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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.470 by root, Sun Apr 26 19:42:45 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 {
…		…
161	my $msg = join "", @_;	225	my $msg = join "", @_;
162		226
163	$msg .= "\n"	227	$msg .= "\n"
164	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
165		229
166	$msg =~ s/([\x00-\x09\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	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1157	aio_close $fh;
794		1158
795	if (@$objs) {	1159	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1165	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
803	}	1167	}
804	} else {	1168	} else {
805	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
806	}	1170	}
807		1171
808	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1176	} else {
810	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
811	}	1178	}
812	} else {	1179	} else {
813	aio_unlink $filename;	1180	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
815	}	1182	}
816	}	1183	};
817	}	1184	}
818		1185
819	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
821		1188
…		…
833	or return;	1200	or return;
834		1201
835	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
837	or return;	1204	or return;
		1205
838	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
839	}	1208	}
840		1209
		1210	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
843	return ($data, $av);	1214	($data, $av)
844	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
845		1222
846	#############################################################################	1223	#############################################################################
847	# command handling &c	1224	# command handling &c
848		1225
849	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1240	}
864		1241
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1243
867	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
868		1249
869	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
870	called.	1251	called.
871		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
872	=cut	1264	=cut
873		1265
874	sub register_extcmd {	1266	sub register_extcmd {
875	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
876		1268
877	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
878	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
879		1279
880	cf::player->attach (	1280	cf::player->attach (
881	on_command => sub {	1281	on_command => sub {
882	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
883		1283
…		…
891	cf::override;	1291	cf::override;
892	},	1292	},
893	on_extcmd => sub {	1293	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
895		1295
896	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1297
898	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
904	} else {	1313	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1315	}
907		1316
908	cf::override;	1317	cf::override;
909	},	1318	},
910	);	1319	);
911		1320
		1321	# "readahead" all extensions
912	sub load_extension {	1322	sub cache_extensions {
913	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
914		1324
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
916	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1327	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	}	1328	}
940	die $@;
941	}	1329	};
942		1330
943	push @EXTS, $pkg;	1331	$grp
944	}	1332	}
945		1333
946	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
947	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1339	next unless -r $path;
949	eval {	1340
950	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
951	1	1397	}
952	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
953	}	1403	};
954	}	1404	}
955		1405
956	#############################################################################	1406	#############################################################################
957		1407
		1408	=back
		1409
958	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
959		1411
960	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
961		1413
962	=cut	1414	=cut
963		1415
964	package cf::player;	1416	package cf::player;
965		1417
966	use Coro::AIO;	1418	use Coro::AIO;
967		1419
968	=head3 cf::player	1420	=head3 cf::player
969		1421
970	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
971		1437
972	=item cf::player::find $login	1438	=item cf::player::find $login
973		1439
974	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
975		1441
…		…
994		1460
995	sub exists($) {	1461	sub exists($) {
996	my ($login) = @_;	1462	my ($login) = @_;
997		1463
998	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1000	}	1466	}
1001		1467
1002	sub find($) {	1468	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1470	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1481
1016	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1019	}	1491	}
1020	}	1492	}
1021	}	1493	}
1022		1494
…		…
1031	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1032		1504
1033	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1035		1507
		1508	cf::get_slot 0.01;
		1509
1036	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1037	Coro::cede;	1511	cf::cede_to_tick;
1038	}	1512	}
1039		1513
1040	sub new($) {	1514	sub new($) {
1041	my ($login) = @_;	1515	my ($login) = @_;
1042		1516
…		…
1048	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1049		1523
1050	$self	1524	$self
1051	}	1525	}
1052		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1053	=item $pl->quit_character	1537	=item $pl->quit_character
1054		1538
1055	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1057		1541
…		…
1061	my ($pl) = @_;	1545	my ($pl) = @_;
1062		1546
1063	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1064		1548
1065	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1551
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1072		1558
1073	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1596	or return [];
1111		1597
1112	my @logins;	1598	my @logins;
1113		1599
1114	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1118		1610
1119	utf8::decode $login;	1611	utf8::decode $login;
1120	push @logins, $login;	1612	push @logins, $login;
1121	}	1613	}
1122		1614
…		…
1149	}	1641	}
1150		1642
1151	\@paths	1643	\@paths
1152	}	1644	}
1153		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1154	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1155		1651
1156	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1157		1653
1158	=cut	1654	=cut
1159		1655
1160	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1162		1658
1163	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1660	}
1167		1661
1168	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1169		1663
1170	Sends an ext event to the client.	1664	Sends an ext event to the client.
1171		1665
1172	=cut	1666	=cut
1173		1667
1174	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1176		1670
1177	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1178	}	1672	}
1179		1673
1180	=head3 cf::region	1674	=head3 cf::region
1181		1675
1182	=over 4	1676	=over 4
…		…
1185		1679
1186	package cf::region;	1680	package cf::region;
1187		1681
1188	=item cf::region::find_by_path $path	1682	=item cf::region::find_by_path $path
1189		1683
1190	Tries to decuce the probable region for a map knowing only its path.	1684	Tries to decuce the likely region for a map knowing only its path.
1191		1685
1192	=cut	1686	=cut
1193		1687
1194	sub find_by_path($) {	1688	sub find_by_path($) {
1195	my ($path) = @_;	1689	my ($path) = @_;
1196		1690
1197	my ($match, $specificity);	1691	my ($match, $specificity);
1198		1692
1199	for my $region (list) {	1693	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1694	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1695	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1696	if $region->specificity > $specificity;
1203	}	1697	}
1204	}	1698	}
1205		1699
…		…
1226	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1228		1722
1229	sub generate_random_map {	1723	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1231	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1729	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1270		1767
1271	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1272	local $self->{path};	1769	local $self->{path};
1273	local $self->{load_path};	1770	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1771
1277	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1278	}	1773	}
1279		1774
1280	sub normalise {	1775	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1328	return $self;	1823	return $self;
1329	}	1824	}
1330	}	1825	}
1331		1826
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1828	()
1334	}	1829	}
1335		1830
1336	sub init {	1831	sub init {
1337	my ($self) = @_;	1832	my ($self) = @_;
…		…
1359		1854
1360	# the temporary/swap location	1855	# the temporary/swap location
1361	sub save_path {	1856	sub save_path {
1362	my ($self) = @_;	1857	my ($self) = @_;
1363		1858
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1366	}	1861	}
1367		1862
1368	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1369	sub uniq_path {	1864	sub uniq_path {
1370	my ($self) = @_;	1865	my ($self) = @_;
1371		1866
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1374	}	1869	}
1375		1870
1376	# and all this just because we cannot iterate over	1871	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1872	my ($self) = @_;
1380		1873
1381	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1383	}	1877	}
1384		1878
1385	sub unlink_save {	1879	sub unlink_save {
1386	my ($self) = @_;	1880	my ($self) = @_;
1387		1881
…		…
1392		1886
1393	sub load_header_from($) {	1887	sub load_header_from($) {
1394	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1395		1889
1396	utf8::encode $path;	1890	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1402		1899
1403	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1404		1901
1405	1	1902	1
1406	}	1903	}
…		…
1445	$self->load_header_orig	1942	$self->load_header_orig
1446	or return;	1943	or return;
1447	$self->prepare_orig;	1944	$self->prepare_orig;
1448	}	1945	}
1449		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
1450	$self->default_region (cf::region::find_by_path $self->{path})	1950	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1951	unless $self->default_region;
1452		1952
1453	1	1953	1
1454	}	1954	}
…		…
1457	sub find {	1957	sub find {
1458	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1459		1959
1460	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1461		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1463		1964
1464	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1467	or return;	1967	or return;
1468		1968
1469	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1470		1970
1471	$map->load_header	1971	$map->load_header
1472	or return;	1972	or return;
1473		1973
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1477	$map->reset;	1979	$map->reset;
1478	undef $guard;
1479	return find $path;	1980	return find $path;
1480	}	1981	}
1481		1982
1482	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1483	}	1984	}
…		…
1490	my ($self) = @_;	1991	my ($self) = @_;
1491		1992
1492	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1493		1994
1494	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1495	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1496		1999
		2000	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2002
1499	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1500		2004
1501	$self->alloc;	2005	$self->alloc;
1502		2006
1503	$self->pre_load;	2007	$self->pre_load;
1504	Coro::cede;	2008	cf::cede_to_tick;
1505		2009
1506	$self->_load_objects ($self->{load_path}, 1)	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
		2012	$self->_load_objects ($f)
1507	or return;	2013	or return;
1508		2014
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1510	if delete $self->{load_original};	2016	if delete $self->{load_original};
1511		2017
1512	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2019	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2022	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1517	}	2026	}
1518	}	2027	}
1519		2028
1520	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1521	# now do the right thing for maps	2032	# now do the right thing for maps
1522	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($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)	2034	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2035	unless $self->difficulty;
1533	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1534	$self->activate;	2043	$self->activate;
1535	Coro::cede;	2044	}
		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
		2049	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2050	}
1537		2051
1538	$self->post_load;	2052	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2053	}
1543		2054
1544	sub customise_for {	2055	sub customise_for {
1545	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1546		2057
1547	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2059	if $self->per_player;
1549		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1550	$self	2064	$self
1551	}	2065	}
1552		2066
1553	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2068	sub load_neighbours {
1555	my ($map) = @_;	2069	my ($map) = @_;
1556		2070
1557	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1558		2072
1559	for (0 .. 3) {	2073	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1561	or next;	2075	or next;
1562	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1563	or next;	2077	or next;
1564	$neigh->load;	2078	$neigh->load;
1565		2079
		2080	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2083	}
1569		2084
1570	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1572	or next;	2088	or next;
1573	$neigh->load;	2089	$neigh->load;
1574	}	2090	}
1575	}	2091	}
1576		2092
…		…
1581	}	2097	}
1582		2098
1583	sub do_load_sync {	2099	sub do_load_sync {
1584	my ($map) = @_;	2100	my ($map) = @_;
1585		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1586	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1587	}	2106	}
1588		2107
1589	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1591		2110
1592	sub find_async {	2111	sub find_async {
1593	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1594		2113
1595	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1596		2115
1597	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2118	}
1600		2119
1601	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1602	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1603	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2127	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2128	$map->load if $v;
		2129	}
1608		2130
1609	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1610	}	2132	}
1611	}	2133	}
1612	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1613	};	2135	};
1614	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2139	}
1618		2140
1619	sub save {	2141	sub save {
1620	my ($self) = @_;	2142	my ($self) = @_;
1621		2143
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2145
1624	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1625		2147
1626	return unless $self->dirty;	2148	return unless $self->dirty;
1627		2149
…		…
1633	return if $self->{deny_save};	2155	return if $self->{deny_save};
1634		2156
1635	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1636		2158
1637	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1639	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1640		2165
1641	if ($uniq) {	2166	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2169	} else {
…		…
1650	my ($self) = @_;	2175	my ($self) = @_;
1651		2176
1652	# save first because save cedes	2177	# save first because save cedes
1653	$self->save;	2178	$self->save;
1654		2179
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2181
1657	return if $self->players;	2182	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1659	return if $self->{deny_save};	2184	return if $self->{deny_save};
1660		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2190	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2191	}
1664		2192
1665	sub reset_at {	2193	sub reset_at {
1666	my ($self) = @_;	2194	my ($self) = @_;
1667		2195
1668	# TODO: safety, remove and allow resettable per-player maps	2196	# 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};	2197	return 1e99 if $self->{deny_reset};
1671		2198
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2201
…		…
1685	my ($self) = @_;	2212	my ($self) = @_;
1686		2213
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2215
1689	return if $self->players;	2216	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2217
1692	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1693		2219
1694	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1695		2221
1696	# need to save uniques path	2222	# need to save uniques path
1697	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2227	if $uniq;
1702	}	2228	}
1703		2229
1704	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1705		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2234	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2235
1710	$self->unlink_save;	2236	$self->unlink_save;
1711	$self->destroy;	2237	$self->destroy;
1712	}	2238	}
1713		2239
1714	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1715		2241
1716	sub nuke {	2242	sub nuke {
1717	my ($self) = @_;	2243	my ($self) = @_;
1718		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1719	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1720		2249
1721	$self->unlink_save;	2250	$self->unlink_save;
1722		2251
1723	bless $self, "cf::map";	2252	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2257
1729	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1730		2260
1731	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1732	}	2298	}
1733		2299
1734	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1735		2301
1736	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2303	instantiated unique items. May block.
1738		2304
1739	=cut	2305	=cut
1740		2306
1741	sub unique_maps() {	2307	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2308	[
1743	or return;	2309	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2310	utf8::decode $_;
1749	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2313	? ()
1752	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2316	]
1754
1755	\@paths
1756	}	2317	}
1757
1758	package cf;
1759		2318
1760	=back	2319	=back
1761		2320
1762	=head3 cf::object	2321	=head3 cf::object
1763		2322
…		…
1767		2326
1768	=over 4	2327	=over 4
1769		2328
1770	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1771		2330
1772	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1773		2333
1774	=cut	2334	=cut
1775		2335
1776	sub inv_recursive_;	2336	sub inv_recursive_;
1777	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1780		2340
1781	sub inv_recursive {	2341	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1783	}	2343	}
1784		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1785	package cf;	2373	package cf;
1786		2374
1787	=back	2375	=back
1788		2376
1789	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	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	2384	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1798		2386
1799	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1800		2402
1801	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2404	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1806		2408
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2410
1809	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1811	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1814	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1815	}	2436	}
1816		2437
1817	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1818		2439
1819	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1832		2453
1833	=item $player_object->enter_link	2454	=item $player_object->enter_link
1834		2455
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2457
1837	The player should be reasonably safe there for short amounts of time. You	2458	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.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1839		2462
1840	Will never block.	2463	Will never block.
1841		2464
1842	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1843		2466
…		…
1866	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1867		2490
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2492
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1872		2495
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2497	}
1875		2498
1876	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1878		2503
1879	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1880		2505
1881	unless ($map) {	2506	unless ($map) {
1882	# restore original map position	2507	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1899		2524
1900	$map->load;	2525	$map->load;
1901	$map->load_diag;	2526	$map->load_neighbours;
1902		2527
1903	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1904	$self->activate_recursive;	2530	$self->activate_recursive;
1905		2531
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1908	}	2534	}
1909		2535
1910	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2537
1914	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1918	};	2542	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2543
1924	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1925	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1926	if ($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		2546
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1945		2550
1946	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2556
1949	$self->enter_link;	2557	$self->enter_link;
1950		2558
1951	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1952	my $map = eval {	2581	my $map = eval {
1953	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1955	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2597	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1960	})->prio (1);	2605	})->prio (1);
1961	}	2606	}
1962		2607
1963	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1964		2609
…		…
1984	}	2629	}
1985		2630
1986	sub prepare_random_map {	2631	sub prepare_random_map {
1987	my ($exit) = @_;	2632	my ($exit) = @_;
1988		2633
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2636	# that depends on the exit object
1994		2637
1995	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2640	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2002	}	2647	}
2003		2648
2004	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2005		2650
2006	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2009		2654
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2657	undef $fh;
2013	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2014		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2017	}	2666	}
2018	}	2667	}
2019		2668
2020	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2022		2671
2023	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2024		2673
2025	if ($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;	2674	$self->enter_link;
2037		2675
2038	(async {	2676	(async {
2039	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2040	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2041	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2042		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2043	1;	2700	1
2044	}) {	2701	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2706
2050	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2069		2726
2070	utf8::encode $text;	2727	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2729	}
2073		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/uptime" => {
		2809	id => "infobox",
		2810	title => "Uptime",
		2811	reply => undef,
		2812	tooltip => "How long the server has been running since last restart",
		2813	},
		2814	"c/mapinfo" => {
		2815	id => "infobox",
		2816	title => "Map Info",
		2817	reply => undef,
		2818	tooltip => "Information related to the maps",
		2819	},
		2820	"c/party" => {
		2821	id => "party",
		2822	title => "Party",
		2823	reply => "gsay ",
		2824	tooltip => "Messages and chat related to your party",
		2825	},
		2826	"c/death" => {
		2827	id => "death",
		2828	title => "Death",
		2829	reply => undef,
		2830	tooltip => "Reason for and more info about your most recent death",
		2831	},
		2832	"c/say" => $SAY_CHANNEL,
		2833	"c/chat" => $CHAT_CHANNEL,
		2834	);
		2835
		2836	sub cf::client::send_msg {
		2837	my ($self, $channel, $msg, $color, @extra) = @_;
		2838
		2839	$msg = $self->pl->expand_cfpod ($msg)
		2840	unless $color & cf::NDI_VERBATIM;
		2841
		2842	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2843
		2844	# check predefined channels, for the benefit of C
		2845	if ($CHANNEL{$channel}) {
		2846	$channel = $CHANNEL{$channel};
		2847
		2848	$self->ext_msg (channel_info => $channel);
		2849	$channel = $channel->{id};
		2850
		2851	} elsif (ref $channel) {
		2852	# send meta info to client, if not yet sent
		2853	unless (exists $self->{channel}{$channel->{id}}) {
		2854	$self->{channel}{$channel->{id}} = $channel;
		2855	$self->ext_msg (channel_info => $channel);
		2856	}
		2857
		2858	$channel = $channel->{id};
		2859	}
		2860
		2861	return unless @extra || length $msg;
		2862
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	my $pkt = "msg "
		2868	. $self->{json_coder}->encode (
		2869	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2870	);
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if (8192 < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
2074	=item $client->ext_event ($type, %msg)	2885	=item $client->ext_msg ($type, @msg)
2075		2886
2076	Sends an exti event to the client.	2887	Sends an ext event to the client.
2077		2888
2078	=cut	2889	=cut
2079		2890
2080	sub cf::client::ext_event($$%) {	2891	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2892	my ($self, $type, @msg) = @_;
2082		2893
		2894	if ($self->extcmd == 2) {
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2896	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2897	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
		2900	}
		2901
		2902	=item $client->ext_reply ($msgid, @msg)
		2903
		2904	Sends an ext reply to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_reply($$@) {
		2909	my ($self, $id, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2913	} elsif ($self->extcmd == 1) {
		2914	#TODO: version 1, remove
		2915	unshift @msg, msgtype => "reply", msgid => $id;
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2917	}
2085	}	2918	}
2086		2919
2087	=item $success = $client->query ($flags, "text", \&cb)	2920	=item $success = $client->query ($flags, "text", \&cb)
2088		2921
2089	Queues a query to the client, calling the given callback with	2922	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>,	2923	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>.	2924	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2925
2093	Queries can fail, so check the return code. Or don't, as queries will become	2926	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2927	become reliable at some point in the future.
2095		2928
2096	=cut	2929	=cut
2097		2930
2098	sub cf::client::query {	2931	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2932	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2940	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2941	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2942
2110	$self->send_packet ($self->{query_queue}[0][0])	2943	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2944	if @{ $self->{query_queue} } == 1;
		2945
		2946	1
2112	}	2947	}
2113		2948
2114	cf::client->attach (	2949	cf::client->attach (
		2950	on_connect => sub {
		2951	my ($ns) = @_;
		2952
		2953	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2954	},
2115	on_reply => sub {	2955	on_reply => sub {
2116	my ($ns, $msg) = @_;	2956	my ($ns, $msg) = @_;
2117		2957
2118	# this weird shuffling is so that direct followup queries	2958	# this weird shuffling is so that direct followup queries
2119	# get handled first	2959	# get handled first
…		…
2131	} else {	2971	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2972	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2973	}
2134	}	2974	}
2135	},	2975	},
		2976	on_exticmd => sub {
		2977	my ($ns, $buf) = @_;
		2978
		2979	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2980
		2981	if (ref $msg) {
		2982	my ($type, $reply, @payload) =
		2983	"ARRAY" eq ref $msg
		2984	? @$msg
		2985	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2986
		2987	my @reply;
		2988
		2989	if (my $cb = $EXTICMD{$type}) {
		2990	@reply = $cb->($ns, @payload);
		2991	}
		2992
		2993	$ns->ext_reply ($reply, @reply)
		2994	if $reply;
		2995
		2996	} else {
		2997	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2998	}
		2999
		3000	cf::override;
		3001	},
2136	);	3002	);
2137		3003
2138	=item $client->async (\&cb)	3004	=item $client->async (\&cb)
2139		3005
2140	Create a new coroutine, running the specified callback. The coroutine will	3006	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3047	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3048	our $safe_hole = new Safe::Hole;
2183		3049
2184	$SIG{FPE} = 'IGNORE';	3050	$SIG{FPE} = 'IGNORE';
2185		3051
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3052	$safe->permit_only (Opcode::opset qw(
		3053	:base_core :base_mem :base_orig :base_math
		3054	grepstart grepwhile mapstart mapwhile
		3055	sort time
		3056	));
2187		3057
2188	# here we export the classes and methods available to script code	3058	# here we export the classes and methods available to script code
2189		3059
2190	=pod	3060	=pod
2191		3061
2192	The following functions and methods are available within a safe environment:	3062	The following functions and methods are available within a safe environment:
2193		3063
2194	cf::object contr pay_amount pay_player map	3064	cf::object
		3065	contr pay_amount pay_player map x y force_find force_add destroy
		3066	insert remove name archname title slaying race decrease split
		3067	value
		3068
2195	cf::object::player player	3069	cf::object::player
2196	cf::player peaceful	3070	player
2197	cf::map trigger	3071
		3072	cf::player
		3073	peaceful
		3074
		3075	cf::map
		3076	trigger
2198		3077
2199	=cut	3078	=cut
2200		3079
2201	for (	3080	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3081	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3082	insert remove inv nrof name archname title slaying race
		3083	decrease split destroy change_exp value msg lore send_msg)],
2203	["cf::object::player" => qw(player)],	3084	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3085	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3086	["cf::map" => qw(trigger)],
2206	) {	3087	) {
2207	no strict 'refs';	3088	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3089	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2226	my ($code, %vars) = @_;	3107	my ($code, %vars) = @_;
2227		3108
2228	my $qcode = $code;	3109	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3110	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3111	$qcode =~ s/\n/\\n/g;
		3112
		3113	%vars = (_dummy => 0) unless %vars;
2231		3114
2232	local $_;	3115	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;	3116	local @safe::cf::_safe_eval_args = values %vars;
2234		3117
2235	my $eval =	3118	my $eval =
…		…
2278	=back	3161	=back
2279		3162
2280	=cut	3163	=cut
2281		3164
2282	#############################################################################	3165	#############################################################################
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 $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3166	# the server's init and main functions
2457		3167
2458	sub load_facedata($) {	3168	sub load_facedata($) {
2459	my ($path) = @_;	3169	my ($path) = @_;
		3170
		3171	# HACK to clear player env face cache, we need some signal framework
		3172	# for this (global event?)
		3173	%ext::player_env::MUSIC_FACE_CACHE = ();
		3174
		3175	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3176
2461	warn "loading facedata from $path\n";	3177	warn "loading facedata from $path\n";
2462		3178
2463	my $facedata;	3179	my $facedata;
2464	0 < aio_load $path, $facedata	3180	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3183	$facedata = Coro::Storable::thaw $facedata;
2468		3184
2469	$facedata->{version} == 2	3185	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3186	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3187
		3188	# patch in the exptable
		3189	$facedata->{resource}{"res/exp_table"} = {
		3190	type => FT_RSRC,
		3191	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3192	};
		3193	cf::cede_to_tick;
		3194
2472	{	3195	{
2473	my $faces = $facedata->{faceinfo};	3196	my $faces = $facedata->{faceinfo};
2474		3197
2475	while (my ($face, $info) = each %$faces) {	3198	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3199	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3200
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3201	cf::face::set_visibility $idx, $info->{visibility};
		3202	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3203	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3204	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3205
		3206	cf::cede_to_tick;
2481	}	3207	}
2482		3208
2483	while (my ($face, $info) = each %$faces) {	3209	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3210	next unless $info->{smooth};
		3211
2485	my $idx = cf::face::find $face	3212	my $idx = cf::face::find $face
2486	or next;	3213	or next;
		3214
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3215	if (my $smooth = cf::face::find $info->{smooth}) {
		3216	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3217	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3218	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3219	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3220	}
2492	Coro::cede;	3221
		3222	cf::cede_to_tick;
2493	}	3223	}
2494	}	3224	}
2495		3225
2496	{	3226	{
2497	my $anims = $facedata->{animinfo};	3227	my $anims = $facedata->{animinfo};
2498		3228
2499	while (my ($anim, $info) = each %$anims) {	3229	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3230	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3231	cf::cede_to_tick;
2502	}	3232	}
2503		3233
2504	cf::anim::invalidate_all; # d'oh	3234	cf::anim::invalidate_all; # d'oh
2505	}	3235	}
2506		3236
		3237	{
		3238	# TODO: for gcfclient pleasure, we should give resources
		3239	# that gcfclient doesn't grok a >10000 face index.
		3240	my $res = $facedata->{resource};
		3241
		3242	while (my ($name, $info) = each %$res) {
		3243	if (defined $info->{type}) {
		3244	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3245	my $data;
		3246
		3247	if ($info->{type} & 1) {
		3248	# prepend meta info
		3249
		3250	my $meta = $enc->encode ({
		3251	name => $name,
		3252	%{ $info->{meta} || {} },
		3253	});
		3254
		3255	$data = pack "(w/a*)*", $meta, $info->{data};
		3256	} else {
		3257	$data = $info->{data};
		3258	}
		3259
		3260	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3261	cf::face::set_type $idx, $info->{type};
		3262	} else {
		3263	$RESOURCE{$name} = $info;
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3271
2507	1	3272	1
2508	}	3273	}
2509		3274
		3275	cf::global->attach (on_resource_update => sub {
		3276	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3277	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3278
		3279	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3280	my $sound = $soundconf->{compat}[$_]
		3281	or next;
		3282
		3283	my $face = cf::face::find "sound/$sound->[1]";
		3284	cf::sound::set $sound->[0] => $face;
		3285	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3286	}
		3287
		3288	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3289	my $face = cf::face::find "sound/$v";
		3290	cf::sound::set $k => $face;
		3291	}
		3292	}
		3293	});
		3294
		3295	register_exticmd fx_want => sub {
		3296	my ($ns, $want) = @_;
		3297
		3298	while (my ($k, $v) = each %$want) {
		3299	$ns->fx_want ($k, $v);
		3300	}
		3301	};
		3302
		3303	sub load_resource_file($) {
		3304	my $guard = lock_acquire "load_resource_file";
		3305
		3306	my $status = load_resource_file_ $_[0];
		3307	get_slot 0.1, 100;
		3308	cf::arch::commit_load;
		3309
		3310	$status
		3311	}
		3312
2510	sub reload_regions {	3313	sub reload_regions {
		3314	# HACK to clear player env face cache, we need some signal framework
		3315	# for this (global event?)
		3316	%ext::player_env::MUSIC_FACE_CACHE = ();
		3317
2511	load_resource_file "$MAPDIR/regions"	3318	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3319	or die "unable to load regions file\n";
		3320
		3321	for (cf::region::list) {
		3322	$_->{match} = qr/$_->{match}/
		3323	if exists $_->{match};
		3324	}
2513	}	3325	}
2514		3326
2515	sub reload_facedata {	3327	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3328	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3329	or die "unable to load facedata\n";
…		…
2528	}	3340	}
2529		3341
2530	sub reload_resources {	3342	sub reload_resources {
2531	warn "reloading resource files...\n";	3343	warn "reloading resource files...\n";
2532		3344
2533	reload_regions;
2534	reload_facedata;	3345	reload_facedata;
2535	reload_archetypes;	3346	reload_archetypes;
		3347	reload_regions;
2536	reload_treasures;	3348	reload_treasures;
2537		3349
2538	warn "finished reloading resource files\n";	3350	warn "finished reloading resource files\n";
2539	}	3351	}
2540		3352
2541	sub init {	3353	sub reload_config {
2542	reload_resources;
2543	}
2544
2545	sub cfg_load {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3355	or return;
2548		3356
2549	local $/;	3357	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2551		3359
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3361
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$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};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2561	};	3369	};
2562	warn $@ if $@;	3370	warn $@ if $@;
2563	}	3371	}
2564	}	3372	}
2565		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2566	sub main {	3393	sub main {
		3394	cf::init_globals; # initialise logging
		3395
		3396	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3397	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3398	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3399	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3400
		3401	cf::init_experience;
		3402	cf::init_anim;
		3403	cf::init_attackmess;
		3404	cf::init_dynamic;
		3405
		3406	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3407
2567	# we must not ever block the main coroutine	3408	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3409	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3410	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3411	(async {
2571	Event::one_event;	3412	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3413	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3414	})->prio (Coro::PRIO_MAX);
2573	};	3415	};
2574		3416
2575	cfg_load;	3417	evthread_start IO::AIO::poll_fileno;
		3418
		3419	cf::sync_job {
		3420	reload_resources;
		3421	reload_config;
2576	db_init;	3422	db_init;
		3423
		3424	cf::load_settings;
		3425	cf::load_materials;
		3426	cf::init_uuid;
		3427	cf::init_signals;
		3428	cf::init_commands;
		3429	cf::init_skills;
		3430
		3431	cf::init_beforeplay;
		3432
		3433	atomic;
		3434
2577	load_extensions;	3435	load_extensions;
2578		3436
2579	$TICK_WATCHER->start;	3437	utime time, time, $RUNTIMEFILE;
		3438
		3439	# no (long-running) fork's whatsoever before this point(!)
		3440	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3441
		3442	(pop @POST_INIT)->(0) while @POST_INIT;
		3443	};
		3444
2580	Event::loop;	3445	EV::loop;
2581	}	3446	}
2582		3447
2583	#############################################################################	3448	#############################################################################
2584	# initialisation and cleanup	3449	# initialisation and cleanup
2585		3450
2586	# install some emergency cleanup handlers	3451	# install some emergency cleanup handlers
2587	BEGIN {	3452	BEGIN {
		3453	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3454	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3455	$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";	3456	cf::cleanup "SIG$signal";
2596	},
2597	);	3457	};
		3458	}
		3459	}
		3460
		3461	sub write_runtime_sync {
		3462	# first touch the runtime file to show we are still running:
		3463	# the fsync below can take a very very long time.
		3464
		3465	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3466
		3467	my $guard = cf::lock_acquire "write_runtime";
		3468
		3469	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = $cf::RUNTIME + 90 + 10;
		3473	# 10 is the runtime save interval, for a monotonic clock
		3474	# 60 allows for the watchdog to kill the server.
		3475
		3476	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3477	and return;
		3478
		3479	# always fsync - this file is important
		3480	aio_fsync $fh
		3481	and return;
		3482
		3483	# touch it again to show we are up-to-date
		3484	aio_utime $fh, undef, undef;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3490	and return;
		3491
		3492	warn "runtime file written.\n";
		3493
2598	}	3494	1
		3495	}
		3496
		3497	our $uuid_lock;
		3498	our $uuid_skip;
		3499
		3500	sub write_uuid_sync($) {
		3501	$uuid_skip ||= $_[0];
		3502
		3503	return if $uuid_lock;
		3504	local $uuid_lock = 1;
		3505
		3506	my $uuid = "$LOCALDIR/uuid";
		3507
		3508	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3509	or return;
		3510
		3511	my $value = uuid_seq uuid_cur;
		3512
		3513	unless ($value) {
		3514	warn "cowardly refusing to write zero uuid value!\n";
		3515	return;
		3516	}
		3517
		3518	my $value = uuid_str $value + $uuid_skip;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2599	}	3545	}
2600		3546
2601	sub emergency_save() {	3547	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2603		3549
2604	warn "enter emergency perl save\n";	3550	warn "emergency_perl_save: enter\n";
2605		3551
2606	cf::sync_job {	3552	cf::sync_job {
		3553	# this is a trade-off: we want to be very quick here, so
		3554	# save all maps without fsync, and later call a global sync
		3555	# (which in turn might be very very slow)
		3556	local $USE_FSYNC = 0;
		3557
2607	# use a peculiar iteration method to avoid tripping on perl	3558	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3559	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3560	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3561	warn "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3562	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3563	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3564	$pl->valid or next;
		3565	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3566	$pl->save;
2615	}	3567	}
2616	warn "end emergency player save\n";	3568	warn "emergency_perl_save: end player save\n";
2617		3569
2618	warn "begin emergency map save\n";	3570	warn "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3571	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3572	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3573	$map->valid or next;
2622	$map->save;	3574	$map->save;
2623	}	3575	}
2624	warn "end emergency map save\n";	3576	warn "emergency_perl_save: end map save\n";
2625		3577
2626	warn "begin emergency database checkpoint\n";	3578	warn "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3580	warn "emergency_perl_save: end database checkpoint\n";
		3581
		3582	warn "emergency_perl_save: begin write uuid\n";
		3583	write_uuid_sync 1;
		3584	warn "emergency_perl_save: end write uuid\n";
2629	};	3585	};
2630		3586
		3587	warn "emergency_perl_save: starting sync()\n";
		3588	IO::AIO::aio_sync sub {
		3589	warn "emergency_perl_save: finished sync()\n";
		3590	};
		3591
2631	warn "leave emergency perl save\n";	3592	warn "emergency_perl_save: leave\n";
2632	}	3593	}
2633		3594
2634	sub post_cleanup {	3595	sub post_cleanup {
2635	my ($make_core) = @_;	3596	my ($make_core) = @_;
2636		3597
2637	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
2639	}	3629	}
2640		3630
2641	sub do_reload_perl() {	3631	sub do_reload_perl() {
2642	# can/must only be called in main	3632	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2644	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2645	return;	3635	return;
2646	}	3636	}
2647		3637
		3638	return if $RELOAD++;
		3639
		3640	my $t1 = EV::time;
		3641
		3642	while ($RELOAD) {
2648	warn "reloading...";	3643	warn "reloading...";
2649		3644
2650	warn "entering sync_job";	3645	warn "entering sync_job";
2651		3646
2652	cf::sync_job {	3647	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3649	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
2656		3651
2657	warn "syncing database to disk";	3652	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3653	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3654
2660	# if anything goes wrong in here, we should simply crash as we already saved	3655	# if anything goes wrong in here, we should simply crash as we already saved
2661		3656
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";	3657	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;	3658	while (IO::AIO::nreqs || BDB::nreqs) {
2673	warn "iterate...";	3659	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	}	3660	}
2698		3661
2699	warn "... nuking $pkg";	3662	warn "cancelling all extension coros";
2700	Symbol::delete_package $pkg;	3663	$_->cancel for values %EXT_CORO;
2701	}	3664	%EXT_CORO = ();
2702		3665
2703	warn "unloading all perl modules loaded from $LIBDIR";	3666	warn "removing commands";
2704	while (my ($k, $v) = each %INC) {	3667	%COMMAND = ();
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3668
		3669	warn "removing ext/exti commands";
		3670	%EXTCMD = ();
		3671	%EXTICMD = ();
		3672
		3673	warn "unloading/nuking all extensions";
		3674	for my $pkg (@EXTS) {
2707	warn "... unloading $k";	3675	warn "... unloading $pkg";
2708	delete $INC{$k};
2709		3676
2710	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;
2712
2713	if (my $cb = $k->can ("unload_module")) {	3677	if (my $cb = $pkg->can ("unload")) {
		3678	eval {
2714	$cb->();	3679	$cb->($pkg);
		3680	1
		3681	} or warn "$pkg unloaded, but with errors: $@";
		3682	}
		3683
		3684	warn "... clearing $pkg";
		3685	clear_package $pkg;
2715	}	3686	}
2716		3687
2717	Symbol::delete_package $k;	3688	warn "unloading all perl modules loaded from $LIBDIR";
		3689	while (my ($k, $v) = each %INC) {
		3690	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3691
		3692	warn "... unloading $k";
		3693	delete $INC{$k};
		3694
		3695	$k =~ s/\.pm$//;
		3696	$k =~ s/\//::/g;
		3697
		3698	if (my $cb = $k->can ("unload_module")) {
		3699	$cb->();
		3700	}
		3701
		3702	clear_package $k;
2718	}	3703	}
2719		3704
2720	warn "getting rid of safe::, as good as possible";	3705	warn "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3706	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3707	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3708
2724	warn "unloading cf.pm \"a bit\"";	3709	warn "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3710	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3711	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		3712
2728	# don't, removes xs symbols, too,	3713	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3714	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3715	#clear_package __PACKAGE__;
2731		3716
2732	warn "unload completed, starting to reload now";	3717	warn "unload completed, starting to reload now";
2733		3718
2734	warn "reloading cf.pm";	3719	warn "reloading cf.pm";
2735	require cf;	3720	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3721	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3722
2738	warn "loading config and database again";	3723	warn "loading config and database again";
2739	cf::cfg_load;	3724	cf::reload_config;
2740		3725
2741	warn "loading extensions";	3726	warn "loading extensions";
2742	cf::load_extensions;	3727	cf::load_extensions;
2743		3728
		3729	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
		3736	}
2750		3737
		3738	warn "running post_init jobs";
		3739	(pop @POST_INIT)->(1) while @POST_INIT;
		3740
2751	warn "leaving sync_job";	3741	warn "leaving sync_job";
2752		3742
2753	1	3743	1
2754	} or do {	3744	} or do {
2755	warn $@;	3745	warn $@;
2756	warn "error while reloading, exiting.";	3746	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3747	};
2759		3748
2760	warn "reloaded";	3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752
		3753	$t1 = EV::time - $t1;
		3754	warn "reload completed in ${t1}s\n";
2761	};	3755	};
2762		3756
2763	our $RELOAD_WATCHER; # used only during reload	3757	our $RELOAD_WATCHER; # used only during reload
2764		3758
2765	sub reload_perl() {	3759	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3760	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3761	# coro crashes during coro_state_free->destroy here.
2768		3762
2769	$RELOAD_WATCHER ||= Event->timer (	3763	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	3764	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	3765
2772	data => WF_AUTOCANCEL,	3766	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	3767	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3768	undef $RELOAD_WATCHER;
2776	},	3769	};
2777	);	3770	};
2778	}	3771	}
2779		3772
2780	register_command "reload" => sub {	3773	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3774	my ($who, $arg) = @_;
2782		3775
2783	if ($who->flag (FLAG_WIZ)) {	3776	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3777	$who->message ("reloading server.");
		3778	async {
		3779	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3780	reload_perl;
		3781	};
2786	}	3782	}
2787	};	3783	};
2788		3784
2789	unshift @INC, $LIBDIR;	3785	unshift @INC, $LIBDIR;
2790		3786
…		…
2792		3788
2793	our @WAIT_FOR_TICK;	3789	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3790	our @WAIT_FOR_TICK_BEGIN;
2795		3791
2796	sub wait_for_tick {	3792	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2799		3794
2800	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3796	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3797	$signal->wait;
2803	}	3798	}
2804		3799
2805	sub wait_for_tick_begin {	3800	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	3801	return if tick_inhibit || $Coro::current == $Coro::main;
2808		3802
2809	my $signal = new Coro::Signal;	3803	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3804	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3805	$signal->wait;
2812	}	3806	}
2813		3807
2814	$TICK_WATCHER = Event->timer (	3808	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) {	3809	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3810	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3811	unless ++$bug_warning > 10;
2824	return;	3812	return;
2825	}	3813	}
2826		3814
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3815	cf::server_tick; # one server iteration
2830		3816
2831	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;
2833
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3817	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3818	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3819	Coro::async_pool {
		3820	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3821	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3822	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3823	};
		3824	}
2841		3825
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) {	3826	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3827	$sig->send;
2853	}	3828	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3829	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3830	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	3831	}
2860	);	3832
		3833	$LOAD = ($NOW - $TICK_START) / $TICK;
		3834	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3835
		3836	if (0) {
		3837	if ($NEXT_TICK) {
		3838	my $jitter = $TICK_START - $NEXT_TICK;
		3839	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3840	warn "jitter $JITTER\n";#d#
		3841	}
		3842	}
		3843	}
2861		3844
2862	{	3845	{
2863	BDB::max_poll_time $TICK * 0.1;	3846	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3847
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;	3848	BDB::min_parallel 8;
2873		3849	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3850	$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		3851
2889	unless ($DB_ENV) {	3852	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3853	$DB_ENV = BDB::db_env_create;
		3854	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3855	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3856	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3857	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3858	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3859
2892	cf::sync_job {	3860	cf::sync_job {
2893	eval {	3861	eval {
2894	BDB::db_env_open	3862	BDB::db_env_open
2895	$DB_ENV,	3863	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3865	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3866	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3867	0666;
2900		3868
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3869	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	};	3870	};
2906		3871
2907	cf::cleanup "db_env_open(db): $@" if $@;	3872	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3873	};
2909	}	3874	}
		3875
		3876	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3877	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3878	};
		3879	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3880	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3881	};
		3882	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3883	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3884	};
2910	}	3885	}
2911		3886
2912	{	3887	{
		3888	# configure IO::AIO
		3889
2913	IO::AIO::min_parallel 8;	3890	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3891	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3892	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	3893	}
2919	data => WF_AUTOCANCEL,	3894
2920	fd => IO::AIO::poll_fileno,	3895	my $_log_backtrace;
2921	poll => 'r',	3896
2922	prio => 6,	3897	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3898	my ($msg, @addr) = @_;
2924	);	3899
		3900	$msg =~ s/\n//;
		3901
		3902	# limit the # of concurrent backtraces
		3903	if ($_log_backtrace < 2) {
		3904	++$_log_backtrace;
		3905	my $perl_bt = Carp::longmess $msg;
		3906	async {
		3907	$Coro::current->{desc} = "abt $msg";
		3908
		3909	my @bt = fork_call {
		3910	@addr = map { sprintf "%x", $_ } @addr;
		3911	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3912	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3913	or die "addr2line: $!";
		3914
		3915	my @funcs;
		3916	my @res = <$fh>;
		3917	chomp for @res;
		3918	while (@res) {
		3919	my ($func, $line) = splice @res, 0, 2, ();
		3920	push @funcs, "[$func] $line";
		3921	}
		3922
		3923	@funcs
		3924	};
		3925
		3926	LOG llevInfo, "[ABT] $perl_bt\n";
		3927	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3928	LOG llevInfo, "[ABT] $_\n" for @bt;
		3929	--$_log_backtrace;
		3930	};
		3931	} else {
		3932	LOG llevInfo, "[ABT] $msg\n";
		3933	LOG llevInfo, "[ABT] [suppressed]\n";
		3934	}
2925	}	3935	}
2926		3936
2927	# load additional modules	3937	# load additional modules
2928	use cf::pod;	3938	require "cf/$_.pm" for @EXTRA_MODULES;
2929		3939
2930	END { cf::emergency_save }	3940	END { cf::emergency_save }
2931		3941
2932	1	3942	1
2933		3943

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