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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		140
99	binmode STDOUT;	141	binmode STDOUT;
100	binmode STDERR;	142	binmode STDERR;
101		143
102	# read virtual server time, if available	144	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
107	}	149	}
108		150
109	mkdir $_	151	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		197
156	The raw value load value from the last tick.	198	The raw value load value from the last tick.
157		199
158	=item %cf::CFG	200	=item %cf::CFG
159		201
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	203	from wherever your confdir points to.
162		204
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		206
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	208	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
		216
169	=back	217	=back
170		218
171	=cut	219	=cut
172		220
173	BEGIN {	221	BEGIN {
…		…
177	$msg .= "\n"	225	$msg .= "\n"
178	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
179		227
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		229
182	utf8::encode $msg;
183	LOG llevError, $msg;	230	LOG llevError, $msg;
184	};	231	};
185	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
186		248
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	259	for my $pkg (qw(
198	cf::global cf::attachable	260	cf::global cf::attachable
199	cf::object cf::object::player	261	cf::object cf::object::player
200	cf::client cf::player	262	cf::client cf::player
201	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
202	cf::map cf::party cf::region	265	cf::party cf::region
203	)) {	266	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	268	}
207		269
208	$Event::DIED = sub {	270	$EV::DIED = sub {
209	warn "error in event callback: @_";	271	warn "error in event callback: @_";
210	};	272	};
		273
		274	#############################################################################
211		275
212	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
213		277
214	=over 4	278	=over 4
215		279
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	299	$d
236	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
237	}	301	}
238		302
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
242		304
243	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
244		306
245	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
246		308
247	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
248		310
		311	=cut
		312
		313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		314
		315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
249	=item cf::lock_wait $string	332	=item cf::lock_wait $string
250		333
251	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
252		335
253	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
254		337
255	Wait until the given lock is available and then acquires it and returns	338	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
258	returned.	341	returned.
259		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
260	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
262		348
263	=item $locked = cf::lock_active $string	349	=item $locked = cf::lock_active $string
264		350
265	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
266		352
267	=cut	353	=cut
268		354
269	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
270		356
271	sub lock_wait($) {	357	sub lock_wait($) {
272	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	359	}
280		360
281	sub lock_acquire($) {	361	sub lock_acquire($) {
282	my ($key) = @_;	362	$LOCKS->guard ($_[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	}	363	}
294		364
295	sub lock_active($) {	365	sub lock_active($) {
296	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	367	}
300		368
301	sub freeze_mainloop {	369	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
303		371
304	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	373	}
		374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
306	};	433	}
307	$TICK_WATCHER->stop;	434	};
308	$guard	435
		436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
309	}	448	}
310		449
311	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
312		451
313	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		457
319	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
320		459
321	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
322		461
323	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
326		466
327	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
330	fast or be very important.	470	fast or be very important.
…		…
333		473
334	sub sync_job(&) {	474	sub sync_job(&) {
335	my ($job) = @_;	475	my ($job) = @_;
336		476
337	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	478	my $time = EV::time;
339		479
340	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
342		482
343	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	484
345	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
346		486
347	my $busy = 1;	487	my $busy = 1;
348	my @res;	488	my @res;
349		489
350	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	492	@res = eval { $job->() };
352	warn $@ if $@;	493	warn $@ if $@;
353	undef $busy;	494	undef $busy;
354	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
355		496
356	while ($busy) {	497	while ($busy) {
357	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
358	}	502	}
		503	}
359		504
360	$time = Event::time - $time;	505	my $time = EV::time - $time;
361		506
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	507	$TICK_START += $time; # do not account sync jobs to server load
366		508
367	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
368	} else {	510	} else {
369	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
370		512
…		…
390	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
391		533
392	$coro	534	$coro
393	}	535	}
394		536
395	sub write_runtime {	537	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		538
398	# first touch the runtime file to show we are still running:	539	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
400		543
401	IO::AIO::aio_utime $runtime, undef, undef;	544	=cut
402		545
403	my $guard = cf::lock_acquire "write_runtime";	546	sub fork_call(&@) {
		547	my ($cb, @args) = @_;
404		548
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	549	# we seemingly have to make a local copy of the whole thing,
406	or return;	550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
407		552
408	my $value = $cf::RUNTIME + 90 + 10;	553	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	554	reset_signals;
410	# 60 allows for the watchdog to kill the server.	555	&$cb
		556	}, @args;
411		557
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	558	wantarray ? @res : $res[-1]
413	and return;	559	}
414		560
415	# always fsync - this file is important	561	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		562
419	# touch it again to show we are up-to-date	563	=cut
420	aio_utime $fh, undef, undef;
421		564
422	close $fh	565	our %coin_alias = (
423	or return;	566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
424		581
425	aio_rename "$runtime~", $runtime	582	sub coin_from_name($) {
426	and return;	583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
427		587
428	warn "runtime file written.\n";#d#	588	=item $value = cf::db_get $family => $key
429		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
		620
		621	our $DB;
		622
		623	sub db_init {
		624	cf::sync_job {
		625	$DB ||= db_table "db";
		626	};
		627	}
		628
		629	sub db_get($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
430	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
431	}	713	}
432		714
433	=item cf::datalog type => key => value, ...	715	=item cf::datalog type => key => value, ...
434		716
435	Log a datalog packet of the given type with the given key-value pairs.	717	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		729
448	#############################################################################	730	#############################################################################
449		731
450	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
451		733
452	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
455		737
456	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	740	Deliantra).
459		741
460	=over 4	742	=over 4
461		743
462	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
463		745
…		…
507	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
508		790
509	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
511		793
512	Some classes such as crossfire maps and objects can specify attachments	794	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.	795	that are attached at load/instantiate time, thus the need for a name.
514		796
515	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
516		798
517	=over 4	799	=over 4
…		…
665	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
666	}	948	}
667		949
668	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
669	} else {	951	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	953	}
672		954
673	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
674	}	956	}
675		957
…		…
715	";	997	";
716	die if $@;	998	die if $@;
717	}	999	}
718		1000
719	our $override;	1001	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1003
722	sub override {	1004	sub override {
723	$override = 1;	1005	$override = 1;
724	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
725	}	1007	}
726		1008
727	sub do_invoke {	1009	sub do_invoke {
728	my $event = shift;	1010	my $event = shift;
729	my $callbacks = shift;	1011	my $callbacks = shift;
730		1012
731	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
732		1014
733	local $override;	1015	local $override;
734		1016
735	for (@$callbacks) {	1017	for (@$callbacks) {
736	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
745	}	1027	}
746		1028
747	0	1029	0
748	}	1030	}
749		1031
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1033
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1035
754	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
755		1037
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1039	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1041
760	=back	1042	=back
761		1043
762	=cut	1044	=cut
763		1045
764	#############################################################################	1046	#############################################################################
765	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
766		1090
767	sub reattach {	1091	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1093	my ($obj) = @_;
770		1094
		1095	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1097
773	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
774		1099
775	@$registry = ();	1100	@$registry = ();
776		1101
…		…
791	cf::attachable->attach (	1116	cf::attachable->attach (
792	prio => -1000000,	1117	prio => -1000000,
793	on_instantiate => sub {	1118	on_instantiate => sub {
794	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
795		1120
796	$data = from_json $data;	1121	$data = decode_json $data;
797		1122
798	for (@$data) {	1123	for (@$data) {
799	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
800		1125
801	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1142	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
819		1144
820	sync_job {	1145	sync_job {
821	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
824		1150
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1155	aio_close $fh;
830		1156
831	if (@$objs) {	1157	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1163	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
839	}	1165	}
840	} else {	1166	} else {
841	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
842	}	1168	}
843		1169
844	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1174	} else {
846	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
847	}	1176	}
848	} else {	1177	} else {
849	aio_unlink $filename;	1178	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
851	}	1180	}
852	}	1181	};
853	}	1182	}
854		1183
855	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
857		1186
…		…
869	or return;	1198	or return;
870		1199
871	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
873	or return;	1202	or return;
		1203
874	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
875	}	1206	}
876		1207
		1208	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
879	return ($data, $av);	1212	($data, $av)
880	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
881		1220
882	#############################################################################	1221	#############################################################################
883	# command handling &c	1222	# command handling &c
884		1223
885	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1238	}
900		1239
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1241
903	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
904		1247
905	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
906	called.	1249	called.
907		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
908	=cut	1262	=cut
909		1263
910	sub register_extcmd {	1264	sub register_extcmd {
911	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
912		1266
913	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
914	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
915		1277
916	cf::player->attach (	1278	cf::player->attach (
917	on_command => sub {	1279	on_command => sub {
918	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
919		1281
…		…
927	cf::override;	1289	cf::override;
928	},	1290	},
929	on_extcmd => sub {	1291	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
931		1293
932	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1295
934	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
940	} else {	1311	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1313	}
943		1314
944	cf::override;	1315	cf::override;
945	},	1316	},
946	);	1317	);
947		1318
		1319	# "readahead" all extensions
948	sub load_extension {	1320	sub cache_extensions {
949	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
950		1322
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
952	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1325	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	}	1326	}
976	die $@;
977	}	1327	};
978		1328
979	push @EXTS, $pkg;	1329	$grp
980	}	1330	}
981		1331
982	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
983	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1337	next unless -r $path;
985	eval {	1338
986	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
987	1	1395	}
988	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
989	}	1401	};
990	}	1402	}
991		1403
992	#############################################################################	1404	#############################################################################
993		1405
		1406	=back
		1407
994	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
995		1409
996	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
997		1411
998	=cut	1412	=cut
999		1413
1000	package cf::player;	1414	package cf::player;
1001		1415
1002	use Coro::AIO;	1416	use Coro::AIO;
1003		1417
1004	=head3 cf::player	1418	=head3 cf::player
1005		1419
1006	=over 4	1420	=over 4
		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
1007		1435
1008	=item cf::player::find $login	1436	=item cf::player::find $login
1009		1437
1010	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
1011		1439
…		…
1030		1458
1031	sub exists($) {	1459	sub exists($) {
1032	my ($login) = @_;	1460	my ($login) = @_;
1033		1461
1034	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1036	}	1464	}
1037		1465
1038	sub find($) {	1466	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1468	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1479
1052	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1055	}	1489	}
1056	}	1490	}
1057	}	1491	}
1058		1492
…		…
1067	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1068		1502
1069	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1071		1505
		1506	cf::get_slot 0.01;
		1507
1072	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1073	Coro::cede;	1509	cf::cede_to_tick;
1074	}	1510	}
1075		1511
1076	sub new($) {	1512	sub new($) {
1077	my ($login) = @_;	1513	my ($login) = @_;
1078		1514
…		…
1084	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1085		1521
1086	$self	1522	$self
1087	}	1523	}
1088		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1089	=item $pl->quit_character	1535	=item $pl->quit_character
1090		1536
1091	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1093		1539
…		…
1097	my ($pl) = @_;	1543	my ($pl) = @_;
1098		1544
1099	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1100		1546
1101	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1549
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1108		1556
1109	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1594	or return [];
1147		1595
1148	my @logins;	1596	my @logins;
1149		1597
1150	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1154		1608
1155	utf8::decode $login;	1609	utf8::decode $login;
1156	push @logins, $login;	1610	push @logins, $login;
1157	}	1611	}
1158		1612
…		…
1185	}	1639	}
1186		1640
1187	\@paths	1641	\@paths
1188	}	1642	}
1189		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1190	=item $player->ext_reply ($msgid, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1191		1649
1192	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1193		1651
1194	=cut	1652	=cut
1195		1653
1196	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1198		1656
1199	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1658	}
1203		1659
1204	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1205		1661
1206	Sends an ext event to the client.	1662	Sends an ext event to the client.
1207		1663
1208	=cut	1664	=cut
1209		1665
1210	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1212		1668
1213	$self->ns->ext_event ($type, %msg);	1669	$self->ns->ext_msg ($type, @msg);
1214	}	1670	}
1215		1671
1216	=head3 cf::region	1672	=head3 cf::region
1217		1673
1218	=over 4	1674	=over 4
…		…
1221		1677
1222	package cf::region;	1678	package cf::region;
1223		1679
1224	=item cf::region::find_by_path $path	1680	=item cf::region::find_by_path $path
1225		1681
1226	Tries to decuce the probable region for a map knowing only its path.	1682	Tries to decuce the likely region for a map knowing only its path.
1227		1683
1228	=cut	1684	=cut
1229		1685
1230	sub find_by_path($) {	1686	sub find_by_path($) {
1231	my ($path) = @_;	1687	my ($path) = @_;
1232		1688
1233	my ($match, $specificity);	1689	my ($match, $specificity);
1234		1690
1235	for my $region (list) {	1691	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1692	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1693	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1694	if $region->specificity > $specificity;
1239	}	1695	}
1240	}	1696	}
1241		1697
…		…
1262	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1264		1720
1265	sub generate_random_map {	1721	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1267	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1727	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1306		1765
1307	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1308	local $self->{path};	1767	local $self->{path};
1309	local $self->{load_path};	1768	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1769
1313	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1314	}	1771	}
1315		1772
1316	sub normalise {	1773	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1364	return $self;	1821	return $self;
1365	}	1822	}
1366	}	1823	}
1367		1824
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1826	()
1370	}	1827	}
1371		1828
1372	sub init {	1829	sub init {
1373	my ($self) = @_;	1830	my ($self) = @_;
…		…
1395		1852
1396	# the temporary/swap location	1853	# the temporary/swap location
1397	sub save_path {	1854	sub save_path {
1398	my ($self) = @_;	1855	my ($self) = @_;
1399		1856
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1402	}	1859	}
1403		1860
1404	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1405	sub uniq_path {	1862	sub uniq_path {
1406	my ($self) = @_;	1863	my ($self) = @_;
1407		1864
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1410	}	1867	}
1411		1868
1412	# and all this just because we cannot iterate over	1869	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1870	my ($self) = @_;
1416		1871
1417	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1419	}	1875	}
1420		1876
1421	sub unlink_save {	1877	sub unlink_save {
1422	my ($self) = @_;	1878	my ($self) = @_;
1423		1879
…		…
1428		1884
1429	sub load_header_from($) {	1885	sub load_header_from($) {
1430	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1431		1887
1432	utf8::encode $path;	1888	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1438		1897
1439	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1440		1899
1441	1	1900	1
1442	}	1901	}
…		…
1481	$self->load_header_orig	1940	$self->load_header_orig
1482	or return;	1941	or return;
1483	$self->prepare_orig;	1942	$self->prepare_orig;
1484	}	1943	}
1485		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
1486	$self->default_region (cf::region::find_by_path $self->{path})	1948	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1949	unless $self->default_region;
1488		1950
1489	1	1951	1
1490	}	1952	}
…		…
1493	sub find {	1955	sub find {
1494	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1495		1957
1496	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1497		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1499		1962
1500	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1503	or return;	1965	or return;
1504		1966
1505	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1506		1968
1507	$map->load_header	1969	$map->load_header
1508	or return;	1970	or return;
1509		1971
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1513	$map->reset;	1977	$map->reset;
1514	undef $guard;
1515	return find $path;	1978	return find $path;
1516	}	1979	}
1517		1980
1518	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1519	}	1982	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1529		1992
1530	my $path = $self->{path};	1993	my $path = $self->{path};
1531		1994
1532	{	1995	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1534		1997
		1998	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2000
1537	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1538		2002
1539	$self->alloc;	2003	$self->alloc;
1540		2004
1541	$self->pre_load;	2005	$self->pre_load;
1542	Coro::cede;	2006	cf::cede_to_tick;
1543		2007
		2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2010	$self->_load_objects ($f)
1545	or return;	2011	or return;
1546		2012
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1548	if delete $self->{load_original};	2014	if delete $self->{load_original};
1549		2015
1550	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2017	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2020	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1555	}	2024	}
1556	}	2025	}
1557		2026
1558	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1559	# now do the right thing for maps	2030	# now do the right thing for maps
1560	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2033	unless $self->difficulty;
1563	Coro::cede;	2034	cf::cede_to_tick;
1564		2035
1565	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2037	$self->decay_objects;
1567	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1568	$self->update_buttons;	2039	$self->update_buttons;
1569	Coro::cede;	2040	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2041	$self->activate;
1573	}	2042	}
1574		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2048	}
1577		2049
1578	$self->post_load;	2050	$self->post_load;
1579	}	2051	}
1580		2052
…		…
1582	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1583		2055
1584	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2057	if $self->per_player;
1586		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1587	$self	2062	$self
1588	}	2063	}
1589		2064
1590	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2066	sub load_neighbours {
1592	my ($map) = @_;	2067	my ($map) = @_;
1593		2068
1594	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1595		2070
1596	for (0 .. 3) {	2071	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1598	or next;	2073	or next;
1599	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1600	or next;	2075	or next;
1601	$neigh->load;	2076	$neigh->load;
1602		2077
		2078	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2081	}
1606		2082
1607	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1609	or next;	2086	or next;
1610	$neigh->load;	2087	$neigh->load;
1611	}	2088	}
1612	}	2089	}
1613		2090
…		…
1618	}	2095	}
1619		2096
1620	sub do_load_sync {	2097	sub do_load_sync {
1621	my ($map) = @_;	2098	my ($map) = @_;
1622		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1623	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1624	}	2104	}
1625		2105
1626	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1628		2108
1629	sub find_async {	2109	sub find_async {
1630	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1631		2111
1632	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1633		2113
1634	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2116	}
1637		2117
1638	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1639	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1640	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2125	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2126	$map->load if $v;
		2127	}
1645		2128
1646	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1647	}	2130	}
1648	}	2131	}
1649	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1650	};	2133	};
1651	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2137	}
1655		2138
1656	sub save {	2139	sub save {
1657	my ($self) = @_;	2140	my ($self) = @_;
1658		2141
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2143
1661	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1662		2145
1663	return unless $self->dirty;	2146	return unless $self->dirty;
1664		2147
…		…
1670	return if $self->{deny_save};	2153	return if $self->{deny_save};
1671		2154
1672	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1673		2156
1674	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1676	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1677		2163
1678	if ($uniq) {	2164	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2167	} else {
…		…
1687	my ($self) = @_;	2173	my ($self) = @_;
1688		2174
1689	# save first because save cedes	2175	# save first because save cedes
1690	$self->save;	2176	$self->save;
1691		2177
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2179
1694	return if $self->players;	2180	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2182	return if $self->{deny_save};
1697		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2188	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2189	}
1701		2190
1702	sub reset_at {	2191	sub reset_at {
1703	my ($self) = @_;	2192	my ($self) = @_;
1704		2193
1705	# TODO: safety, remove and allow resettable per-player maps	2194	# 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};	2195	return 1e99 if $self->{deny_reset};
1708		2196
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2199
…		…
1722	my ($self) = @_;	2210	my ($self) = @_;
1723		2211
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2213
1726	return if $self->players;	2214	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2215
1729	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1730		2217
1731	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1732		2219
1733	# need to save uniques path	2220	# need to save uniques path
1734	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2225	if $uniq;
1739	}	2226	}
1740		2227
1741	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1742		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2232	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2233
1747	$self->unlink_save;	2234	$self->unlink_save;
1748	$self->destroy;	2235	$self->destroy;
1749	}	2236	}
1750		2237
1751	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1752		2239
1753	sub nuke {	2240	sub nuke {
1754	my ($self) = @_;	2241	my ($self) = @_;
1755		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1756	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1757		2247
1758	$self->unlink_save;	2248	$self->unlink_save;
1759		2249
1760	bless $self, "cf::map";	2250	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2255
1766	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1767		2258
1768	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1769	}	2296	}
1770		2297
1771	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1772		2299
1773	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2301	instantiated unique items. May block.
1775		2302
1776	=cut	2303	=cut
1777		2304
1778	sub unique_maps() {	2305	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2306	[
1780	or return;	2307	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2308	utf8::decode $_;
1786	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2311	? ()
1789	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2314	]
1791
1792	\@paths
1793	}	2315	}
1794
1795	package cf;
1796		2316
1797	=back	2317	=back
1798		2318
1799	=head3 cf::object	2319	=head3 cf::object
1800		2320
…		…
1804		2324
1805	=over 4	2325	=over 4
1806		2326
1807	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1808		2328
1809	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1810		2331
1811	=cut	2332	=cut
1812		2333
1813	sub inv_recursive_;	2334	sub inv_recursive_;
1814	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1817		2338
1818	sub inv_recursive {	2339	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1820	}	2341	}
1821		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1822	package cf;	2371	package cf;
1823		2372
1824	=back	2373	=back
1825		2374
1826	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1835		2384
1836	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1837		2400
1838	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2402	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1843		2406
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2408
1846	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1848	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1851	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1852	}	2434	}
1853		2435
1854	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1855		2437
1856	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1869		2451
1870	=item $player_object->enter_link	2452	=item $player_object->enter_link
1871		2453
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2455
1874	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1876		2460
1877	Will never block.	2461	Will never block.
1878		2462
1879	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1880		2464
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1938		2522
1939	$map->load;	2523	$map->load;
1940	$map->load_diag;	2524	$map->load_neighbours;
1941		2525
1942	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1943	$self->activate_recursive;	2528	$self->activate_recursive;
1944		2529
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1947	}	2532	}
1948		2533
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2535
1951	Moves the player to the given map-path and coordinates by first freezing	2536	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	2537	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	2538	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2539	the new (success) or old (failed) map position. In either case, $done will
		2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
1955		2544
1956	=cut	2545	=cut
1957		2546
1958	our $GOTOGEN;	2547	our $GOTOGEN;
1959		2548
1960	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2551
1963	# do generation counting so two concurrent goto's will be executed in-order	2552	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2554
1966	$self->enter_link;	2555	$self->enter_link;
1967		2556
1968	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1969	my $map = eval {	2579	my $map = eval {
1970	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
1971		2581
1972	if ($map) {	2582	if ($map) {
1973	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
1975	} else {	2585	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2587	}
1978		2588
1979	$map	2589	$map
1980	};	2590	};
1981		2591
…		…
1986		2596
1987	if ($gen == $self->{_goto_generation}) {	2597	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2598	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
1990	}	2600	}
		2601
		2602	$done->() if $done;
1991	})->prio (1);	2603	})->prio (1);
1992	}	2604	}
1993		2605
1994	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1995		2607
…		…
2015	}	2627	}
2016		2628
2017	sub prepare_random_map {	2629	sub prepare_random_map {
2018	my ($exit) = @_;	2630	my ($exit) = @_;
2019		2631
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2634	# that depends on the exit object
2025		2635
2026	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2638	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2033	}	2645	}
2034		2646
2035	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2036		2648
2037	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2040		2652
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2655	undef $fh;
2044	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2045		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2048	}	2664	}
2049	}	2665	}
2050		2666
2051	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2053		2669
2054	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2055		2671
2056	if ($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;	2672	$self->enter_link;
2068		2673
2069	(async {	2674	(async {
2070	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2071	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2072	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2073		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2074	1;	2698	1
2075	}) {	2699	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2704
2081	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2100		2724
2101	utf8::encode $text;	2725	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2727	}
2104		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
2105	=item $client->ext_event ($type, %msg)	2877	=item $client->ext_msg ($type, @msg)
2106		2878
2107	Sends an exti event to the client.	2879	Sends an ext event to the client.
2108		2880
2109	=cut	2881	=cut
2110		2882
2111	sub cf::client::ext_event($$%) {	2883	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2884	my ($self, $type, @msg) = @_;
2113		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2889	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
2116	}	2910	}
2117		2911
2118	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2119		2913
2120	Queues a query to the client, calling the given callback with	2914	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>,	2915	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>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2917
2124	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2919	become reliable at some point in the future.
2126		2920
2127	=cut	2921	=cut
2128		2922
2129	sub cf::client::query {	2923	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2932	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2934
2141	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2143	}	2939	}
2144		2940
2145	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
2146	on_reply => sub {	2947	on_reply => sub {
2147	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2148		2949
2149	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2150	# get handled first	2951	# get handled first
…		…
2162	} else {	2963	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2965	}
2165	}	2966	}
2166	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
2167	);	2994	);
2168		2995
2169	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2170		2997
2171	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2214		3041
2215	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2216		3043
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2218		3049
2219	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2220		3051
2221	=pod	3052	=pod
2222		3053
2223	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2224		3055
2225	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2226	cf::object::player player	3061	cf::object::player
2227	cf::player peaceful	3062	player
2228	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2229		3069
2230	=cut	3070	=cut
2231		3071
2232	for (	3072	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2237	) {	3079	) {
2238	no strict 'refs';	3080	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2258		3100
2259	my $qcode = $code;	3101	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2262		3106
2263	local $_;	3107	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2265		3109
2266	my $eval =	3110	my $eval =
…		…
2309	=back	3153	=back
2310		3154
2311	=cut	3155	=cut
2312		3156
2313	#############################################################################	3157	#############################################################################
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 $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3158	# the server's init and main functions
2487		3159
2488	sub load_facedata($) {	3160	sub load_facedata($) {
2489	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3168
2491	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2492		3170
2493	my $facedata;	3171	my $facedata;
2494	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2498		3176
2499	$facedata->{version} == 2	3177	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2502	{	3187	{
2503	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2504		3189
2505	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3197
		3198	cf::cede_to_tick;
2511	}	3199	}
2512		3200
2513	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2515	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2516	or next;	3205	or next;
		3206
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3210	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3212	}
2522	Coro::cede;	3213
		3214	cf::cede_to_tick;
2523	}	3215	}
2524	}	3216	}
2525		3217
2526	{	3218	{
2527	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2528		3220
2529	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3223	cf::cede_to_tick;
2532	}	3224	}
2533		3225
2534	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2535	}	3227	}
2536		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2537	1	3264	1
2538	}	3265	}
2539		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2540	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2541	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2543	}	3317	}
2544		3318
2545	sub reload_facedata {	3319	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2558	}	3332	}
2559		3333
2560	sub reload_resources {	3334	sub reload_resources {
2561	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2562		3336
2563	reload_regions;
2564	reload_facedata;	3337	reload_facedata;
2565	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2566	reload_treasures;	3340	reload_treasures;
2567		3341
2568	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2569	}	3343	}
2570		3344
2571	sub init {	3345	sub reload_config {
2572	reload_resources;
2573	}
2574
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3347	or return;
2578		3348
2579	local $/;	3349	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2581		3351
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3353
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2591	};	3361	};
2592	warn $@ if $@;	3362	warn $@ if $@;
2593	}	3363	}
2594	}	3364	}
2595		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2596	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2597	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3403	(async {
2601	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2603	};	3407	};
2604		3408
2605	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2606	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2607	load_extensions;	3427	load_extensions;
2608		3428
2609	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2610	Event::loop;	3437	EV::loop;
2611	}	3438	}
2612		3439
2613	#############################################################################	3440	#############################################################################
2614	# initialisation and cleanup	3441	# initialisation and cleanup
2615		3442
2616	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2617	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2626	},
2627	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2628	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2629	}	3537	}
2630		3538
2631	sub emergency_save() {	3539	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2633		3541
2634	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2635		3543
2636	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2637	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3558	$pl->save;
2645	}	3559	}
2646	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2647		3561
2648	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3565	$map->valid or next;
2652	$map->save;	3566	$map->save;
2653	}	3567	}
2654	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2655		3569
2656	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2659	};	3577	};
2660		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2661	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2662	}	3585	}
2663		3586
2664	sub post_cleanup {	3587	sub post_cleanup {
2665	my ($make_core) = @_;	3588	my ($make_core) = @_;
2666		3589
2667	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
2669	}	3621	}
2670		3622
2671	sub do_reload_perl() {	3623	sub do_reload_perl() {
2672	# can/must only be called in main	3624	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2674	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2675	return;	3627	return;
2676	}	3628	}
2677		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2678	warn "reloading...";	3635	warn "reloading...";
2679		3636
2680	warn "entering sync_job";	3637	warn "entering sync_job";
2681		3638
2682	cf::sync_job {	3639	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3641	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2686		3643
2687	warn "syncing database to disk";	3644	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3646
2690	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2691		3648
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3652	}
2728		3653
2729	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2731	}	3656	%EXT_CORO = ();
2732		3657
2733	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3667	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3668
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2744	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2745	}	3678	}
2746		3679
2747	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2748	}	3695	}
2749		3696
2750	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3700
2754	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3704
2758	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3706	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2761		3708
2762	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2763		3710
2764	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2765	require cf;	3712	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3714
2768	warn "loading config and database again";	3715	warn "loading config and database again";
2769	cf::cfg_load;	3716	cf::reload_config;
2770		3717
2771	warn "loading extensions";	3718	warn "loading extensions";
2772	cf::load_extensions;	3719	cf::load_extensions;
2773		3720
		3721	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2780		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
2781	warn "leaving sync_job";	3733	warn "leaving sync_job";
2782		3734
2783	1	3735	1
2784	} or do {	3736	} or do {
2785	warn $@;	3737	warn $@;
2786	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3739	};
2789		3740
2790	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
2791	};	3747	};
2792		3748
2793	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
2794		3750
2795	sub reload_perl() {	3751	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
2798		3754
2799	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3757
2802	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3759	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
2806	},	3761	};
2807	);	3762	};
2808	}	3763	}
2809		3764
2810	register_command "reload" => sub {	3765	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2812		3767
2813	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3772	reload_perl;
		3773	};
2816	}	3774	}
2817	};	3775	};
2818		3776
2819	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2820		3778
…		…
2822		3780
2823	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2825		3783
2826	sub wait_for_tick {	3784	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2829		3786
2830	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3789	$signal->wait;
2833	}	3790	}
2834		3791
2835	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3794
2839	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3797	$signal->wait;
2842	}	3798	}
2843		3799
2844	my $min = 1e6;#d#	3800	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2856	return;	3804	return;
2857	}	3805	}
2858		3806
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2862		3808
2863	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	3811	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
2867	or die;	3813	write_runtime_sync
2868		3814	or warn "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3815	};
		3816	}
2885		3817
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3819	$sig->send;
2902	}	3820	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3822	$sig->send;
2905	}	3823	}
2906		3824
2907	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3827
2918	_post_tick;	3828	if (0) {
2919		3829	if ($NEXT_TICK) {
2920		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
2921	},	3834	}
2922	);	3835	}
2923		3836
2924	{	3837	{
2925	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3839
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2935		3841	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3843
2951	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3851
2954	cf::sync_job {	3852	cf::sync_job {
2955	eval {	3853	eval {
2956	BDB::db_env_open	3854	BDB::db_env_open
2957	$DB_ENV,	3855	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3859	0666;
2962		3860
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3862	};
2968		3863
2969	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3865	};
2971	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2972	}	3877	}
2973		3878
2974	{	3879	{
		3880	# configure IO::AIO
		3881
2975	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3885	}
2988		3886
2989	my $_log_backtrace;	3887	my $_log_backtrace;
2990		3888
2991	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
2995		3893
2996	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
2999	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3000	my @bt = fork_call {	3901	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3012	}	3913	}
3013		3914
3014	@funcs	3915	@funcs
3015	};	3916	};
3016		3917
3017	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	3921	--$_log_backtrace;
3020	};	3922	};
3021	} else {	3923	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	3926	}
3025	}	3927	}
3026		3928
3027	# load additional modules	3929	# load additional modules
3028	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3029		3931
3030	END { cf::emergency_save }	3932	END { cf::emergency_save }
3031		3933
3032	1	3934	1
3033		3935

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