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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 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 off
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	}
104		150
105	mkdir $_	151	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		185
140	=item $cf::TICK	186	=item $cf::TICK
141		187
142	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
143		189
		190	=item $cf::LOADAVG
		191
		192	The current CPU load on the server (alpha-smoothed), as a value between 0
		193	(none) and 1 (overloaded), indicating how much time is spent on processing
		194	objects per tick. Healthy values are < 0.5.
		195
		196	=item $cf::LOAD
		197
		198	The raw value load value from the last tick.
		199
144	=item %cf::CFG	200	=item %cf::CFG
145		201
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	203	from wherever your confdir points to.
148		204
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		206
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	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	208	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.	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
		216
155	=back	217	=back
156		218
157	=cut	219	=cut
158		220
159	BEGIN {	221	BEGIN {
…		…
163	$msg .= "\n"	225	$msg .= "\n"
164	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
165		227
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		229
168	utf8::encode $msg;
169	LOG llevError, $msg;	230	LOG llevError, $msg;
170	};	231	};
171	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
172		248
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	253	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		254	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	255	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		256
180	# we bless all objects into (empty) derived classes to force a method lookup	257	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	258	# within the Safe compartment.
182	for my $pkg (qw(	259	for my $pkg (qw(
183	cf::global cf::attachable	260	cf::global cf::attachable
184	cf::object cf::object::player	261	cf::object cf::object::player
185	cf::client cf::player	262	cf::client cf::player
186	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
187	cf::map cf::party cf::region	265	cf::party cf::region
188	)) {	266	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	268	}
192		269
193	$Event::DIED = sub {	270	$EV::DIED = sub {
194	warn "error in event callback: @_";	271	warn "error in event callback: @_";
195	};	272	};
		273
		274	#############################################################################
196		275
197	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
198		277
199	=over 4	278	=over 4
200		279
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	299	$d
221	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
222	}	301	}
223		302
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
227		304
228	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
229		306
230	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
231		308
232	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
233		310
		311	=cut
		312
		313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		314
		315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
234	=item cf::lock_wait $string	332	=item cf::lock_wait $string
235		333
236	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
237		335
238	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
239		337
240	Wait until the given lock is available and then acquires it and returns	338	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,	339	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	340	for example when the coroutine gets canceled), the lock is automatically
243	returned.	341	returned.
244		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
245	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
247		348
248	=item $locked = cf::lock_active $string	349	=item $locked = cf::lock_active $string
249		350
250	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
251		352
252	=cut	353	=cut
253		354
254	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
255		356
256	sub lock_wait($) {	357	sub lock_wait($) {
257	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	359	}
265		360
266	sub lock_acquire($) {	361	sub lock_acquire($) {
267	my ($key) = @_;	362	$LOCKS->guard ($_[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	}	363	}
279		364
280	sub lock_active($) {	365	sub lock_active($) {
281	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	367	}
285		368
286	sub freeze_mainloop {	369	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
288		371
289	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	373	}
		374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
291	};	433	}
292	$TICK_WATCHER->stop;	434	};
293	$guard	435
		436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
294	}	448	}
295		449
296	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
297		451
298	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		457
304	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
305		459
306	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
307		461
308	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
311		466
312	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
315	fast or be very important.	470	fast or be very important.
…		…
318		473
319	sub sync_job(&) {	474	sub sync_job(&) {
320	my ($job) = @_;	475	my ($job) = @_;
321		476
322	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
323	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
325		482
326	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	484
328	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
329		486
330	my $busy = 1;	487	my $busy = 1;
331	my @res;	488	my @res;
332		489
333	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	492	@res = eval { $job->() };
335	warn $@ if $@;	493	warn $@ if $@;
336	undef $busy;	494	undef $busy;
337	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
338		496
339	while ($busy) {	497	while ($busy) {
340	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
341	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
342		508
343	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
344	} else {	510	} else {
345	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
346		512
…		…
366	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
367		533
368	$coro	534	$coro
369	}	535	}
370		536
371	sub write_runtime {	537	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		538
374	my $runtime = "$LOCALDIR/runtime";	539	Executes the given code block with the given arguments in a seperate
		540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
375		543
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	=cut
377	or return;
378		545
379	my $value = $cf::RUNTIME + 90 + 10;	546	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	547	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		548
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	549	# we seemingly have to make a local copy of the whole thing,
384	and return;	550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
385		552
386	# always fsync - this file is important	553	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	554	reset_signals;
388	and return;	555	&$cb
		556	}, @args;
389		557
390	close $fh	558	wantarray ? @res : $res[-1]
391	or return;	559	}
392		560
393	aio_rename "$runtime~", $runtime	561	=item $coin = coin_from_name $name
394	and return;
395		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
		588	=item $value = cf::db_get $family => $key
		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
		620
		621	our $DB;
		622
		623	sub db_init {
		624	cf::sync_job {
		625	$DB ||= db_table "db";
		626	};
		627	}
		628
		629	sub db_get($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
396	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
397	}	713	}
398		714
399	=item cf::datalog type => key => value, ...	715	=item cf::datalog type => key => value, ...
400		716
401	Log a datalog packet of the given type with the given key-value pairs.	717	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		729
414	#############################################################################	730	#############################################################################
415		731
416	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
417		733
418	Many objects in crossfire are so-called attachable objects. That means you can	734	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")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
421		737
422	In the following description, CLASS can be any of C<global>, C<object>	738	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	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	740	Deliantra).
425		741
426	=over 4	742	=over 4
427		743
428	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
429		745
…		…
473	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
474		790
475	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
477		793
478	Some classes such as crossfire maps and objects can specify attachments	794	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.	795	that are attached at load/instantiate time, thus the need for a name.
480		796
481	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
482		798
483	=over 4	799	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
593		909
594	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		914
599	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	916	my $pkg = shift @arg;
601		917
602	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
632	}	948	}
633		949
634	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
635	} else {	951	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	953	}
638		954
639	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
640	}	956	}
641		957
…		…
643	if (ref $_[0]) {	959	if (ref $_[0]) {
644	_object_attach @_;	960	_object_attach @_;
645	} else {	961	} else {
646	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
647	}	963	}
		964	_recalc_want;
648	};	965	};
649		966
650	# all those should be optimised	967	# all those should be optimised
651	sub cf::attachable::detach {	968	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
656	reattach ($obj);	973	reattach ($obj);
657	} else {	974	} else {
658	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
659	}	976	}
		977	_recalc_want;
660	};	978	};
661		979
662	sub cf::attachable::attached {	980	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
664		982
…		…
679	";	997	";
680	die if $@;	998	die if $@;
681	}	999	}
682		1000
683	our $override;	1001	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1003
686	sub override {	1004	sub override {
687	$override = 1;	1005	$override = 1;
688	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
689	}	1007	}
690		1008
691	sub do_invoke {	1009	sub do_invoke {
692	my $event = shift;	1010	my $event = shift;
693	my $callbacks = shift;	1011	my $callbacks = shift;
694		1012
695	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
696		1014
697	local $override;	1015	local $override;
698		1016
699	for (@$callbacks) {	1017	for (@$callbacks) {
700	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
709	}	1027	}
710		1028
711	0	1029	0
712	}	1030	}
713		1031
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1033
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1035
718	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
719		1037
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	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	1039	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1041
724	=back	1042	=back
725		1043
726	=cut	1044	=cut
727		1045
728	#############################################################################	1046	#############################################################################
729	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
730		1090
731	sub reattach {	1091	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1093	my ($obj) = @_;
734		1094
		1095	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1097
737	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
738		1099
739	@$registry = ();	1100	@$registry = ();
740		1101
…		…
755	cf::attachable->attach (	1116	cf::attachable->attach (
756	prio => -1000000,	1117	prio => -1000000,
757	on_instantiate => sub {	1118	on_instantiate => sub {
758	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
759		1120
760	$data = from_json $data;	1121	$data = decode_json $data;
761		1122
762	for (@$data) {	1123	for (@$data) {
763	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
764		1125
765	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1142	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
783		1144
784	sync_job {	1145	sync_job {
785	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
788		1150
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1155	aio_close $fh;
794		1156
795	if (@$objs) {	1157	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1163	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
803	}	1165	}
804	} else {	1166	} else {
805	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
806	}	1168	}
807		1169
808	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1174	} else {
810	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
811	}	1176	}
812	} else {	1177	} else {
813	aio_unlink $filename;	1178	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
815	}	1180	}
816	}	1181	};
817	}	1182	}
818		1183
819	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
821		1186
…		…
833	or return;	1198	or return;
834		1199
835	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
837	or return;	1202	or return;
		1203
838	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
839	}	1206	}
840		1207
		1208	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
843	return ($data, $av);	1212	($data, $av)
844	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
845		1220
846	#############################################################################	1221	#############################################################################
847	# command handling &c	1222	# command handling &c
848		1223
849	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1238	}
864		1239
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1241
867	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
868		1247
869	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
870	called.	1249	called.
871		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
872	=cut	1262	=cut
873		1263
874	sub register_extcmd {	1264	sub register_extcmd {
875	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
876		1266
877	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
878	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
879		1277
880	cf::player->attach (	1278	cf::player->attach (
881	on_command => sub {	1279	on_command => sub {
882	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
883		1281
…		…
891	cf::override;	1289	cf::override;
892	},	1290	},
893	on_extcmd => sub {	1291	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
895		1293
896	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1295
898	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
904	} else {	1311	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1313	}
907		1314
908	cf::override;	1315	cf::override;
909	},	1316	},
910	);	1317	);
911		1318
		1319	# "readahead" all extensions
912	sub load_extension {	1320	sub cache_extensions {
913	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
914		1322
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
916	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1325	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	}	1326	}
940	die $@;
941	}	1327	};
942		1328
943	push @EXTS, $pkg;	1329	$grp
944	}	1330	}
945		1331
946	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
947	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1337	next unless -r $path;
949	eval {	1338
950	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
951	1	1395	}
952	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
953	}	1401	};
954	}	1402	}
955		1403
956	#############################################################################	1404	#############################################################################
957		1405
		1406	=back
		1407
958	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
959		1409
960	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
961		1411
962	=cut	1412	=cut
963		1413
964	package cf::player;	1414	package cf::player;
965		1415
966	use Coro::AIO;	1416	use Coro::AIO;
967		1417
968	=head3 cf::player	1418	=head3 cf::player
969		1419
970	=over 4	1420	=over 4
		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
971		1435
972	=item cf::player::find $login	1436	=item cf::player::find $login
973		1437
974	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
975		1439
…		…
994		1458
995	sub exists($) {	1459	sub exists($) {
996	my ($login) = @_;	1460	my ($login) = @_;
997		1461
998	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1000	}	1464	}
1001		1465
1002	sub find($) {	1466	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1468	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1479
1016	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1019	}	1489	}
1020	}	1490	}
1021	}	1491	}
1022		1492
…		…
1031	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1032		1502
1033	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1035		1505
		1506	cf::get_slot 0.01;
		1507
1036	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1037	Coro::cede;	1509	cf::cede_to_tick;
1038	}	1510	}
1039		1511
1040	sub new($) {	1512	sub new($) {
1041	my ($login) = @_;	1513	my ($login) = @_;
1042		1514
…		…
1048	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1049		1521
1050	$self	1522	$self
1051	}	1523	}
1052		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1053	=item $pl->quit_character	1535	=item $pl->quit_character
1054		1536
1055	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1057		1539
…		…
1061	my ($pl) = @_;	1543	my ($pl) = @_;
1062		1544
1063	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1064		1546
1065	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1549
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1072		1556
1073	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1594	or return [];
1111		1595
1112	my @logins;	1596	my @logins;
1113		1597
1114	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1118		1608
1119	utf8::decode $login;	1609	utf8::decode $login;
1120	push @logins, $login;	1610	push @logins, $login;
1121	}	1611	}
1122		1612
…		…
1149	}	1639	}
1150		1640
1151	\@paths	1641	\@paths
1152	}	1642	}
1153		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1154	=item $player->ext_reply ($msgid, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1155		1649
1156	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1157		1651
1158	=cut	1652	=cut
1159		1653
1160	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1162		1656
1163	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1658	}
1167		1659
1168	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1169		1661
1170	Sends an ext event to the client.	1662	Sends an ext event to the client.
1171		1663
1172	=cut	1664	=cut
1173		1665
1174	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1176		1668
1177	$self->ns->ext_event ($type, %msg);	1669	$self->ns->ext_msg ($type, @msg);
1178	}	1670	}
1179		1671
1180	=head3 cf::region	1672	=head3 cf::region
1181		1673
1182	=over 4	1674	=over 4
…		…
1185		1677
1186	package cf::region;	1678	package cf::region;
1187		1679
1188	=item cf::region::find_by_path $path	1680	=item cf::region::find_by_path $path
1189		1681
1190	Tries to decuce the probable region for a map knowing only its path.	1682	Tries to decuce the likely region for a map knowing only its path.
1191		1683
1192	=cut	1684	=cut
1193		1685
1194	sub find_by_path($) {	1686	sub find_by_path($) {
1195	my ($path) = @_;	1687	my ($path) = @_;
1196		1688
1197	my ($match, $specificity);	1689	my ($match, $specificity);
1198		1690
1199	for my $region (list) {	1691	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1692	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1693	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1694	if $region->specificity > $specificity;
1203	}	1695	}
1204	}	1696	}
1205		1697
…		…
1226	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1228		1720
1229	sub generate_random_map {	1721	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1231	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1727	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1270		1765
1271	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1272	local $self->{path};	1767	local $self->{path};
1273	local $self->{load_path};	1768	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1769
1277	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1278	}	1771	}
1279		1772
1280	sub normalise {	1773	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1328	return $self;	1821	return $self;
1329	}	1822	}
1330	}	1823	}
1331		1824
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1826	()
1334	}	1827	}
1335		1828
1336	sub init {	1829	sub init {
1337	my ($self) = @_;	1830	my ($self) = @_;
…		…
1359		1852
1360	# the temporary/swap location	1853	# the temporary/swap location
1361	sub save_path {	1854	sub save_path {
1362	my ($self) = @_;	1855	my ($self) = @_;
1363		1856
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1366	}	1859	}
1367		1860
1368	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1369	sub uniq_path {	1862	sub uniq_path {
1370	my ($self) = @_;	1863	my ($self) = @_;
1371		1864
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1374	}	1867	}
1375		1868
1376	# and all this just because we cannot iterate over	1869	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1870	my ($self) = @_;
1380		1871
1381	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1383	}	1875	}
1384		1876
1385	sub unlink_save {	1877	sub unlink_save {
1386	my ($self) = @_;	1878	my ($self) = @_;
1387		1879
…		…
1392		1884
1393	sub load_header_from($) {	1885	sub load_header_from($) {
1394	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1395		1887
1396	utf8::encode $path;	1888	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1402		1897
1403	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1404		1899
1405	1	1900	1
1406	}	1901	}
…		…
1445	$self->load_header_orig	1940	$self->load_header_orig
1446	or return;	1941	or return;
1447	$self->prepare_orig;	1942	$self->prepare_orig;
1448	}	1943	}
1449		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
1450	$self->default_region (cf::region::find_by_path $self->{path})	1948	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1949	unless $self->default_region;
1452		1950
1453	1	1951	1
1454	}	1952	}
…		…
1457	sub find {	1955	sub find {
1458	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1459		1957
1460	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1461		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1463		1962
1464	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1467	or return;	1965	or return;
1468		1966
1469	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1470		1968
1471	$map->load_header	1969	$map->load_header
1472	or return;	1970	or return;
1473		1971
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1477	$map->reset;	1977	$map->reset;
1478	undef $guard;
1479	return find $path;	1978	return find $path;
1480	}	1979	}
1481		1980
1482	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1483	}	1982	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1493		1992
1494	my $path = $self->{path};	1993	my $path = $self->{path};
1495		1994
1496	{	1995	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1498		1997
		1998	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2000
1501	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1502		2002
1503	$self->alloc;	2003	$self->alloc;
1504		2004
1505	$self->pre_load;	2005	$self->pre_load;
1506	Coro::cede;	2006	cf::cede_to_tick;
1507		2007
		2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2010	$self->_load_objects ($f)
1509	or return;	2011	or return;
1510		2012
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1512	if delete $self->{load_original};	2014	if delete $self->{load_original};
1513		2015
1514	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2017	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2020	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1519	}	2024	}
1520	}	2025	}
1521		2026
1522	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1523	# now do the right thing for maps	2030	# now do the right thing for maps
1524	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2033	unless $self->difficulty;
1527	Coro::cede;	2034	cf::cede_to_tick;
1528		2035
1529	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2037	$self->decay_objects;
1531	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1532	$self->update_buttons;	2039	$self->update_buttons;
1533	Coro::cede;	2040	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2041	$self->activate;
1537	}	2042	}
1538		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1540
1541	undef $guard;
1542	}	2048	}
1543		2049
1544	$self->post_load;	2050	$self->post_load;
1545	}	2051	}
1546		2052
…		…
1548	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1549		2055
1550	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2057	if $self->per_player;
1552		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1553	$self	2062	$self
1554	}	2063	}
1555		2064
1556	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2066	sub load_neighbours {
1558	my ($map) = @_;	2067	my ($map) = @_;
1559		2068
1560	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1561		2070
1562	for (0 .. 3) {	2071	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1564	or next;	2073	or next;
1565	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1566	or next;	2075	or next;
1567	$neigh->load;	2076	$neigh->load;
1568		2077
		2078	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2081	}
1572		2082
1573	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1575	or next;	2086	or next;
1576	$neigh->load;	2087	$neigh->load;
1577	}	2088	}
1578	}	2089	}
1579		2090
…		…
1584	}	2095	}
1585		2096
1586	sub do_load_sync {	2097	sub do_load_sync {
1587	my ($map) = @_;	2098	my ($map) = @_;
1588		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1589	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1590	}	2104	}
1591		2105
1592	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1594		2108
1595	sub find_async {	2109	sub find_async {
1596	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1597		2111
1598	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1599		2113
1600	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1602	}	2116	}
1603		2117
1604	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1605	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1606	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2125	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2126	$map->load if $v;
		2127	}
1611		2128
1612	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1613	}	2130	}
1614	}	2131	}
1615	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1616	};	2133	};
1617	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2137	}
1621		2138
1622	sub save {	2139	sub save {
1623	my ($self) = @_;	2140	my ($self) = @_;
1624		2141
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2143
1627	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1628		2145
1629	return unless $self->dirty;	2146	return unless $self->dirty;
1630		2147
…		…
1636	return if $self->{deny_save};	2153	return if $self->{deny_save};
1637		2154
1638	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1639		2156
1640	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1642	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1643		2163
1644	if ($uniq) {	2164	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2167	} else {
…		…
1653	my ($self) = @_;	2173	my ($self) = @_;
1654		2174
1655	# save first because save cedes	2175	# save first because save cedes
1656	$self->save;	2176	$self->save;
1657		2177
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2179
1660	return if $self->players;	2180	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1662	return if $self->{deny_save};	2182	return if $self->{deny_save};
1663		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2188	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2189	}
1667		2190
1668	sub reset_at {	2191	sub reset_at {
1669	my ($self) = @_;	2192	my ($self) = @_;
1670		2193
1671	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1674		2196
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2199
…		…
1688	my ($self) = @_;	2210	my ($self) = @_;
1689		2211
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2213
1692	return if $self->players;	2214	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2215
1695	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1696		2217
1697	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1698		2219
1699	# need to save uniques path	2220	# need to save uniques path
1700	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2225	if $uniq;
1705	}	2226	}
1706		2227
1707	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1708		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2232	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2233
1713	$self->unlink_save;	2234	$self->unlink_save;
1714	$self->destroy;	2235	$self->destroy;
1715	}	2236	}
1716		2237
1717	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1718		2239
1719	sub nuke {	2240	sub nuke {
1720	my ($self) = @_;	2241	my ($self) = @_;
1721		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1722	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1723		2247
1724	$self->unlink_save;	2248	$self->unlink_save;
1725		2249
1726	bless $self, "cf::map";	2250	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2255
1732	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1733		2258
1734	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1735	}	2296	}
1736		2297
1737	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1738		2299
1739	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2301	instantiated unique items. May block.
1741		2302
1742	=cut	2303	=cut
1743		2304
1744	sub unique_maps() {	2305	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2306	[
1746	or return;	2307	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2308	utf8::decode $_;
1752	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2311	? ()
1755	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2314	]
1757
1758	\@paths
1759	}	2315	}
1760
1761	package cf;
1762		2316
1763	=back	2317	=back
1764		2318
1765	=head3 cf::object	2319	=head3 cf::object
1766		2320
…		…
1770		2324
1771	=over 4	2325	=over 4
1772		2326
1773	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1774		2328
1775	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1776		2331
1777	=cut	2332	=cut
1778		2333
1779	sub inv_recursive_;	2334	sub inv_recursive_;
1780	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1783		2338
1784	sub inv_recursive {	2339	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1786	}	2341	}
1787		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1788	package cf;	2371	package cf;
1789		2372
1790	=back	2373	=back
1791		2374
1792	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1798	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1799	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1800	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1801		2384
1802	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1803		2400
1804	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2402	# with dialog boxes.
1806	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1807	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1809		2406
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2408
1812	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1814	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1817	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1818	}	2434	}
1819		2435
1820	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1821		2437
1822	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1835		2451
1836	=item $player_object->enter_link	2452	=item $player_object->enter_link
1837		2453
1838	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1839		2455
1840	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1841	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1842		2460
1843	Will never block.	2461	Will never block.
1844		2462
1845	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1846		2464
…		…
1869	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1870		2488
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2490
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1875		2493
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2495	}
1878		2496
1879	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1881		2501
1882	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1883		2503
1884	unless ($map) {	2504	unless ($map) {
1885	# restore original map position	2505	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1902		2522
1903	$map->load;	2523	$map->load;
1904	$map->load_diag;	2524	$map->load_neighbours;
1905		2525
1906	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1907	$self->activate_recursive;	2528	$self->activate_recursive;
1908		2529
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1911	}	2532	}
1912		2533
1913	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2535
1917	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1921	};	2540	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2541
1927	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1928	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944		2544
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1948		2548
1949	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2554
1952	$self->enter_link;	2555	$self->enter_link;
1953		2556
1954	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1955	my $map = eval {	2579	my $map = eval {
1956	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1958	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2595	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1963	})->prio (1);	2603	})->prio (1);
1964	}	2604	}
1965		2605
1966	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1967		2607
…		…
1987	}	2627	}
1988		2628
1989	sub prepare_random_map {	2629	sub prepare_random_map {
1990	my ($exit) = @_;	2630	my ($exit) = @_;
1991		2631
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2634	# that depends on the exit object
1997		2635
1998	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	2638	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2005	}	2645	}
2006		2646
2007	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2008		2648
2009	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2012		2652
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	2655	undef $fh;
2016	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2017		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2020	}	2664	}
2021	}	2665	}
2022		2666
2023	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2025		2669
2026	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2027		2671
2028	if ($exit->slaying eq "/!") {
2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
2030	# the problem is that $exit might not survive long enough
2031	# so it needs to be done right now, right here
2032	cf::sync_job { prepare_random_map $exit };
2033	}
2034
2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;
2038
2039	$self->enter_link;	2672	$self->enter_link;
2040		2673
2041	(async {	2674	(async {
2042	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2043	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2044	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2045		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2046	1;	2698	1
2047	}) {	2699	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2049	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2050	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2052		2704
2053	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2072		2724
2073	utf8::encode $text;	2725	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2727	}
2076		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
2077	=item $client->ext_event ($type, %msg)	2877	=item $client->ext_msg ($type, @msg)
2078		2878
2079	Sends an exti event to the client.	2879	Sends an ext event to the client.
2080		2880
2081	=cut	2881	=cut
2082		2882
2083	sub cf::client::ext_event($$%) {	2883	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2884	my ($self, $type, @msg) = @_;
2085		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2889	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
2088	}	2910	}
2089		2911
2090	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2091		2913
2092	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2917
2096	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2919	become reliable at some point in the future.
2098		2920
2099	=cut	2921	=cut
2100		2922
2101	sub cf::client::query {	2923	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2932	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2934
2113	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2115	}	2939	}
2116		2940
2117	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
2118	on_reply => sub {	2947	on_reply => sub {
2119	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2120		2949
2121	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2122	# get handled first	2951	# get handled first
…		…
2134	} else {	2963	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2965	}
2137	}	2966	}
2138	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
2139	);	2994	);
2140		2995
2141	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2142		2997
2143	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2186		3041
2187	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2188		3043
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2190		3049
2191	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2192		3051
2193	=pod	3052	=pod
2194		3053
2195	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2196		3055
2197	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2198	cf::object::player player	3061	cf::object::player
2199	cf::player peaceful	3062	player
2200	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2201		3069
2202	=cut	3070	=cut
2203		3071
2204	for (	3072	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2206	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2208	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2209	) {	3079	) {
2210	no strict 'refs';	3080	no strict 'refs';
2211	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2212	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2229	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2230		3100
2231	my $qcode = $code;	3101	my $qcode = $code;
2232	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2233	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2234		3106
2235	local $_;	3107	local $_;
2236	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2237		3109
2238	my $eval =	3110	my $eval =
…		…
2281	=back	3153	=back
2282		3154
2283	=cut	3155	=cut
2284		3156
2285	#############################################################################	3157	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	3158	# the server's init and main functions
2460		3159
2461	sub load_facedata($) {	3160	sub load_facedata($) {
2462	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		3168
2464	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2465		3170
2466	my $facedata;	3171	my $facedata;
2467	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2471		3176
2472	$facedata->{version} == 2	3177	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2475	{	3187	{
2476	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2477		3189
2478	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3197
		3198	cf::cede_to_tick;
2484	}	3199	}
2485		3200
2486	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2488	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2489	or next;	3205	or next;
		3206
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3210	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3212	}
2495	Coro::cede;	3213
		3214	cf::cede_to_tick;
2496	}	3215	}
2497	}	3216	}
2498		3217
2499	{	3218	{
2500	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2501		3220
2502	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3223	cf::cede_to_tick;
2505	}	3224	}
2506		3225
2507	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2508	}	3227	}
2509		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2510	1	3264	1
2511	}	3265	}
2512		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2513	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2514	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2516	}	3317	}
2517		3318
2518	sub reload_facedata {	3319	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2531	}	3332	}
2532		3333
2533	sub reload_resources {	3334	sub reload_resources {
2534	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2535		3336
2536	reload_regions;
2537	reload_facedata;	3337	reload_facedata;
2538	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2539	reload_treasures;	3340	reload_treasures;
2540		3341
2541	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2542	}	3343	}
2543		3344
2544	sub init {	3345	sub reload_config {
2545	reload_resources;
2546	}
2547
2548	sub cfg_load {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3347	or return;
2551		3348
2552	local $/;	3349	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2554		3351
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2556		3353
2557	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2558	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2564	};	3361	};
2565	warn $@ if $@;	3362	warn $@ if $@;
2566	}	3363	}
2567	}	3364	}
2568		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2569	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2570	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3403	(async {
2574	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2576	};	3407	};
2577		3408
2578	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2579	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2580	load_extensions;	3427	load_extensions;
2581		3428
2582	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2583	Event::loop;	3437	EV::loop;
2584	}	3438	}
2585		3439
2586	#############################################################################	3440	#############################################################################
2587	# initialisation and cleanup	3441	# initialisation and cleanup
2588		3442
2589	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2590	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2599	},
2600	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2601	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2602	}	3537	}
2603		3538
2604	sub emergency_save() {	3539	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2606		3541
2607	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2608		3543
2609	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2610	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2611	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2612	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2614	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3558	$pl->save;
2618	}	3559	}
2619	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2620		3561
2621	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2622	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2623	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2624	$map->valid or next;	3565	$map->valid or next;
2625	$map->save;	3566	$map->save;
2626	}	3567	}
2627	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2628		3569
2629	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2631	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2632	};	3577	};
2633		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2634	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2635	}	3585	}
2636		3586
2637	sub post_cleanup {	3587	sub post_cleanup {
2638	my ($make_core) = @_;	3588	my ($make_core) = @_;
2639		3589
2640	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2641	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
2642	}	3621	}
2643		3622
2644	sub do_reload_perl() {	3623	sub do_reload_perl() {
2645	# can/must only be called in main	3624	# can/must only be called in main
2646	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2647	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2648	return;	3627	return;
2649	}	3628	}
2650		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2651	warn "reloading...";	3635	warn "reloading...";
2652		3636
2653	warn "entering sync_job";	3637	warn "entering sync_job";
2654		3638
2655	cf::sync_job {	3639	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2657	cf::emergency_save;	3641	cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2659		3643
2660	warn "syncing database to disk";	3644	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2662		3646
2663	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2664		3648
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669
2670	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2671	for (;;) {
2672	BDB::flush;
2673	IO::AIO::flush;
2674	Coro::cede;
2675	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2676	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2677	}
2678
2679	++$RELOAD;
2680
2681	warn "cancelling all extension coros";
2682	$_->cancel for values %EXT_CORO;
2683	%EXT_CORO = ();
2684
2685	warn "removing commands";
2686	%COMMAND = ();
2687
2688	warn "removing ext commands";
2689	%EXTCMD = ();
2690
2691	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";
2694
2695	if (my $cb = $pkg->can ("unload")) {
2696	eval {
2697	$cb->($pkg);
2698	1
2699	} or warn "$pkg unloaded, but with errors: $@";
2700	}	3652	}
2701		3653
2702	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2703	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2704	}	3656	%EXT_CORO = ();
2705		3657
2706	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2707	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2710	warn "... unloading $k";	3667	warn "... unloading $pkg";
2711	delete $INC{$k};
2712		3668
2713	$k =~ s/\.pm$//;
2714	$k =~ s/\//::/g;
2715
2716	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2717	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2718	}	3678	}
2719		3679
2720	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2721	}	3695	}
2722		3696
2723	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2724	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2726		3700
2727	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2728	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
2729	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2730		3704
2731	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2732	# and global variables created in xs	3706	# and global variables created in xs
2733	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2734		3708
2735	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2736		3710
2737	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2738	require cf;	3712	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3714
2741	warn "loading config and database again";	3715	warn "loading config and database again";
2742	cf::cfg_load;	3716	cf::reload_config;
2743		3717
2744	warn "loading extensions";	3718	warn "loading extensions";
2745	cf::load_extensions;	3719	cf::load_extensions;
2746		3720
		3721	if ($REATTACH_ON_RELOAD) {
2747	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2748	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2749	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2750	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2751	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2752	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2753		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
2754	warn "leaving sync_job";	3733	warn "leaving sync_job";
2755		3734
2756	1	3735	1
2757	} or do {	3736	} or do {
2758	warn $@;	3737	warn $@;
2759	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2760	exit 1;
2761	};	3739	};
2762		3740
2763	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
2764	};	3747	};
2765		3748
2766	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
2767		3750
2768	sub reload_perl() {	3751	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
2771		3754
2772	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
2773	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
2774	after => 0,	3757
2775	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2776	cb => sub {
2777	do_reload_perl;	3759	do_reload_perl;
2778	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
2779	},	3761	};
2780	);	3762	};
2781	}	3763	}
2782		3764
2783	register_command "reload" => sub {	3765	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2785		3767
2786	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3772	reload_perl;
		3773	};
2789	}	3774	}
2790	};	3775	};
2791		3776
2792	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2793		3778
…		…
2795		3780
2796	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2798		3783
2799	sub wait_for_tick {	3784	sub wait_for_tick {
2800	return unless $TICK_WATCHER->is_active;
2801	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2802		3786
2803	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2804	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;	3789	$signal->wait;
2806	}	3790	}
2807		3791
2808	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2809	return unless $TICK_WATCHER->is_active;
2810	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2811		3794
2812	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3797	$signal->wait;
2815	}	3798	}
2816		3799
2817	$TICK_WATCHER = Event->timer (	3800	sub tick {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2827	return;	3804	return;
2828	}	3805	}
2829		3806
2830	$NOW = Event::time;
2831
2832	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2833		3808
2834	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;
2836
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3813	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2842	};
2843	}	3815	};
		3816	}
2844		3817
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	3819	$sig->send;
2856	}	3820	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;	3822	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	3823	}
2863	);	3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2864		3836
2865	{	3837	{
2866	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	3839
2868	reentrant => 0,
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2876		3841	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2878	my $status;
2879	my $current = $Coro::current;
2880	(
2881	sub {
2882	$status = $!;
2883	$current->ready; undef $current;
2884	},
2885	sub {
2886	Coro::schedule while defined $current;
2887	$! = $status;
2888	},
2889	)
2890	};
2891		3843
2892	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		3851
2895	cf::sync_job {	3852	cf::sync_job {
2896	eval {	3853	eval {
2897	BDB::db_env_open	3854	BDB::db_env_open
2898	$DB_ENV,	3855	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3859	0666;
2903		3860
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	3862	};
2909		3863
2910	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3865	};
2912	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2913	}	3877	}
2914		3878
2915	{	3879	{
		3880	# configure IO::AIO
		3881
2916	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2921	reentrant => 0,	3885	}
2922	data => WF_AUTOCANCEL,	3886
2923	fd => IO::AIO::poll_fileno,	3887	my $_log_backtrace;
2924	poll => 'r',	3888
2925	prio => 6,	3889	sub _log_backtrace {
2926	cb => \&IO::AIO::poll_cb,	3890	my ($msg, @addr) = @_;
2927	);	3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
2928	}	3927	}
2929		3928
2930	# load additional modules	3929	# load additional modules
2931	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
2932		3931
2933	END { cf::emergency_save }	3932	END { cf::emergency_save }
2934		3933
2935	1	3934	1
2936		3935

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