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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
		50	use Coro::Util ();
24		51
		52	use JSON::XS 2.01 ();
25	use BDB ();	53	use BDB ();
26	use Data::Dumper;	54	use Data::Dumper;
27	use Digest::MD5;	55	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	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		75
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		77
49	our %COMMAND = ();	78	our %COMMAND = ();
50	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
51		80
52	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
56		86
57	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	88	our @EVENT;
59		89
60	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	91	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
71		105
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	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	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	108	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	114	our $DB_ENV;
82		115
83	our %CFG;	116	our %CFG;
84		117
85	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
87		121
88	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
91		125
92	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		128
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		137
99	binmode STDOUT;	138	binmode STDOUT;
100	binmode STDERR;	139	binmode STDERR;
101		140
102	# read virtual server time, if available	141	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
107	}	146	}
108		147
109	mkdir $_	148	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		194
156	The raw value load value from the last tick.	195	The raw value load value from the last tick.
157		196
158	=item %cf::CFG	197	=item %cf::CFG
159		198
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	200	from wherever your confdir points to.
162		201
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		203
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	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	205	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.	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
		213
169	=back	214	=back
170		215
171	=cut	216	=cut
172		217
173	BEGIN {	218	BEGIN {
…		…
177	$msg .= "\n"	222	$msg .= "\n"
178	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
179		224
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		226
182	utf8::encode $msg;
183	LOG llevError, $msg;	227	LOG llevError, $msg;
184	};	228	};
185	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
186		245
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	250	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		251	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	252	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		253
194	# we bless all objects into (empty) derived classes to force a method lookup	254	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	255	# within the Safe compartment.
196	for my $pkg (qw(	256	for my $pkg (qw(
197	cf::global cf::attachable	257	cf::global cf::attachable
198	cf::object cf::object::player	258	cf::object cf::object::player
199	cf::client cf::player	259	cf::client cf::player
200	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
201	cf::map cf::party cf::region	262	cf::party cf::region
202	)) {	263	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	265	}
206		266
207	$Event::DIED = sub {	267	$EV::DIED = sub {
208	warn "error in event callback: @_";	268	warn "error in event callback: @_";
209	};	269	};
		270
		271	#############################################################################
210		272
211	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
212		274
213	=over 4	275	=over 4
214		276
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	296	$d
235	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
236	}	298	}
237		299
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
241		301
242	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
243		303
244	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
245		305
246	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
247		307
		308	=cut
		309
		310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		311
		312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
		328
248	=item cf::lock_wait $string	329	=item cf::lock_wait $string
249		330
250	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
251		332
252	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
253		334
254	Wait until the given lock is available and then acquires it and returns	335	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,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
257	returned.	338	returned.
258		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
259	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
261		345
262	=item $locked = cf::lock_active $string	346	=item $locked = cf::lock_active $string
263		347
264	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
265		349
266	=cut	350	=cut
267		351
268	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
269		354
270	sub lock_wait($) {	355	sub lock_wait($) {
271	my ($key) = @_;	356	my ($key) = @_;
272		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
273	# wait for lock, if any	363	# wait for lock, if any
274	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
275	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	367	Coro::schedule;
277	}	368	}
278	}	369	}
279		370
…		…
282		373
283	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
284	lock_wait $key;	375	lock_wait $key;
285		376
286	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
287		379
288	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
291	}	384	}
292	}	385	}
293		386
…		…
296		389
297	! ! $LOCK{$key}	390	! ! $LOCK{$key}
298	}	391	}
299		392
300	sub freeze_mainloop {	393	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
302		395
303	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
305	};	457	}
306	$TICK_WATCHER->stop;	458	};
307	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
308	}	472	}
309		473
310	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
311		475
312	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		481
318	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
319		483
320	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
321		485
322	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
325		490
326	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
329	fast or be very important.	494	fast or be very important.
…		…
332		497
333	sub sync_job(&) {	498	sub sync_job(&) {
334	my ($job) = @_;	499	my ($job) = @_;
335		500
336	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	502	my $time = EV::time;
338		503
339	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
341		506
342	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	508
344	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
345		510
346	my $busy = 1;	511	my $busy = 1;
347	my @res;	512	my @res;
348		513
349	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	516	@res = eval { $job->() };
351	warn $@ if $@;	517	warn $@ if $@;
352	undef $busy;	518	undef $busy;
353	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
354		520
355	while ($busy) {	521	while ($busy) {
356	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
357	}	526	}
		527	}
358		528
359	$time = Event::time - $time;	529	my $time = EV::time - $time;
360		530
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	531	$TICK_START += $time; # do not account sync jobs to server load
365		532
366	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
367	} else {	534	} else {
368	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
369		536
…		…
389	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
390		557
391	$coro	558	$coro
392	}	559	}
393		560
394	sub write_runtime {	561	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		562
397	# first touch the runtime file to show we are still running:	563	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
399		567
400	IO::AIO::aio_utime $runtime, undef, undef;	568	=cut
401		569
402	my $guard = cf::lock_acquire "write_runtime";	570	sub fork_call(&@) {
		571	my ($cb, @args) = @_;
403		572
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	573	# we seemingly have to make a local copy of the whole thing,
405	or return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
406		576
407	my $value = $cf::RUNTIME + 90 + 10;	577	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	578	reset_signals;
409	# 60 allows for the watchdog to kill the server.	579	&$cb
		580	}, @args;
410		581
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	wantarray ? @res : $res[-1]
412	and return;	583	}
413		584
414	# always fsync - this file is important	585	=item $coin = coin_from_name $name
415	aio_fsync $fh
416	and return;
417		586
418	# touch it again to show we are up-to-date	587	=cut
419	aio_utime $fh, undef, undef;
420		588
421	close $fh	589	our %coin_alias = (
422	or return;	590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
423		605
424	aio_rename "$runtime~", $runtime	606	sub coin_from_name($) {
425	and return;	607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
426		611
427	warn "runtime file written.\n";#d#	612	=item $value = cf::db_get $family => $key
428		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
429	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
430	}	737	}
431		738
432	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
433		740
434	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
446		753
447	#############################################################################	754	#############################################################################
448		755
449	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
450		757
451	Many objects in crossfire are so-called attachable objects. That means you can	758	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")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
454		761
455	In the following description, CLASS can be any of C<global>, C<object>	762	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	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	764	Deliantra).
458		765
459	=over 4	766	=over 4
460		767
461	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
462		769
…		…
506	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
507		814
508	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
510		817
511	Some classes such as crossfire maps and objects can specify attachments	818	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.	819	that are attached at load/instantiate time, thus the need for a name.
513		820
514	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
515		822
516	=over 4	823	=over 4
…		…
664	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
665	}	972	}
666		973
667	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
668	} else {	975	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	977	}
671		978
672	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
673	}	980	}
674		981
…		…
714	";	1021	";
715	die if $@;	1022	die if $@;
716	}	1023	}
717		1024
718	our $override;	1025	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1027
721	sub override {	1028	sub override {
722	$override = 1;	1029	$override = 1;
723	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
724	}	1031	}
725		1032
726	sub do_invoke {	1033	sub do_invoke {
727	my $event = shift;	1034	my $event = shift;
728	my $callbacks = shift;	1035	my $callbacks = shift;
729		1036
730	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
731		1038
732	local $override;	1039	local $override;
733		1040
734	for (@$callbacks) {	1041	for (@$callbacks) {
735	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
744	}	1051	}
745		1052
746	0	1053	0
747	}	1054	}
748		1055
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1057
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1059
753	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
754		1061
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	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	1063	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1065
759	=back	1066	=back
760		1067
761	=cut	1068	=cut
762		1069
763	#############################################################################	1070	#############################################################################
764	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
765		1114
766	sub reattach {	1115	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1117	my ($obj) = @_;
769		1118
		1119	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1121
772	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
773		1123
774	@$registry = ();	1124	@$registry = ();
775		1125
…		…
790	cf::attachable->attach (	1140	cf::attachable->attach (
791	prio => -1000000,	1141	prio => -1000000,
792	on_instantiate => sub {	1142	on_instantiate => sub {
793	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
794		1144
795	$data = from_json $data;	1145	$data = decode_json $data;
796		1146
797	for (@$data) {	1147	for (@$data) {
798	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
799		1149
800	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1166	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
818		1168
819	sync_job {	1169	sync_job {
820	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
823		1174
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1179	aio_close $fh;
829		1180
830	if (@$objs) {	1181	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1187	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
838	}	1189	}
839	} else {	1190	} else {
840	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
841	}	1192	}
842		1193
843	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1198	} else {
845	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
846	}	1200	}
847	} else {	1201	} else {
848	aio_unlink $filename;	1202	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
850	}	1204	}
851	}	1205	};
852	}	1206	}
853		1207
854	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
856		1210
…		…
868	or return;	1222	or return;
869		1223
870	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
872	or return;	1226	or return;
		1227
873	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
874	}	1230	}
875		1231
		1232	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
878	return ($data, $av);	1236	($data, $av)
879	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
880		1244
881	#############################################################################	1245	#############################################################################
882	# command handling &c	1246	# command handling &c
883		1247
884	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1262	}
899		1263
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1265
902	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
903		1271
904	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
905	called.	1273	called.
906		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
907	=cut	1286	=cut
908		1287
909	sub register_extcmd {	1288	sub register_extcmd {
910	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
911		1290
912	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
913	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
914		1301
915	cf::player->attach (	1302	cf::player->attach (
916	on_command => sub {	1303	on_command => sub {
917	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
918		1305
…		…
926	cf::override;	1313	cf::override;
927	},	1314	},
928	on_extcmd => sub {	1315	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
930		1317
931	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1319
933	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
939	} else {	1335	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1337	}
942		1338
943	cf::override;	1339	cf::override;
944	},	1340	},
945	);	1341	);
946		1342
		1343	# "readahead" all extensions
947	sub load_extension {	1344	sub cache_extensions {
948	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
949		1346
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
951	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1349	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	}	1350	}
975	die $@;
976	}	1351	};
977		1352
978	push @EXTS, $pkg;	1353	$grp
979	}	1354	}
980		1355
981	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
982	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1361	next unless -r $path;
984	eval {	1362
985	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
986	1	1419	}
987	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
988	}	1425	};
989	}	1426	}
990		1427
991	#############################################################################	1428	#############################################################################
992		1429
		1430	=back
		1431
993	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
994		1433
995	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
996		1435
997	=cut	1436	=cut
998		1437
999	package cf::player;	1438	package cf::player;
1000		1439
1001	use Coro::AIO;	1440	use Coro::AIO;
1002		1441
1003	=head3 cf::player	1442	=head3 cf::player
1004		1443
1005	=over 4	1444	=over 4
		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
1006		1459
1007	=item cf::player::find $login	1460	=item cf::player::find $login
1008		1461
1009	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1010		1463
…		…
1029		1482
1030	sub exists($) {	1483	sub exists($) {
1031	my ($login) = @_;	1484	my ($login) = @_;
1032		1485
1033	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1035	}	1488	}
1036		1489
1037	sub find($) {	1490	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1492	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1503
1051	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1054	}	1513	}
1055	}	1514	}
1056	}	1515	}
1057		1516
…		…
1066	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1067		1526
1068	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1070		1529
		1530	cf::get_slot 0.01;
		1531
1071	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1072	Coro::cede;	1533	cf::cede_to_tick;
1073	}	1534	}
1074		1535
1075	sub new($) {	1536	sub new($) {
1076	my ($login) = @_;	1537	my ($login) = @_;
1077		1538
…		…
1083	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1084		1545
1085	$self	1546	$self
1086	}	1547	}
1087		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1088	=item $pl->quit_character	1559	=item $pl->quit_character
1089		1560
1090	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1092		1563
…		…
1096	my ($pl) = @_;	1567	my ($pl) = @_;
1097		1568
1098	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1099		1570
1100	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1573
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1107		1580
1108	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1618	or return [];
1146		1619
1147	my @logins;	1620	my @logins;
1148		1621
1149	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1153		1632
1154	utf8::decode $login;	1633	utf8::decode $login;
1155	push @logins, $login;	1634	push @logins, $login;
1156	}	1635	}
1157		1636
…		…
1184	}	1663	}
1185		1664
1186	\@paths	1665	\@paths
1187	}	1666	}
1188		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1189	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1190		1673
1191	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1192		1675
1193	=cut	1676	=cut
1194		1677
1195	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1197		1680
1198	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1682	}
1202		1683
1203	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1204		1685
1205	Sends an ext event to the client.	1686	Sends an ext event to the client.
1206		1687
1207	=cut	1688	=cut
1208		1689
1209	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1211		1692
1212	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1213	}	1694	}
1214		1695
1215	=head3 cf::region	1696	=head3 cf::region
1216		1697
1217	=over 4	1698	=over 4
…		…
1220		1701
1221	package cf::region;	1702	package cf::region;
1222		1703
1223	=item cf::region::find_by_path $path	1704	=item cf::region::find_by_path $path
1224		1705
1225	Tries to decuce the probable region for a map knowing only its path.	1706	Tries to decuce the likely region for a map knowing only its path.
1226		1707
1227	=cut	1708	=cut
1228		1709
1229	sub find_by_path($) {	1710	sub find_by_path($) {
1230	my ($path) = @_;	1711	my ($path) = @_;
1231		1712
1232	my ($match, $specificity);	1713	my ($match, $specificity);
1233		1714
1234	for my $region (list) {	1715	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1716	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1717	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1718	if $region->specificity > $specificity;
1238	}	1719	}
1239	}	1720	}
1240		1721
…		…
1261	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1263		1744
1264	sub generate_random_map {	1745	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1266	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1751	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1788	my ($self, $merge) = @_;
1305		1789
1306	# we have to keep some variables in memory intact	1790	# we have to keep some variables in memory intact
1307	local $self->{path};	1791	local $self->{path};
1308	local $self->{load_path};	1792	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1793
1312	$self->SUPER::thawer_merge ($merge);	1794	$self->SUPER::thawer_merge ($merge);
1313	}	1795	}
1314		1796
1315	sub normalise {	1797	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1363	return $self;	1845	return $self;
1364	}	1846	}
1365	}	1847	}
1366		1848
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1850	()
1369	}	1851	}
1370		1852
1371	sub init {	1853	sub init {
1372	my ($self) = @_;	1854	my ($self) = @_;
…		…
1394		1876
1395	# the temporary/swap location	1877	# the temporary/swap location
1396	sub save_path {	1878	sub save_path {
1397	my ($self) = @_;	1879	my ($self) = @_;
1398		1880
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1401	}	1883	}
1402		1884
1403	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1404	sub uniq_path {	1886	sub uniq_path {
1405	my ($self) = @_;	1887	my ($self) = @_;
1406		1888
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1409	}	1891	}
1410		1892
1411	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1412	# all maps in C++...	1894	# all maps in C++...
…		…
1415		1897
1416	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1418	}	1900	}
1419		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
1420	sub unlink_save {	1910	sub unlink_save {
1421	my ($self) = @_;	1911	my ($self) = @_;
1422		1912
1423	utf8::encode (my $save = $self->save_path);	1913	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1917
1428	sub load_header_from($) {	1918	sub load_header_from($) {
1429	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1430		1920
1431	utf8::encode $path;	1921	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1437		1930
1438	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1439		1932
1440	1	1933	1
1441	}	1934	}
…		…
1480	$self->load_header_orig	1973	$self->load_header_orig
1481	or return;	1974	or return;
1482	$self->prepare_orig;	1975	$self->prepare_orig;
1483	}	1976	}
1484		1977
		1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
		1980
1485	$self->default_region (cf::region::find_by_path $self->{path})	1981	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1982	unless $self->default_region;
1487		1983
1488	1	1984	1
1489	}	1985	}
…		…
1492	sub find {	1988	sub find {
1493	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1494		1990
1495	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1496		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1498		1995
1499	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1501	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1502	or return;	2001	or return;
1503		2002
1504	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1505		2004
1506	$map->load_header	2005	$map->load_header
1507	or return;	2006	or return;
1508		2007
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1512	$map->reset;	2013	$map->reset;
1513	undef $guard;
1514	return find $path;	2014	return find $path;
1515	}	2015	}
1516		2016
1517	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1518	}	2018	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1528		2028
1529	my $path = $self->{path};	2029	my $path = $self->{path};
1530		2030
1531	{	2031	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1533		2033
		2034	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2036
1536	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1537		2038
1538	$self->alloc;	2039	$self->alloc;
1539		2040
1540	$self->pre_load;	2041	$self->pre_load;
1541	Coro::cede;	2042	cf::cede_to_tick;
1542		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1544	or return;	2047	or return;
1545		2048
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1547	if delete $self->{load_original};	2050	if delete $self->{load_original};
1548		2051
1549	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2053	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2056	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1554	}	2060	}
1555	}	2061	}
1556		2062
1557	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1558	# now do the right thing for maps	2066	# now do the right thing for maps
1559	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2069	unless $self->difficulty;
1562	Coro::cede;	2070	cf::cede_to_tick;
1563		2071
1564	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2073	$self->decay_objects;
1566	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1567	$self->update_buttons;	2075	$self->update_buttons;
1568	Coro::cede;	2076	cf::cede_to_tick;
1569	$self->set_darkness_map;	2077	$self->set_darkness_map;
1570	Coro::cede;	2078	cf::cede_to_tick;
1571	$self->activate;	2079	$self->activate;
1572	}	2080	}
1573		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2086	}
1576		2087
1577	$self->post_load;	2088	$self->post_load;
1578	}	2089	}
1579		2090
…		…
1581	my ($self, $ob) = @_;	2092	my ($self, $ob) = @_;
1582		2093
1583	return find "~" . $ob->name . "/" . $self->{path}	2094	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2095	if $self->per_player;
1585		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
1586	$self	2100	$self
1587	}	2101	}
1588		2102
1589	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2104	sub load_neighbours {
1591	my ($map) = @_;	2105	my ($map) = @_;
1592		2106
1593	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1594		2108
1595	for (0 .. 3) {	2109	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1597	or next;	2111	or next;
1598	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1599	or next;	2113	or next;
1600	$neigh->load;	2114	$neigh->load;
1601		2115
		2116	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2119	}
1605		2120
1606	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1608	or next;	2124	or next;
1609	$neigh->load;	2125	$neigh->load;
1610	}	2126	}
1611	}	2127	}
1612		2128
…		…
1617	}	2133	}
1618		2134
1619	sub do_load_sync {	2135	sub do_load_sync {
1620	my ($map) = @_;	2136	my ($map) = @_;
1621		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1622	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1623	}	2142	}
1624		2143
1625	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1627		2146
1628	sub find_async {	2147	sub find_async {
1629	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1630		2149
1631	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1632		2151
1633	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2154	}
1636		2155
1637	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1638	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1639	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2163	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2164	$map->load if $v;
		2165	}
1644		2166
1645	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1646	}	2168	}
1647	}	2169	}
1648	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1649	};	2171	};
1650	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2175	}
1654		2176
1655	sub save {	2177	sub save {
1656	my ($self) = @_;	2178	my ($self) = @_;
1657		2179
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2181
1660	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1661		2183
1662	return unless $self->dirty;	2184	return unless $self->dirty;
1663		2185
…		…
1669	return if $self->{deny_save};	2191	return if $self->{deny_save};
1670		2192
1671	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1672		2194
1673	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1675	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1676		2201
1677	if ($uniq) {	2202	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2205	} else {
…		…
1686	my ($self) = @_;	2211	my ($self) = @_;
1687		2212
1688	# save first because save cedes	2213	# save first because save cedes
1689	$self->save;	2214	$self->save;
1690		2215
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2217
1693	return if $self->players;	2218	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2220	return if $self->{deny_save};
1696		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2226	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2227	}
1700		2228
1701	sub reset_at {	2229	sub reset_at {
1702	my ($self) = @_;	2230	my ($self) = @_;
1703		2231
1704	# TODO: safety, remove and allow resettable per-player maps	2232	# 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};	2233	return 1e99 if $self->{deny_reset};
1707		2234
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2237
…		…
1721	my ($self) = @_;	2248	my ($self) = @_;
1722		2249
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2251
1725	return if $self->players;	2252	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2253
1728	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
1729		2255
1730	$self->in_memory (cf::MAP_SWAPPED);	2256	$self->in_memory (cf::MAP_SWAPPED);
1731		2257
1732	# need to save uniques path	2258	# need to save uniques path
1733	unless ($self->{deny_save}) {	2259	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2263	if $uniq;
1738	}	2264	}
1739		2265
1740	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1741		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2270	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2271
1746	$self->unlink_save;	2272	$self->unlink_save;
1747	$self->destroy;	2273	$self->destroy;
1748	}	2274	}
1749		2275
1750	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1751		2277
1752	sub nuke {	2278	sub nuke {
1753	my ($self) = @_;	2279	my ($self) = @_;
1754		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1755	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1756		2285
1757	$self->unlink_save;	2286	$self->unlink_save;
1758		2287
1759	bless $self, "cf::map";	2288	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2293
1765	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1766		2296
1767	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
		2298	}
		2299
		2300	=item $maps = cf::map::tmp_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
		2316	}
		2317
		2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
1768	}	2334	}
1769		2335
1770	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1771		2337
1772	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2339	instantiated unique items. May block.
1774		2340
1775	=cut	2341	=cut
1776		2342
1777	sub unique_maps() {	2343	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2344	[
1779	or return;	2345	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2346	utf8::decode $_;
1785	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2349	? ()
1788	push @paths, cf::map::normalise $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2352	]
1790
1791	\@paths
1792	}	2353	}
1793
1794	package cf;
1795		2354
1796	=back	2355	=back
1797		2356
1798	=head3 cf::object	2357	=head3 cf::object
1799		2358
…		…
1803		2362
1804	=over 4	2363	=over 4
1805		2364
1806	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1807		2366
1808	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1809		2369
1810	=cut	2370	=cut
1811		2371
1812	sub inv_recursive_;	2372	sub inv_recursive_;
1813	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1816		2376
1817	sub inv_recursive {	2377	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1819	}	2379	}
1820		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1821	package cf;	2409	package cf;
1822		2410
1823	=back	2411	=back
1824		2412
1825	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	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	2420	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1834		2422
1835	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1836		2438
1837	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2440	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1842		2444
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2446
1845	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1847	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1850	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1851	}	2472	}
1852		2473
1853	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1854		2475
1855	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1868		2489
1869	=item $player_object->enter_link	2490	=item $player_object->enter_link
1870		2491
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2493
1873	The player should be reasonably safe there for short amounts of time. You	2494	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.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
1875		2498
1876	Will never block.	2499	Will never block.
1877		2500
1878	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1879		2502
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1937		2560
1938	$map->load;	2561	$map->load;
1939	$map->load_diag;	2562	$map->load_neighbours;
1940		2563
1941	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2566	$self->activate_recursive;
1943		2567
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1946	}	2570	}
1947		2571
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2573
1950	Moves the player to the given map-path and coordinates by first freezing	2574	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	2575	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	2576	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2577	the new (success) or old (failed) map position. In either case, $done will
		2578	be called at the end of this process.
		2579
		2580	Note that $check will be called with a potentially non-loaded map, so if
		2581	it needs a loaded map it has to call C<< ->load >>.
1954		2582
1955	=cut	2583	=cut
1956		2584
1957	our $GOTOGEN;	2585	our $GOTOGEN;
1958		2586
1959	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2589
1962	# do generation counting so two concurrent goto's will be executed in-order	2590	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2592
1965	$self->enter_link;	2593	$self->enter_link;
1966		2594
1967	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
1968	my $map = eval {	2617	my $map = eval {
1969	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
1970		2619
1971	if ($map) {	2620	if ($map) {
1972	$map = $map->customise_for ($self);	2621	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2622	$map = $check->($map) if $check && $map;
1974	} else {	2623	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2625	}
1977		2626
1978	$map	2627	$map
1979	};	2628	};
1980		2629
…		…
1985		2634
1986	if ($gen == $self->{_goto_generation}) {	2635	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2636	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
1989	}	2638	}
		2639
		2640	$done->() if $done;
1990	})->prio (1);	2641	})->prio (1);
1991	}	2642	}
1992		2643
1993	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1994		2645
…		…
2014	}	2665	}
2015		2666
2016	sub prepare_random_map {	2667	sub prepare_random_map {
2017	my ($exit) = @_;	2668	my ($exit) = @_;
2018		2669
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2672	# that depends on the exit object
2024		2673
2025	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2676	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2032	}	2683	}
2033		2684
2034	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2035		2686
2036	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2039		2690
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2693	undef $fh;
2043	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2044		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2047	}	2702	}
2048	}	2703	}
2049		2704
2050	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2052		2707
2053	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2054		2709
2055	if ($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;	2710	$self->enter_link;
2067		2711
2068	(async {	2712	(async {
2069	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2070	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2071	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2072		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2073	1;	2736	1
2074	}) {	2737	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2742
2080	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2099		2762
2100	utf8::encode $text;	2763	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2765	}
2103		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
2104	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2105		2919
2106	Sends an exti event to the client.	2920	Sends an ext event to the client.
2107		2921
2108	=cut	2922	=cut
2109		2923
2110	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2112		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2115	}	2951	}
2116		2952
2117	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2118		2954
2119	Queues a query to the client, calling the given callback with	2955	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>,	2956	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>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2958
2123	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2960	become reliable at some point in the future.
2125		2961
2126	=cut	2962	=cut
2127		2963
2128	sub cf::client::query {	2964	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2973	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2975
2140	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2142	}	2980	}
2143		2981
2144	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2145	on_reply => sub {	2988	on_reply => sub {
2146	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2147		2990
2148	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2149	# get handled first	2992	# get handled first
…		…
2161	} else {	3004	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3006	}
2164	}	3007	}
2165	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
2166	);	3035	);
2167		3036
2168	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2169		3038
2170	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2213		3082
2214	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2215		3084
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2217		3090
2218	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2219		3092
2220	=pod	3093	=pod
2221		3094
2222	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2223		3096
2224	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100
2225	cf::object::player player	3101	cf::object::player
2226	cf::player peaceful	3102	player
2227	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2228		3109
2229	=cut	3110	=cut
2230		3111
2231	for (	3112	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2233	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2236	) {	3119	) {
2237	no strict 'refs';	3120	no strict 'refs';
…		…
2308	=back	3191	=back
2309		3192
2310	=cut	3193	=cut
2311		3194
2312	#############################################################################	3195	#############################################################################
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 $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3196	# the server's init and main functions
2486		3197
2487	sub load_facedata($) {	3198	sub load_facedata($) {
2488	my ($path) = @_;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3206
2490	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2491		3208
2492	my $facedata;	3209	my $facedata;
2493	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2497		3214
2498	$facedata->{version} == 2	3215	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2501	{	3225	{
2502	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2503		3227
2504	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509	Coro::cede;	3235
		3236	cf::cede_to_tick;
2510	}	3237	}
2511		3238
2512	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2514	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2515	or next;	3243	or next;
		3244
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3248	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3250	}
2521	Coro::cede;	3251
		3252	cf::cede_to_tick;
2522	}	3253	}
2523	}	3254	}
2524		3255
2525	{	3256	{
2526	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2527		3258
2528	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3261	cf::cede_to_tick;
2531	}	3262	}
2532		3263
2533	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2534	}	3265	}
2535		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2536	1	3302	1
2537	}	3303	}
2538		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2539	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2540	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
2542	}	3355	}
2543		3356
2544	sub reload_facedata {	3357	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
…		…
2557	}	3370	}
2558		3371
2559	sub reload_resources {	3372	sub reload_resources {
2560	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2561		3374
2562	reload_regions;
2563	reload_facedata;	3375	reload_facedata;
2564	reload_archetypes;	3376	reload_archetypes;
		3377	reload_regions;
2565	reload_treasures;	3378	reload_treasures;
2566		3379
2567	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2568	}	3381	}
2569		3382
2570	sub init {	3383	sub reload_config {
2571	reload_resources;
2572	}
2573
2574	sub cfg_load {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3385	or return;
2577		3386
2578	local $/;	3387	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2580		3389
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582		3391
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$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};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2590	};	3399	};
2591	warn $@ if $@;	3400	warn $@ if $@;
2592	}	3401	}
2593	}	3402	}
2594		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2595	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2596	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3442	(async {
2600	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2602	};	3446	};
2603		3447
2604	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2605	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2606	load_extensions;	3466	load_extensions;
2607		3467
2608	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2609	Event::loop;	3476	EV::loop;
2610	}	3477	}
2611		3478
2612	#############################################################################	3479	#############################################################################
2613	# initialisation and cleanup	3480	# initialisation and cleanup
2614		3481
2615	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2616	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3486	$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";	3487	cf::cleanup "SIG$signal";
2625	},
2626	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2627	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2628	}	3576	}
2629		3577
2630	sub emergency_save() {	3578	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2632		3580
2633	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2634		3582
2635	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2636	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3597	$pl->save;
2644	}	3598	}
2645	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2646		3600
2647	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3604	$map->valid or next;
2651	$map->save;	3605	$map->save;
2652	}	3606	}
2653	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2654		3608
2655	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2658	};	3616	};
2659		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2660	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2661	}	3624	}
2662		3625
2663	sub post_cleanup {	3626	sub post_cleanup {
2664	my ($make_core) = @_;	3627	my ($make_core) = @_;
2665		3628
2666	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
2668	}	3660	}
2669		3661
2670	sub do_reload_perl() {	3662	sub do_reload_perl() {
2671	# can/must only be called in main	3663	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2673	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2674	return;	3666	return;
2675	}	3667	}
2676		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2677	warn "reloading...";	3674	warn "reloading...";
2678		3675
2679	warn "entering sync_job";	3676	warn "entering sync_job";
2680		3677
2681	cf::sync_job {	3678	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2683	cf::emergency_save;	3680	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2685		3682
2686	warn "syncing database to disk";	3683	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2688		3685
2689	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2690		3687
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";	3688	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;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2702	warn "iterate...";	3690	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	}	3691	}
2727		3692
2728	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2729	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2730	}	3695	%EXT_CORO = ();
2731		3696
2732	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2733	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2736	warn "... unloading $k";	3706	warn "... unloading $pkg";
2737	delete $INC{$k};
2738		3707
2739	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;
2741
2742	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2743	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2744	}	3717	}
2745		3718
2746	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
2747	}	3734	}
2748		3735
2749	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3739
2753	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
2756		3743
2757	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3745	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2760		3747
2761	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2762		3749
2763	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2764	require cf;	3751	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766		3753
2767	warn "loading config and database again";	3754	warn "loading config and database again";
2768	cf::cfg_load;	3755	cf::reload_config;
2769		3756
2770	warn "loading extensions";	3757	warn "loading extensions";
2771	cf::load_extensions;	3758	cf::load_extensions;
2772		3759
		3760	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
2779		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
2780	warn "leaving sync_job";	3772	warn "leaving sync_job";
2781		3773
2782	1	3774	1
2783	} or do {	3775	} or do {
2784	warn $@;	3776	warn $@;
2785	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
2786	exit 1;
2787	};	3778	};
2788		3779
2789	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
2790	};	3786	};
2791		3787
2792	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
2793		3789
2794	sub reload_perl() {	3790	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
2797		3793
2798	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	3796
2801	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	3798	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
2805	},	3800	};
2806	);	3801	};
2807	}	3802	}
2808		3803
2809	register_command "reload" => sub {	3804	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2811		3806
2812	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3811	reload_perl;
		3812	};
2815	}	3813	}
2816	};	3814	};
2817		3815
2818	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2819		3817
…		…
2821		3819
2822	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
2824		3822
2825	sub wait_for_tick {	3823	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2828		3825
2829	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	3828	$signal->wait;
2832	}	3829	}
2833		3830
2834	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
2837		3833
2838	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3836	$signal->wait;
2841	}	3837	}
2842		3838
2843	my $min = 1e6;#d#	3839	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) {	3840	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2855	return;	3843	return;
2856	}	3844	}
2857		3845
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2861		3847
2862	0 && sync_job {#d#	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	3850	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3851	$Coro::current->{desc} = "runtime saver";
2866	or die;	3852	write_runtime_sync
2867		3853	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	};	3854	};
		3855	}
2884		3856
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) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	3858	$sig->send;
2901	}	3859	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	3861	$sig->send;
2904	}	3862	}
2905		3863
2906	$NOW = Event::time;	3864	$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;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		3866
2917	_post_tick;	3867	if (0) {
2918		3868	if ($NEXT_TICK) {
2919		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
2920	},	3873	}
2921	);	3874	}
2922		3875
2923	{	3876	{
2924	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	3878
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;	3879	BDB::min_parallel 8;
2934		3880	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	3881	$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		3882
2950	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		3890
2953	cf::sync_job {	3891	cf::sync_job {
2954	eval {	3892	eval {
2955	BDB::db_env_open	3893	BDB::db_env_open
2956	$DB_ENV,	3894	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	3898	0666;
2961		3899
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	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	};	3901	};
2967		3902
2968	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	3904	};
2970	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
2971	}	3916	}
2972		3917
2973	{	3918	{
		3919	# configure IO::AIO
		3920
2974	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	3923	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	}	3924	}
2987		3925
2988	my $_log_backtrace;	3926	my $_log_backtrace;
2989		3927
2990	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
2994		3932
2995	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
2998	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
2999	my @bt = fork_call {	3940	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
3011	}	3952	}
3012		3953
3013	@funcs	3954	@funcs
3014	};	3955	};
3015		3956
3016	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	3960	--$_log_backtrace;
3019	};	3961	};
3020	} else {	3962	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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