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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		140
99	binmode STDOUT;	141	binmode STDOUT;
100	binmode STDERR;	142	binmode STDERR;
101		143
102	# read virtual server time, if available	144	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
107	}	149	}
108		150
109	mkdir $_	151	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		197
156	The raw value load value from the last tick.	198	The raw value load value from the last tick.
157		199
158	=item %cf::CFG	200	=item %cf::CFG
159		201
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	203	from wherever your confdir points to.
162		204
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		206
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	208	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
		216
169	=back	217	=back
170		218
171	=cut	219	=cut
172		220
173	BEGIN {	221	BEGIN {
…		…
177	$msg .= "\n"	225	$msg .= "\n"
178	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
179		227
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		229
182	utf8::encode $msg;
183	LOG llevError, $msg;	230	LOG llevError, $msg;
184	};	231	};
185	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
186		248
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	253	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		254	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	255	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		256
194	# we bless all objects into (empty) derived classes to force a method lookup	257	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	258	# within the Safe compartment.
196	for my $pkg (qw(	259	for my $pkg (qw(
197	cf::global cf::attachable	260	cf::global cf::attachable
198	cf::object cf::object::player	261	cf::object cf::object::player
199	cf::client cf::player	262	cf::client cf::player
200	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
201	cf::map cf::party cf::region	265	cf::party cf::region
202	)) {	266	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	268	}
206		269
207	$Event::DIED = sub {	270	$EV::DIED = sub {
208	warn "error in event callback: @_";	271	warn "error in event callback: @_";
209	};	272	};
		273
		274	#############################################################################
210		275
211	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
212		277
213	=over 4	278	=over 4
214		279
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	299	$d
235	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
236	}	301	}
237		302
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
241		304
242	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
243		306
244	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
245		308
246	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
247		310
		311	=cut
		312
		313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		314
		315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
248	=item cf::lock_wait $string	332	=item cf::lock_wait $string
249		333
250	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
251		335
252	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
253		337
254	Wait until the given lock is available and then acquires it and returns	338	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
257	returned.	341	returned.
258		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
259	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
261		348
262	=item $locked = cf::lock_active $string	349	=item $locked = cf::lock_active $string
263		350
264	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
265		352
266	=cut	353	=cut
267		354
268	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
269		356
270	sub lock_wait($) {	357	sub lock_wait($) {
271	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	359	}
279		360
280	sub lock_acquire($) {	361	sub lock_acquire($) {
281	my ($key) = @_;	362	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	363	}
293		364
294	sub lock_active($) {	365	sub lock_active($) {
295	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	367	}
299		368
300	sub freeze_mainloop {	369	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
302		371
303	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	373	}
		374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
305	};	433	}
306	$TICK_WATCHER->stop;	434	};
307	$guard	435
		436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
308	}	448	}
309		449
310	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
311		451
312	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		457
318	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
319		459
320	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
321		461
322	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
325		466
326	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
329	fast or be very important.	470	fast or be very important.
…		…
332		473
333	sub sync_job(&) {	474	sub sync_job(&) {
334	my ($job) = @_;	475	my ($job) = @_;
335		476
336	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	478	my $time = EV::time;
338		479
339	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
341		482
342	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	484
344	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
345		486
346	my $busy = 1;	487	my $busy = 1;
347	my @res;	488	my @res;
348		489
349	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	492	@res = eval { $job->() };
351	warn $@ if $@;	493	warn $@ if $@;
352	undef $busy;	494	undef $busy;
353	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
354		496
355	while ($busy) {	497	while ($busy) {
356	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
357	}	502	}
		503	}
358		504
359	$time = Event::time - $time;	505	my $time = EV::time - $time;
360		506
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	507	$TICK_START += $time; # do not account sync jobs to server load
365		508
366	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
367	} else {	510	} else {
368	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
369		512
…		…
389	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
390		533
391	$coro	534	$coro
392	}	535	}
393		536
394	sub write_runtime {	537	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		538
397	# first touch the runtime file to show we are still running:	539	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
399		543
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	544	=cut
401	utime undef, undef, $fh;	545
		546	sub fork_call(&@) {
		547	my ($cb, @args) = @_;
		548
		549	# we seemingly have to make a local copy of the whole thing,
		550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
		552
		553	my @res = Coro::Util::fork_eval {
		554	reset_signals;
		555	&$cb
		556	}, @args;
		557
		558	wantarray ? @res : $res[-1]
		559	}
		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
		588	=item $value = cf::db_get $family => $key
		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
402	}	615	};
		616	cf::cleanup "db_open(db): $@" if $@;
403		617
404	my $guard = cf::lock_acquire "write_runtime";	618	$db
		619	}
405		620
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	621	our $DB;
407	or return;
408		622
409	my $value = $cf::RUNTIME + 90 + 10;	623	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	624	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	625	$DB ||= db_table "db";
		626	};
		627	}
412		628
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	629	sub db_get($$) {
414	and return;	630	my $key = "$_[0]/$_[1]";
415		631
416	# always fsync - this file is important	632	cf::sync_job {
417	aio_fsync $fh	633	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		634
420	# touch it again to show we are up-to-date	635	$! ? ()
421	utime undef, undef, $fh;	636	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
432	}	713	}
433		714
434	=item cf::datalog type => key => value, ...	715	=item cf::datalog type => key => value, ...
435		716
436	Log a datalog packet of the given type with the given key-value pairs.	717	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		729
449	#############################################################################	730	#############################################################################
450		731
451	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
452		733
453	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
456		737
457	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	740	Deliantra).
460		741
461	=over 4	742	=over 4
462		743
463	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
464		745
…		…
508	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
509		790
510	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
512		793
513	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
515		796
516	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
517		798
518	=over 4	799	=over 4
…		…
666	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
667	}	948	}
668		949
669	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
670	} else {	951	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	953	}
673		954
674	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
675	}	956	}
676		957
…		…
716	";	997	";
717	die if $@;	998	die if $@;
718	}	999	}
719		1000
720	our $override;	1001	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1003
723	sub override {	1004	sub override {
724	$override = 1;	1005	$override = 1;
725	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
726	}	1007	}
727		1008
728	sub do_invoke {	1009	sub do_invoke {
729	my $event = shift;	1010	my $event = shift;
730	my $callbacks = shift;	1011	my $callbacks = shift;
731		1012
732	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
733		1014
734	local $override;	1015	local $override;
735		1016
736	for (@$callbacks) {	1017	for (@$callbacks) {
737	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
746	}	1027	}
747		1028
748	0	1029	0
749	}	1030	}
750		1031
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1033
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1035
755	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
756		1037
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1039	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1041
761	=back	1042	=back
762		1043
763	=cut	1044	=cut
764		1045
765	#############################################################################	1046	#############################################################################
766	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
767		1090
768	sub reattach {	1091	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1093	my ($obj) = @_;
771		1094
		1095	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1097
774	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
775		1099
776	@$registry = ();	1100	@$registry = ();
777		1101
…		…
792	cf::attachable->attach (	1116	cf::attachable->attach (
793	prio => -1000000,	1117	prio => -1000000,
794	on_instantiate => sub {	1118	on_instantiate => sub {
795	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
796		1120
797	$data = from_json $data;	1121	$data = decode_json $data;
798		1122
799	for (@$data) {	1123	for (@$data) {
800	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
801		1125
802	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1142	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
820		1144
821	sync_job {	1145	sync_job {
822	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
825		1150
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1155	aio_close $fh;
831		1156
832	if (@$objs) {	1157	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1163	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
840	}	1165	}
841	} else {	1166	} else {
842	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
843	}	1168	}
844		1169
845	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1174	} else {
847	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
848	}	1176	}
849	} else {	1177	} else {
850	aio_unlink $filename;	1178	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
852	}	1180	}
853	}	1181	};
854	}	1182	}
855		1183
856	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
858		1186
…		…
870	or return;	1198	or return;
871		1199
872	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
874	or return;	1202	or return;
		1203
875	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
876	}	1206	}
877		1207
		1208	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
880	return ($data, $av);	1212	($data, $av)
881	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
882		1220
883	#############################################################################	1221	#############################################################################
884	# command handling &c	1222	# command handling &c
885		1223
886	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1238	}
901		1239
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1241
904	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
905		1247
906	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
907	called.	1249	called.
908		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
909	=cut	1262	=cut
910		1263
911	sub register_extcmd {	1264	sub register_extcmd {
912	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
913		1266
914	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
915	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
916		1277
917	cf::player->attach (	1278	cf::player->attach (
918	on_command => sub {	1279	on_command => sub {
919	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
920		1281
…		…
928	cf::override;	1289	cf::override;
929	},	1290	},
930	on_extcmd => sub {	1291	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
932		1293
933	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1295
935	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
941	} else {	1311	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1313	}
944		1314
945	cf::override;	1315	cf::override;
946	},	1316	},
947	);	1317	);
948		1318
		1319	# "readahead" all extensions
949	sub load_extension {	1320	sub cache_extensions {
950	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
951		1322
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
953	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1326	}
977	die $@;
978	}	1327	};
979		1328
980	push @EXTS, $pkg;	1329	$grp
981	}	1330	}
982		1331
983	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
984	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1337	next unless -r $path;
986	eval {	1338
987	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
988	1	1395	}
989	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
990	}	1401	};
991	}	1402	}
992		1403
993	#############################################################################	1404	#############################################################################
994		1405
		1406	=back
		1407
995	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
996		1409
997	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
998		1411
999	=cut	1412	=cut
1000		1413
1001	package cf::player;	1414	package cf::player;
1002		1415
1003	use Coro::AIO;	1416	use Coro::AIO;
1004		1417
1005	=head3 cf::player	1418	=head3 cf::player
1006		1419
1007	=over 4	1420	=over 4
		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
1008		1435
1009	=item cf::player::find $login	1436	=item cf::player::find $login
1010		1437
1011	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
1012		1439
…		…
1031		1458
1032	sub exists($) {	1459	sub exists($) {
1033	my ($login) = @_;	1460	my ($login) = @_;
1034		1461
1035	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1037	}	1464	}
1038		1465
1039	sub find($) {	1466	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1468	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1479
1053	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1056	}	1489	}
1057	}	1490	}
1058	}	1491	}
1059		1492
…		…
1068	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1069		1502
1070	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1072		1505
		1506	cf::get_slot 0.01;
		1507
1073	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1074	Coro::cede;	1509	cf::cede_to_tick;
1075	}	1510	}
1076		1511
1077	sub new($) {	1512	sub new($) {
1078	my ($login) = @_;	1513	my ($login) = @_;
1079		1514
…		…
1085	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1086		1521
1087	$self	1522	$self
1088	}	1523	}
1089		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1090	=item $pl->quit_character	1535	=item $pl->quit_character
1091		1536
1092	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1094		1539
…		…
1098	my ($pl) = @_;	1543	my ($pl) = @_;
1099		1544
1100	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1101		1546
1102	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1549
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1109		1556
1110	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1594	or return [];
1148		1595
1149	my @logins;	1596	my @logins;
1150		1597
1151	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1155		1608
1156	utf8::decode $login;	1609	utf8::decode $login;
1157	push @logins, $login;	1610	push @logins, $login;
1158	}	1611	}
1159		1612
…		…
1186	}	1639	}
1187		1640
1188	\@paths	1641	\@paths
1189	}	1642	}
1190		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1191	=item $player->ext_reply ($msgid, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1192		1649
1193	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1194		1651
1195	=cut	1652	=cut
1196		1653
1197	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1199		1656
1200	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1658	}
1204		1659
1205	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1206		1661
1207	Sends an ext event to the client.	1662	Sends an ext event to the client.
1208		1663
1209	=cut	1664	=cut
1210		1665
1211	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1213		1668
1214	$self->ns->ext_event ($type, %msg);	1669	$self->ns->ext_msg ($type, @msg);
1215	}	1670	}
1216		1671
1217	=head3 cf::region	1672	=head3 cf::region
1218		1673
1219	=over 4	1674	=over 4
…		…
1222		1677
1223	package cf::region;	1678	package cf::region;
1224		1679
1225	=item cf::region::find_by_path $path	1680	=item cf::region::find_by_path $path
1226		1681
1227	Tries to decuce the probable region for a map knowing only its path.	1682	Tries to decuce the likely region for a map knowing only its path.
1228		1683
1229	=cut	1684	=cut
1230		1685
1231	sub find_by_path($) {	1686	sub find_by_path($) {
1232	my ($path) = @_;	1687	my ($path) = @_;
1233		1688
1234	my ($match, $specificity);	1689	my ($match, $specificity);
1235		1690
1236	for my $region (list) {	1691	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1692	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1693	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1694	if $region->specificity > $specificity;
1240	}	1695	}
1241	}	1696	}
1242		1697
…		…
1263	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1265		1720
1266	sub generate_random_map {	1721	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1268	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1727	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1307		1765
1308	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1309	local $self->{path};	1767	local $self->{path};
1310	local $self->{load_path};	1768	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1769
1314	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1315	}	1771	}
1316		1772
1317	sub normalise {	1773	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1365	return $self;	1821	return $self;
1366	}	1822	}
1367	}	1823	}
1368		1824
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1826	()
1371	}	1827	}
1372		1828
1373	sub init {	1829	sub init {
1374	my ($self) = @_;	1830	my ($self) = @_;
…		…
1396		1852
1397	# the temporary/swap location	1853	# the temporary/swap location
1398	sub save_path {	1854	sub save_path {
1399	my ($self) = @_;	1855	my ($self) = @_;
1400		1856
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1403	}	1859	}
1404		1860
1405	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1406	sub uniq_path {	1862	sub uniq_path {
1407	my ($self) = @_;	1863	my ($self) = @_;
1408		1864
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1411	}	1867	}
1412		1868
1413	# and all this just because we cannot iterate over	1869	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1870	my ($self) = @_;
1417		1871
1418	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1420	}	1875	}
1421		1876
1422	sub unlink_save {	1877	sub unlink_save {
1423	my ($self) = @_;	1878	my ($self) = @_;
1424		1879
…		…
1429		1884
1430	sub load_header_from($) {	1885	sub load_header_from($) {
1431	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1432		1887
1433	utf8::encode $path;	1888	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1439		1897
1440	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1441		1899
1442	1	1900	1
1443	}	1901	}
…		…
1482	$self->load_header_orig	1940	$self->load_header_orig
1483	or return;	1941	or return;
1484	$self->prepare_orig;	1942	$self->prepare_orig;
1485	}	1943	}
1486		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
1487	$self->default_region (cf::region::find_by_path $self->{path})	1948	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1949	unless $self->default_region;
1489		1950
1490	1	1951	1
1491	}	1952	}
…		…
1494	sub find {	1955	sub find {
1495	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1496		1957
1497	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1498		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1500		1962
1501	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1504	or return;	1965	or return;
1505		1966
1506	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1507		1968
1508	$map->load_header	1969	$map->load_header
1509	or return;	1970	or return;
1510		1971
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1514	$map->reset;	1977	$map->reset;
1515	undef $guard;
1516	return find $path;	1978	return find $path;
1517	}	1979	}
1518		1980
1519	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1520	}	1982	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1530		1992
1531	my $path = $self->{path};	1993	my $path = $self->{path};
1532		1994
1533	{	1995	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1535		1997
		1998	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2000
1538	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1539		2002
1540	$self->alloc;	2003	$self->alloc;
1541		2004
1542	$self->pre_load;	2005	$self->pre_load;
1543	Coro::cede;	2006	cf::cede_to_tick;
1544		2007
		2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2010	$self->_load_objects ($f)
1546	or return;	2011	or return;
1547		2012
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1549	if delete $self->{load_original};	2014	if delete $self->{load_original};
1550		2015
1551	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2017	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2020	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1556	}	2024	}
1557	}	2025	}
1558		2026
1559	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1560	# now do the right thing for maps	2030	# now do the right thing for maps
1561	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2033	unless $self->difficulty;
1564	Coro::cede;	2034	cf::cede_to_tick;
1565		2035
1566	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2037	$self->decay_objects;
1568	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1569	$self->update_buttons;	2039	$self->update_buttons;
1570	Coro::cede;	2040	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2041	$self->activate;
1574	}	2042	}
1575		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2048	}
1578		2049
1579	$self->post_load;	2050	$self->post_load;
1580	}	2051	}
1581		2052
…		…
1583	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1584		2055
1585	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2057	if $self->per_player;
1587		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1588	$self	2062	$self
1589	}	2063	}
1590		2064
1591	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2066	sub load_neighbours {
1593	my ($map) = @_;	2067	my ($map) = @_;
1594		2068
1595	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1596		2070
1597	for (0 .. 3) {	2071	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1599	or next;	2073	or next;
1600	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1601	or next;	2075	or next;
1602	$neigh->load;	2076	$neigh->load;
1603		2077
		2078	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2081	}
1607		2082
1608	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1610	or next;	2086	or next;
1611	$neigh->load;	2087	$neigh->load;
1612	}	2088	}
1613	}	2089	}
1614		2090
…		…
1619	}	2095	}
1620		2096
1621	sub do_load_sync {	2097	sub do_load_sync {
1622	my ($map) = @_;	2098	my ($map) = @_;
1623		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1624	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1625	}	2104	}
1626		2105
1627	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1629		2108
1630	sub find_async {	2109	sub find_async {
1631	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1632		2111
1633	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1634		2113
1635	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2116	}
1638		2117
1639	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1640	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1641	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2125	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2126	$map->load if $v;
		2127	}
1646		2128
1647	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1648	}	2130	}
1649	}	2131	}
1650	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1651	};	2133	};
1652	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2137	}
1656		2138
1657	sub save {	2139	sub save {
1658	my ($self) = @_;	2140	my ($self) = @_;
1659		2141
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2143
1662	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1663		2145
1664	return unless $self->dirty;	2146	return unless $self->dirty;
1665		2147
…		…
1671	return if $self->{deny_save};	2153	return if $self->{deny_save};
1672		2154
1673	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1674		2156
1675	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1677	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1678		2163
1679	if ($uniq) {	2164	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2167	} else {
…		…
1688	my ($self) = @_;	2173	my ($self) = @_;
1689		2174
1690	# save first because save cedes	2175	# save first because save cedes
1691	$self->save;	2176	$self->save;
1692		2177
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2179
1695	return if $self->players;	2180	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2182	return if $self->{deny_save};
1698		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2188	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2189	}
1702		2190
1703	sub reset_at {	2191	sub reset_at {
1704	my ($self) = @_;	2192	my ($self) = @_;
1705		2193
1706	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1709		2196
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2199
…		…
1723	my ($self) = @_;	2210	my ($self) = @_;
1724		2211
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2213
1727	return if $self->players;	2214	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2215
1730	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1731		2217
1732	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1733		2219
1734	# need to save uniques path	2220	# need to save uniques path
1735	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2225	if $uniq;
1740	}	2226	}
1741		2227
1742	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1743		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2232	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2233
1748	$self->unlink_save;	2234	$self->unlink_save;
1749	$self->destroy;	2235	$self->destroy;
1750	}	2236	}
1751		2237
1752	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1753		2239
1754	sub nuke {	2240	sub nuke {
1755	my ($self) = @_;	2241	my ($self) = @_;
1756		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1757	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1758		2247
1759	$self->unlink_save;	2248	$self->unlink_save;
1760		2249
1761	bless $self, "cf::map";	2250	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2255
1767	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1768		2258
1769	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1770	}	2296	}
1771		2297
1772	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1773		2299
1774	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2301	instantiated unique items. May block.
1776		2302
1777	=cut	2303	=cut
1778		2304
1779	sub unique_maps() {	2305	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2306	[
1781	or return;	2307	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2308	utf8::decode $_;
1787	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2311	? ()
1790	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2314	]
1792
1793	\@paths
1794	}	2315	}
1795
1796	package cf;
1797		2316
1798	=back	2317	=back
1799		2318
1800	=head3 cf::object	2319	=head3 cf::object
1801		2320
…		…
1805		2324
1806	=over 4	2325	=over 4
1807		2326
1808	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1809		2328
1810	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1811		2331
1812	=cut	2332	=cut
1813		2333
1814	sub inv_recursive_;	2334	sub inv_recursive_;
1815	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1818		2338
1819	sub inv_recursive {	2339	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1821	}	2341	}
1822		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1823	package cf;	2371	package cf;
1824		2372
1825	=back	2373	=back
1826		2374
1827	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1836		2384
1837	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1838		2400
1839	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2402	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1844		2406
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2408
1847	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1849	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1852	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1853	}	2434	}
1854		2435
1855	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1856		2437
1857	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1870		2451
1871	=item $player_object->enter_link	2452	=item $player_object->enter_link
1872		2453
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2455
1875	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1877		2460
1878	Will never block.	2461	Will never block.
1879		2462
1880	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1881		2464
…		…
1904	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1905		2488
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2490
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1910		2493
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2495	}
1913		2496
1914	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1916		2501
1917	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1918		2503
1919	unless ($map) {	2504	unless ($map) {
1920	# restore original map position	2505	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1937		2522
1938	$map->load;	2523	$map->load;
1939	$map->load_diag;	2524	$map->load_neighbours;
1940		2525
1941	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2528	$self->activate_recursive;
1943		2529
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1946	}	2532	}
1947		2533
1948	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2535
1952	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1956	};	2540	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2541
1962	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1963	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2544
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1983		2548
1984	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2554
1987	$self->enter_link;	2555	$self->enter_link;
1988		2556
1989	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1990	my $map = eval {	2579	my $map = eval {
1991	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1993	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2595	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1998	})->prio (1);	2603	})->prio (1);
1999	}	2604	}
2000		2605
2001	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
2002		2607
…		…
2022	}	2627	}
2023		2628
2024	sub prepare_random_map {	2629	sub prepare_random_map {
2025	my ($exit) = @_;	2630	my ($exit) = @_;
2026		2631
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2634	# that depends on the exit object
2032		2635
2033	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2638	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2040	}	2645	}
2041		2646
2042	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2043		2648
2044	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2047		2652
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2655	undef $fh;
2051	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2052		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2055	}	2664	}
2056	}	2665	}
2057		2666
2058	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2060		2669
2061	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2062		2671
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2672	$self->enter_link;
2075		2673
2076	(async {	2674	(async {
2077	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2078	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2079	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2080		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2081	1;	2698	1
2082	}) {	2699	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2704
2088	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2107		2724
2108	utf8::encode $text;	2725	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2727	}
2111		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
2112	=item $client->ext_event ($type, %msg)	2877	=item $client->ext_msg ($type, @msg)
2113		2878
2114	Sends an exti event to the client.	2879	Sends an ext event to the client.
2115		2880
2116	=cut	2881	=cut
2117		2882
2118	sub cf::client::ext_event($$%) {	2883	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2884	my ($self, $type, @msg) = @_;
2120		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2889	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
2123	}	2910	}
2124		2911
2125	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2126		2913
2127	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2917
2131	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2919	become reliable at some point in the future.
2133		2920
2134	=cut	2921	=cut
2135		2922
2136	sub cf::client::query {	2923	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2932	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2934
2148	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2150	}	2939	}
2151		2940
2152	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
2153	on_reply => sub {	2947	on_reply => sub {
2154	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2155		2949
2156	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2157	# get handled first	2951	# get handled first
…		…
2169	} else {	2963	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2965	}
2172	}	2966	}
2173	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
2174	);	2994	);
2175		2995
2176	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2177		2997
2178	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2221		3041
2222	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2223		3043
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2225		3049
2226	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2227		3051
2228	=pod	3052	=pod
2229		3053
2230	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2231		3055
2232	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2233	cf::object::player player	3061	cf::object::player
2234	cf::player peaceful	3062	player
2235	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2236		3069
2237	=cut	3070	=cut
2238		3071
2239	for (	3072	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2244	) {	3079	) {
2245	no strict 'refs';	3080	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2264	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2265		3100
2266	my $qcode = $code;	3101	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2269		3106
2270	local $_;	3107	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2272		3109
2273	my $eval =	3110	my $eval =
…		…
2316	=back	3153	=back
2317		3154
2318	=cut	3155	=cut
2319		3156
2320	#############################################################################	3157	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3158	# the server's init and main functions
2496		3159
2497	sub load_facedata($) {	3160	sub load_facedata($) {
2498	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3168
2500	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2501		3170
2502	my $facedata;	3171	my $facedata;
2503	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2507		3176
2508	$facedata->{version} == 2	3177	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2511	{	3187	{
2512	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2513		3189
2514	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3197
		3198	cf::cede_to_tick;
2520	}	3199	}
2521		3200
2522	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2524	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2525	or next;	3205	or next;
		3206
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3210	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3212	}
2531	Coro::cede;	3213
		3214	cf::cede_to_tick;
2532	}	3215	}
2533	}	3216	}
2534		3217
2535	{	3218	{
2536	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2537		3220
2538	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3223	cf::cede_to_tick;
2541	}	3224	}
2542		3225
2543	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2544	}	3227	}
2545		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2546	1	3264	1
2547	}	3265	}
2548		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2549	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2550	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2552	}	3317	}
2553		3318
2554	sub reload_facedata {	3319	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2567	}	3332	}
2568		3333
2569	sub reload_resources {	3334	sub reload_resources {
2570	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2571		3336
2572	reload_regions;
2573	reload_facedata;	3337	reload_facedata;
2574	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2575	reload_treasures;	3340	reload_treasures;
2576		3341
2577	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2578	}	3343	}
2579		3344
2580	sub init {	3345	sub reload_config {
2581	reload_resources;
2582	}
2583
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3347	or return;
2587		3348
2588	local $/;	3349	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2590		3351
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3353
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	};	3361	};
2601	warn $@ if $@;	3362	warn $@ if $@;
2602	}	3363	}
2603	}	3364	}
2604		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2605	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2606	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3403	(async {
2610	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2612	};	3407	};
2613		3408
2614	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2615	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2616	load_extensions;	3427	load_extensions;
2617		3428
2618	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2619	Event::loop;	3437	EV::loop;
2620	}	3438	}
2621		3439
2622	#############################################################################	3440	#############################################################################
2623	# initialisation and cleanup	3441	# initialisation and cleanup
2624		3442
2625	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2626	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2635	},
2636	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2637	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2638	}	3537	}
2639		3538
2640	sub emergency_save() {	3539	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2642		3541
2643	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2644		3543
2645	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2646	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3558	$pl->save;
2654	}	3559	}
2655	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2656		3561
2657	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3565	$map->valid or next;
2661	$map->save;	3566	$map->save;
2662	}	3567	}
2663	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2664		3569
2665	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2668	};	3577	};
2669		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2670	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2671	}	3585	}
2672		3586
2673	sub post_cleanup {	3587	sub post_cleanup {
2674	my ($make_core) = @_;	3588	my ($make_core) = @_;
2675		3589
2676	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
2678	}	3621	}
2679		3622
2680	sub do_reload_perl() {	3623	sub do_reload_perl() {
2681	# can/must only be called in main	3624	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2684	return;	3627	return;
2685	}	3628	}
2686		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2687	warn "reloading...";	3635	warn "reloading...";
2688		3636
2689	warn "entering sync_job";	3637	warn "entering sync_job";
2690		3638
2691	cf::sync_job {	3639	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3641	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2695		3643
2696	warn "syncing database to disk";	3644	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3646
2699	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2700		3648
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3652	}
2737		3653
2738	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2740	}	3656	%EXT_CORO = ();
2741		3657
2742	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3667	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3668
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2753	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2754	}	3678	}
2755		3679
2756	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2757	}	3695	}
2758		3696
2759	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3700
2763	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3704
2767	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3706	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2770		3708
2771	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2772		3710
2773	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2774	require cf;	3712	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3714
2777	warn "loading config and database again";	3715	warn "loading config and database again";
2778	cf::cfg_load;	3716	cf::reload_config;
2779		3717
2780	warn "loading extensions";	3718	warn "loading extensions";
2781	cf::load_extensions;	3719	cf::load_extensions;
2782		3720
		3721	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2789		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
2790	warn "leaving sync_job";	3733	warn "leaving sync_job";
2791		3734
2792	1	3735	1
2793	} or do {	3736	} or do {
2794	warn $@;	3737	warn $@;
2795	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3739	};
2798		3740
2799	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
2800	};	3747	};
2801		3748
2802	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
2803		3750
2804	sub reload_perl() {	3751	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
2807		3754
2808	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	3757
2811	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	3759	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
2815	},	3761	};
2816	);	3762	};
2817	}	3763	}
2818		3764
2819	register_command "reload" => sub {	3765	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2821		3767
2822	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3772	reload_perl;
		3773	};
2825	}	3774	}
2826	};	3775	};
2827		3776
2828	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2829		3778
…		…
2831		3780
2832	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2834		3783
2835	sub wait_for_tick {	3784	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3786
2839	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3789	$signal->wait;
2842	}	3790	}
2843		3791
2844	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3794
2848	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3797	$signal->wait;
2851	}	3798	}
2852		3799
2853	$TICK_WATCHER = Event->timer (	3800	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2863	return;	3804	return;
2864	}	3805	}
2865		3806
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2869		3808
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3813	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3815	};
		3816	}
2880		3817
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3819	$sig->send;
2886	}	3820	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3822	$sig->send;
2889	}	3823	}
2890		3824
2891	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3827
2902	_post_tick;	3828	if (0) {
2903		3829	if ($NEXT_TICK) {
2904		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
2905	},	3834	}
2906	);	3835	}
2907		3836
2908	{	3837	{
2909	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3839
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2919		3841	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3843
2935	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3851
2938	cf::sync_job {	3852	cf::sync_job {
2939	eval {	3853	eval {
2940	BDB::db_env_open	3854	BDB::db_env_open
2941	$DB_ENV,	3855	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3859	0666;
2946		3860
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3862	};
2952		3863
2953	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3865	};
2955	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2956	}	3877	}
2957		3878
2958	{	3879	{
		3880	# configure IO::AIO
		3881
2959	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3885	}
2972		3886
2973	my $_log_backtrace;	3887	my $_log_backtrace;
2974		3888
2975	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
2979		3893
2980	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
2983	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
2984	my @bt = fork_call {	3901	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
2996	}	3913	}
2997		3914
2998	@funcs	3915	@funcs
2999	};	3916	};
3000		3917
3001	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	3921	--$_log_backtrace;
3004	};	3922	};
3005	} else {	3923	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3008	}	3926	}
3009	}	3927	}
3010		3928
3011	# load additional modules	3929	# load additional modules
3012	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3013		3931
3014	END { cf::emergency_save }	3932	END { cf::emergency_save }
3015		3933
3016	1	3934	1
3017		3935

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