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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.462 by root, Tue Dec 23 06:58:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::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;
82		116
83	our %CFG;	117	our %CFG;
84		118
85	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
87		122
88	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
91		126
92	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		129
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		138
99	binmode STDOUT;	139	binmode STDOUT;
100	binmode STDERR;	140	binmode STDERR;
101		141
102	# read virtual server time, if available	142	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
107	}	147	}
108		148
109	mkdir $_	149	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		195
156	The raw value load value from the last tick.	196	The raw value load value from the last tick.
157		197
158	=item %cf::CFG	198	=item %cf::CFG
159		199
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	201	from wherever your confdir points to.
162		202
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		204
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	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	206	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.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
169	=back	215	=back
170		216
171	=cut	217	=cut
172		218
173	BEGIN {	219	BEGIN {
…		…
177	$msg .= "\n"	223	$msg .= "\n"
178	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
179		225
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		227
182	utf8::encode $msg;
183	LOG llevError, $msg;	228	LOG llevError, $msg;
184	};	229	};
185	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
186		246
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	257	for my $pkg (qw(
198	cf::global cf::attachable	258	cf::global cf::attachable
199	cf::object cf::object::player	259	cf::object cf::object::player
200	cf::client cf::player	260	cf::client cf::player
201	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
202	cf::map cf::party cf::region	263	cf::party cf::region
203	)) {	264	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	266	}
207		267
208	$Event::DIED = sub {	268	$EV::DIED = sub {
209	warn "error in event callback: @_";	269	warn "error in event callback: @_";
210	};	270	};
		271
		272	#############################################################################
211		273
212	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
213		275
214	=over 4	276	=over 4
215		277
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	297	$d
236	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
237	}	299	}
238		300
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
242		302
243	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
244		304
245	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
246		306
247	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
248		308
		309	=cut
		310
		311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		312
		313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
249	=item cf::lock_wait $string	330	=item cf::lock_wait $string
250		331
251	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
252		333
253	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
254		335
255	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
258	returned.	339	returned.
259		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
260	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
262		346
263	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
264		348
265	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
266		350
267	=cut	351	=cut
268		352
269	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
270		354
271	sub lock_wait($) {	355	sub lock_wait($) {
272	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	357	}
280		358
281	sub lock_acquire($) {	359	sub lock_acquire($) {
282	my ($key) = @_;	360	$LOCKS->guard ($_[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	}	361	}
294		362
295	sub lock_active($) {	363	sub lock_active($) {
296	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	365	}
300		366
301	sub freeze_mainloop {	367	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
303		369
304	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
306	};	431	}
307	$TICK_WATCHER->stop;	432	};
308	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
309	}	446	}
310		447
311	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
312		449
313	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		455
319	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
320		457
321	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
322		459
323	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
326		464
327	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
330	fast or be very important.	468	fast or be very important.
…		…
333		471
334	sub sync_job(&) {	472	sub sync_job(&) {
335	my ($job) = @_;	473	my ($job) = @_;
336		474
337	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	476	my $time = EV::time;
339		477
340	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
342		480
343	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	482
345	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
346		484
347	my $busy = 1;	485	my $busy = 1;
348	my @res;	486	my @res;
349		487
350	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	490	@res = eval { $job->() };
352	warn $@ if $@;	491	warn $@ if $@;
353	undef $busy;	492	undef $busy;
354	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
355		494
356	while ($busy) {	495	while ($busy) {
357	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
358	}	500	}
		501	}
359		502
360	$time = Event::time - $time;	503	my $time = EV::time - $time;
361		504
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	505	$TICK_START += $time; # do not account sync jobs to server load
366		506
367	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
368	} else {	508	} else {
369	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
370		510
…		…
390	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
391		531
392	$coro	532	$coro
393	}	533	}
394		534
395	sub write_runtime {	535	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		536
398	# first touch the runtime file to show we are still running:	537	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
400		541
401	IO::AIO::aio_utime $runtime, undef, undef;	542	=cut
402		543
403	my $guard = cf::lock_acquire "write_runtime";	544	sub fork_call(&@) {
		545	my ($cb, @args) = @_;
404		546
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	547	# we seemingly have to make a local copy of the whole thing,
406	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
407		550
408	my $value = $cf::RUNTIME + 90 + 10;	551	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	552	reset_signals;
410	# 60 allows for the watchdog to kill the server.	553	&$cb
		554	}, @args;
411		555
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	556	wantarray ? @res : $res[-1]
413	and return;	557	}
414		558
415	# always fsync - this file is important	559	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		560
419	# touch it again to show we are up-to-date	561	=cut
420	aio_utime $fh, undef, undef;
421		562
422	close $fh	563	our %coin_alias = (
423	or return;	564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
424		579
425	aio_rename "$runtime~", $runtime	580	sub coin_from_name($) {
426	and return;	581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
427		585
428	warn "runtime file written.\n";	586	=item $value = cf::db_get $family => $key
429		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
430	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
431	}	711	}
432		712
433	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
434		714
435	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		727
448	#############################################################################	728	#############################################################################
449		729
450	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
451		731
452	Many objects in crossfire are so-called attachable objects. That means you can	732	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")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
455		735
456	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	738	Deliantra).
459		739
460	=over 4	740	=over 4
461		741
462	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
463		743
…		…
507	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
508		788
509	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
511		791
512	Some classes such as crossfire maps and objects can specify attachments	792	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.	793	that are attached at load/instantiate time, thus the need for a name.
514		794
515	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
516		796
517	=over 4	797	=over 4
…		…
665	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
666	}	946	}
667		947
668	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
669	} else {	949	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	951	}
672		952
673	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
674	}	954	}
675		955
…		…
715	";	995	";
716	die if $@;	996	die if $@;
717	}	997	}
718		998
719	our $override;	999	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1001
722	sub override {	1002	sub override {
723	$override = 1;	1003	$override = 1;
724	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
725	}	1005	}
726		1006
727	sub do_invoke {	1007	sub do_invoke {
728	my $event = shift;	1008	my $event = shift;
729	my $callbacks = shift;	1009	my $callbacks = shift;
730		1010
731	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
732		1012
733	local $override;	1013	local $override;
734		1014
735	for (@$callbacks) {	1015	for (@$callbacks) {
736	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
745	}	1025	}
746		1026
747	0	1027	0
748	}	1028	}
749		1029
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1031
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1033
754	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
755		1035
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	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	1037	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1039
760	=back	1040	=back
761		1041
762	=cut	1042	=cut
763		1043
764	#############################################################################	1044	#############################################################################
765	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
766		1088
767	sub reattach {	1089	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1091	my ($obj) = @_;
770		1092
		1093	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1095
773	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
774		1097
775	@$registry = ();	1098	@$registry = ();
776		1099
…		…
791	cf::attachable->attach (	1114	cf::attachable->attach (
792	prio => -1000000,	1115	prio => -1000000,
793	on_instantiate => sub {	1116	on_instantiate => sub {
794	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
795		1118
796	$data = from_json $data;	1119	$data = decode_json $data;
797		1120
798	for (@$data) {	1121	for (@$data) {
799	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
800		1123
801	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1140	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
819		1142
820	sync_job {	1143	sync_job {
821	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
824		1148
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1153	aio_close $fh;
830		1154
831	if (@$objs) {	1155	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1161	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
839	}	1163	}
840	} else {	1164	} else {
841	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
842	}	1166	}
843		1167
844	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1172	} else {
846	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
847	}	1174	}
848	} else {	1175	} else {
849	aio_unlink $filename;	1176	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
851	}	1178	}
852	}	1179	};
853	}	1180	}
854		1181
855	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
857		1184
…		…
869	or return;	1196	or return;
870		1197
871	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
873	or return;	1200	or return;
		1201
874	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
875	}	1204	}
876		1205
		1206	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
879	return ($data, $av);	1210	($data, $av)
880	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
881		1218
882	#############################################################################	1219	#############################################################################
883	# command handling &c	1220	# command handling &c
884		1221
885	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1236	}
900		1237
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1239
903	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
904		1245
905	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
906	called.	1247	called.
907		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
908	=cut	1260	=cut
909		1261
910	sub register_extcmd {	1262	sub register_extcmd {
911	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
912		1264
913	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
914	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
915		1275
916	cf::player->attach (	1276	cf::player->attach (
917	on_command => sub {	1277	on_command => sub {
918	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
919		1279
…		…
927	cf::override;	1287	cf::override;
928	},	1288	},
929	on_extcmd => sub {	1289	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
931		1291
932	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1293
934	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
940	} else {	1309	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1311	}
943		1312
944	cf::override;	1313	cf::override;
945	},	1314	},
946	);	1315	);
947		1316
		1317	# "readahead" all extensions
948	sub load_extension {	1318	sub cache_extensions {
949	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
950		1320
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
952	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1323	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	}	1324	}
976	die $@;
977	}	1325	};
978		1326
979	push @EXTS, $pkg;	1327	$grp
980	}	1328	}
981		1329
982	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
983	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1335	next unless -r $path;
985	eval {	1336
986	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
987	1	1393	}
988	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
989	}	1399	};
990	}	1400	}
991		1401
992	#############################################################################	1402	#############################################################################
993		1403
		1404	=back
		1405
994	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
995		1407
996	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
997		1409
998	=cut	1410	=cut
999		1411
1000	package cf::player;	1412	package cf::player;
1001		1413
1002	use Coro::AIO;	1414	use Coro::AIO;
1003		1415
1004	=head3 cf::player	1416	=head3 cf::player
1005		1417
1006	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1007		1433
1008	=item cf::player::find $login	1434	=item cf::player::find $login
1009		1435
1010	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1011		1437
…		…
1030		1456
1031	sub exists($) {	1457	sub exists($) {
1032	my ($login) = @_;	1458	my ($login) = @_;
1033		1459
1034	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1036	}	1462	}
1037		1463
1038	sub find($) {	1464	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1466	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1477
1052	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1055	}	1487	}
1056	}	1488	}
1057	}	1489	}
1058		1490
…		…
1067	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1068		1500
1069	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1071		1503
		1504	cf::get_slot 0.01;
		1505
1072	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1073	Coro::cede;	1507	cf::cede_to_tick;
1074	}	1508	}
1075		1509
1076	sub new($) {	1510	sub new($) {
1077	my ($login) = @_;	1511	my ($login) = @_;
1078		1512
…		…
1084	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1085		1519
1086	$self	1520	$self
1087	}	1521	}
1088		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1089	=item $pl->quit_character	1533	=item $pl->quit_character
1090		1534
1091	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1093		1537
…		…
1097	my ($pl) = @_;	1541	my ($pl) = @_;
1098		1542
1099	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1100		1544
1101	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1547
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1108		1554
1109	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1592	or return [];
1147		1593
1148	my @logins;	1594	my @logins;
1149		1595
1150	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1154		1606
1155	utf8::decode $login;	1607	utf8::decode $login;
1156	push @logins, $login;	1608	push @logins, $login;
1157	}	1609	}
1158		1610
…		…
1185	}	1637	}
1186		1638
1187	\@paths	1639	\@paths
1188	}	1640	}
1189		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1190	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1191		1647
1192	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1193		1649
1194	=cut	1650	=cut
1195		1651
1196	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1198		1654
1199	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1656	}
1203		1657
1204	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1205		1659
1206	Sends an ext event to the client.	1660	Sends an ext event to the client.
1207		1661
1208	=cut	1662	=cut
1209		1663
1210	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1212		1666
1213	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1214	}	1668	}
1215		1669
1216	=head3 cf::region	1670	=head3 cf::region
1217		1671
1218	=over 4	1672	=over 4
…		…
1221		1675
1222	package cf::region;	1676	package cf::region;
1223		1677
1224	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1225		1679
1226	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1227		1681
1228	=cut	1682	=cut
1229		1683
1230	sub find_by_path($) {	1684	sub find_by_path($) {
1231	my ($path) = @_;	1685	my ($path) = @_;
1232		1686
1233	my ($match, $specificity);	1687	my ($match, $specificity);
1234		1688
1235	for my $region (list) {	1689	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1239	}	1693	}
1240	}	1694	}
1241		1695
…		…
1262	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1264		1718
1265	sub generate_random_map {	1719	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1267	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1725	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1362	return $self;	1819	return $self;
1363	}	1820	}
1364	}	1821	}
1365		1822
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1824	()
1368	}	1825	}
1369		1826
1370	sub init {	1827	sub init {
1371	my ($self) = @_;	1828	my ($self) = @_;
…		…
1393		1850
1394	# the temporary/swap location	1851	# the temporary/swap location
1395	sub save_path {	1852	sub save_path {
1396	my ($self) = @_;	1853	my ($self) = @_;
1397		1854
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1400	}	1857	}
1401		1858
1402	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1403	sub uniq_path {	1860	sub uniq_path {
1404	my ($self) = @_;	1861	my ($self) = @_;
1405		1862
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1865	}
1418		1866
1419	sub decay_objects {	1867	sub decay_objects {
1420	my ($self) = @_;	1868	my ($self) = @_;
1421		1869
…		…
1434		1882
1435	sub load_header_from($) {	1883	sub load_header_from($) {
1436	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1437		1885
1438	utf8::encode $path;	1886	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1444		1895
1445	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1446		1897
1447	1	1898	1
1448	}	1899	}
…		…
1502	sub find {	1953	sub find {
1503	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1504		1955
1505	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1506		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1508		1960
1509	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1512	or return;	1963	or return;
1513		1964
1514	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1515		1966
…		…
1517	or return;	1968	or return;
1518		1969
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1522	$map->reset;	1975	$map->reset;
1523	undef $guard;
1524	return find $path;	1976	return find $path;
1525	}	1977	}
1526		1978
1527	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1528	}	1980	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1538		1990
1539	my $path = $self->{path};	1991	my $path = $self->{path};
1540		1992
1541	{	1993	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1543		1995
		1996	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1998
1546	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1547		2000
1548	$self->alloc;	2001	$self->alloc;
1549		2002
1550	$self->pre_load;	2003	$self->pre_load;
1551	Coro::cede;	2004	cf::cede_to_tick;
1552		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1554	or return;	2009	or return;
1555		2010
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1557	if delete $self->{load_original};	2012	if delete $self->{load_original};
1558		2013
1559	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2015	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2018	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1564	}	2022	}
1565	}	2023	}
1566		2024
1567	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1568	# now do the right thing for maps	2028	# now do the right thing for maps
1569	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2031	unless $self->difficulty;
1572	Coro::cede;	2032	cf::cede_to_tick;
1573		2033
1574	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2035	$self->decay_objects;
1576	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1577	$self->update_buttons;	2037	$self->update_buttons;
1578	Coro::cede;	2038	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2039	$self->activate;
1582	}	2040	}
1583		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2046	}
1586		2047
1587	$self->post_load;	2048	$self->post_load;
1588	}	2049	}
1589		2050
…		…
1598		2059
1599	$self	2060	$self
1600	}	2061	}
1601		2062
1602	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2064	sub load_neighbours {
1604	my ($map) = @_;	2065	my ($map) = @_;
1605		2066
1606	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1607		2068
1608	for (0 .. 3) {	2069	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1610	or next;	2071	or next;
1611	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1612	or next;	2073	or next;
1613	$neigh->load;	2074	$neigh->load;
1614		2075
		2076	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2079	}
1618		2080
1619	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1621	or next;	2084	or next;
1622	$neigh->load;	2085	$neigh->load;
1623	}	2086	}
1624	}	2087	}
1625		2088
…		…
1630	}	2093	}
1631		2094
1632	sub do_load_sync {	2095	sub do_load_sync {
1633	my ($map) = @_;	2096	my ($map) = @_;
1634		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1635	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1636	}	2102	}
1637		2103
1638	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1640		2106
1641	sub find_async {	2107	sub find_async {
1642	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1643		2109
1644	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1645		2111
1646	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2114	}
1649		2115
1650	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1651	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1652	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2123	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2124	$map->load if $v;
		2125	}
1657		2126
1658	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1659	}	2128	}
1660	}	2129	}
1661	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1662	};	2131	};
1663	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2135	}
1667		2136
1668	sub save {	2137	sub save {
1669	my ($self) = @_;	2138	my ($self) = @_;
1670		2139
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2141
1673	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1674		2143
1675	return unless $self->dirty;	2144	return unless $self->dirty;
1676		2145
…		…
1682	return if $self->{deny_save};	2151	return if $self->{deny_save};
1683		2152
1684	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1685		2154
1686	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1688	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1689		2161
1690	if ($uniq) {	2162	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2165	} else {
…		…
1699	my ($self) = @_;	2171	my ($self) = @_;
1700		2172
1701	# save first because save cedes	2173	# save first because save cedes
1702	$self->save;	2174	$self->save;
1703		2175
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2177
1706	return if $self->players;	2178	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2180	return if $self->{deny_save};
1709		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2186	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2187	}
1713		2188
1714	sub reset_at {	2189	sub reset_at {
1715	my ($self) = @_;	2190	my ($self) = @_;
1716		2191
…		…
1748	if $uniq;	2223	if $uniq;
1749	}	2224	}
1750		2225
1751	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1752		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2230	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2231
1757	$self->unlink_save;	2232	$self->unlink_save;
1758	$self->destroy;	2233	$self->destroy;
1759	}	2234	}
1760		2235
1761	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1762		2237
1763	sub nuke {	2238	sub nuke {
1764	my ($self) = @_;	2239	my ($self) = @_;
1765		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1766	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1767		2245
1768	$self->unlink_save;	2246	$self->unlink_save;
1769		2247
1770	bless $self, "cf::map";	2248	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2253
1776	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1777		2256
1778	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1779	}	2294	}
1780		2295
1781	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1782		2297
1783	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2299	instantiated unique items. May block.
1785		2300
1786	=cut	2301	=cut
1787		2302
1788	sub unique_maps() {	2303	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2304	[
1790	or return;	2305	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2306	utf8::decode $_;
1796	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2309	? ()
1799	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2312	]
1801
1802	\@paths
1803	}	2313	}
1804
1805	package cf;
1806		2314
1807	=back	2315	=back
1808		2316
1809	=head3 cf::object	2317	=head3 cf::object
1810		2318
…		…
1814		2322
1815	=over 4	2323	=over 4
1816		2324
1817	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1818		2326
1819	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1820		2329
1821	=cut	2330	=cut
1822		2331
1823	sub inv_recursive_;	2332	sub inv_recursive_;
1824	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1827		2336
1828	sub inv_recursive {	2337	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1830	}	2339	}
1831		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1832	package cf;	2369	package cf;
1833		2370
1834	=back	2371	=back
1835		2372
1836	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1845		2382
1846	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1847		2398
1848	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2400	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1853		2404
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2406
1856	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1858	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1861	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1862	}	2432	}
1863		2433
1864	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1865		2435
1866	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1879		2449
1880	=item $player_object->enter_link	2450	=item $player_object->enter_link
1881		2451
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2453
1884	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1886		2458
1887	Will never block.	2459	Will never block.
1888		2460
1889	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1890		2462
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1948		2520
1949	$map->load;	2521	$map->load;
1950	$map->load_diag;	2522	$map->load_neighbours;
1951		2523
1952	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1953	$self->activate_recursive;	2526	$self->activate_recursive;
1954		2527
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1957	}	2530	}
1958		2531
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2533
1961	Moves the player to the given map-path and coordinates by first freezing	2534	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2537	the new (success) or old (failed) map position. In either case, $done will
		2538	be called at the end of this process.
		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
1965		2542
1966	=cut	2543	=cut
1967		2544
1968	our $GOTOGEN;	2545	our $GOTOGEN;
1969		2546
1970	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2549
1973	# do generation counting so two concurrent goto's will be executed in-order	2550	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2552
1976	$self->enter_link;	2553	$self->enter_link;
1977		2554
1978	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1979	my $map = eval {	2577	my $map = eval {
1980	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
1981		2579
1982	if ($map) {	2580	if ($map) {
1983	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
1985	} else {	2583	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2585	}
1988		2586
1989	$map	2587	$map
1990	};	2588	};
1991		2589
…		…
1996		2594
1997	if ($gen == $self->{_goto_generation}) {	2595	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2596	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
2000	}	2598	}
		2599
		2600	$done->() if $done;
2001	})->prio (1);	2601	})->prio (1);
2002	}	2602	}
2003		2603
2004	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
2005		2605
…		…
2025	}	2625	}
2026		2626
2027	sub prepare_random_map {	2627	sub prepare_random_map {
2028	my ($exit) = @_;	2628	my ($exit) = @_;
2029		2629
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2632	# that depends on the exit object
2035		2633
2036	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2636	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2043	}	2643	}
2044		2644
2045	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2046		2646
2047	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2050		2650
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2653	undef $fh;
2054	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2055		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2058	}	2662	}
2059	}	2663	}
2060		2664
2061	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2063		2667
2064	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2065		2669
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2670	$self->enter_link;
2078		2671
2079	(async {	2672	(async {
2080	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2081	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2082	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2083		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2084	1;	2696	1
2085	}) {	2697	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2702
2091	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2110		2722
2111	utf8::encode $text;	2723	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2725	}
2114		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
2115	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2116		2881
2117	Sends an exti event to the client.	2882	Sends an ext event to the client.
2118		2883
2119	=cut	2884	=cut
2120		2885
2121	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2123		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
2126	}	2913	}
2127		2914
2128	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2129		2916
2130	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2920
2134	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2922	become reliable at some point in the future.
2136		2923
2137	=cut	2924	=cut
2138		2925
2139	sub cf::client::query {	2926	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2935	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2937
2151	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2153	}	2942	}
2154		2943
2155	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2156	on_reply => sub {	2950	on_reply => sub {
2157	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2158		2952
2159	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2160	# get handled first	2954	# get handled first
…		…
2172	} else {	2966	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2968	}
2175	}	2969	}
2176	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2177	);	2997	);
2178		2998
2179	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2180		3000
2181	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2224		3044
2225	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2226		3046
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2228		3052
2229	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2230		3054
2231	=pod	3055	=pod
2232		3056
2233	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2234		3058
2235	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2236	cf::object::player player	3063	cf::object::player
2237	cf::player peaceful	3064	player
2238	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2239		3071
2240	=cut	3072	=cut
2241		3073
2242	for (	3074	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2244	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2247	) {	3081	) {
2248	no strict 'refs';	3082	no strict 'refs';
…		…
2319	=back	3153	=back
2320		3154
2321	=cut	3155	=cut
2322		3156
2323	#############################################################################	3157	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3158	# the server's init and main functions
2497		3159
2498	sub load_facedata($) {	3160	sub load_facedata($) {
2499	my ($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;
2500		3168
2501	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2502		3170
2503	my $facedata;	3171	my $facedata;
2504	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2508		3176
2509	$facedata->{version} == 2	3177	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		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
2512	{	3187	{
2513	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2514		3189
2515	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3197
		3198	cf::cede_to_tick;
2521	}	3199	}
2522		3200
2523	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2525	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2526	or next;	3205	or next;
		3206
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3210	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3212	}
2532	Coro::cede;	3213
		3214	cf::cede_to_tick;
2533	}	3215	}
2534	}	3216	}
2535		3217
2536	{	3218	{
2537	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2538		3220
2539	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3223	cf::cede_to_tick;
2542	}	3224	}
2543		3225
2544	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2545	}	3227	}
2546		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
2547	1	3264	1
2548	}	3265	}
2549		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	$status
		3303	}
		3304
2550	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2551	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2552	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 $_->{match};
		3316	}
2553	}	3317	}
2554		3318
2555	sub reload_facedata {	3319	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2568	}	3332	}
2569		3333
2570	sub reload_resources {	3334	sub reload_resources {
2571	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2572		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2573	reload_regions;	3339	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3340	reload_treasures;
2578		3341
2579	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2580	}	3343	}
2581		3344
2582	sub init {	3345	sub reload_config {
2583	reload_resources;
2584	}
2585
2586	sub cfg_load {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3347	or return;
2589		3348
2590	local $/;	3349	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2592		3351
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3353
2595	$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};
2596	$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};
…		…
2602	};	3361	};
2603	warn $@ if $@;	3362	warn $@ if $@;
2604	}	3363	}
2605	}	3364	}
2606		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
2607	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
2608	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2610	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#
2611	(async {	3403	(async {
2612	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2614	};	3407	};
2615		3408
2616	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2617	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
2618	load_extensions;	3427	load_extensions;
2619		3428
2620	$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
2621	Event::loop;	3437	EV::loop;
2622	}	3438	}
2623		3439
2624	#############################################################################	3440	#############################################################################
2625	# initialisation and cleanup	3441	# initialisation and cleanup
2626		3442
2627	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2628	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2637	},
2638	);	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
2639	}	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 };
2640	}	3537	}
2641		3538
2642	sub emergency_save() {	3539	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2644		3541
2645	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2646		3543
2647	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
2648	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3558	$pl->save;
2656	}	3559	}
2657	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2658		3561
2659	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3565	$map->valid or next;
2663	$map->save;	3566	$map->save;
2664	}	3567	}
2665	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2666		3569
2667	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2670	};	3577	};
2671		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2672	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2673	}	3585	}
2674		3586
2675	sub post_cleanup {	3587	sub post_cleanup {
2676	my ($make_core) = @_;	3588	my ($make_core) = @_;
2677		3589
2678	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2679	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#
2680	}	3621	}
2681		3622
2682	sub do_reload_perl() {	3623	sub do_reload_perl() {
2683	# can/must only be called in main	3624	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2685	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2686	return;	3627	return;
2687	}	3628	}
2688		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2689	warn "reloading...";	3635	warn "reloading...";
2690		3636
2691	warn "entering sync_job";	3637	warn "entering sync_job";
2692		3638
2693	cf::sync_job {	3639	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3641	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2697		3643
2698	warn "syncing database to disk";	3644	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3646
2701	# 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
2702		3648
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2714	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();
2722
2723	warn "removing commands";
2724	%COMMAND = ();
2725
2726	warn "removing ext commands";
2727	%EXTCMD = ();
2728
2729	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";
2732
2733	if (my $cb = $pkg->can ("unload")) {
2734	eval {
2735	$cb->($pkg);
2736	1
2737	} or warn "$pkg unloaded, but with errors: $@";
2738	}	3652	}
2739		3653
2740	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2741	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2742	}	3656	%EXT_CORO = ();
2743		3657
2744	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2745	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2748	warn "... unloading $k";	3667	warn "... unloading $pkg";
2749	delete $INC{$k};
2750		3668
2751	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;
2753
2754	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2755	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2756	}	3678	}
2757		3679
2758	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;
2759	}	3695	}
2760		3696
2761	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2763	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);
2764		3700
2765	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/pod.pm"};
2768		3704
2769	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3706	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2772		3708
2773	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2774		3710
2775	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2776	require cf;	3712	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3714
2779	warn "loading config and database again";	3715	warn "loading config and database again";
2780	cf::cfg_load;	3716	cf::reload_config;
2781		3717
2782	warn "loading extensions";	3718	warn "loading extensions";
2783	cf::load_extensions;	3719	cf::load_extensions;
2784		3720
		3721	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2791		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
2792	warn "leaving sync_job";	3733	warn "leaving sync_job";
2793		3734
2794	1	3735	1
2795	} or do {	3736	} or do {
2796	warn $@;	3737	warn $@;
2797	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3739	};
2800		3740
2801	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
2802	};	3747	};
2803		3748
2804	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
2805		3750
2806	sub reload_perl() {	3751	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
2809		3754
2810	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	3757
2813	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	3759	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
2817	},	3761	};
2818	);	3762	};
2819	}	3763	}
2820		3764
2821	register_command "reload" => sub {	3765	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2823		3767
2824	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3772	reload_perl;
		3773	};
2827	}	3774	}
2828	};	3775	};
2829		3776
2830	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2831		3778
…		…
2833		3780
2834	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2836		3783
2837	sub wait_for_tick {	3784	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2840		3786
2841	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3789	$signal->wait;
2844	}	3790	}
2845		3791
2846	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2849		3794
2850	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3797	$signal->wait;
2853	}	3798	}
2854		3799
2855	my $min = 1e6;#d#	3800	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2865	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"
2866	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2867	return;	3804	return;
2868	}	3805	}
2869		3806
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2873		3808
2874	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	3811	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
2878	or die;	3813	write_runtime_sync
2879		3814	or warn "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3815	};
		3816	}
2896		3817
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3819	$sig->send;
2913	}	3820	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3822	$sig->send;
2916	}	3823	}
2917		3824
2918	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3827
2929	_post_tick;	3828	if (0) {
2930		3829	if ($NEXT_TICK) {
2931		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
2932	},	3834	}
2933	);	3835	}
2934		3836
2935	{	3837	{
2936	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3839
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2946		3841	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3843
2962	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2963	$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);
2964		3851
2965	cf::sync_job {	3852	cf::sync_job {
2966	eval {	3853	eval {
2967	BDB::db_env_open	3854	BDB::db_env_open
2968	$DB_ENV,	3855	$DB_ENV,
…		…
2970	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
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3859	0666;
2973		3860
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3862	};
2979		3863
2980	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3865	};
2982	}	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	};
2983	}	3877	}
2984		3878
2985	{	3879	{
		3880	# configure IO::AIO
		3881
2986	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3885	}
2999		3886
3000	my $_log_backtrace;	3887	my $_log_backtrace;
3001		3888
3002	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3005	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3006		3893
3007	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3010	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3011	my @bt = fork_call {	3901	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	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 |"
3015	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3023	}	3913	}
3024		3914
3025	@funcs	3915	@funcs
3026	};	3916	};
3027		3917
3028	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	3921	--$_log_backtrace;
3031	};	3922	};
3032	} else {	3923	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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