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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.461 by root, Fri Dec 19 22:47:29 2008 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 "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;
82		116
83	our %CFG;	117	our %CFG;
84		118
85	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
87		122
88	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
91		126
92	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
95	binmode STDOUT;	139	binmode STDOUT;
96	binmode STDERR;	140	binmode STDERR;
97		141
98	# read virtual server time, if available	142	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
103	}	147	}
104		148
105	mkdir $_	149	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		183
140	=item $cf::TICK	184	=item $cf::TICK
141		185
142	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
143		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
144	=item %cf::CFG	198	=item %cf::CFG
145		199
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	201	from wherever your confdir points to.
148		202
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		204
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	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	206	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.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
155	=back	215	=back
156		216
157	=cut	217	=cut
158		218
159	BEGIN {	219	BEGIN {
…		…
161	my $msg = join "", @_;	221	my $msg = join "", @_;
162		222
163	$msg .= "\n"	223	$msg .= "\n"
164	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
165		225
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		227
168	utf8::encode $msg;
169	LOG llevError, $msg;	228	LOG llevError, $msg;
170	};	229	};
171	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
172		246
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		254
180	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	256	# within the Safe compartment.
182	for my $pkg (qw(	257	for my $pkg (qw(
183	cf::global cf::attachable	258	cf::global cf::attachable
184	cf::object cf::object::player	259	cf::object cf::object::player
185	cf::client cf::player	260	cf::client cf::player
186	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
187	cf::map cf::party cf::region	263	cf::party cf::region
188	)) {	264	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	266	}
192		267
193	$Event::DIED = sub {	268	$EV::DIED = sub {
194	warn "error in event callback: @_";	269	warn "error in event callback: @_";
195	};	270	};
		271
		272	#############################################################################
196		273
197	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
198		275
199	=over 4	276	=over 4
200		277
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	297	$d
221	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
222	}	299	}
223		300
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
227		302
228	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
229		304
230	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
231		306
232	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
233		308
		309	=cut
		310
		311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		312
		313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
234	=item cf::lock_wait $string	330	=item cf::lock_wait $string
235		331
236	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
237		333
238	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
239		335
240	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
243	returned.	339	returned.
244		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
245	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
247		346
248	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
249		348
250	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
251		350
252	=cut	351	=cut
253		352
254	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
255		354
256	sub lock_wait($) {	355	sub lock_wait($) {
257	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	357	}
265		358
266	sub lock_acquire($) {	359	sub lock_acquire($) {
267	my ($key) = @_;	360	$LOCKS->guard ($_[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	}	361	}
279		362
280	sub lock_active($) {	363	sub lock_active($) {
281	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	365	}
285		366
286	sub freeze_mainloop {	367	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
288		369
289	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
291	};	431	}
292	$TICK_WATCHER->stop;	432	};
293	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
294	}	446	}
295		447
296	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
297		449
298	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		455
304	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
305		457
306	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
307		459
308	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
311		464
312	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
315	fast or be very important.	468	fast or be very important.
…		…
318		471
319	sub sync_job(&) {	472	sub sync_job(&) {
320	my ($job) = @_;	473	my ($job) = @_;
321		474
322	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
323	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
325		480
326	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	482
328	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
329		484
330	my $busy = 1;	485	my $busy = 1;
331	my @res;	486	my @res;
332		487
333	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	490	@res = eval { $job->() };
335	warn $@ if $@;	491	warn $@ if $@;
336	undef $busy;	492	undef $busy;
337	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
338		494
339	while ($busy) {	495	while ($busy) {
340	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
341	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
342		506
343	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
344	} else {	508	} else {
345	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
346		510
…		…
366	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
367		531
368	$coro	532	$coro
369	}	533	}
370		534
371	sub write_runtime {	535	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		536
374	my $runtime = "$LOCALDIR/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
375		541
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
377	or return;
378		543
379	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		546
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
384	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
385		550
386	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	552	reset_signals;
388	and return;	553	&$cb
		554	}, @args;
389		555
390	close $fh	556	wantarray ? @res : $res[-1]
391	or return;	557	}
392		558
393	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
394	and return;
395		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
396	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
397	}	711	}
398		712
399	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
400		714
401	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		727
414	#############################################################################	728	#############################################################################
415		729
416	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
417		731
418	Many objects in crossfire are so-called attachable objects. That means you can	732	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")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
421		735
422	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	738	Deliantra).
425		739
426	=over 4	740	=over 4
427		741
428	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
429		743
…		…
473	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
474		788
475	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
477		791
478	Some classes such as crossfire maps and objects can specify attachments	792	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.	793	that are attached at load/instantiate time, thus the need for a name.
480		794
481	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
482		796
483	=over 4	797	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
593		907
594	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		912
599	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	914	my $pkg = shift @arg;
601		915
602	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
632	}	946	}
633		947
634	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
635	} else {	949	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	951	}
638		952
639	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
640	}	954	}
641		955
…		…
643	if (ref $_[0]) {	957	if (ref $_[0]) {
644	_object_attach @_;	958	_object_attach @_;
645	} else {	959	} else {
646	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
647	}	961	}
		962	_recalc_want;
648	};	963	};
649		964
650	# all those should be optimised	965	# all those should be optimised
651	sub cf::attachable::detach {	966	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
656	reattach ($obj);	971	reattach ($obj);
657	} else {	972	} else {
658	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
659	}	974	}
		975	_recalc_want;
660	};	976	};
661		977
662	sub cf::attachable::attached {	978	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
664		980
…		…
679	";	995	";
680	die if $@;	996	die if $@;
681	}	997	}
682		998
683	our $override;	999	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1001
686	sub override {	1002	sub override {
687	$override = 1;	1003	$override = 1;
688	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
689	}	1005	}
690		1006
691	sub do_invoke {	1007	sub do_invoke {
692	my $event = shift;	1008	my $event = shift;
693	my $callbacks = shift;	1009	my $callbacks = shift;
694		1010
695	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
696		1012
697	local $override;	1013	local $override;
698		1014
699	for (@$callbacks) {	1015	for (@$callbacks) {
700	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
709	}	1025	}
710		1026
711	0	1027	0
712	}	1028	}
713		1029
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1031
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1033
718	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
719		1035
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	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	1037	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1039
724	=back	1040	=back
725		1041
726	=cut	1042	=cut
727		1043
728	#############################################################################	1044	#############################################################################
729	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
730		1088
731	sub reattach {	1089	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1091	my ($obj) = @_;
734		1092
		1093	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1095
737	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
738		1097
739	@$registry = ();	1098	@$registry = ();
740		1099
…		…
755	cf::attachable->attach (	1114	cf::attachable->attach (
756	prio => -1000000,	1115	prio => -1000000,
757	on_instantiate => sub {	1116	on_instantiate => sub {
758	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
759		1118
760	$data = from_json $data;	1119	$data = decode_json $data;
761		1120
762	for (@$data) {	1121	for (@$data) {
763	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
764		1123
765	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1140	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
783		1142
784	sync_job {	1143	sync_job {
785	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
788		1148
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1153	aio_close $fh;
794		1154
795	if (@$objs) {	1155	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1161	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
803	}	1163	}
804	} else {	1164	} else {
805	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
806	}	1166	}
807		1167
808	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1172	} else {
810	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
811	}	1174	}
812	} else {	1175	} else {
813	aio_unlink $filename;	1176	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
815	}	1178	}
816	}	1179	};
817	}	1180	}
818		1181
819	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
821		1184
…		…
833	or return;	1196	or return;
834		1197
835	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
837	or return;	1200	or return;
		1201
838	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
839	}	1204	}
840		1205
		1206	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
843	return ($data, $av);	1210	($data, $av)
844	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
845		1218
846	#############################################################################	1219	#############################################################################
847	# command handling &c	1220	# command handling &c
848		1221
849	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1236	}
864		1237
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1239
867	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
868		1245
869	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
870	called.	1247	called.
871		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
872	=cut	1260	=cut
873		1261
874	sub register_extcmd {	1262	sub register_extcmd {
875	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
876		1264
877	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
878	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
879		1275
880	cf::player->attach (	1276	cf::player->attach (
881	on_command => sub {	1277	on_command => sub {
882	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
883		1279
…		…
891	cf::override;	1287	cf::override;
892	},	1288	},
893	on_extcmd => sub {	1289	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
895		1291
896	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1293
898	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
904	} else {	1309	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1311	}
907		1312
908	cf::override;	1313	cf::override;
909	},	1314	},
910	);	1315	);
911		1316
		1317	# "readahead" all extensions
912	sub load_extension {	1318	sub cache_extensions {
913	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
914		1320
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
916	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1323	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	}	1324	}
940	die $@;
941	}	1325	};
942		1326
943	push @EXTS, $pkg;	1327	$grp
944	}	1328	}
945		1329
946	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
947	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1335	next unless -r $path;
949	eval {	1336
950	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
951	1	1393	}
952	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
953	}	1399	};
954	}	1400	}
955		1401
956	#############################################################################	1402	#############################################################################
957		1403
		1404	=back
		1405
958	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
959		1407
960	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
961		1409
962	=cut	1410	=cut
963		1411
964	package cf::player;	1412	package cf::player;
965		1413
966	use Coro::AIO;	1414	use Coro::AIO;
967		1415
968	=head3 cf::player	1416	=head3 cf::player
969		1417
970	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
971		1433
972	=item cf::player::find $login	1434	=item cf::player::find $login
973		1435
974	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
975		1437
…		…
994		1456
995	sub exists($) {	1457	sub exists($) {
996	my ($login) = @_;	1458	my ($login) = @_;
997		1459
998	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1000	}	1462	}
1001		1463
1002	sub find($) {	1464	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1466	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1477
1016	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1019	}	1487	}
1020	}	1488	}
1021	}	1489	}
1022		1490
…		…
1031	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1032		1500
1033	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1035		1503
		1504	cf::get_slot 0.01;
		1505
1036	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1037	Coro::cede;	1507	cf::cede_to_tick;
1038	}	1508	}
1039		1509
1040	sub new($) {	1510	sub new($) {
1041	my ($login) = @_;	1511	my ($login) = @_;
1042		1512
…		…
1048	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1049		1519
1050	$self	1520	$self
1051	}	1521	}
1052		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1053	=item $pl->quit_character	1533	=item $pl->quit_character
1054		1534
1055	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1057		1537
…		…
1061	my ($pl) = @_;	1541	my ($pl) = @_;
1062		1542
1063	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1064		1544
1065	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1547
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1072		1554
1073	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1592	or return [];
1111		1593
1112	my @logins;	1594	my @logins;
1113		1595
1114	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1118		1606
1119	utf8::decode $login;	1607	utf8::decode $login;
1120	push @logins, $login;	1608	push @logins, $login;
1121	}	1609	}
1122		1610
…		…
1149	}	1637	}
1150		1638
1151	\@paths	1639	\@paths
1152	}	1640	}
1153		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1154	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1155		1647
1156	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1157		1649
1158	=cut	1650	=cut
1159		1651
1160	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1162		1654
1163	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1656	}
1167		1657
1168	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1169		1659
1170	Sends an ext event to the client.	1660	Sends an ext event to the client.
1171		1661
1172	=cut	1662	=cut
1173		1663
1174	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1176		1666
1177	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1178	}	1668	}
1179		1669
1180	=head3 cf::region	1670	=head3 cf::region
1181		1671
1182	=over 4	1672	=over 4
…		…
1185		1675
1186	package cf::region;	1676	package cf::region;
1187		1677
1188	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1189		1679
1190	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1191		1681
1192	=cut	1682	=cut
1193		1683
1194	sub find_by_path($) {	1684	sub find_by_path($) {
1195	my ($path) = @_;	1685	my ($path) = @_;
1196		1686
1197	my ($match, $specificity);	1687	my ($match, $specificity);
1198		1688
1199	for my $region (list) {	1689	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1203	}	1693	}
1204	}	1694	}
1205		1695
…		…
1226	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1228		1718
1229	sub generate_random_map {	1719	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1231	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1725	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1270		1763
1271	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1272	local $self->{path};	1765	local $self->{path};
1273	local $self->{load_path};	1766	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1767
1277	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1278	}	1769	}
1279		1770
1280	sub normalise {	1771	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1328	return $self;	1819	return $self;
1329	}	1820	}
1330	}	1821	}
1331		1822
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1824	()
1334	}	1825	}
1335		1826
1336	sub init {	1827	sub init {
1337	my ($self) = @_;	1828	my ($self) = @_;
…		…
1352		1843
1353	# the original (read-only) location	1844	# the original (read-only) location
1354	sub load_path {	1845	sub load_path {
1355	my ($self) = @_;	1846	my ($self) = @_;
1356		1847
1357	"$MAPDIR($self->{path}"	1848	"$MAPDIR/$self->{path}.map"
1358	}	1849	}
1359		1850
1360	# the temporary/swap location	1851	# the temporary/swap location
1361	sub save_path {	1852	sub save_path {
1362	my ($self) = @_;	1853	my ($self) = @_;
1363		1854
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path"	1856	"$TMPDIR/$path.map"
1366	}	1857	}
1367		1858
1368	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1369	sub uniq_path {	1860	sub uniq_path {
1370	my ($self) = @_;	1861	my ($self) = @_;
1371		1862
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1374	}	1865	}
1375		1866
1376	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1377	# all maps in C++...	1868	# all maps in C++...
…		…
1380		1871
1381	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1383	}	1874	}
1384		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1385	sub unlink_save {	1884	sub unlink_save {
1386	my ($self) = @_;	1885	my ($self) = @_;
1387		1886
1388	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1891
1393	sub load_header_from($) {	1892	sub load_header_from($) {
1394	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1395		1894
1396	utf8::encode $path;	1895	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1402		1904
1403	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1404		1906
1405	1	1907	1
1406	}	1908	}
…		…
1445	$self->load_header_orig	1947	$self->load_header_orig
1446	or return;	1948	or return;
1447	$self->prepare_orig;	1949	$self->prepare_orig;
1448	}	1950	}
1449		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
1450	$self->default_region (cf::region::find_by_path $self->{path})	1955	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1956	unless $self->default_region;
1452		1957
1453	1	1958	1
1454	}	1959	}
…		…
1457	sub find {	1962	sub find {
1458	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1459		1964
1460	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1461		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1463		1969
1464	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1467	or return;	1972	or return;
1468		1973
1469	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1470		1975
1471	$map->load_header	1976	$map->load_header
1472	or return;	1977	or return;
1473		1978
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1477	$map->reset;	1984	$map->reset;
1478	undef $guard;
1479	return find $path;	1985	return find $path;
1480	}	1986	}
1481		1987
1482	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1483	}	1989	}
…		…
1490	my ($self) = @_;	1996	my ($self) = @_;
1491		1997
1492	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1493		1999
1494	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1496		2004
		2005	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2007
1499	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1500		2009
1501	$self->alloc;	2010	$self->alloc;
1502		2011
1503	$self->pre_load;	2012	$self->pre_load;
1504	Coro::cede;	2013	cf::cede_to_tick;
1505		2014
1506	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1507	or return;	2018	or return;
1508		2019
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1510	if delete $self->{load_original};	2021	if delete $self->{load_original};
1511		2022
1512	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2024	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2027	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1517	}	2031	}
1518	}	2032	}
1519		2033
1520	Coro::cede;	2034	$f->resolve_delayed_derefs;
		2035
		2036	cf::cede_to_tick;
1521	# now do the right thing for maps	2037	# now do the right thing for maps
1522	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2040	unless $self->difficulty;
1533	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1534	$self->activate;	2050	$self->activate;
1535	Coro::cede;	2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2057	}
1537		2058
1538	$self->post_load;	2059	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2060	}
1543		2061
1544	sub customise_for {	2062	sub customise_for {
1545	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1546		2064
1547	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2066	if $self->per_player;
1549		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1550	$self	2071	$self
1551	}	2072	}
1552		2073
1553	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2075	sub load_neighbours {
1555	my ($map) = @_;	2076	my ($map) = @_;
1556		2077
1557	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1558		2079
1559	for (0 .. 3) {	2080	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1561	or next;	2082	or next;
1562	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1563	or next;	2084	or next;
1564	$neigh->load;	2085	$neigh->load;
1565		2086
		2087	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2090	}
1569		2091
1570	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1572	or next;	2095	or next;
1573	$neigh->load;	2096	$neigh->load;
1574	}	2097	}
1575	}	2098	}
1576		2099
…		…
1581	}	2104	}
1582		2105
1583	sub do_load_sync {	2106	sub do_load_sync {
1584	my ($map) = @_;	2107	my ($map) = @_;
1585		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1586	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1587	}	2113	}
1588		2114
1589	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1591		2117
1592	sub find_async {	2118	sub find_async {
1593	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1594		2120
1595	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1596		2122
1597	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2125	}
1600		2126
1601	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1602	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1603	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2134	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2135	$map->load if $v;
		2136	}
1608		2137
1609	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1610	}	2139	}
1611	}	2140	}
1612	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1613	};	2142	};
1614	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2146	}
1618		2147
1619	sub save {	2148	sub save {
1620	my ($self) = @_;	2149	my ($self) = @_;
1621		2150
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2152
1624	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1625		2154
1626	return unless $self->dirty;	2155	return unless $self->dirty;
1627		2156
…		…
1633	return if $self->{deny_save};	2162	return if $self->{deny_save};
1634		2163
1635	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1636		2165
1637	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1639	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1640		2172
1641	if ($uniq) {	2173	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2176	} else {
…		…
1650	my ($self) = @_;	2182	my ($self) = @_;
1651		2183
1652	# save first because save cedes	2184	# save first because save cedes
1653	$self->save;	2185	$self->save;
1654		2186
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2188
1657	return if $self->players;	2189	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1659	return if $self->{deny_save};	2191	return if $self->{deny_save};
1660		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2197	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2198	}
1664		2199
1665	sub reset_at {	2200	sub reset_at {
1666	my ($self) = @_;	2201	my ($self) = @_;
1667		2202
1668	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1671		2205
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2208
…		…
1685	my ($self) = @_;	2219	my ($self) = @_;
1686		2220
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2222
1689	return if $self->players;	2223	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2224
1692	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1693		2226
1694	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1695		2228
1696	# need to save uniques path	2229	# need to save uniques path
1697	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2234	if $uniq;
1702	}	2235	}
1703		2236
1704	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1705		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2241	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2242
1710	$self->unlink_save;	2243	$self->unlink_save;
1711	$self->destroy;	2244	$self->destroy;
1712	}	2245	}
1713		2246
1714	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1715		2248
1716	sub nuke {	2249	sub nuke {
1717	my ($self) = @_;	2250	my ($self) = @_;
1718		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1719	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1720		2256
1721	$self->unlink_save;	2257	$self->unlink_save;
1722		2258
1723	bless $self, "cf::map";	2259	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2264
1729	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1730		2267
1731	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1732	}	2305	}
1733		2306
1734	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1735		2308
1736	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2310	instantiated unique items. May block.
1738		2311
1739	=cut	2312	=cut
1740		2313
1741	sub unique_maps() {	2314	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2315	[
1743	or return;	2316	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2317	utf8::decode $_;
1749	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2320	? ()
1752	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2323	]
1754
1755	\@paths
1756	}	2324	}
1757
1758	package cf;
1759		2325
1760	=back	2326	=back
1761		2327
1762	=head3 cf::object	2328	=head3 cf::object
1763		2329
…		…
1767		2333
1768	=over 4	2334	=over 4
1769		2335
1770	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1771		2337
1772	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1773		2340
1774	=cut	2341	=cut
1775		2342
1776	sub inv_recursive_;	2343	sub inv_recursive_;
1777	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1780		2347
1781	sub inv_recursive {	2348	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1783	}	2350	}
1784		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1785	package cf;	2380	package cf;
1786		2381
1787	=back	2382	=back
1788		2383
1789	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1798		2393
1799	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1800		2409
1801	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2411	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1806		2415
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2417
1809	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1811	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1814	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1815	}	2443	}
1816		2444
1817	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1818		2446
1819	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1832		2460
1833	=item $player_object->enter_link	2461	=item $player_object->enter_link
1834		2462
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2464
1837	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1839		2469
1840	Will never block.	2470	Will never block.
1841		2471
1842	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1843		2473
…		…
1866	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1867		2497
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2499
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1872		2502
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2504	}
1875		2505
1876	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1878		2510
1879	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1880		2512
1881	unless ($map) {	2513	unless ($map) {
1882	# restore original map position	2514	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1899		2531
1900	$map->load;	2532	$map->load;
1901	$map->load_diag;	2533	$map->load_neighbours;
1902		2534
1903	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1904	$self->activate_recursive;	2537	$self->activate_recursive;
1905		2538
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1908	}	2541	}
1909		2542
1910	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2544
1914	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1918	};	2549	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2550
1924	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1925	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2553
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1945		2557
1946	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2563
1949	$self->enter_link;	2564	$self->enter_link;
1950		2565
1951	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1952	my $map = eval {	2588	my $map = eval {
1953	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1955	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2604	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1960	})->prio (1);	2612	})->prio (1);
1961	}	2613	}
1962		2614
1963	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1964		2616
…		…
1984	}	2636	}
1985		2637
1986	sub prepare_random_map {	2638	sub prepare_random_map {
1987	my ($exit) = @_;	2639	my ($exit) = @_;
1988		2640
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2643	# that depends on the exit object
1994		2644
1995	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2647	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2002	}	2654	}
2003		2655
2004	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2005		2657
2006	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2009		2661
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2664	undef $fh;
2013	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2014		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2017	}	2673	}
2018	}	2674	}
2019		2675
2020	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2022		2678
2023	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2024		2680
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2681	$self->enter_link;
2037		2682
2038	(async {	2683	(async {
2039	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
2040	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2041	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2042		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2043	1;	2707	1
2044	}) {	2708	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2713
2050	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2069		2733
2070	utf8::encode $text;	2734	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2736	}
2073		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
2074	=item $client->ext_event ($type, %msg)	2889	=item $client->ext_msg ($type, @msg)
2075		2890
2076	Sends an exti event to the client.	2891	Sends an ext event to the client.
2077		2892
2078	=cut	2893	=cut
2079		2894
2080	sub cf::client::ext_event($$%) {	2895	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2896	my ($self, $type, @msg) = @_;
2082		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2901	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
2085	}	2922	}
2086		2923
2087	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2088		2925
2089	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2929
2093	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2931	become reliable at some point in the future.
2095		2932
2096	=cut	2933	=cut
2097		2934
2098	sub cf::client::query {	2935	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2944	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2946
2110	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2112	}	2951	}
2113		2952
2114	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2115	on_reply => sub {	2959	on_reply => sub {
2116	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2117		2961
2118	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2119	# get handled first	2963	# get handled first
…		…
2131	} else {	2975	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2977	}
2134	}	2978	}
2135	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2136	);	3006	);
2137		3007
2138	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2139		3009
2140	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2183		3053
2184	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2185		3055
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2187		3061
2188	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2189		3063
2190	=pod	3064	=pod
2191		3065
2192	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2193		3067
2194	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2195	cf::object::player player	3072	cf::object::player
2196	cf::player peaceful	3073	player
2197	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2198		3080
2199	=cut	3081	=cut
2200		3082
2201	for (	3083	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2203	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2206	) {	3090	) {
2207	no strict 'refs';	3091	no strict 'refs';
…		…
2278	=back	3162	=back
2279		3163
2280	=cut	3164	=cut
2281		3165
2282	#############################################################################	3166	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3167	# the server's init and main functions
2457		3168
2458	sub load_facedata($) {	3169	sub load_facedata($) {
2459	my ($path) = @_;	3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3177
2461	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2462		3179
2463	my $facedata;	3180	my $facedata;
2464	0 < aio_load $path, $facedata	3181	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3184	$facedata = Coro::Storable::thaw $facedata;
2468		3185
2469	$facedata->{version} == 2	3186	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
2472	{	3196	{
2473	my $faces = $facedata->{faceinfo};	3197	my $faces = $facedata->{faceinfo};
2474		3198
2475	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3206
		3207	cf::cede_to_tick;
2481	}	3208	}
2482		3209
2483	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2485	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2486	or next;	3214	or next;
		3215
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3219	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3221	}
2492	Coro::cede;	3222
		3223	cf::cede_to_tick;
2493	}	3224	}
2494	}	3225	}
2495		3226
2496	{	3227	{
2497	my $anims = $facedata->{animinfo};	3228	my $anims = $facedata->{animinfo};
2498		3229
2499	while (my ($anim, $info) = each %$anims) {	3230	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3232	cf::cede_to_tick;
2502	}	3233	}
2503		3234
2504	cf::anim::invalidate_all; # d'oh	3235	cf::anim::invalidate_all; # d'oh
2505	}	3236	}
2506		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
2507	1	3273	1
2508	}	3274	}
2509		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
2510	sub reload_regions {	3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
2511	load_resource_file "$MAPDIR/regions"	3319	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3320	or die "unable to load regions file\n";
		3321
		3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
2513	}	3326	}
2514		3327
2515	sub reload_facedata {	3328	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3329	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3330	or die "unable to load facedata\n";
…		…
2528	}	3341	}
2529		3342
2530	sub reload_resources {	3343	sub reload_resources {
2531	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2532		3345
2533	reload_regions;
2534	reload_facedata;	3346	reload_facedata;
2535	reload_archetypes;	3347	reload_archetypes;
		3348	reload_regions;
2536	reload_treasures;	3349	reload_treasures;
2537		3350
2538	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
2539	}	3352	}
2540		3353
2541	sub init {	3354	sub reload_config {
2542	reload_resources;
2543	}
2544
2545	sub cfg_load {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3356	or return;
2548		3357
2549	local $/;	3358	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2551		3360
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3362
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2561	};	3370	};
2562	warn $@ if $@;	3371	warn $@ if $@;
2563	}	3372	}
2564	}	3373	}
2565		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2566	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406
		3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408
2567	# we must not ever block the main coroutine	3409	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3410	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3411	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3412	(async {
2571	Event::one_event;	3413	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3414	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3415	})->prio (Coro::PRIO_MAX);
2573	};	3416	};
2574		3417
2575	cfg_load;	3418	evthread_start IO::AIO::poll_fileno;
		3419
		3420	cf::sync_job {
		3421	reload_resources;
		3422	reload_config;
2576	db_init;	3423	db_init;
		3424
		3425	cf::load_settings;
		3426	cf::load_materials;
		3427	cf::init_uuid;
		3428	cf::init_signals;
		3429	cf::init_commands;
		3430	cf::init_skills;
		3431
		3432	cf::init_beforeplay;
		3433
		3434	atomic;
		3435
2577	load_extensions;	3436	load_extensions;
2578		3437
2579	$TICK_WATCHER->start;	3438	utime time, time, $RUNTIMEFILE;
		3439
		3440	# no (long-running) fork's whatsoever before this point(!)
		3441	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3442
		3443	(pop @POST_INIT)->(0) while @POST_INIT;
		3444	};
		3445
2580	Event::loop;	3446	EV::loop;
2581	}	3447	}
2582		3448
2583	#############################################################################	3449	#############################################################################
2584	# initialisation and cleanup	3450	# initialisation and cleanup
2585		3451
2586	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2587	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2596	},
2597	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2598	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_seq uuid_cur;
		3513
		3514	unless ($value) {
		3515	warn "cowardly refusing to write zero uuid value!\n";
		3516	return;
		3517	}
		3518
		3519	my $value = uuid_str $value + $uuid_skip;
		3520	$uuid_skip = 0;
		3521
		3522	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3523	and return;
		3524
		3525	# always fsync - this file is important
		3526	aio_fsync $fh
		3527	and return;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$uuid~", $uuid
		3533	and return;
		3534
		3535	warn "uuid file written ($value).\n";
		3536
		3537	1
		3538
		3539	}
		3540
		3541	sub write_uuid($$) {
		3542	my ($skip, $sync) = @_;
		3543
		3544	$sync ? write_uuid_sync $skip
		3545	: async { write_uuid_sync $skip };
2599	}	3546	}
2600		3547
2601	sub emergency_save() {	3548	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3549	my $freeze_guard = cf::freeze_mainloop;
2603		3550
2604	warn "enter emergency perl save\n";	3551	warn "emergency_perl_save: enter\n";
2605		3552
2606	cf::sync_job {	3553	cf::sync_job {
		3554	# this is a trade-off: we want to be very quick here, so
		3555	# save all maps without fsync, and later call a global sync
		3556	# (which in turn might be very very slow)
		3557	local $USE_FSYNC = 0;
		3558
2607	# use a peculiar iteration method to avoid tripping on perl	3559	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3560	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3561	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3562	warn "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3563	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3564	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3565	$pl->valid or next;
		3566	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3567	$pl->save;
2615	}	3568	}
2616	warn "end emergency player save\n";	3569	warn "emergency_perl_save: end player save\n";
2617		3570
2618	warn "begin emergency map save\n";	3571	warn "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3572	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3573	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3574	$map->valid or next;
2622	$map->save;	3575	$map->save;
2623	}	3576	}
2624	warn "end emergency map save\n";	3577	warn "emergency_perl_save: end map save\n";
2625		3578
2626	warn "begin emergency database checkpoint\n";	3579	warn "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3580	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3581	warn "emergency_perl_save: end database checkpoint\n";
		3582
		3583	warn "emergency_perl_save: begin write uuid\n";
		3584	write_uuid_sync 1;
		3585	warn "emergency_perl_save: end write uuid\n";
2629	};	3586	};
2630		3587
		3588	warn "emergency_perl_save: starting sync()\n";
		3589	IO::AIO::aio_sync sub {
		3590	warn "emergency_perl_save: finished sync()\n";
		3591	};
		3592
2631	warn "leave emergency perl save\n";	3593	warn "emergency_perl_save: leave\n";
2632	}	3594	}
2633		3595
2634	sub post_cleanup {	3596	sub post_cleanup {
2635	my ($make_core) = @_;	3597	my ($make_core) = @_;
2636		3598
2637	warn Carp::longmess "post_cleanup backtrace"	3599	warn Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3600	if $make_core;
		3601
		3602	my $fh = pidfile;
		3603	unlink $PIDFILE if <$fh> == $$;
		3604	}
		3605
		3606	# a safer delete_package, copied from Symbol
		3607	sub clear_package($) {
		3608	my $pkg = shift;
		3609
		3610	# expand to full symbol table name if needed
		3611	unless ($pkg =~ /^main::.*::$/) {
		3612	$pkg = "main$pkg" if $pkg =~ /^::/;
		3613	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3614	$pkg .= '::' unless $pkg =~ /::$/;
		3615	}
		3616
		3617	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3618	my $stem_symtab = *{$stem}{HASH};
		3619
		3620	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3621	or return;
		3622
		3623	# clear all symbols
		3624	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3625	for my $name (keys %$leaf_symtab) {
		3626	_gv_clear *{"$pkg$name"};
		3627	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3628	}
		3629	warn "cleared package $pkg\n";#d#
2639	}	3630	}
2640		3631
2641	sub do_reload_perl() {	3632	sub do_reload_perl() {
2642	# can/must only be called in main	3633	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3634	if ($Coro::current != $Coro::main) {
2644	warn "can only reload from main coroutine";	3635	warn "can only reload from main coroutine";
2645	return;	3636	return;
2646	}	3637	}
2647		3638
		3639	return if $RELOAD++;
		3640
		3641	my $t1 = EV::time;
		3642
		3643	while ($RELOAD) {
2648	warn "reloading...";	3644	warn "reloading...";
2649		3645
2650	warn "entering sync_job";	3646	warn "entering sync_job";
2651		3647
2652	cf::sync_job {	3648	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3650	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2656		3652
2657	warn "syncing database to disk";	3653	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3655
2660	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2661		3657
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2673	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();
2681
2682	warn "removing commands";
2683	%COMMAND = ();
2684
2685	warn "removing ext commands";
2686	%EXTCMD = ();
2687
2688	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";
2691
2692	if (my $cb = $pkg->can ("unload")) {
2693	eval {
2694	$cb->($pkg);
2695	1
2696	} or warn "$pkg unloaded, but with errors: $@";
2697	}	3661	}
2698		3662
2699	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2700	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2701	}	3665	%EXT_CORO = ();
2702		3666
2703	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2704	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2707	warn "... unloading $k";	3676	warn "... unloading $pkg";
2708	delete $INC{$k};
2709		3677
2710	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;
2712
2713	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2714	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2715	}	3687	}
2716		3688
2717	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2718	}	3704	}
2719		3705
2720	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3709
2724	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
2727		3713
2728	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3715	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2731		3717
2732	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2733		3719
2734	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2735	require cf;	3721	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3723
2738	warn "loading config and database again";	3724	warn "loading config and database again";
2739	cf::cfg_load;	3725	cf::reload_config;
2740		3726
2741	warn "loading extensions";	3727	warn "loading extensions";
2742	cf::load_extensions;	3728	cf::load_extensions;
2743		3729
		3730	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3731	warn "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3732	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3733	warn "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3734	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3735	warn "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3736	reattach $_ for values %PLAYER;
		3737	}
2750		3738
		3739	warn "running post_init jobs";
		3740	(pop @POST_INIT)->(1) while @POST_INIT;
		3741
2751	warn "leaving sync_job";	3742	warn "leaving sync_job";
2752		3743
2753	1	3744	1
2754	} or do {	3745	} or do {
2755	warn $@;	3746	warn $@;
2756	warn "error while reloading, exiting.";	3747	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3748	};
2759		3749
2760	warn "reloaded";	3750	warn "reloaded";
		3751	--$RELOAD;
		3752	}
		3753
		3754	$t1 = EV::time - $t1;
		3755	warn "reload completed in ${t1}s\n";
2761	};	3756	};
2762		3757
2763	our $RELOAD_WATCHER; # used only during reload	3758	our $RELOAD_WATCHER; # used only during reload
2764		3759
2765	sub reload_perl() {	3760	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3761	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3762	# coro crashes during coro_state_free->destroy here.
2768		3763
2769	$RELOAD_WATCHER ||= Event->timer (	3764	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	3765	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	3766
2772	data => WF_AUTOCANCEL,	3767	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	3768	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3769	undef $RELOAD_WATCHER;
2776	},	3770	};
2777	);	3771	};
2778	}	3772	}
2779		3773
2780	register_command "reload" => sub {	3774	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3775	my ($who, $arg) = @_;
2782		3776
2783	if ($who->flag (FLAG_WIZ)) {	3777	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3778	$who->message ("reloading server.");
		3779	async {
		3780	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3781	reload_perl;
		3782	};
2786	}	3783	}
2787	};	3784	};
2788		3785
2789	unshift @INC, $LIBDIR;	3786	unshift @INC, $LIBDIR;
2790		3787
…		…
2792		3789
2793	our @WAIT_FOR_TICK;	3790	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3791	our @WAIT_FOR_TICK_BEGIN;
2795		3792
2796	sub wait_for_tick {	3793	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	3794	return if tick_inhibit || $Coro::current == $Coro::main;
2799		3795
2800	my $signal = new Coro::Signal;	3796	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3797	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3798	$signal->wait;
2803	}	3799	}
2804		3800
2805	sub wait_for_tick_begin {	3801	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	3802	return if tick_inhibit || $Coro::current == $Coro::main;
2808		3803
2809	my $signal = new Coro::Signal;	3804	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3805	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3806	$signal->wait;
2812	}	3807	}
2813		3808
2814	$TICK_WATCHER = Event->timer (	3809	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3810	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3811	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3812	unless ++$bug_warning > 10;
2824	return;	3813	return;
2825	}	3814	}
2826		3815
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3816	cf::server_tick; # one server iteration
2830		3817
2831	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;
2833
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3818	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3819	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3820	Coro::async_pool {
		3821	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3822	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3823	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3824	};
		3825	}
2841		3826
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3827	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3828	$sig->send;
2853	}	3829	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3830	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3831	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	3832	}
2860	);	3833
		3834	$LOAD = ($NOW - $TICK_START) / $TICK;
		3835	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3836
		3837	if (0) {
		3838	if ($NEXT_TICK) {
		3839	my $jitter = $TICK_START - $NEXT_TICK;
		3840	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3841	warn "jitter $JITTER\n";#d#
		3842	}
		3843	}
		3844	}
2861		3845
2862	{	3846	{
2863	BDB::max_poll_time $TICK * 0.1;	3847	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3848
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3849	BDB::min_parallel 8;
2873		3850	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3851	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3852
2889	unless ($DB_ENV) {	3853	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3854	$DB_ENV = BDB::db_env_create;
		3855	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3856	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3857	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3858	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3859	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3860
2892	cf::sync_job {	3861	cf::sync_job {
2893	eval {	3862	eval {
2894	BDB::db_env_open	3863	BDB::db_env_open
2895	$DB_ENV,	3864	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3866	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3867	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3868	0666;
2900		3869
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3870	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3871	};
2906		3872
2907	cf::cleanup "db_env_open(db): $@" if $@;	3873	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3874	};
2909	}	3875	}
		3876
		3877	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3878	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3879	};
		3880	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3881	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3882	};
		3883	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3884	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3885	};
2910	}	3886	}
2911		3887
2912	{	3888	{
		3889	# configure IO::AIO
		3890
2913	IO::AIO::min_parallel 8;	3891	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3892	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3893	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	3894	}
2919	data => WF_AUTOCANCEL,	3895
2920	fd => IO::AIO::poll_fileno,	3896	my $_log_backtrace;
2921	poll => 'r',	3897
2922	prio => 6,	3898	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3899	my ($msg, @addr) = @_;
2924	);	3900
		3901	$msg =~ s/\n//;
		3902
		3903	# limit the # of concurrent backtraces
		3904	if ($_log_backtrace < 2) {
		3905	++$_log_backtrace;
		3906	my $perl_bt = Carp::longmess $msg;
		3907	async {
		3908	$Coro::current->{desc} = "abt $msg";
		3909
		3910	my @bt = fork_call {
		3911	@addr = map { sprintf "%x", $_ } @addr;
		3912	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3913	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3914	or die "addr2line: $!";
		3915
		3916	my @funcs;
		3917	my @res = <$fh>;
		3918	chomp for @res;
		3919	while (@res) {
		3920	my ($func, $line) = splice @res, 0, 2, ();
		3921	push @funcs, "[$func] $line";
		3922	}
		3923
		3924	@funcs
		3925	};
		3926
		3927	LOG llevInfo, "[ABT] $perl_bt\n";
		3928	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3929	LOG llevInfo, "[ABT] $_\n" for @bt;
		3930	--$_log_backtrace;
		3931	};
		3932	} else {
		3933	LOG llevInfo, "[ABT] $msg\n";
		3934	LOG llevInfo, "[ABT] [suppressed]\n";
		3935	}
2925	}	3936	}
2926		3937
2927	# load additional modules	3938	# load additional modules
2928	use cf::pod;	3939	use cf::pod;
2929		3940

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