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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		140
99	binmode STDOUT;	141	binmode STDOUT;
100	binmode STDERR;	142	binmode STDERR;
101		143
102	# read virtual server time, if available	144	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
107	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
108		152
109	mkdir $_	153	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		155
112	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
155		199
156	The raw value load value from the last tick.	200	The raw value load value from the last tick.
157		201
158	=item %cf::CFG	202	=item %cf::CFG
159		203
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	205	from wherever your confdir points to.
162		206
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		208
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	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	210	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.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
		218
169	=back	219	=back
170		220
171	=cut	221	=cut
172		222
173	BEGIN {	223	BEGIN {
…		…
177	$msg .= "\n"	227	$msg .= "\n"
178	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
179		229
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		231
182	utf8::encode $msg;
183	LOG llevError, $msg;	232	LOG llevError, $msg;
184	};	233	};
185	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
186		250
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	261	for my $pkg (qw(
198	cf::global cf::attachable	262	cf::global cf::attachable
199	cf::object cf::object::player	263	cf::object cf::object::player
200	cf::client cf::player	264	cf::client cf::player
201	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
202	cf::map cf::party cf::region	267	cf::party cf::region
203	)) {	268	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	270	}
207		271
208	$Event::DIED = sub {	272	$EV::DIED = sub {
209	warn "error in event callback: @_";	273	warn "error in event callback: @_";
210	};	274	};
		275
		276	#############################################################################
211		277
212	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
213		279
214	=over 4	280	=over 4
215		281
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	301	$d
236	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
237	}	303	}
238		304
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
242		306
243	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
244		308
245	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
246		310
247	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
248		312
		313	=cut
		314
		315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		316
		317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
249	=item cf::lock_wait $string	334	=item cf::lock_wait $string
250		335
251	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
252		337
253	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
254		339
255	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
258	returned.	343	returned.
259		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
260	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
262		350
263	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
264		352
265	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
266		354
267	=cut	355	=cut
268		356
269	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
270		358
271	sub lock_wait($) {	359	sub lock_wait($) {
272	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	361	}
280		362
281	sub lock_acquire($) {	363	sub lock_acquire($) {
282	my ($key) = @_;	364	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	365	}
294		366
295	sub lock_active($) {	367	sub lock_active($) {
296	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	369	}
300		370
301	sub freeze_mainloop {	371	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
303		373
304	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
306	};	435	}
307	$TICK_WATCHER->stop;	436	};
308	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
309	}	450	}
310		451
311	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
312		453
313	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		459
319	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
320		461
321	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
322		463
323	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
326		468
327	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
330	fast or be very important.	472	fast or be very important.
…		…
333		475
334	sub sync_job(&) {	476	sub sync_job(&) {
335	my ($job) = @_;	477	my ($job) = @_;
336		478
337	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	480	my $time = EV::time;
339		481
340	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
342		484
343	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	486
345	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
346		488
347	my $busy = 1;	489	my $busy = 1;
348	my @res;	490	my @res;
349		491
350	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	494	@res = eval { $job->() };
352	warn $@ if $@;	495	warn $@ if $@;
353	undef $busy;	496	undef $busy;
354	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
355		498
356	while ($busy) {	499	while ($busy) {
357	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
358	}	504	}
		505	}
359		506
360	$time = Event::time - $time;	507	my $time = EV::time - $time;
361		508
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
366		510
367	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
368	} else {	512	} else {
369	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
370		514
…		…
390	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
391		535
392	$coro	536	$coro
393	}	537	}
394		538
395	sub write_runtime {	539	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		540
398	# first touch the runtime file to show we are still running:	541	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
400		545
401	IO::AIO::aio_utime $runtime, undef, undef;	546	=cut
402		547
403	my $guard = cf::lock_acquire "write_runtime";	548	sub fork_call(&@) {
		549	my ($cb, @args) = @_;
404		550
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	551	# we seemingly have to make a local copy of the whole thing,
406	or return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
407		554
408	my $value = $cf::RUNTIME + 90 + 10;	555	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	556	reset_signals;
410	# 60 allows for the watchdog to kill the server.	557	&$cb
		558	}, @args;
411		559
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	560	wantarray ? @res : $res[-1]
413	and return;	561	}
414		562
415	# always fsync - this file is important	563	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		564
419	# touch it again to show we are up-to-date	565	=cut
420	aio_utime $fh, undef, undef;
421		566
422	close $fh	567	our %coin_alias = (
423	or return;	568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
424		583
425	aio_rename "$runtime~", $runtime	584	sub coin_from_name($) {
426	and return;	585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
427		589
428	warn "runtime file written.\n";	590	=item $value = cf::db_get $family => $key
429		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
430	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
431	}	715	}
432		716
433	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
434		718
435	Log a datalog packet of the given type with the given key-value pairs.	719	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		731
448	#############################################################################	732	#############################################################################
449		733
450	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
451		735
452	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
455		739
456	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	742	Deliantra).
459		743
460	=over 4	744	=over 4
461		745
462	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
463		747
…		…
507	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
508		792
509	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
511		795
512	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
514		798
515	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
516		800
517	=over 4	801	=over 4
…		…
665	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
666	}	950	}
667		951
668	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
669	} else {	953	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	955	}
672		956
673	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
674	}	958	}
675		959
…		…
715	";	999	";
716	die if $@;	1000	die if $@;
717	}	1001	}
718		1002
719	our $override;	1003	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1005
722	sub override {	1006	sub override {
723	$override = 1;	1007	$override = 1;
724	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
725	}	1009	}
726		1010
727	sub do_invoke {	1011	sub do_invoke {
728	my $event = shift;	1012	my $event = shift;
729	my $callbacks = shift;	1013	my $callbacks = shift;
730		1014
731	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
732		1016
733	local $override;	1017	local $override;
734		1018
735	for (@$callbacks) {	1019	for (@$callbacks) {
736	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
745	}	1029	}
746		1030
747	0	1031	0
748	}	1032	}
749		1033
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1035
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1037
754	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
755		1039
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1043
760	=back	1044	=back
761		1045
762	=cut	1046	=cut
763		1047
764	#############################################################################	1048	#############################################################################
765	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
766		1092
767	sub reattach {	1093	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1095	my ($obj) = @_;
770		1096
		1097	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1099
773	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
774		1101
775	@$registry = ();	1102	@$registry = ();
776		1103
…		…
791	cf::attachable->attach (	1118	cf::attachable->attach (
792	prio => -1000000,	1119	prio => -1000000,
793	on_instantiate => sub {	1120	on_instantiate => sub {
794	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
795		1122
796	$data = from_json $data;	1123	$data = decode_json $data;
797		1124
798	for (@$data) {	1125	for (@$data) {
799	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
800		1127
801	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1144	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
819		1146
820	sync_job {	1147	sync_job {
821	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
824		1152
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
829	close $fh;	1160	aio_close $fh;
830		1161
831	if (@$objs) {	1162	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
837	close $fh;	1171	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
839	}	1173	}
840	} else {	1174	} else {
841	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
842	}	1176	}
843		1177
844	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1182	} else {
846	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
847	}	1184	}
848	} else {	1185	} else {
849	aio_unlink $filename;	1186	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
851	}	1188	}
852	}	1189	};
853	}	1190	}
854		1191
855	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
857		1194
…		…
869	or return;	1206	or return;
870		1207
871	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
873	or return;	1210	or return;
		1211
874	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
875	}	1214	}
876		1215
		1216	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1218	$decname, length $data, scalar @{$av || []};
		1219
879	return ($data, $av);	1220	($data, $av)
880	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
881		1228
882	#############################################################################	1229	#############################################################################
883	# command handling &c	1230	# command handling &c
884		1231
885	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1246	}
900		1247
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1249
903	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
904		1255
905	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
906	called.	1257	called.
907		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
908	=cut	1270	=cut
909		1271
910	sub register_extcmd {	1272	sub register_extcmd {
911	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
912		1274
913	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
914	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
915		1285
916	cf::player->attach (	1286	cf::player->attach (
917	on_command => sub {	1287	on_command => sub {
918	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
919		1289
…		…
927	cf::override;	1297	cf::override;
928	},	1298	},
929	on_extcmd => sub {	1299	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
931		1301
932	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1303
934	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
940	} else {	1319	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1321	}
943		1322
944	cf::override;	1323	cf::override;
945	},	1324	},
946	);	1325	);
947		1326
		1327	# "readahead" all extensions
948	sub load_extension {	1328	sub cache_extensions {
949	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
950		1330
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1334	}
976	die $@;
977	}	1335	};
978		1336
979	push @EXTS, $pkg;	1337	$grp
980	}	1338	}
981		1339
982	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
983	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1345	next unless -r $path;
985	eval {	1346
986	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
987	1	1403	}
988	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
989	}	1409	};
990	}	1410	}
991		1411
992	#############################################################################	1412	#############################################################################
993		1413
		1414	=back
		1415
994	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
995		1417
996	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
997		1419
998	=cut	1420	=cut
999		1421
1000	package cf::player;	1422	package cf::player;
1001		1423
1002	use Coro::AIO;	1424	use Coro::AIO;
1003		1425
1004	=head3 cf::player	1426	=head3 cf::player
1005		1427
1006	=over 4	1428	=over 4
		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
1007		1443
1008	=item cf::player::find $login	1444	=item cf::player::find $login
1009		1445
1010	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
1011		1447
…		…
1030		1466
1031	sub exists($) {	1467	sub exists($) {
1032	my ($login) = @_;	1468	my ($login) = @_;
1033		1469
1034	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1036	}	1472	}
1037		1473
1038	sub find($) {	1474	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1476	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1487
1052	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1055	}	1497	}
1056	}	1498	}
1057	}	1499	}
1058		1500
…		…
1067	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1068		1510
1069	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1071		1513
		1514	cf::get_slot 0.01;
		1515
1072	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1073	Coro::cede;	1517	cf::cede_to_tick;
1074	}	1518	}
1075		1519
1076	sub new($) {	1520	sub new($) {
1077	my ($login) = @_;	1521	my ($login) = @_;
1078		1522
…		…
1084	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1085		1529
1086	$self	1530	$self
1087	}	1531	}
1088		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1089	=item $pl->quit_character	1543	=item $pl->quit_character
1090		1544
1091	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1093		1547
…		…
1097	my ($pl) = @_;	1551	my ($pl) = @_;
1098		1552
1099	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1100		1554
1101	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1557
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1108		1564
1109	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1602	or return [];
1147		1603
1148	my @logins;	1604	my @logins;
1149		1605
1150	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1154		1616
1155	utf8::decode $login;	1617	utf8::decode $login;
1156	push @logins, $login;	1618	push @logins, $login;
1157	}	1619	}
1158		1620
…		…
1185	}	1647	}
1186		1648
1187	\@paths	1649	\@paths
1188	}	1650	}
1189		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1190	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1191		1657
1192	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1193		1659
1194	=cut	1660	=cut
1195		1661
1196	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1198		1664
1199	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1666	}
1203		1667
1204	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1205		1669
1206	Sends an ext event to the client.	1670	Sends an ext event to the client.
1207		1671
1208	=cut	1672	=cut
1209		1673
1210	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1212		1676
1213	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1214	}	1678	}
1215		1679
1216	=head3 cf::region	1680	=head3 cf::region
1217		1681
1218	=over 4	1682	=over 4
…		…
1221		1685
1222	package cf::region;	1686	package cf::region;
1223		1687
1224	=item cf::region::find_by_path $path	1688	=item cf::region::find_by_path $path
1225		1689
1226	Tries to decuce the probable region for a map knowing only its path.	1690	Tries to decuce the likely region for a map knowing only its path.
1227		1691
1228	=cut	1692	=cut
1229		1693
1230	sub find_by_path($) {	1694	sub find_by_path($) {
1231	my ($path) = @_;	1695	my ($path) = @_;
1232		1696
1233	my ($match, $specificity);	1697	my ($match, $specificity);
1234		1698
1235	for my $region (list) {	1699	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1700	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1701	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1702	if $region->specificity > $specificity;
1239	}	1703	}
1240	}	1704	}
1241		1705
…		…
1262	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1264		1728
1265	sub generate_random_map {	1729	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1267	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1735	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1772	my ($self, $merge) = @_;
1306		1773
1307	# we have to keep some variables in memory intact	1774	# we have to keep some variables in memory intact
1308	local $self->{path};	1775	local $self->{path};
1309	local $self->{load_path};	1776	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1777
1313	$self->SUPER::thawer_merge ($merge);	1778	$self->SUPER::thawer_merge ($merge);
1314	}	1779	}
1315		1780
1316	sub normalise {	1781	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1364	return $self;	1829	return $self;
1365	}	1830	}
1366	}	1831	}
1367		1832
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1834	()
1370	}	1835	}
1371		1836
1372	sub init {	1837	sub init {
1373	my ($self) = @_;	1838	my ($self) = @_;
…		…
1395		1860
1396	# the temporary/swap location	1861	# the temporary/swap location
1397	sub save_path {	1862	sub save_path {
1398	my ($self) = @_;	1863	my ($self) = @_;
1399		1864
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1402	}	1867	}
1403		1868
1404	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1405	sub uniq_path {	1870	sub uniq_path {
1406	my ($self) = @_;	1871	my ($self) = @_;
1407		1872
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1410	}	1875	}
1411		1876
1412	# and all this just because we cannot iterate over	1877	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1878	my ($self) = @_;
1416		1879
1417	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1419	}	1883	}
1420		1884
1421	sub unlink_save {	1885	sub unlink_save {
1422	my ($self) = @_;	1886	my ($self) = @_;
1423		1887
…		…
1428		1892
1429	sub load_header_from($) {	1893	sub load_header_from($) {
1430	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1431		1895
1432	utf8::encode $path;	1896	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1438		1905
1439	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1440		1907
1441	1	1908	1
1442	}	1909	}
…		…
1481	$self->load_header_orig	1948	$self->load_header_orig
1482	or return;	1949	or return;
1483	$self->prepare_orig;	1950	$self->prepare_orig;
1484	}	1951	}
1485		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1486	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1957	unless $self->default_region;
1488		1958
1489	1	1959	1
1490	}	1960	}
…		…
1493	sub find {	1963	sub find {
1494	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1495		1965
1496	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1497		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1499		1970
1500	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1503	or return;	1973	or return;
1504		1974
1505	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1506		1976
1507	$map->load_header	1977	$map->load_header
1508	or return;	1978	or return;
1509		1979
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1513	$map->reset;	1985	$map->reset;
1514	undef $guard;
1515	return find $path;	1986	return find $path;
1516	}	1987	}
1517		1988
1518	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1519	}	1990	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1529		2000
1530	my $path = $self->{path};	2001	my $path = $self->{path};
1531		2002
1532	{	2003	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1534		2005
		2006	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2008
1537	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1538		2010
1539	$self->alloc;	2011	$self->alloc;
1540		2012
1541	$self->pre_load;	2013	$self->pre_load;
1542	Coro::cede;	2014	cf::cede_to_tick;
1543		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2018	$self->_load_objects ($f)
1545	or return;	2019	or return;
1546		2020
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1548	if delete $self->{load_original};	2022	if delete $self->{load_original};
1549		2023
1550	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2025	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2028	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1555	}	2032	}
1556	}	2033	}
1557		2034
1558	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1559	# now do the right thing for maps	2038	# now do the right thing for maps
1560	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2041	unless $self->difficulty;
1563	Coro::cede;	2042	cf::cede_to_tick;
1564		2043
1565	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2045	$self->decay_objects;
1567	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
1568	$self->update_buttons;	2047	$self->update_buttons;
1569	Coro::cede;	2048	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2049	$self->activate;
1573	}	2050	}
1574		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2056	}
1577		2057
1578	$self->post_load;	2058	$self->post_load;
1579	}	2059	}
1580		2060
…		…
1582	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1583		2063
1584	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2065	if $self->per_player;
1586		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1587	$self	2070	$self
1588	}	2071	}
1589		2072
1590	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2074	sub load_neighbours {
1592	my ($map) = @_;	2075	my ($map) = @_;
1593		2076
1594	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1595		2078
1596	for (0 .. 3) {	2079	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1598	or next;	2081	or next;
1599	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1600	or next;	2083	or next;
1601	$neigh->load;	2084	$neigh->load;
1602		2085
		2086	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2089	}
1606		2090
1607	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1609	or next;	2094	or next;
1610	$neigh->load;	2095	$neigh->load;
1611	}	2096	}
1612	}	2097	}
1613		2098
…		…
1618	}	2103	}
1619		2104
1620	sub do_load_sync {	2105	sub do_load_sync {
1621	my ($map) = @_;	2106	my ($map) = @_;
1622		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1623	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1624	}	2112	}
1625		2113
1626	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1628		2116
1629	sub find_async {	2117	sub find_async {
1630	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1631		2119
1632	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1633		2121
1634	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2124	}
1637		2125
1638	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1639	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1640	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2133	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2134	$map->load if $v;
		2135	}
1645		2136
1646	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1647	}	2138	}
1648	}	2139	}
1649	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1650	};	2141	};
1651	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2145	}
1655		2146
1656	sub save {	2147	sub save {
1657	my ($self) = @_;	2148	my ($self) = @_;
1658		2149
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2151
1661	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1662		2153
1663	return unless $self->dirty;	2154	return unless $self->dirty;
1664		2155
…		…
1670	return if $self->{deny_save};	2161	return if $self->{deny_save};
1671		2162
1672	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1673		2164
1674	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1676	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1677		2171
1678	if ($uniq) {	2172	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2175	} else {
…		…
1687	my ($self) = @_;	2181	my ($self) = @_;
1688		2182
1689	# save first because save cedes	2183	# save first because save cedes
1690	$self->save;	2184	$self->save;
1691		2185
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2187
1694	return if $self->players;	2188	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2190	return if $self->{deny_save};
1697		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2196	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2197	}
1701		2198
1702	sub reset_at {	2199	sub reset_at {
1703	my ($self) = @_;	2200	my ($self) = @_;
1704		2201
1705	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1708		2204
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2207
…		…
1722	my ($self) = @_;	2218	my ($self) = @_;
1723		2219
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2221
1726	return if $self->players;	2222	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2223
1729	warn "resetting map ", $self->path;	2224	warn "resetting map ", $self->path;
1730		2225
1731	$self->in_memory (cf::MAP_SWAPPED);	2226	$self->in_memory (cf::MAP_SWAPPED);
1732		2227
…		…
1738	if $uniq;	2233	if $uniq;
1739	}	2234	}
1740		2235
1741	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1742		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2240	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2241
1747	$self->unlink_save;	2242	$self->unlink_save;
1748	$self->destroy;	2243	$self->destroy;
1749	}	2244	}
1750		2245
1751	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1752		2247
1753	sub nuke {	2248	sub nuke {
1754	my ($self) = @_;	2249	my ($self) = @_;
1755		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
1756	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
1757		2255
1758	$self->unlink_save;	2256	$self->unlink_save;
1759		2257
1760	bless $self, "cf::map";	2258	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2263
1766	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
1767		2266
1768	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
		2268	}
		2269
		2270	=item $maps = cf::map::tmp_maps
		2271
		2272	Returns an arrayref with all map paths of currently instantiated and saved
		2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
		2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
		2287
		2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1769	}	2304	}
1770		2305
1771	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1772		2307
1773	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2309	instantiated unique items. May block.
1775		2310
1776	=cut	2311	=cut
1777		2312
1778	sub unique_maps() {	2313	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2314	[
1780	or return;	2315	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2316	utf8::decode $_;
1786	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2319	? ()
1789	push @paths, cf::map::normalise $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2322	]
1791
1792	\@paths
1793	}	2323	}
1794
1795	package cf;
1796		2324
1797	=back	2325	=back
1798		2326
1799	=head3 cf::object	2327	=head3 cf::object
1800		2328
…		…
1804		2332
1805	=over 4	2333	=over 4
1806		2334
1807	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1808		2336
1809	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1810		2339
1811	=cut	2340	=cut
1812		2341
1813	sub inv_recursive_;	2342	sub inv_recursive_;
1814	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1817		2346
1818	sub inv_recursive {	2347	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1820	}	2349	}
1821		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1822	package cf;	2379	package cf;
1823		2380
1824	=back	2381	=back
1825		2382
1826	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1835		2392
1836	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1837		2408
1838	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2410	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1843		2414
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2416
1846	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1848	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1851	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1852	}	2442	}
1853		2443
1854	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1855		2445
1856	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1869		2459
1870	=item $player_object->enter_link	2460	=item $player_object->enter_link
1871		2461
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2463
1874	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
1876		2468
1877	Will never block.	2469	Will never block.
1878		2470
1879	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1880		2472
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1938		2530
1939	$map->load;	2531	$map->load;
1940	$map->load_diag;	2532	$map->load_neighbours;
1941		2533
1942	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1943	$self->activate_recursive;	2536	$self->activate_recursive;
1944		2537
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1947	}	2540	}
1948		2541
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2543
1951	Moves the player to the given map-path and coordinates by first freezing	2544	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2545	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2546	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2547	the new (success) or old (failed) map position. In either case, $done will
		2548	be called at the end of this process.
		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
1955		2552
1956	=cut	2553	=cut
1957		2554
1958	our $GOTOGEN;	2555	our $GOTOGEN;
1959		2556
1960	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2559
1963	# do generation counting so two concurrent goto's will be executed in-order	2560	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2562
1966	$self->enter_link;	2563	$self->enter_link;
1967		2564
1968	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1969	my $map = eval {	2587	my $map = eval {
1970	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
1971		2589
1972	if ($map) {	2590	if ($map) {
1973	$map = $map->customise_for ($self);	2591	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2592	$map = $check->($map) if $check && $map;
1975	} else {	2593	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2595	}
1978		2596
1979	$map	2597	$map
1980	};	2598	};
1981		2599
…		…
1986		2604
1987	if ($gen == $self->{_goto_generation}) {	2605	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2606	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
1990	}	2608	}
		2609
		2610	$done->() if $done;
1991	})->prio (1);	2611	})->prio (1);
1992	}	2612	}
1993		2613
1994	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1995		2615
…		…
2015	}	2635	}
2016		2636
2017	sub prepare_random_map {	2637	sub prepare_random_map {
2018	my ($exit) = @_;	2638	my ($exit) = @_;
2019		2639
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2642	# that depends on the exit object
2025		2643
2026	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2646	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2033	}	2653	}
2034		2654
2035	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2036		2656
2037	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2040		2660
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2663	undef $fh;
2044	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2045		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2048	}	2672	}
2049	}	2673	}
2050		2674
2051	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2053		2677
2054	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2055		2679
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2680	$self->enter_link;
2068		2681
2069	(async {	2682	(async {
2070	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2071	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2072	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2073		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2074	1;	2706	1
2075	}) {	2707	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2712
2081	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2100		2732
2101	utf8::encode $text;	2733	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2735	}
2104		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		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	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
2105	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2106		2898
2107	Sends an exti event to the client.	2899	Sends an ext event to the client.
2108		2900
2109	=cut	2901	=cut
2110		2902
2111	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2113		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2116	}	2930	}
2117		2931
2118	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2119		2933
2120	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2937
2124	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2939	become reliable at some point in the future.
2126		2940
2127	=cut	2941	=cut
2128		2942
2129	sub cf::client::query {	2943	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2952	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2954
2141	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2143	}	2959	}
2144		2960
2145	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2146	on_reply => sub {	2967	on_reply => sub {
2147	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2148		2969
2149	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2150	# get handled first	2971	# get handled first
…		…
2162	} else {	2983	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2985	}
2165	}	2986	}
2166	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2167	);	3014	);
2168		3015
2169	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2170		3017
2171	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2214		3061
2215	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2216		3063
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2218		3069
2219	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2220		3071
2221	=pod	3072	=pod
2222		3073
2223	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2224		3075
2225	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2226	cf::object::player player	3081	cf::object::player
2227	cf::player peaceful	3082	player
2228	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2229		3089
2230	=cut	3090	=cut
2231		3091
2232	for (	3092	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2237	) {	3099	) {
2238	no strict 'refs';	3100	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2258		3120
2259	my $qcode = $code;	3121	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2262		3126
2263	local $_;	3127	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2265		3129
2266	my $eval =	3130	my $eval =
…		…
2309	=back	3173	=back
2310		3174
2311	=cut	3175	=cut
2312		3176
2313	#############################################################################	3177	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3178	# the server's init and main functions
2487		3179
2488	sub load_facedata($) {	3180	sub load_facedata($) {
2489	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3188
2491	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2492		3190
2493	my $facedata;	3191	my $facedata;
2494	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2498		3196
2499	$facedata->{version} == 2	3197	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2502	{	3207	{
2503	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2504		3209
2505	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3217
		3218	cf::cede_to_tick;
2511	}	3219	}
2512		3220
2513	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2515	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2516	or next;	3225	or next;
		3226
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3230	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3232	}
2522	Coro::cede;	3233
		3234	cf::cede_to_tick;
2523	}	3235	}
2524	}	3236	}
2525		3237
2526	{	3238	{
2527	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2528		3240
2529	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3243	cf::cede_to_tick;
2532	}	3244	}
2533		3245
2534	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2535	}	3247	}
2536		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2537	1	3284	1
2538	}	3285	}
2539		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2540	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2541	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2543	}	3337	}
2544		3338
2545	sub reload_facedata {	3339	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2558	}	3352	}
2559		3353
2560	sub reload_resources {	3354	sub reload_resources {
2561	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2562		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2563	reload_regions;	3359	reload_regions;
2564	reload_facedata;
2565	#reload_archetypes;#d#
2566	reload_archetypes;
2567	reload_treasures;	3360	reload_treasures;
2568		3361
2569	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2570	}	3363	}
2571		3364
2572	sub init {	3365	sub reload_config {
2573	reload_resources;
2574	}
2575
2576	sub cfg_load {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3367	or return;
2579		3368
2580	local $/;	3369	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2582		3371
2583	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584		3373
2585	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2586	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2592	};	3381	};
2593	warn $@ if $@;	3382	warn $@ if $@;
2594	}	3383	}
2595	}	3384	}
2596		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2597	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2598	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601	(async {	3423	(async {
2602	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2603	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2604	};	3427	};
2605		3428
2606	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2607	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2608	load_extensions;	3447	load_extensions;
2609		3448
2610	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2611	Event::loop;	3457	EV::loop;
2612	}	3458	}
2613		3459
2614	#############################################################################	3460	#############################################################################
2615	# initialisation and cleanup	3461	# initialisation and cleanup
2616		3462
2617	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2618	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2619	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2620	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2621	reentrant => 0,
2622	data => WF_AUTOCANCEL,
2623	signal => $signal,
2624	prio => 0,
2625	cb => sub {
2626	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2627	},
2628	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2629	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2630	}	3557	}
2631		3558
2632	sub emergency_save() {	3559	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2634		3561
2635	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2636		3563
2637	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2638	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2639	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2640	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2642	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	3578	$pl->save;
2646	}	3579	}
2647	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2648		3581
2649	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2650	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2651	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2652	$map->valid or next;	3585	$map->valid or next;
2653	$map->save;	3586	$map->save;
2654	}	3587	}
2655	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2656		3589
2657	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2659	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2660	};	3597	};
2661		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2662	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2663	}	3605	}
2664		3606
2665	sub post_cleanup {	3607	sub post_cleanup {
2666	my ($make_core) = @_;	3608	my ($make_core) = @_;
2667		3609
2668	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
2669	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
2670	}	3641	}
2671		3642
2672	sub do_reload_perl() {	3643	sub do_reload_perl() {
2673	# can/must only be called in main	3644	# can/must only be called in main
2674	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2675	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2676	return;	3647	return;
2677	}	3648	}
2678		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2679	warn "reloading...";	3655	warn "reloading...";
2680		3656
2681	warn "entering sync_job";	3657	warn "entering sync_job";
2682		3658
2683	cf::sync_job {	3659	cf::sync_job {
2684	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
2685	cf::emergency_save;	3661	cf::emergency_save;
2686	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
2687		3663
2688	warn "syncing database to disk";	3664	warn "syncing database to disk";
2689	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2690		3666
2691	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2692		3668
2693	warn "cancelling all WF_AUTOCANCEL watchers";
2694	for (Event::all_watchers) {
2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2696	}
2697
2698	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2699	for (;;) {
2700	BDB::flush;
2701	IO::AIO::flush;
2702	Coro::cede;
2703	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2704	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2705	}
2706
2707	++$RELOAD;
2708
2709	warn "cancelling all extension coros";
2710	$_->cancel for values %EXT_CORO;
2711	%EXT_CORO = ();
2712
2713	warn "removing commands";
2714	%COMMAND = ();
2715
2716	warn "removing ext commands";
2717	%EXTCMD = ();
2718
2719	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";
2722
2723	if (my $cb = $pkg->can ("unload")) {
2724	eval {
2725	$cb->($pkg);
2726	1
2727	} or warn "$pkg unloaded, but with errors: $@";
2728	}	3672	}
2729		3673
2730	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2731	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2732	}	3676	%EXT_CORO = ();
2733		3677
2734	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2735	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2736	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2737		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2738	warn "... unloading $k";	3687	warn "... unloading $pkg";
2739	delete $INC{$k};
2740		3688
2741	$k =~ s/\.pm$//;
2742	$k =~ s/\//::/g;
2743
2744	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2745	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2746	}	3698	}
2747		3699
2748	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2749	}	3715	}
2750		3716
2751	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2752	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2753	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2754		3720
2755	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2756	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
2757	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2758		3724
2759	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2760	# and global variables created in xs	3726	# and global variables created in xs
2761	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2762		3728
2763	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2764		3730
2765	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2766	require cf;	3732	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3734
2769	warn "loading config and database again";	3735	warn "loading config and database again";
2770	cf::cfg_load;	3736	cf::reload_config;
2771		3737
2772	warn "loading extensions";	3738	warn "loading extensions";
2773	cf::load_extensions;	3739	cf::load_extensions;
2774		3740
		3741	if ($REATTACH_ON_RELOAD) {
2775	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2776	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
2777	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
2778	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
2779	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
2780	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
2781		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
2782	warn "leaving sync_job";	3753	warn "leaving sync_job";
2783		3754
2784	1	3755	1
2785	} or do {	3756	} or do {
2786	warn $@;	3757	warn $@;
2787	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
2788	exit 1;
2789	};	3759	};
2790		3760
2791	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
2792	};	3767	};
2793		3768
2794	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
2795		3770
2796	sub reload_perl() {	3771	sub reload_perl() {
2797	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
2798	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
2799		3774
2800	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
2801	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
2802	after => 0,	3777
2803	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2804	cb => sub {
2805	do_reload_perl;	3779	do_reload_perl;
2806	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
2807	},	3781	};
2808	);	3782	};
2809	}	3783	}
2810		3784
2811	register_command "reload" => sub {	3785	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2813		3787
2814	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3792	reload_perl;
		3793	};
2817	}	3794	}
2818	};	3795	};
2819		3796
2820	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2821		3798
…		…
2823		3800
2824	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
2825	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
2826		3803
2827	sub wait_for_tick {	3804	sub wait_for_tick {
2828	return unless $TICK_WATCHER->is_active;
2829	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
2830		3806
2831	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
2832	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
2833	$signal->wait;	3809	$signal->wait;
2834	}	3810	}
2835		3811
2836	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
2837	return unless $TICK_WATCHER->is_active;
2838	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
2839		3814
2840	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3817	$signal->wait;
2843	}	3818	}
2844		3819
2845	my $min = 1e6;#d#	3820	sub tick {
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,
2849	parked => 1,
2850	prio => 0,
2851	at => $NEXT_TICK || $TICK,
2852	data => WF_AUTOCANCEL,
2853	cb => sub {
2854	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
2857	return;	3824	return;
2858	}	3825	}
2859		3826
2860	$NOW = $tick_start = Event::time;
2861
2862	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2863		3828
2864	0 && sync_job {#d#	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865	for(1..10) {	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866	my $t = Event::time;	3831	Coro::async_pool {
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3832	$Coro::current->{desc} = "runtime saver";
2868	or die;	3833	write_runtime_sync
2869		3834	or warn "ERROR: unable to write runtime file: $!";
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};	3835	};
		3836	}
2886		3837
2887	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;
2889
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {
2893	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";
2895	};
2896	}
2897
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3839	$sig->send;
2903	}	3840	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3842	$sig->send;
2906	}	3843	}
2907		3844
2908	$NOW = Event::time;	3845	$LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910	# if we are delayed by four ticks or more, skip them all
2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913	$TICK_WATCHER->at ($NEXT_TICK);
2914	$TICK_WATCHER->start;
2915
2916	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3847
2919	_post_tick;	3848	if (0) {
2920		3849	if ($NEXT_TICK) {
2921		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
2922	},	3854	}
2923	);	3855	}
2924		3856
2925	{	3857	{
2926	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
2927	$BDB_POLL_WATCHER = Event->io (	3859
2928	reentrant => 0,
2929	fd => BDB::poll_fileno,
2930	poll => 'r',
2931	prio => 0,
2932	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,
2934	);
2935	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
2936		3861	BDB::max_poll_reqs $TICK * 0.1;
2937	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
2938	my $status;
2939	my $current = $Coro::current;
2940	(
2941	sub {
2942	$status = $!;
2943	$current->ready; undef $current;
2944	},
2945	sub {
2946	Coro::schedule while defined $current;
2947	$! = $status;
2948	},
2949	)
2950	};
2951		3863
2952	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
2953	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954		3871
2955	cf::sync_job {	3872	cf::sync_job {
2956	eval {	3873	eval {
2957	BDB::db_env_open	3874	BDB::db_env_open
2958	$DB_ENV,	3875	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3879	0666;
2963		3880
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3882	};
2969		3883
2970	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3885	};
2972	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
2973	}	3897	}
2974		3898
2975	{	3899	{
		3900	# configure IO::AIO
		3901
2976	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
2977
2978	undef $Coro::AIO::WATCHER;
2979	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
2980	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
2981	reentrant => 0,
2982	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,
2984	poll => 'r',
2985	prio => 6,
2986	cb => \&IO::AIO::poll_cb,
2987	);
2988	}	3905	}
2989		3906
2990	my $_log_backtrace;	3907	my $_log_backtrace;
2991		3908
2992	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
2995	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
2996		3913
2997	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3000	async {	3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
3001	my @bt = fork_call {	3921	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005	or die "addr2line: $!";	3925	or die "addr2line: $!";
…		…
3013	}	3933	}
3014		3934
3015	@funcs	3935	@funcs
3016	};	3936	};
3017		3937
3018	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3019	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3020	--$_log_backtrace;	3941	--$_log_backtrace;
3021	};	3942	};
3022	} else {	3943	} else {
3023	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3024	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3025	}	3946	}
3026	}	3947	}
3027		3948
3028	# load additional modules	3949	# load additional modules
3029	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3030		3951
3031	END { cf::emergency_save }	3952	END { cf::emergency_save }
3032		3953
3033	1	3954	1
3034		3955

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