unless -r $path;
949	eval {	1346
950	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
951	1	1403	}
952	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
953	}	1409	};
954	}	1410	}
955		1411
956	#############################################################################	1412	#############################################################################
957		1413
		1414	=back
		1415
958	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
959		1417
960	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
961		1419
962	=cut	1420	=cut
963		1421
964	package cf::player;	1422	package cf::player;
965		1423
966	use Coro::AIO;	1424	use Coro::AIO;
967		1425
968	=head3 cf::player	1426	=head3 cf::player
969		1427
970	=over 4	1428	=over 4
		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
971		1443
972	=item cf::player::find $login	1444	=item cf::player::find $login
973		1445
974	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
975		1447
…		…
994		1466
995	sub exists($) {	1467	sub exists($) {
996	my ($login) = @_;	1468	my ($login) = @_;
997		1469
998	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1000	}	1472	}
1001		1473
1002	sub find($) {	1474	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1476	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1487
1016	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1019	}	1497	}
1020	}	1498	}
1021	}	1499	}
1022		1500
…		…
1031	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1032		1510
1033	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1035		1513
		1514	cf::get_slot 0.01;
		1515
1036	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1037	Coro::cede;	1517	cf::cede_to_tick;
1038	}	1518	}
1039		1519
1040	sub new($) {	1520	sub new($) {
1041	my ($login) = @_;	1521	my ($login) = @_;
1042		1522
…		…
1048	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1049		1529
1050	$self	1530	$self
1051	}	1531	}
1052		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1053	=item $pl->quit_character	1543	=item $pl->quit_character
1054		1544
1055	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1057		1547
…		…
1061	my ($pl) = @_;	1551	my ($pl) = @_;
1062		1552
1063	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1064		1554
1065	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1557
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1072		1564
1073	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1602	or return [];
1111		1603
1112	my @logins;	1604	my @logins;
1113		1605
1114	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1118		1616
1119	utf8::decode $login;	1617	utf8::decode $login;
1120	push @logins, $login;	1618	push @logins, $login;
1121	}	1619	}
1122		1620
…		…
1149	}	1647	}
1150		1648
1151	\@paths	1649	\@paths
1152	}	1650	}
1153		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1154	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1155		1657
1156	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1157		1659
1158	=cut	1660	=cut
1159		1661
1160	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1162		1664
1163	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1666	}
1167		1667
1168	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1169		1669
1170	Sends an ext event to the client.	1670	Sends an ext event to the client.
1171		1671
1172	=cut	1672	=cut
1173		1673
1174	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1176		1676
1177	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1178	}	1678	}
1179		1679
1180	=head3 cf::region	1680	=head3 cf::region
1181		1681
1182	=over 4	1682	=over 4
…		…
1185		1685
1186	package cf::region;	1686	package cf::region;
1187		1687
1188	=item cf::region::find_by_path $path	1688	=item cf::region::find_by_path $path
1189		1689
1190	Tries to decuce the probable region for a map knowing only its path.	1690	Tries to decuce the likely region for a map knowing only its path.
1191		1691
1192	=cut	1692	=cut
1193		1693
1194	sub find_by_path($) {	1694	sub find_by_path($) {
1195	my ($path) = @_;	1695	my ($path) = @_;
1196		1696
1197	my ($match, $specificity);	1697	my ($match, $specificity);
1198		1698
1199	for my $region (list) {	1699	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1700	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1701	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1702	if $region->specificity > $specificity;
1203	}	1703	}
1204	}	1704	}
1205		1705
…		…
1226	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1228		1728
1229	sub generate_random_map {	1729	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1231	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1735	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1772	my ($self, $merge) = @_;
1270		1773
1271	# we have to keep some variables in memory intact	1774	# we have to keep some variables in memory intact
1272	local $self->{path};	1775	local $self->{path};
1273	local $self->{load_path};	1776	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1777
1277	$self->SUPER::thawer_merge ($merge);	1778	$self->SUPER::thawer_merge ($merge);
1278	}	1779	}
1279		1780
1280	sub normalise {	1781	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1328	return $self;	1829	return $self;
1329	}	1830	}
1330	}	1831	}
1331		1832
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1834	()
1334	}	1835	}
1335		1836
1336	sub init {	1837	sub init {
1337	my ($self) = @_;	1838	my ($self) = @_;
…		…
1359		1860
1360	# the temporary/swap location	1861	# the temporary/swap location
1361	sub save_path {	1862	sub save_path {
1362	my ($self) = @_;	1863	my ($self) = @_;
1363		1864
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1366	}	1867	}
1367		1868
1368	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1369	sub uniq_path {	1870	sub uniq_path {
1370	my ($self) = @_;	1871	my ($self) = @_;
1371		1872
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1374	}	1875	}
1375		1876
1376	# and all this just because we cannot iterate over	1877	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1878	my ($self) = @_;
1380		1879
1381	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1383	}	1883	}
1384		1884
1385	sub unlink_save {	1885	sub unlink_save {
1386	my ($self) = @_;	1886	my ($self) = @_;
1387		1887
…		…
1392		1892
1393	sub load_header_from($) {	1893	sub load_header_from($) {
1394	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1395		1895
1396	utf8::encode $path;	1896	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1402		1905
1403	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1404		1907
1405	1	1908	1
1406	}	1909	}
…		…
1445	$self->load_header_orig	1948	$self->load_header_orig
1446	or return;	1949	or return;
1447	$self->prepare_orig;	1950	$self->prepare_orig;
1448	}	1951	}
1449		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1450	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1957	unless $self->default_region;
1452		1958
1453	1	1959	1
1454	}	1960	}
…		…
1457	sub find {	1963	sub find {
1458	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1459		1965
1460	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1461		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1463		1970
1464	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1467	or return;	1973	or return;
1468		1974
1469	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1470		1976
1471	$map->load_header	1977	$map->load_header
1472	or return;	1978	or return;
1473		1979
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1477	$map->reset;	1985	$map->reset;
1478	undef $guard;
1479	return find $path;	1986	return find $path;
1480	}	1987	}
1481		1988
1482	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1483	}	1990	}
…		…
1490	my ($self) = @_;	1997	my ($self) = @_;
1491		1998
1492	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1493		2000
1494	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1496		2005
		2006	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2008
1499	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1500		2010
1501	$self->alloc;	2011	$self->alloc;
1502		2012
1503	$self->pre_load;	2013	$self->pre_load;
1504	Coro::cede;	2014	cf::cede_to_tick;
1505		2015
1506	$self->_load_objects ($self->{load_path}, 1)	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1507	or return;	2019	or return;
1508		2020
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1510	if delete $self->{load_original};	2022	if delete $self->{load_original};
1511		2023
1512	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2025	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2028	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1517	}	2032	}
1518	}	2033	}
1519		2034
1520	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1521	# now do the right thing for maps	2038	# now do the right thing for maps
1522	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2041	unless $self->difficulty;
1533	Coro::cede;	2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1534	$self->activate;	2049	$self->activate;
1535	Coro::cede;	2050	}
		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
		2055	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2056	}
1537		2057
1538	$self->post_load;	2058	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2059	}
1543		2060
1544	sub customise_for {	2061	sub customise_for {
1545	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1546		2063
1547	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2065	if $self->per_player;
1549		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1550	$self	2070	$self
1551	}	2071	}
1552		2072
1553	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2074	sub load_neighbours {
1555	my ($map) = @_;	2075	my ($map) = @_;
1556		2076
1557	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1558		2078
1559	for (0 .. 3) {	2079	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1561	or next;	2081	or next;
1562	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1563	or next;	2083	or next;
1564	$neigh->load;	2084	$neigh->load;
1565		2085
		2086	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2089	}
1569		2090
1570	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1572	or next;	2094	or next;
1573	$neigh->load;	2095	$neigh->load;
1574	}	2096	}
1575	}	2097	}
1576		2098
…		…
1581	}	2103	}
1582		2104
1583	sub do_load_sync {	2105	sub do_load_sync {
1584	my ($map) = @_;	2106	my ($map) = @_;
1585		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1586	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1587	}	2112	}
1588		2113
1589	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1591		2116
1592	sub find_async {	2117	sub find_async {
1593	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1594		2119
1595	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1596		2121
1597	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2124	}
1600		2125
1601	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1602	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1603	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2133	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2134	$map->load if $v;
		2135	}
1608		2136
1609	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1610	}	2138	}
1611	}	2139	}
1612	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1613	};	2141	};
1614	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2145	}
1618		2146
1619	sub save {	2147	sub save {
1620	my ($self) = @_;	2148	my ($self) = @_;
1621		2149
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2151
1624	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1625		2153
1626	return unless $self->dirty;	2154	return unless $self->dirty;
1627		2155
…		…
1633	return if $self->{deny_save};	2161	return if $self->{deny_save};
1634		2162
1635	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1636		2164
1637	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1639	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1640		2171
1641	if ($uniq) {	2172	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2175	} else {
…		…
1650	my ($self) = @_;	2181	my ($self) = @_;
1651		2182
1652	# save first because save cedes	2183	# save first because save cedes
1653	$self->save;	2184	$self->save;
1654		2185
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2187
1657	return if $self->players;	2188	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1659	return if $self->{deny_save};	2190	return if $self->{deny_save};
1660		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2196	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2197	}
1664		2198
1665	sub reset_at {	2199	sub reset_at {
1666	my ($self) = @_;	2200	my ($self) = @_;
1667		2201
1668	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1671		2204
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2207
…		…
1685	my ($self) = @_;	2218	my ($self) = @_;
1686		2219
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2221
1689	return if $self->players;	2222	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2223
1692	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
1693		2225
1694	$self->in_memory (cf::MAP_SWAPPED);	2226	$self->in_memory (cf::MAP_SWAPPED);
1695		2227
1696	# need to save uniques path	2228	# need to save uniques path
1697	unless ($self->{deny_save}) {	2229	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2233	if $uniq;
1702	}	2234	}
1703		2235
1704	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1705		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2240	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2241
1710	$self->unlink_save;	2242	$self->unlink_save;
1711	$self->destroy;	2243	$self->destroy;
1712	}	2244	}
1713		2245
1714	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1715		2247
1716	sub nuke {	2248	sub nuke {
1717	my ($self) = @_;	2249	my ($self) = @_;
1718		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
1719	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
1720		2255
1721	$self->unlink_save;	2256	$self->unlink_save;
1722		2257
1723	bless $self, "cf::map";	2258	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2263
1729	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
1730		2266
1731	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
		2268	}
		2269
		2270	=item $maps = cf::map::tmp_maps
		2271
		2272	Returns an arrayref with all map paths of currently instantiated and saved
		2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
		2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
		2287
		2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1732	}	2304	}
1733		2305
1734	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1735		2307
1736	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2309	instantiated unique items. May block.
1738		2310
1739	=cut	2311	=cut
1740		2312
1741	sub unique_maps() {	2313	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2314	[
1743	or return;	2315	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2316	utf8::decode $_;
1749	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2319	? ()
1752	push @paths, cf::map::normalise $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2322	]
1754
1755	\@paths
1756	}	2323	}
1757
1758	package cf;
1759		2324
1760	=back	2325	=back
1761		2326
1762	=head3 cf::object	2327	=head3 cf::object
1763		2328
…		…
1767		2332
1768	=over 4	2333	=over 4
1769		2334
1770	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1771		2336
1772	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1773		2339
1774	=cut	2340	=cut
1775		2341
1776	sub inv_recursive_;	2342	sub inv_recursive_;
1777	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1780		2346
1781	sub inv_recursive {	2347	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1783	}	2349	}
1784		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1785	package cf;	2379	package cf;
1786		2380
1787	=back	2381	=back
1788		2382
1789	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1798		2392
1799	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1800		2408
1801	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2410	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1806		2414
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2416
1809	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1811	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1814	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1815	}	2442	}
1816		2443
1817	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1818		2445
1819	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1832		2459
1833	=item $player_object->enter_link	2460	=item $player_object->enter_link
1834		2461
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2463
1837	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
1839		2468
1840	Will never block.	2469	Will never block.
1841		2470
1842	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1843		2472
…		…
1866	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1867		2496
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2498
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1872		2501
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2503	}
1875		2504
1876	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1878		2509
1879	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1880		2511
1881	unless ($map) {	2512	unless ($map) {
1882	# restore original map position	2513	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1899		2530
1900	$map->load;	2531	$map->load;
1901	$map->load_diag;	2532	$map->load_neighbours;
1902		2533
1903	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1904	$self->activate_recursive;	2536	$self->activate_recursive;
1905		2537
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1908	}	2540	}
1909		2541
1910	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2543
1914	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1918	};	2548	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2549
1924	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1925	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2552
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1945		2556
1946	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2562
1949	$self->enter_link;	2563	$self->enter_link;
1950		2564
1951	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1952	my $map = eval {	2587	my $map = eval {
1953	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1955	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2603	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1960	})->prio (1);	2611	})->prio (1);
1961	}	2612	}
1962		2613
1963	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1964		2615
…		…
1984	}	2635	}
1985		2636
1986	sub prepare_random_map {	2637	sub prepare_random_map {
1987	my ($exit) = @_;	2638	my ($exit) = @_;
1988		2639
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2642	# that depends on the exit object
1994		2643
1995	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2646	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2002	}	2653	}
2003		2654
2004	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2005		2656
2006	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2009		2660
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2663	undef $fh;
2013	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2014		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2017	}	2672	}
2018	}	2673	}
2019		2674
2020	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2022		2677
2023	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2024		2679
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2680	$self->enter_link;
2037		2681
2038	(async {	2682	(async {
2039	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2040	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2041	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2042		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2043	1;	2706	1
2044	}) {	2707	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2712
2050	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2069		2732
2070	utf8::encode $text;	2733	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2735	}
2073		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
2074	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2075		2898
2076	Sends an exti event to the client.	2899	Sends an ext event to the client.
2077		2900
2078	=cut	2901	=cut
2079		2902
2080	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2082		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2085	}	2930	}
2086		2931
2087	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2088		2933
2089	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2937
2093	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2939	become reliable at some point in the future.
2095		2940
2096	=cut	2941	=cut
2097		2942
2098	sub cf::client::query {	2943	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2952	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2954
2110	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2112	}	2959	}
2113		2960
2114	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2115	on_reply => sub {	2967	on_reply => sub {
2116	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2117		2969
2118	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2119	# get handled first	2971	# get handled first
…		…
2131	} else {	2983	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2985	}
2134	}	2986	}
2135	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2136	);	3014	);
2137		3015
2138	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2139		3017
2140	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2183		3061
2184	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2185		3063
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2187		3069
2188	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2189		3071
2190	=pod	3072	=pod
2191		3073
2192	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2193		3075
2194	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2195	cf::object::player player	3081	cf::object::player
2196	cf::player peaceful	3082	player
2197	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2198		3089
2199	=cut	3090	=cut
2200		3091
2201	for (	3092	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2203	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2206	) {	3099	) {
2207	no strict 'refs';	3100	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2226	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2227		3120
2228	my $qcode = $code;	3121	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2231		3126
2232	local $_;	3127	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2234		3129
2235	my $eval =	3130	my $eval =
…		…
2278	=back	3173	=back
2279		3174
2280	=cut	3175	=cut
2281		3176
2282	#############################################################################	3177	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3178	# the server's init and main functions
2457		3179
2458	sub load_facedata($) {	3180	sub load_facedata($) {
2459	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3188
2461	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2462		3190
2463	my $facedata;	3191	my $facedata;
2464	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2468		3196
2469	$facedata->{version} == 2	3197	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2472	{	3207	{
2473	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2474		3209
2475	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3217
		3218	cf::cede_to_tick;
2481	}	3219	}
2482		3220
2483	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2485	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2486	or next;	3225	or next;
		3226
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3230	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3232	}
2492	Coro::cede;	3233
		3234	cf::cede_to_tick;
2493	}	3235	}
2494	}	3236	}
2495		3237
2496	{	3238	{
2497	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2498		3240
2499	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3243	cf::cede_to_tick;
2502	}	3244	}
2503		3245
2504	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2505	}	3247	}
2506		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2507	1	3284	1
2508	}	3285	}
2509		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2510	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2511	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2513	}	3337	}
2514		3338
2515	sub reload_facedata {	3339	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2528	}	3352	}
2529		3353
2530	sub reload_resources {	3354	sub reload_resources {
2531	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2532		3356
2533	reload_regions;
2534	reload_facedata;	3357	reload_facedata;
2535	reload_archetypes;	3358	reload_archetypes;
		3359	reload_regions;
2536	reload_treasures;	3360	reload_treasures;
2537		3361
2538	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2539	}	3363	}
2540		3364
2541	sub init {	3365	sub reload_config {
2542	reload_resources;
2543	}
2544
2545	sub cfg_load {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3367	or return;
2548		3368
2549	local $/;	3369	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2551		3371
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3373
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2561	};	3381	};
2562	warn $@ if $@;	3382	warn $@ if $@;
2563	}	3383	}
2564	}	3384	}
2565		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2566	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2567	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3423	(async {
2571	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2573	};	3427	};
2574		3428
2575	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2576	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2577	load_extensions;	3447	load_extensions;
2578		3448
2579	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2580	Event::loop;	3457	EV::loop;
2581	}	3458	}
2582		3459
2583	#############################################################################	3460	#############################################################################
2584	# initialisation and cleanup	3461	# initialisation and cleanup
2585		3462
2586	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2587	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2596	},
2597	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2598	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2599	}	3557	}
2600		3558
2601	sub emergency_save() {	3559	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2603		3561
2604	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2605		3563
2606	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2607	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3578	$pl->save;
2615	}	3579	}
2616	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2617		3581
2618	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3585	$map->valid or next;
2622	$map->save;	3586	$map->save;
2623	}	3587	}
2624	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2625		3589
2626	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2629	};	3597	};
2630		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2631	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2632	}	3605	}
2633		3606
2634	sub post_cleanup {	3607	sub post_cleanup {
2635	my ($make_core) = @_;	3608	my ($make_core) = @_;
2636		3609
2637	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
2639	}	3641	}
2640		3642
2641	sub do_reload_perl() {	3643	sub do_reload_perl() {
2642	# can/must only be called in main	3644	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2644	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2645	return;	3647	return;
2646	}	3648	}
2647		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2648	warn "reloading...";	3655	warn "reloading...";
2649		3656
2650	warn "entering sync_job";	3657	warn "entering sync_job";
2651		3658
2652	cf::sync_job {	3659	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3661	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
2656		3663
2657	warn "syncing database to disk";	3664	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3666
2660	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2661		3668
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2673	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();
2681
2682	warn "removing commands";
2683	%COMMAND = ();
2684
2685	warn "removing ext commands";
2686	%EXTCMD = ();
2687
2688	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";
2691
2692	if (my $cb = $pkg->can ("unload")) {
2693	eval {
2694	$cb->($pkg);
2695	1
2696	} or warn "$pkg unloaded, but with errors: $@";
2697	}	3672	}
2698		3673
2699	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2700	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2701	}	3676	%EXT_CORO = ();
2702		3677
2703	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2704	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2707	warn "... unloading $k";	3687	warn "... unloading $pkg";
2708	delete $INC{$k};
2709		3688
2710	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;
2712
2713	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2714	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2715	}	3698	}
2716		3699
2717	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2718	}	3715	}
2719		3716
2720	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3720
2724	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		3724
2728	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3726	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2731		3728
2732	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2733		3730
2734	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2735	require cf;	3732	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3734
2738	warn "loading config and database again";	3735	warn "loading config and database again";
2739	cf::cfg_load;	3736	cf::reload_config;
2740		3737
2741	warn "loading extensions";	3738	warn "loading extensions";
2742	cf::load_extensions;	3739	cf::load_extensions;
2743		3740
		3741	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
2750		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
2751	warn "leaving sync_job";	3753	warn "leaving sync_job";
2752		3754
2753	1	3755	1
2754	} or do {	3756	} or do {
2755	warn $@;	3757	warn $@;
2756	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3759	};
2759		3760
2760	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
2761	};	3767	};
2762		3768
2763	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
2764		3770
2765	sub reload_perl() {	3771	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
2768		3774
2769	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	3777
2772	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	3779	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
2776	},	3781	};
2777	);	3782	};
2778	}	3783	}
2779		3784
2780	register_command "reload" => sub {	3785	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2782		3787
2783	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3792	reload_perl;
		3793	};
2786	}	3794	}
2787	};	3795	};
2788		3796
2789	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2790		3798
…		…
2792		3800
2793	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
2795		3803
2796	sub wait_for_tick {	3804	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
2799		3806
2800	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3809	$signal->wait;
2803	}	3810	}
2804		3811
2805	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
2808		3814
2809	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3817	$signal->wait;
2812	}	3818	}
2813		3819
2814	$TICK_WATCHER = Event->timer (	3820	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
2824	return;	3824	return;
2825	}	3825	}
2826		3826
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2830		3828
2831	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;
2833
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3831	Coro::async_pool {
		3832	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3833	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3835	};
		3836	}
2841		3837
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3839	$sig->send;
2853	}	3840	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3842	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	3843	}
2860	);	3844
		3845	$LOAD = ($NOW - $TICK_START) / $TICK;
		3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3847
		3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
		3854	}
		3855	}
2861		3856
2862	{	3857	{
2863	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3859
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
2873		3861	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3863
2889	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3871
2892	cf::sync_job {	3872	cf::sync_job {
2893	eval {	3873	eval {
2894	BDB::db_env_open	3874	BDB::db_env_open
2895	$DB_ENV,	3875	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3879	0666;
2900		3880
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3882	};
2906		3883
2907	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3885	};
2909	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
2910	}	3897	}
2911		3898
2912	{	3899	{
		3900	# configure IO::AIO
		3901
2913	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	3905	}
2919	data => WF_AUTOCANCEL,	3906
2920	fd => IO::AIO::poll_fileno,	3907	my $_log_backtrace;
2921	poll => 'r',	3908
2922	prio => 6,	3909	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3910	my ($msg, @addr) = @_;
2924	);	3911
		3912	$msg =~ s/\n//;
		3913
		3914	# limit the # of concurrent backtraces
		3915	if ($_log_backtrace < 2) {
		3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
		3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
		3921	my @bt = fork_call {
		3922	@addr = map { sprintf "%x", $_ } @addr;
		3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3925	or die "addr2line: $!";
		3926
		3927	my @funcs;
		3928	my @res = <$fh>;
		3929	chomp for @res;
		3930	while (@res) {
		3931	my ($func, $line) = splice @res, 0, 2, ();
		3932	push @funcs, "[$func] $line";
		3933	}
		3934
		3935	@funcs
		3936	};
		3937
		3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3940	LOG llevInfo, "[ABT] $_\n" for @bt;
		3941	--$_log_backtrace;
		3942	};
		3943	} else {
		3944	LOG llevInfo, "[ABT] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
		3946	}
2925	}	3947	}
2926		3948
2927	# load additional modules	3949	# load additional modules
2928	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
2929		3951
2930	END { cf::emergency_save }	3952	END { cf::emergency_save }
2931		3953
2932	1	3954	1
2933		3955

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