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Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	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		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		136
99	binmode STDOUT;	137	binmode STDOUT;
100	binmode STDERR;	138	binmode STDERR;
101		139
102	# read virtual server time, if available	140	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
107	}	145	}
108		146
109	mkdir $_	147	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		193
156	The raw value load value from the last tick.	194	The raw value load value from the last tick.
157		195
158	=item %cf::CFG	196	=item %cf::CFG
159		197
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	199	from wherever your confdir points to.
162		200
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		202
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	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	204	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.	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
		212
169	=back	213	=back
170		214
171	=cut	215	=cut
172		216
173	BEGIN {	217	BEGIN {
…		…
177	$msg .= "\n"	221	$msg .= "\n"
178	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
179		223
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		225
182	utf8::encode $msg;
183	LOG llevError, $msg;	226	LOG llevError, $msg;
184	};	227	};
185	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
186		244
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	249	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		250	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	251	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		252
194	# we bless all objects into (empty) derived classes to force a method lookup	253	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	254	# within the Safe compartment.
196	for my $pkg (qw(	255	for my $pkg (qw(
197	cf::global cf::attachable	256	cf::global cf::attachable
198	cf::object cf::object::player	257	cf::object cf::object::player
199	cf::client cf::player	258	cf::client cf::player
200	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
201	cf::map cf::party cf::region	261	cf::party cf::region
202	)) {	262	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	264	}
206		265
207	$Event::DIED = sub {	266	$EV::DIED = sub {
208	warn "error in event callback: @_";	267	warn "error in event callback: @_";
209	};	268	};
		269
		270	#############################################################################
210		271
211	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
212		273
213	=over 4	274	=over 4
214		275
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	295	$d
235	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
236	}	297	}
237		298
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
241		300
242	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
243		302
244	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
245		304
246	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
		306
		307	=cut
		308
		309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		310
		311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
247		327
248	=item cf::lock_wait $string	328	=item cf::lock_wait $string
249		329
250	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
251		331
…		…
254	Wait until the given lock is available and then acquires it and returns	334	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,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
257	returned.	337	returned.
258		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
259	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
261		344
262	=item $locked = cf::lock_active $string	345	=item $locked = cf::lock_active $string
263		346
264	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
265		348
266	=cut	349	=cut
267		350
268	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
269		353
270	sub lock_wait($) {	354	sub lock_wait($) {
271	my ($key) = @_;	355	my ($key) = @_;
272		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
273	# wait for lock, if any	362	# wait for lock, if any
274	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
275	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	366	Coro::schedule;
277	}	367	}
278	}	368	}
279		369
…		…
282		372
283	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
284	lock_wait $key;	374	lock_wait $key;
285		375
286	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
287		378
288	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
291	}	383	}
292	}	384	}
293		385
…		…
296		388
297	! ! $LOCK{$key}	389	! ! $LOCK{$key}
298	}	390	}
299		391
300	sub freeze_mainloop {	392	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
302		394
303	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
305	};	456	}
306	$TICK_WATCHER->stop;	457	};
307	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
308	}	471	}
309		472
310	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
311		474
312	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		480
318	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
319		482
320	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
321		484
322	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
325		489
326	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
329	fast or be very important.	493	fast or be very important.
…		…
332		496
333	sub sync_job(&) {	497	sub sync_job(&) {
334	my ($job) = @_;	498	my ($job) = @_;
335		499
336	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	501	my $time = EV::time;
338		502
339	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
341		505
342	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	507
344	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
345		509
346	my $busy = 1;	510	my $busy = 1;
347	my @res;	511	my @res;
348		512
349	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	515	@res = eval { $job->() };
351	warn $@ if $@;	516	warn $@ if $@;
352	undef $busy;	517	undef $busy;
353	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
354		519
355	while ($busy) {	520	while ($busy) {
356	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
357	}	525	}
		526	}
358		527
359	$time = Event::time - $time;	528	my $time = EV::time - $time;
360		529
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	530	$TICK_START += $time; # do not account sync jobs to server load
365		531
366	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
367	} else {	533	} else {
368	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
369		535
…		…
389	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
390		556
391	$coro	557	$coro
392	}	558	}
393		559
394	sub write_runtime {	560	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		561
397	# first touch the runtime file to show we are still running:	562	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
399		566
400	IO::AIO::aio_utime $runtime, undef, undef;	567	=cut
401		568
402	my $guard = cf::lock_acquire "write_runtime";	569	sub fork_call(&@) {
		570	my ($cb, @args) = @_;
403		571
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	# we seemingly have to make a local copy of the whole thing,
405	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
406		575
407	my $value = $cf::RUNTIME + 90 + 10;	576	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	577	reset_signals;
409	# 60 allows for the watchdog to kill the server.	578	&$cb
		579	}, @args;
410		580
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	581	wantarray ? @res : $res[-1]
412	and return;	582	}
413		583
414	# always fsync - this file is important	584	=item $coin = coin_from_name $name
415	aio_fsync $fh
416	and return;
417		585
418	# touch it again to show we are up-to-date	586	=cut
419	aio_utime $fh, undef, undef;
420		587
421	close $fh	588	our %coin_alias = (
422	or return;	589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
423		604
424	aio_rename "$runtime~", $runtime	605	sub coin_from_name($) {
425	and return;	606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
426		610
427	warn "runtime file written.\n";#d#	611	=item $value = cf::db_get $family => $key
428		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
429	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
430	}	736	}
431		737
432	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
433		739
434	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
446		752
447	#############################################################################	753	#############################################################################
448		754
449	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
450		756
451	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
454		760
455	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	763	Deliantra).
458		764
459	=over 4	765	=over 4
460		766
461	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
462		768
…		…
506	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
507		813
508	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
510		816
511	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
513		819
514	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
515		821
516	=over 4	822	=over 4
…		…
664	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
665	}	971	}
666		972
667	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
668	} else {	974	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	976	}
671		977
672	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
673	}	979	}
674		980
…		…
714	";	1020	";
715	die if $@;	1021	die if $@;
716	}	1022	}
717		1023
718	our $override;	1024	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1026
721	sub override {	1027	sub override {
722	$override = 1;	1028	$override = 1;
723	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
724	}	1030	}
725		1031
726	sub do_invoke {	1032	sub do_invoke {
727	my $event = shift;	1033	my $event = shift;
728	my $callbacks = shift;	1034	my $callbacks = shift;
729		1035
730	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
731		1037
732	local $override;	1038	local $override;
733		1039
734	for (@$callbacks) {	1040	for (@$callbacks) {
735	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
744	}	1050	}
745		1051
746	0	1052	0
747	}	1053	}
748		1054
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1056
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1058
753	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
754		1060
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1064
759	=back	1065	=back
760		1066
761	=cut	1067	=cut
762		1068
763	#############################################################################	1069	#############################################################################
764	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
765		1113
766	sub reattach {	1114	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1116	my ($obj) = @_;
769		1117
		1118	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1120
772	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
773		1122
774	@$registry = ();	1123	@$registry = ();
775		1124
…		…
790	cf::attachable->attach (	1139	cf::attachable->attach (
791	prio => -1000000,	1140	prio => -1000000,
792	on_instantiate => sub {	1141	on_instantiate => sub {
793	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
794		1143
795	$data = from_json $data;	1144	$data = decode_json $data;
796		1145
797	for (@$data) {	1146	for (@$data) {
798	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
799		1148
800	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1165	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
818		1167
819	sync_job {	1168	sync_job {
820	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
823		1173
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1178	aio_close $fh;
829		1179
830	if (@$objs) {	1180	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1186	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
838	}	1188	}
839	} else {	1189	} else {
840	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
841	}	1191	}
842		1192
843	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1197	} else {
845	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
846	}	1199	}
847	} else {	1200	} else {
848	aio_unlink $filename;	1201	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
850	}	1203	}
851	}	1204	};
852	}	1205	}
853		1206
854	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
856		1209
…		…
868	or return;	1221	or return;
869		1222
870	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
872	or return;	1225	or return;
		1226
873	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
874	}	1229	}
875		1230
		1231	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
878	return ($data, $av);	1235	($data, $av)
879	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
880		1243
881	#############################################################################	1244	#############################################################################
882	# command handling &c	1245	# command handling &c
883		1246
884	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1261	}
899		1262
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1264
902	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
903		1270
904	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
905	called.	1272	called.
906		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
907	=cut	1285	=cut
908		1286
909	sub register_extcmd {	1287	sub register_extcmd {
910	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
911		1289
912	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
913	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
914		1300
915	cf::player->attach (	1301	cf::player->attach (
916	on_command => sub {	1302	on_command => sub {
917	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
918		1304
…		…
926	cf::override;	1312	cf::override;
927	},	1313	},
928	on_extcmd => sub {	1314	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
930		1316
931	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1318
933	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
939	} else {	1334	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1336	}
942		1337
943	cf::override;	1338	cf::override;
944	},	1339	},
945	);	1340	);
946		1341
		1342	# "readahead" all extensions
947	sub load_extension {	1343	sub cache_extensions {
948	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
949		1345
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
951	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1349	}
975	die $@;
976	}	1350	};
977		1351
978	push @EXTS, $pkg;	1352	$grp
979	}	1353	}
980		1354
981	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
982	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1360	next unless -r $path;
984	eval {	1361
985	load_extension $ext;	1362	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1363	my $base = $1;
		1364	my $pkg = $1;
		1365	$pkg =~ s/[^[:word:]]/_/g;
		1366	$pkg = "ext::$pkg";
		1367
		1368	open my $fh, "<:utf8", $path
		1369	or die "$path: $!";
		1370
		1371	my $source = do { local $/; <$fh> };
		1372
		1373	my %ext = (
		1374	path => $path,
		1375	base => $base,
		1376	pkg => $pkg,
		1377	);
		1378
		1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1381
		1382	$ext{source} =
		1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1384	. "#line 1 \"$path\"\n{\n"
		1385	. $source
		1386	. "\n};\n1";
		1387
		1388	$todo{$base} = \%ext;
		1389	}
		1390
		1391	my %done;
		1392	while (%todo) {
		1393	my $progress;
		1394
		1395	while (my ($k, $v) = each %todo) {
		1396	for (split /,\s*/, $v->{meta}{depends}) {
		1397	goto skip
		1398	unless exists $done{$_};
		1399	}
		1400
		1401	warn "... loading '$k' into '$v->{pkg}'\n";
		1402
		1403	unless (eval $v->{source}) {
		1404	my $msg = $@ ? "$v->{path}: $@\n"
		1405	: "$v->{base}: extension inactive.\n";
		1406
		1407	if (exists $v->{meta}{mandatory}) {
		1408	warn $msg;
		1409	cf::cleanup "mandatory extension failed to load, exiting.";
		1410	}
		1411
		1412	warn $msg;
		1413	}
		1414
		1415	$done{$k} = delete $todo{$k};
		1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
986	1	1418	}
987	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
988	}	1424	};
989	}	1425	}
990		1426
991	#############################################################################	1427	#############################################################################
992		1428
		1429	=back
		1430
993	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
994		1432
995	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
996		1434
997	=cut	1435	=cut
998		1436
999	package cf::player;	1437	package cf::player;
1000		1438
1001	use Coro::AIO;	1439	use Coro::AIO;
1002		1440
1003	=head3 cf::player	1441	=head3 cf::player
1004		1442
1005	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
1006		1458
1007	=item cf::player::find $login	1459	=item cf::player::find $login
1008		1460
1009	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1010		1462
…		…
1029		1481
1030	sub exists($) {	1482	sub exists($) {
1031	my ($login) = @_;	1483	my ($login) = @_;
1032		1484
1033	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1035	}	1487	}
1036		1488
1037	sub find($) {	1489	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1491	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1502
1051	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1054	}	1512	}
1055	}	1513	}
1056	}	1514	}
1057		1515
…		…
1066	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1067		1525
1068	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1070		1528
		1529	cf::get_slot 0.01;
		1530
1071	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1072	Coro::cede;	1532	cf::cede_to_tick;
1073	}	1533	}
1074		1534
1075	sub new($) {	1535	sub new($) {
1076	my ($login) = @_;	1536	my ($login) = @_;
1077		1537
…		…
1083	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1084		1544
1085	$self	1545	$self
1086	}	1546	}
1087		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1088	=item $pl->quit_character	1558	=item $pl->quit_character
1089		1559
1090	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1092		1562
…		…
1096	my ($pl) = @_;	1566	my ($pl) = @_;
1097		1567
1098	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1099		1569
1100	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1572
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1107		1579
1108	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1617	or return [];
1146		1618
1147	my @logins;	1619	my @logins;
1148		1620
1149	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1153		1631
1154	utf8::decode $login;	1632	utf8::decode $login;
1155	push @logins, $login;	1633	push @logins, $login;
1156	}	1634	}
1157		1635
…		…
1184	}	1662	}
1185		1663
1186	\@paths	1664	\@paths
1187	}	1665	}
1188		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1189	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1190		1672
1191	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1192		1674
1193	=cut	1675	=cut
1194		1676
1195	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1197		1679
1198	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1681	}
1202		1682
1203	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1204		1684
1205	Sends an ext event to the client.	1685	Sends an ext event to the client.
1206		1686
1207	=cut	1687	=cut
1208		1688
1209	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1211		1691
1212	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1213	}	1693	}
1214		1694
1215	=head3 cf::region	1695	=head3 cf::region
1216		1696
1217	=over 4	1697	=over 4
…		…
1220		1700
1221	package cf::region;	1701	package cf::region;
1222		1702
1223	=item cf::region::find_by_path $path	1703	=item cf::region::find_by_path $path
1224		1704
1225	Tries to decuce the probable region for a map knowing only its path.	1705	Tries to decuce the likely region for a map knowing only its path.
1226		1706
1227	=cut	1707	=cut
1228		1708
1229	sub find_by_path($) {	1709	sub find_by_path($) {
1230	my ($path) = @_;	1710	my ($path) = @_;
1231		1711
1232	my ($match, $specificity);	1712	my ($match, $specificity);
1233		1713
1234	for my $region (list) {	1714	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1715	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1716	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1717	if $region->specificity > $specificity;
1238	}	1718	}
1239	}	1719	}
1240		1720
…		…
1261	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1263		1743
1264	sub generate_random_map {	1744	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1266	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1750	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1305		1788
1306	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1307	local $self->{path};	1790	local $self->{path};
1308	local $self->{load_path};	1791	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1792
1312	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1313	}	1794	}
1314		1795
1315	sub normalise {	1796	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1363	return $self;	1844	return $self;
1364	}	1845	}
1365	}	1846	}
1366		1847
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1849	()
1369	}	1850	}
1370		1851
1371	sub init {	1852	sub init {
1372	my ($self) = @_;	1853	my ($self) = @_;
…		…
1394		1875
1395	# the temporary/swap location	1876	# the temporary/swap location
1396	sub save_path {	1877	sub save_path {
1397	my ($self) = @_;	1878	my ($self) = @_;
1398		1879
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1401	}	1882	}
1402		1883
1403	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1404	sub uniq_path {	1885	sub uniq_path {
1405	my ($self) = @_;	1886	my ($self) = @_;
1406		1887
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1409	}	1890	}
1410		1891
1411	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1412	# all maps in C++...	1893	# all maps in C++...
…		…
1415		1896
1416	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1418	}	1899	}
1419		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1420	sub unlink_save {	1909	sub unlink_save {
1421	my ($self) = @_;	1910	my ($self) = @_;
1422		1911
1423	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1916
1428	sub load_header_from($) {	1917	sub load_header_from($) {
1429	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1430		1919
1431	utf8::encode $path;	1920	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1437		1929
1438	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1439		1931
1440	1	1932	1
1441	}	1933	}
…		…
1480	$self->load_header_orig	1972	$self->load_header_orig
1481	or return;	1973	or return;
1482	$self->prepare_orig;	1974	$self->prepare_orig;
1483	}	1975	}
1484		1976
		1977	$self->{deny_reset} = 1
		1978	if $self->no_reset;
		1979
1485	$self->default_region (cf::region::find_by_path $self->{path})	1980	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1981	unless $self->default_region;
1487		1982
1488	1	1983	1
1489	}	1984	}
…		…
1492	sub find {	1987	sub find {
1493	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1494		1989
1495	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1496		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1498		1994
1499	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1501	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1502	or return;	2000	or return;
1503		2001
1504	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1505		2003
1506	$map->load_header	2004	$map->load_header
1507	or return;	2005	or return;
1508		2006
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1512	$map->reset;	2012	$map->reset;
1513	undef $guard;
1514	return find $path;	2013	return find $path;
1515	}	2014	}
1516		2015
1517	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1518	}	2017	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1528		2027
1529	my $path = $self->{path};	2028	my $path = $self->{path};
1530		2029
1531	{	2030	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1533		2032
		2033	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2035
1536	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1537		2037
1538	$self->alloc;	2038	$self->alloc;
1539		2039
1540	$self->pre_load;	2040	$self->pre_load;
1541	Coro::cede;	2041	cf::cede_to_tick;
1542		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1544	or return;	2046	or return;
1545		2047
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1547	if delete $self->{load_original};	2049	if delete $self->{load_original};
1548		2050
1549	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2052	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2055	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1554	}	2059	}
1555	}	2060	}
1556		2061
1557	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1558	# now do the right thing for maps	2065	# now do the right thing for maps
1559	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2068	unless $self->difficulty;
1562	Coro::cede;	2069	cf::cede_to_tick;
1563		2070
1564	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2072	$self->decay_objects;
1566	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1567	$self->update_buttons;	2074	$self->update_buttons;
1568	Coro::cede;	2075	cf::cede_to_tick;
1569	$self->set_darkness_map;	2076	$self->set_darkness_map;
1570	Coro::cede;	2077	cf::cede_to_tick;
1571	$self->activate;	2078	$self->activate;
1572	}	2079	}
1573		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2085	}
1576		2086
1577	$self->post_load;	2087	$self->post_load;
1578	}	2088	}
1579		2089
…		…
1581	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1582		2092
1583	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2094	if $self->per_player;
1585		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1586	$self	2099	$self
1587	}	2100	}
1588		2101
1589	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2103	sub load_neighbours {
1591	my ($map) = @_;	2104	my ($map) = @_;
1592		2105
1593	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1594		2107
1595	for (0 .. 3) {	2108	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1597	or next;	2110	or next;
1598	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1599	or next;	2112	or next;
1600	$neigh->load;	2113	$neigh->load;
1601		2114
		2115	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2118	}
1605		2119
1606	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1608	or next;	2123	or next;
1609	$neigh->load;	2124	$neigh->load;
1610	}	2125	}
1611	}	2126	}
1612		2127
…		…
1617	}	2132	}
1618		2133
1619	sub do_load_sync {	2134	sub do_load_sync {
1620	my ($map) = @_;	2135	my ($map) = @_;
1621		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1622	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1623	}	2141	}
1624		2142
1625	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1627		2145
1628	sub find_async {	2146	sub find_async {
1629	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1630		2148
1631	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1632		2150
1633	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2153	}
1636		2154
1637	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1638	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1639	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2162	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2163	$map->load if $v;
		2164	}
1644		2165
1645	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1646	}	2167	}
1647	}	2168	}
1648	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1649	};	2170	};
1650	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2174	}
1654		2175
1655	sub save {	2176	sub save {
1656	my ($self) = @_;	2177	my ($self) = @_;
1657		2178
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2180
1660	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1661		2182
1662	return unless $self->dirty;	2183	return unless $self->dirty;
1663		2184
…		…
1669	return if $self->{deny_save};	2190	return if $self->{deny_save};
1670		2191
1671	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1672		2193
1673	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1675	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1676		2200
1677	if ($uniq) {	2201	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2204	} else {
…		…
1686	my ($self) = @_;	2210	my ($self) = @_;
1687		2211
1688	# save first because save cedes	2212	# save first because save cedes
1689	$self->save;	2213	$self->save;
1690		2214
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2216
1693	return if $self->players;	2217	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2219	return if $self->{deny_save};
1696		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2225	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2226	}
1700		2227
1701	sub reset_at {	2228	sub reset_at {
1702	my ($self) = @_;	2229	my ($self) = @_;
1703		2230
1704	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1707		2233
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2236
…		…
1721	my ($self) = @_;	2247	my ($self) = @_;
1722		2248
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2250
1725	return if $self->players;	2251	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2252
1728	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
1729		2254
1730	$self->in_memory (cf::MAP_SWAPPED);	2255	$self->in_memory (cf::MAP_SWAPPED);
1731		2256
1732	# need to save uniques path	2257	# need to save uniques path
1733	unless ($self->{deny_save}) {	2258	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2262	if $uniq;
1738	}	2263	}
1739		2264
1740	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1741		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2269	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2270
1746	$self->unlink_save;	2271	$self->unlink_save;
1747	$self->destroy;	2272	$self->destroy;
1748	}	2273	}
1749		2274
1750	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1751		2276
1752	sub nuke {	2277	sub nuke {
1753	my ($self) = @_;	2278	my ($self) = @_;
1754		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1755	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1756		2284
1757	$self->unlink_save;	2285	$self->unlink_save;
1758		2286
1759	bless $self, "cf::map";	2287	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2292
1765	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1766		2295
1767	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
		2297	}
		2298
		2299	=item $maps = cf::map::tmp_maps
		2300
		2301	Returns an arrayref with all map paths of currently instantiated and saved
		2302	maps. May block.
		2303
		2304	=cut
		2305
		2306	sub tmp_maps() {
		2307	[
		2308	map {
		2309	utf8::decode $_;
		2310	/\.map$/
		2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $TMPDIR or [] }
		2314	]
		2315	}
		2316
		2317	=item $maps = cf::map::random_maps
		2318
		2319	Returns an arrayref with all map paths of currently instantiated and saved
		2320	random maps. May block.
		2321
		2322	=cut
		2323
		2324	sub random_maps() {
		2325	[
		2326	map {
		2327	utf8::decode $_;
		2328	/\.map$/
		2329	? normalise "?random/$_"
		2330	: ()
		2331	} @{ aio_readdir $RANDOMDIR or [] }
		2332	]
1768	}	2333	}
1769		2334
1770	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1771		2336
1772	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2338	instantiated unique items. May block.
1774		2339
1775	=cut	2340	=cut
1776		2341
1777	sub unique_maps() {	2342	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2343	[
1779	or return;	2344	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2345	utf8::decode $_;
1785	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2348	? ()
1788	push @paths, cf::map::normalise $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2351	]
1790
1791	\@paths
1792	}	2352	}
1793
1794	package cf;
1795		2353
1796	=back	2354	=back
1797		2355
1798	=head3 cf::object	2356	=head3 cf::object
1799		2357
…		…
1803		2361
1804	=over 4	2362	=over 4
1805		2363
1806	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1807		2365
1808	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1809		2368
1810	=cut	2369	=cut
1811		2370
1812	sub inv_recursive_;	2371	sub inv_recursive_;
1813	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1816		2375
1817	sub inv_recursive {	2376	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1819	}	2378	}
1820		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1821	package cf;	2408	package cf;
1822		2409
1823	=back	2410	=back
1824		2411
1825	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1834		2421
1835	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1836		2437
1837	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2439	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1842		2443
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2445
1845	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1847	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1850	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1851	}	2471	}
1852		2472
1853	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1854		2474
1855	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1868		2488
1869	=item $player_object->enter_link	2489	=item $player_object->enter_link
1870		2490
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2492
1873	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
1875		2497
1876	Will never block.	2498	Will never block.
1877		2499
1878	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1879		2501
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1937		2559
1938	$map->load;	2560	$map->load;
1939	$map->load_diag;	2561	$map->load_neighbours;
1940		2562
1941	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2565	$self->activate_recursive;
1943		2566
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1946	}	2569	}
1947		2570
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2572
1950	Moves the player to the given map-path and coordinates by first freezing	2573	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2576	the new (success) or old (failed) map position. In either case, $done will
		2577	be called at the end of this process.
		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
1954		2581
1955	=cut	2582	=cut
1956		2583
1957	our $GOTOGEN;	2584	our $GOTOGEN;
1958		2585
1959	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2588
1962	# do generation counting so two concurrent goto's will be executed in-order	2589	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2591
1965	$self->enter_link;	2592	$self->enter_link;
1966		2593
1967	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
1968	my $map = eval {	2616	my $map = eval {
1969	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
1970		2618
1971	if ($map) {	2619	if ($map) {
1972	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
1974	} else {	2622	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2624	}
1977		2625
1978	$map	2626	$map
1979	};	2627	};
1980		2628
…		…
1985		2633
1986	if ($gen == $self->{_goto_generation}) {	2634	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2635	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
1989	}	2637	}
		2638
		2639	$done->() if $done;
1990	})->prio (1);	2640	})->prio (1);
1991	}	2641	}
1992		2642
1993	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1994		2644
…		…
2014	}	2664	}
2015		2665
2016	sub prepare_random_map {	2666	sub prepare_random_map {
2017	my ($exit) = @_;	2667	my ($exit) = @_;
2018		2668
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2671	# that depends on the exit object
2024		2672
2025	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2675	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2032	}	2682	}
2033		2683
2034	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2035		2685
2036	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2039		2689
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2692	undef $fh;
2043	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2044		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2047	}	2701	}
2048	}	2702	}
2049		2703
2050	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2052		2706
2053	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2054		2708
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2709	$self->enter_link;
2067		2710
2068	(async {	2711	(async {
2069	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2070	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2071	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2072		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2073	1;	2735	1
2074	}) {	2736	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2741
2080	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2099		2761
2100	utf8::encode $text;	2762	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2764	}
2103		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
2104	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2105		2918
2106	Sends an exti event to the client.	2919	Sends an ext event to the client.
2107		2920
2108	=cut	2921	=cut
2109		2922
2110	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2112		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
2115	}	2950	}
2116		2951
2117	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2118		2953
2119	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2957
2123	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2959	become reliable at some point in the future.
2125		2960
2126	=cut	2961	=cut
2127		2962
2128	sub cf::client::query {	2963	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2972	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2974
2140	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
2142	}	2979	}
2143		2980
2144	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
2145	on_reply => sub {	2987	on_reply => sub {
2146	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
2147		2989
2148	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
2149	# get handled first	2991	# get handled first
…		…
2161	} else {	3003	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3005	}
2164	}	3006	}
2165	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
2166	);	3034	);
2167		3035
2168	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2169		3037
2170	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2213		3081
2214	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2215		3083
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2217		3089
2218	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2219		3091
2220	=pod	3092	=pod
2221		3093
2222	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2223		3095
2224	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2225	cf::object::player player	3100	cf::object::player
2226	cf::player peaceful	3101	player
2227	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2228		3108
2229	=cut	3109	=cut
2230		3110
2231	for (	3111	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2233	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2236	) {	3118	) {
2237	no strict 'refs';	3119	no strict 'refs';
…		…
2308	=back	3190	=back
2309		3191
2310	=cut	3192	=cut
2311		3193
2312	#############################################################################	3194	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3195	# the server's init and main functions
2486		3196
2487	sub load_facedata($) {	3197	sub load_facedata($) {
2488	my ($path) = @_;	3198	my ($path) = @_;
		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3205
2490	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2491		3207
2492	my $facedata;	3208	my $facedata;
2493	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2497		3213
2498	$facedata->{version} == 2	3214	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
2501	{	3224	{
2502	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2503		3226
2504	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509	Coro::cede;	3234
		3235	cf::cede_to_tick;
2510	}	3236	}
2511		3237
2512	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2514	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2515	or next;	3242	or next;
		3243
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3247	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3249	}
2521	Coro::cede;	3250
		3251	cf::cede_to_tick;
2522	}	3252	}
2523	}	3253	}
2524		3254
2525	{	3255	{
2526	my $anims = $facedata->{animinfo};	3256	my $anims = $facedata->{animinfo};
2527		3257
2528	while (my ($anim, $info) = each %$anims) {	3258	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3260	cf::cede_to_tick;
2531	}	3261	}
2532		3262
2533	cf::anim::invalidate_all; # d'oh	3263	cf::anim::invalidate_all; # d'oh
2534	}	3264	}
2535		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
2536	1	3301	1
2537	}	3302	}
2538		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
2539	sub reload_regions {	3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
2540	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
2542	}	3354	}
2543		3355
2544	sub reload_facedata {	3356	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3357	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3358	or die "unable to load facedata\n";
…		…
2557	}	3369	}
2558		3370
2559	sub reload_resources {	3371	sub reload_resources {
2560	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2561		3373
2562	reload_regions;
2563	reload_facedata;	3374	reload_facedata;
2564	reload_archetypes;	3375	reload_archetypes;
		3376	reload_regions;
2565	reload_treasures;	3377	reload_treasures;
2566		3378
2567	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2568	}	3380	}
2569		3381
2570	sub init {	3382	sub reload_config {
2571	reload_resources;
2572	}
2573
2574	sub cfg_load {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3384	or return;
2577		3385
2578	local $/;	3386	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2580		3388
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582		3390
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2590	};	3398	};
2591	warn $@ if $@;	3399	warn $@ if $@;
2592	}	3400	}
2593	}	3401	}
2594		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2595	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2596	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3441	(async {
2600	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2602	};	3445	};
2603		3446
2604	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2605	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2606	load_extensions;	3465	load_extensions;
2607		3466
2608	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2609	Event::loop;	3475	EV::loop;
2610	}	3476	}
2611		3477
2612	#############################################################################	3478	#############################################################################
2613	# initialisation and cleanup	3479	# initialisation and cleanup
2614		3480
2615	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2616	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2625	},
2626	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2627	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2628	}	3575	}
2629		3576
2630	sub emergency_save() {	3577	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2632		3579
2633	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2634		3581
2635	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2636	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3596	$pl->save;
2644	}	3597	}
2645	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2646		3599
2647	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3603	$map->valid or next;
2651	$map->save;	3604	$map->save;
2652	}	3605	}
2653	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2654		3607
2655	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2658	};	3615	};
2659		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2660	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2661	}	3623	}
2662		3624
2663	sub post_cleanup {	3625	sub post_cleanup {
2664	my ($make_core) = @_;	3626	my ($make_core) = @_;
2665		3627
2666	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
2668	}	3659	}
2669		3660
2670	sub do_reload_perl() {	3661	sub do_reload_perl() {
2671	# can/must only be called in main	3662	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2673	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2674	return;	3665	return;
2675	}	3666	}
2676		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2677	warn "reloading...";	3673	warn "reloading...";
2678		3674
2679	warn "entering sync_job";	3675	warn "entering sync_job";
2680		3676
2681	cf::sync_job {	3677	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
2683	cf::emergency_save;	3679	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
2685		3681
2686	warn "syncing database to disk";	3682	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2688		3684
2689	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2690		3686
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2702	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();
2710
2711	warn "removing commands";
2712	%COMMAND = ();
2713
2714	warn "removing ext commands";
2715	%EXTCMD = ();
2716
2717	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";
2720
2721	if (my $cb = $pkg->can ("unload")) {
2722	eval {
2723	$cb->($pkg);
2724	1
2725	} or warn "$pkg unloaded, but with errors: $@";
2726	}	3690	}
2727		3691
2728	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2729	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2730	}	3694	%EXT_CORO = ();
2731		3695
2732	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2733	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2736	warn "... unloading $k";	3705	warn "... unloading $pkg";
2737	delete $INC{$k};
2738		3706
2739	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;
2741
2742	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2743	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2744	}	3716	}
2745		3717
2746	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2747	}	3733	}
2748		3734
2749	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3738
2753	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
2756		3742
2757	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3744	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2760		3746
2761	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2762		3748
2763	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2764	require cf;	3750	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766		3752
2767	warn "loading config and database again";	3753	warn "loading config and database again";
2768	cf::cfg_load;	3754	cf::reload_config;
2769		3755
2770	warn "loading extensions";	3756	warn "loading extensions";
2771	cf::load_extensions;	3757	cf::load_extensions;
2772		3758
		3759	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
2779		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
2780	warn "leaving sync_job";	3771	warn "leaving sync_job";
2781		3772
2782	1	3773	1
2783	} or do {	3774	} or do {
2784	warn $@;	3775	warn $@;
2785	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
2786	exit 1;
2787	};	3777	};
2788		3778
2789	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
2790	};	3785	};
2791		3786
2792	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
2793		3788
2794	sub reload_perl() {	3789	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
2797		3792
2798	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	3795
2801	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	3797	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
2805	},	3799	};
2806	);	3800	};
2807	}	3801	}
2808		3802
2809	register_command "reload" => sub {	3803	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2811		3805
2812	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3810	reload_perl;
		3811	};
2815	}	3812	}
2816	};	3813	};
2817		3814
2818	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2819		3816
…		…
2821		3818
2822	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
2824		3821
2825	sub wait_for_tick {	3822	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2828		3824
2829	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	3827	$signal->wait;
2832	}	3828	}
2833		3829
2834	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
2837		3832
2838	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3835	$signal->wait;
2841	}	3836	}
2842		3837
2843	my $min = 1e6;#d#	3838	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2855	return;	3842	return;
2856	}	3843	}
2857		3844
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2861		3846
2862	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	3849	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
2866	or die;	3851	write_runtime_sync
2867		3852	or warn "ERROR: unable to write runtime file: $!";
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	3853	};
		3854	}
2884		3855
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	3857	$sig->send;
2901	}	3858	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	3860	$sig->send;
2904	}	3861	}
2905		3862
2906	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		3865
2917	_post_tick;	3866	if (0) {
2918		3867	if ($NEXT_TICK) {
2919		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
2920	},	3872	}
2921	);	3873	}
2922		3874
2923	{	3875	{
2924	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	3877
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
2934		3879	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		3881
2950	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		3889
2953	cf::sync_job {	3890	cf::sync_job {
2954	eval {	3891	eval {
2955	BDB::db_env_open	3892	BDB::db_env_open
2956	$DB_ENV,	3893	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	3897	0666;
2961		3898
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	3900	};
2967		3901
2968	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	3903	};
2970	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
2971	}	3915	}
2972		3916
2973	{	3917	{
		3918	# configure IO::AIO
		3919
2974	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	3923	}
2987		3924
2988	my $_log_backtrace;	3925	my $_log_backtrace;
2989		3926
2990	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
2994		3931
2995	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
2998	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
2999	my @bt = fork_call {	3939	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3011	}	3951	}
3012		3952
3013	@funcs	3953	@funcs
3014	};	3954	};
3015		3955
3016	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	3959	--$_log_backtrace;
3019	};	3960	};
3020	} else {	3961	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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