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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.463 by root, Sun Dec 28 06:59:27 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
1779	}	2258	}
1780		2259
1781	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
1823		2302
1824	sub unique_maps() {	2303	sub unique_maps() {
1825	[	2304	[
1826	map {	2305	map {
1827	utf8::decode $_;	2306	utf8::decode $_;
1828	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
1829	? normalise $_	2310	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2312	]
1833	}	2313	}
1834		2314
1835	package cf;
1836
1837	=back	2315	=back
1838		2316
1839	=head3 cf::object	2317	=head3 cf::object
1840		2318
1841	=cut	2319	=cut
…		…
1844		2322
1845	=over 4	2323	=over 4
1846		2324
1847	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1848		2326
1849	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.
1850		2329
1851	=cut	2330	=cut
1852		2331
1853	sub inv_recursive_;	2332	sub inv_recursive_;
1854	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1857		2336
1858	sub inv_recursive {	2337	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1860	}	2339	}
1861		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
1862	package cf;	2369	package cf;
1863		2370
1864	=back	2371	=back
1865		2372
1866	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1872	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>
1873	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
1874	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1875		2382
1876	=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	};
1877		2398
1878	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2400	# with dialog boxes.
1880	#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
1881	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1883		2404
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2406
1886	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1888	} 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 {
1889	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1891	}	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 (@_);
1892	}	2432	}
1893		2433
1894	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1895		2435
1896	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1909		2449
1910	=item $player_object->enter_link	2450	=item $player_object->enter_link
1911		2451
1912	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}>).
1913		2453
1914	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.
1915	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.
1916		2458
1917	Will never block.	2459	Will never block.
1918		2460
1919	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1920		2462
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1978		2520
1979	$map->load;	2521	$map->load;
1980	$map->load_diag;	2522	$map->load_neighbours;
1981		2523
1982	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1983	$self->activate_recursive;	2526	$self->activate_recursive;
1984		2527
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1987	}	2530	}
1988		2531
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2533
1991	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
1992	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
1993	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
1994	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 >>.
1995		2542
1996	=cut	2543	=cut
1997		2544
1998	our $GOTOGEN;	2545	our $GOTOGEN;
1999		2546
2000	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2549
2003	# 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
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2552
2006	$self->enter_link;	2553	$self->enter_link;
2007		2554
2008	(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
2009	my $map = eval {	2577	my $map = eval {
2010	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2011		2579
2012	if ($map) {	2580	if ($map) {
2013	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2015	} else {	2583	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2585	}
2018		2586
2019	$map	2587	$map
2020	};	2588	};
2021		2589
…		…
2026		2594
2027	if ($gen == $self->{_goto_generation}) {	2595	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2596	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
2030	}	2598	}
		2599
		2600	$done->() if $done;
2031	})->prio (1);	2601	})->prio (1);
2032	}	2602	}
2033		2603
2034	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
2035		2605
…		…
2055	}	2625	}
2056		2626
2057	sub prepare_random_map {	2627	sub prepare_random_map {
2058	my ($exit) = @_;	2628	my ($exit) = @_;
2059		2629
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2632	# that depends on the exit object
2065		2633
2066	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2636	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2073	}	2643	}
2074		2644
2075	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2076		2646
2077	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2080		2650
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2653	undef $fh;
2084	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2085		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2088	}	2662	}
2089	}	2663	}
2090		2664
2091	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2093		2667
2094	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2095		2669
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2670	$self->enter_link;
2108		2671
2109	(async {	2672	(async {
2110	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2111	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
2112	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2113		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
2114	1;	2696	1
2115	}) {	2697	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "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. "
2118	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2120		2702
2121	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2140		2722
2141	utf8::encode $text;	2723	utf8::encode $text;
2142	$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);
2143	}	2725	}
2144		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	$channel = $channel->{id};
		2816
		2817	} elsif (ref $channel) {
		2818	# send meta info to client, if not yet sent
		2819	unless (exists $self->{channel}{$channel->{id}}) {
		2820	$self->{channel}{$channel->{id}} = $channel;
		2821	$self->ext_msg (channel_info => $channel);
		2822	}
		2823
		2824	$channel = $channel->{id};
		2825	}
		2826
		2827	return unless @extra || length $msg;
		2828
		2829	# default colour, mask it out
		2830	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2831	if $color & cf::NDI_DEF;
		2832
		2833	my $pkt = "msg "
		2834	. $self->{json_coder}->encode (
		2835	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2836	);
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if (8192 < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
2145	=item $client->ext_event ($type, %msg)	2851	=item $client->ext_msg ($type, @msg)
2146		2852
2147	Sends an exti event to the client.	2853	Sends an ext event to the client.
2148		2854
2149	=cut	2855	=cut
2150		2856
2151	sub cf::client::ext_event($$%) {	2857	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2858	my ($self, $type, @msg) = @_;
2153		2859
		2860	if ($self->extcmd == 2) {
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2862	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2863	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2864	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2865	}
		2866	}
		2867
		2868	=item $client->ext_reply ($msgid, @msg)
		2869
		2870	Sends an ext reply to the client.
		2871
		2872	=cut
		2873
		2874	sub cf::client::ext_reply($$@) {
		2875	my ($self, $id, @msg) = @_;
		2876
		2877	if ($self->extcmd == 2) {
		2878	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2879	} elsif ($self->extcmd == 1) {
		2880	#TODO: version 1, remove
		2881	unshift @msg, msgtype => "reply", msgid => $id;
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2883	}
2156	}	2884	}
2157		2885
2158	=item $success = $client->query ($flags, "text", \&cb)	2886	=item $success = $client->query ($flags, "text", \&cb)
2159		2887
2160	Queues a query to the client, calling the given callback with	2888	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2889	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2890	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2891
2164	Queries can fail, so check the return code. Or don't, as queries will become	2892	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2893	become reliable at some point in the future.
2166		2894
2167	=cut	2895	=cut
2168		2896
2169	sub cf::client::query {	2897	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2898	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2906	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2907	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2908
2181	$self->send_packet ($self->{query_queue}[0][0])	2909	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2910	if @{ $self->{query_queue} } == 1;
		2911
		2912	1
2183	}	2913	}
2184		2914
2185	cf::client->attach (	2915	cf::client->attach (
		2916	on_connect => sub {
		2917	my ($ns) = @_;
		2918
		2919	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2920	},
2186	on_reply => sub {	2921	on_reply => sub {
2187	my ($ns, $msg) = @_;	2922	my ($ns, $msg) = @_;
2188		2923
2189	# this weird shuffling is so that direct followup queries	2924	# this weird shuffling is so that direct followup queries
2190	# get handled first	2925	# get handled first
…		…
2202	} else {	2937	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2938	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2939	}
2205	}	2940	}
2206	},	2941	},
		2942	on_exticmd => sub {
		2943	my ($ns, $buf) = @_;
		2944
		2945	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2946
		2947	if (ref $msg) {
		2948	my ($type, $reply, @payload) =
		2949	"ARRAY" eq ref $msg
		2950	? @$msg
		2951	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2952
		2953	my @reply;
		2954
		2955	if (my $cb = $EXTICMD{$type}) {
		2956	@reply = $cb->($ns, @payload);
		2957	}
		2958
		2959	$ns->ext_reply ($reply, @reply)
		2960	if $reply;
		2961
		2962	} else {
		2963	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2964	}
		2965
		2966	cf::override;
		2967	},
2207	);	2968	);
2208		2969
2209	=item $client->async (\&cb)	2970	=item $client->async (\&cb)
2210		2971
2211	Create a new coroutine, running the specified callback. The coroutine will	2972	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	3013	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3014	our $safe_hole = new Safe::Hole;
2254		3015
2255	$SIG{FPE} = 'IGNORE';	3016	$SIG{FPE} = 'IGNORE';
2256		3017
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3018	$safe->permit_only (Opcode::opset qw(
		3019	:base_core :base_mem :base_orig :base_math
		3020	grepstart grepwhile mapstart mapwhile
		3021	sort time
		3022	));
2258		3023
2259	# here we export the classes and methods available to script code	3024	# here we export the classes and methods available to script code
2260		3025
2261	=pod	3026	=pod
2262		3027
2263	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
2264		3029
2265	cf::object contr pay_amount pay_player map	3030	cf::object
		3031	contr pay_amount pay_player map x y force_find force_add destroy
		3032	insert remove name archname title slaying race decrease split
		3033
2266	cf::object::player player	3034	cf::object::player
2267	cf::player peaceful	3035	player
2268	cf::map trigger	3036
		3037	cf::player
		3038	peaceful
		3039
		3040	cf::map
		3041	trigger
2269		3042
2270	=cut	3043	=cut
2271		3044
2272	for (	3045	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3046	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3047	insert remove inv nrof name archname title slaying race
		3048	decrease split destroy change_exp)],
2274	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
2277	) {	3052	) {
2278	no strict 'refs';	3053	no strict 'refs';
…		…
2349	=back	3124	=back
2350		3125
2351	=cut	3126	=cut
2352		3127
2353	#############################################################################	3128	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3129	# the server's init and main functions
2527		3130
2528	sub load_facedata($) {	3131	sub load_facedata($) {
2529	my ($path) = @_;	3132	my ($path) = @_;
		3133
		3134	# HACK to clear player env face cache, we need some signal framework
		3135	# for this (global event?)
		3136	%ext::player_env::MUSIC_FACE_CACHE = ();
		3137
		3138	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3139
2531	warn "loading facedata from $path\n";	3140	warn "loading facedata from $path\n";
2532		3141
2533	my $facedata;	3142	my $facedata;
2534	0 < aio_load $path, $facedata	3143	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3146	$facedata = Coro::Storable::thaw $facedata;
2538		3147
2539	$facedata->{version} == 2	3148	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3149	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3150
		3151	# patch in the exptable
		3152	$facedata->{resource}{"res/exp_table"} = {
		3153	type => FT_RSRC,
		3154	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3155	};
		3156	cf::cede_to_tick;
		3157
2542	{	3158	{
2543	my $faces = $facedata->{faceinfo};	3159	my $faces = $facedata->{faceinfo};
2544		3160
2545	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3162	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3163
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3164	cf::face::set_visibility $idx, $info->{visibility};
		3165	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3166	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3167	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3168
		3169	cf::cede_to_tick;
2551	}	3170	}
2552		3171
2553	while (my ($face, $info) = each %$faces) {	3172	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3173	next unless $info->{smooth};
		3174
2555	my $idx = cf::face::find $face	3175	my $idx = cf::face::find $face
2556	or next;	3176	or next;
		3177
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3178	if (my $smooth = cf::face::find $info->{smooth}) {
		3179	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3180	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3181	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3182	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3183	}
2562	Coro::cede;	3184
		3185	cf::cede_to_tick;
2563	}	3186	}
2564	}	3187	}
2565		3188
2566	{	3189	{
2567	my $anims = $facedata->{animinfo};	3190	my $anims = $facedata->{animinfo};
2568		3191
2569	while (my ($anim, $info) = each %$anims) {	3192	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3193	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3194	cf::cede_to_tick;
2572	}	3195	}
2573		3196
2574	cf::anim::invalidate_all; # d'oh	3197	cf::anim::invalidate_all; # d'oh
2575	}	3198	}
2576		3199
		3200	{
		3201	# TODO: for gcfclient pleasure, we should give resources
		3202	# that gcfclient doesn't grok a >10000 face index.
		3203	my $res = $facedata->{resource};
		3204
		3205	while (my ($name, $info) = each %$res) {
		3206	if (defined $info->{type}) {
		3207	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3208	my $data;
		3209
		3210	if ($info->{type} & 1) {
		3211	# prepend meta info
		3212
		3213	my $meta = $enc->encode ({
		3214	name => $name,
		3215	%{ $info->{meta} || {} },
		3216	});
		3217
		3218	$data = pack "(w/a*)*", $meta, $info->{data};
		3219	} else {
		3220	$data = $info->{data};
		3221	}
		3222
		3223	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3224	cf::face::set_type $idx, $info->{type};
		3225	} else {
		3226	$RESOURCE{$name} = $info;
		3227	}
		3228
		3229	cf::cede_to_tick;
		3230	}
		3231	}
		3232
		3233	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3234
2577	1	3235	1
2578	}	3236	}
2579		3237
		3238	cf::global->attach (on_resource_update => sub {
		3239	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3240	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3241
		3242	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3243	my $sound = $soundconf->{compat}[$_]
		3244	or next;
		3245
		3246	my $face = cf::face::find "sound/$sound->[1]";
		3247	cf::sound::set $sound->[0] => $face;
		3248	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3249	}
		3250
		3251	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3252	my $face = cf::face::find "sound/$v";
		3253	cf::sound::set $k => $face;
		3254	}
		3255	}
		3256	});
		3257
		3258	register_exticmd fx_want => sub {
		3259	my ($ns, $want) = @_;
		3260
		3261	while (my ($k, $v) = each %$want) {
		3262	$ns->fx_want ($k, $v);
		3263	}
		3264	};
		3265
		3266	sub load_resource_file($) {
		3267	my $guard = lock_acquire "load_resource_file";
		3268
		3269	my $status = load_resource_file_ $_[0];
		3270	get_slot 0.1, 100;
		3271	cf::arch::commit_load;
		3272
		3273	$status
		3274	}
		3275
2580	sub reload_regions {	3276	sub reload_regions {
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
		3280
2581	load_resource_file "$MAPDIR/regions"	3281	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3282	or die "unable to load regions file\n";
		3283
		3284	for (cf::region::list) {
		3285	$_->{match} = qr/$_->{match}/
		3286	if exists $_->{match};
		3287	}
2583	}	3288	}
2584		3289
2585	sub reload_facedata {	3290	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3291	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3292	or die "unable to load facedata\n";
…		…
2598	}	3303	}
2599		3304
2600	sub reload_resources {	3305	sub reload_resources {
2601	warn "reloading resource files...\n";	3306	warn "reloading resource files...\n";
2602		3307
		3308	reload_facedata;
		3309	reload_archetypes;
2603	reload_regions;	3310	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3311	reload_treasures;
2608		3312
2609	warn "finished reloading resource files\n";	3313	warn "finished reloading resource files\n";
2610	}	3314	}
2611		3315
2612	sub init {	3316	sub reload_config {
2613	reload_resources;
2614	}
2615
2616	sub cfg_load {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3318	or return;
2619		3319
2620	local $/;	3320	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
2622		3322
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2624		3324
2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3325	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3326	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2632	};	3332	};
2633	warn $@ if $@;	3333	warn $@ if $@;
2634	}	3334	}
2635	}	3335	}
2636		3336
		3337	sub pidfile() {
		3338	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3339	or die "$PIDFILE: $!";
		3340	flock $fh, &Fcntl::LOCK_EX
		3341	or die "$PIDFILE: flock: $!";
		3342	$fh
		3343	}
		3344
		3345	# make sure only one server instance is running at any one time
		3346	sub atomic {
		3347	my $fh = pidfile;
		3348
		3349	my $pid = <$fh>;
		3350	kill 9, $pid if $pid > 0;
		3351
		3352	seek $fh, 0, 0;
		3353	print $fh $$;
		3354	}
		3355
2637	sub main {	3356	sub main {
		3357	cf::init_globals; # initialise logging
		3358
		3359	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3360	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3361	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3362	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3363
		3364	cf::init_experience;
		3365	cf::init_anim;
		3366	cf::init_attackmess;
		3367	cf::init_dynamic;
		3368
		3369	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3370
2638	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3374	(async {
2642	Event::one_event;	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3376	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
2644	};	3378	};
2645		3379
2646	cfg_load;	3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
		3384	reload_config;
2647	db_init;	3385	db_init;
		3386
		3387	cf::load_settings;
		3388	cf::load_materials;
		3389	cf::init_uuid;
		3390	cf::init_signals;
		3391	cf::init_commands;
		3392	cf::init_skills;
		3393
		3394	cf::init_beforeplay;
		3395
		3396	atomic;
		3397
2648	load_extensions;	3398	load_extensions;
2649		3399
2650	$TICK_WATCHER->start;	3400	utime time, time, $RUNTIMEFILE;
		3401
		3402	# no (long-running) fork's whatsoever before this point(!)
		3403	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3404
		3405	(pop @POST_INIT)->(0) while @POST_INIT;
		3406	};
		3407
2651	Event::loop;	3408	EV::loop;
2652	}	3409	}
2653		3410
2654	#############################################################################	3411	#############################################################################
2655	# initialisation and cleanup	3412	# initialisation and cleanup
2656		3413
2657	# install some emergency cleanup handlers	3414	# install some emergency cleanup handlers
2658	BEGIN {	3415	BEGIN {
		3416	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3417	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3418	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
2667	},
2668	);	3420	};
		3421	}
		3422	}
		3423
		3424	sub write_runtime_sync {
		3425	# first touch the runtime file to show we are still running:
		3426	# the fsync below can take a very very long time.
		3427
		3428	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3429
		3430	my $guard = cf::lock_acquire "write_runtime";
		3431
		3432	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3433	or return;
		3434
		3435	my $value = $cf::RUNTIME + 90 + 10;
		3436	# 10 is the runtime save interval, for a monotonic clock
		3437	# 60 allows for the watchdog to kill the server.
		3438
		3439	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3440	and return;
		3441
		3442	# always fsync - this file is important
		3443	aio_fsync $fh
		3444	and return;
		3445
		3446	# touch it again to show we are up-to-date
		3447	aio_utime $fh, undef, undef;
		3448
		3449	close $fh
		3450	or return;
		3451
		3452	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3453	and return;
		3454
		3455	warn "runtime file written.\n";
		3456
2669	}	3457	1
		3458	}
		3459
		3460	our $uuid_lock;
		3461	our $uuid_skip;
		3462
		3463	sub write_uuid_sync($) {
		3464	$uuid_skip ||= $_[0];
		3465
		3466	return if $uuid_lock;
		3467	local $uuid_lock = 1;
		3468
		3469	my $uuid = "$LOCALDIR/uuid";
		3470
		3471	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = uuid_seq uuid_cur;
		3475
		3476	unless ($value) {
		3477	warn "cowardly refusing to write zero uuid value!\n";
		3478	return;
		3479	}
		3480
		3481	my $value = uuid_str $value + $uuid_skip;
		3482	$uuid_skip = 0;
		3483
		3484	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3485	and return;
		3486
		3487	# always fsync - this file is important
		3488	aio_fsync $fh
		3489	and return;
		3490
		3491	close $fh
		3492	or return;
		3493
		3494	aio_rename "$uuid~", $uuid
		3495	and return;
		3496
		3497	warn "uuid file written ($value).\n";
		3498
		3499	1
		3500
		3501	}
		3502
		3503	sub write_uuid($$) {
		3504	my ($skip, $sync) = @_;
		3505
		3506	$sync ? write_uuid_sync $skip
		3507	: async { write_uuid_sync $skip };
2670	}	3508	}
2671		3509
2672	sub emergency_save() {	3510	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
2674		3512
2675	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
2676		3514
2677	cf::sync_job {	3515	cf::sync_job {
		3516	# this is a trade-off: we want to be very quick here, so
		3517	# save all maps without fsync, and later call a global sync
		3518	# (which in turn might be very very slow)
		3519	local $USE_FSYNC = 0;
		3520
2678	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
2679	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
2680	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
2682	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3529	$pl->save;
2686	}	3530	}
2687	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
2688		3532
2689	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
2690	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
2691	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2692	$map->valid or next;	3536	$map->valid or next;
2693	$map->save;	3537	$map->save;
2694	}	3538	}
2695	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
2696		3540
2697	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
2700	};	3548	};
2701		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
2702	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
2703	}	3556	}
2704		3557
2705	sub post_cleanup {	3558	sub post_cleanup {
2706	my ($make_core) = @_;	3559	my ($make_core) = @_;
2707		3560
2708	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
2709	if $make_core;	3562	if $make_core;
		3563
		3564	my $fh = pidfile;
		3565	unlink $PIDFILE if <$fh> == $$;
		3566	}
		3567
		3568	# a safer delete_package, copied from Symbol
		3569	sub clear_package($) {
		3570	my $pkg = shift;
		3571
		3572	# expand to full symbol table name if needed
		3573	unless ($pkg =~ /^main::.*::$/) {
		3574	$pkg = "main$pkg" if $pkg =~ /^::/;
		3575	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3576	$pkg .= '::' unless $pkg =~ /::$/;
		3577	}
		3578
		3579	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3580	my $stem_symtab = *{$stem}{HASH};
		3581
		3582	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3583	or return;
		3584
		3585	# clear all symbols
		3586	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3587	for my $name (keys %$leaf_symtab) {
		3588	_gv_clear *{"$pkg$name"};
		3589	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3590	}
		3591	warn "cleared package $pkg\n";#d#
2710	}	3592	}
2711		3593
2712	sub do_reload_perl() {	3594	sub do_reload_perl() {
2713	# can/must only be called in main	3595	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2715	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
2716	return;	3598	return;
2717	}	3599	}
2718		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
2719	warn "reloading...";	3606	warn "reloading...";
2720		3607
2721	warn "entering sync_job";	3608	warn "entering sync_job";
2722		3609
2723	cf::sync_job {	3610	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
2725	cf::emergency_save;	3612	cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
2727		3614
2728	warn "syncing database to disk";	3615	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3617
2731	# if anything goes wrong in here, we should simply crash as we already saved	3618	# if anything goes wrong in here, we should simply crash as we already saved
2732		3619
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
2744	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();
2752
2753	warn "removing commands";
2754	%COMMAND = ();
2755
2756	warn "removing ext commands";
2757	%EXTCMD = ();
2758
2759	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";
2762
2763	if (my $cb = $pkg->can ("unload")) {
2764	eval {
2765	$cb->($pkg);
2766	1
2767	} or warn "$pkg unloaded, but with errors: $@";
2768	}	3623	}
2769		3624
2770	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
2771	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
2772	}	3627	%EXT_CORO = ();
2773		3628
2774	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
2775	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
2778	warn "... unloading $k";	3638	warn "... unloading $pkg";
2779	delete $INC{$k};
2780		3639
2781	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;
2783
2784	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
2785	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
2786	}	3649	}
2787		3650
2788	Symbol::delete_package $k;	3651	warn "unloading all perl modules loaded from $LIBDIR";
		3652	while (my ($k, $v) = each %INC) {
		3653	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3654
		3655	warn "... unloading $k";
		3656	delete $INC{$k};
		3657
		3658	$k =~ s/\.pm$//;
		3659	$k =~ s/\//::/g;
		3660
		3661	if (my $cb = $k->can ("unload_module")) {
		3662	$cb->();
		3663	}
		3664
		3665	clear_package $k;
2789	}	3666	}
2790		3667
2791	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3670	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794		3671
2795	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	3674	delete $INC{"cf/pod.pm"};
2798		3675
2799	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
2800	# and global variables created in xs	3677	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
2802		3679
2803	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
2804		3681
2805	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
2806	require cf;	3683	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3685
2809	warn "loading config and database again";	3686	warn "loading config and database again";
2810	cf::cfg_load;	3687	cf::reload_config;
2811		3688
2812	warn "loading extensions";	3689	warn "loading extensions";
2813	cf::load_extensions;	3690	cf::load_extensions;
2814		3691
		3692	if ($REATTACH_ON_RELOAD) {
2815	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2818	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
2821		3700
		3701	warn "running post_init jobs";
		3702	(pop @POST_INIT)->(1) while @POST_INIT;
		3703
2822	warn "leaving sync_job";	3704	warn "leaving sync_job";
2823		3705
2824	1	3706	1
2825	} or do {	3707	} or do {
2826	warn $@;	3708	warn $@;
2827	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
2828	exit 1;
2829	};	3710	};
2830		3711
2831	warn "reloaded";	3712	warn "reloaded";
		3713	--$RELOAD;
		3714	}
		3715
		3716	$t1 = EV::time - $t1;
		3717	warn "reload completed in ${t1}s\n";
2832	};	3718	};
2833		3719
2834	our $RELOAD_WATCHER; # used only during reload	3720	our $RELOAD_WATCHER; # used only during reload
2835		3721
2836	sub reload_perl() {	3722	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3723	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3724	# coro crashes during coro_state_free->destroy here.
2839		3725
2840	$RELOAD_WATCHER ||= Event->timer (	3726	$RELOAD_WATCHER ||= cf::async {
2841	reentrant => 0,	3727	Coro::AIO::aio_wait cache_extensions;
2842	after => 0,	3728
2843	data => WF_AUTOCANCEL,	3729	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2844	cb => sub {
2845	do_reload_perl;	3730	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3731	undef $RELOAD_WATCHER;
2847	},	3732	};
2848	);	3733	};
2849	}	3734	}
2850		3735
2851	register_command "reload" => sub {	3736	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
2853		3738
2854	if ($who->flag (FLAG_WIZ)) {	3739	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3740	$who->message ("reloading server.");
		3741	async {
		3742	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3743	reload_perl;
		3744	};
2857	}	3745	}
2858	};	3746	};
2859		3747
2860	unshift @INC, $LIBDIR;	3748	unshift @INC, $LIBDIR;
2861		3749
…		…
2863		3751
2864	our @WAIT_FOR_TICK;	3752	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;	3753	our @WAIT_FOR_TICK_BEGIN;
2866		3754
2867	sub wait_for_tick {	3755	sub wait_for_tick {
2868	return unless $TICK_WATCHER->is_active;
2869	return if $Coro::current == $Coro::main;	3756	return if tick_inhibit || $Coro::current == $Coro::main;
2870		3757
2871	my $signal = new Coro::Signal;	3758	my $signal = new Coro::Signal;
2872	push @WAIT_FOR_TICK, $signal;	3759	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;	3760	$signal->wait;
2874	}	3761	}
2875		3762
2876	sub wait_for_tick_begin {	3763	sub wait_for_tick_begin {
2877	return unless $TICK_WATCHER->is_active;
2878	return if $Coro::current == $Coro::main;	3764	return if tick_inhibit || $Coro::current == $Coro::main;
2879		3765
2880	my $signal = new Coro::Signal;	3766	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3767	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3768	$signal->wait;
2883	}	3769	}
2884		3770
2885	my $min = 1e6;#d#	3771	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
2897	return;	3775	return;
2898	}	3776	}
2899		3777
2900	$NOW = $tick_start = Event::time;
2901
2902	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
2903		3779
2904	0 && sync_job {#d#	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2905	for(1..10) {	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2906	my $t = Event::time;	3782	Coro::async_pool {
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3783	$Coro::current->{desc} = "runtime saver";
2908	or die;	3784	write_runtime_sync
2909		3785	or warn "ERROR: unable to write runtime file: $!";
2910	$map->width (50);
2911	$map->height (50);
2912	$map->alloc;
2913	$map->_load_objects ("/tmp/x.map", 1);
2914	my $t = Event::time - $t;
2915
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3786	};
		3787	}
2926		3788
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3790	$sig->send;
2943	}	3791	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3792	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3793	$sig->send;
2946	}	3794	}
2947		3795
2948	$NOW = Event::time;	3796	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3797	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3798
2959	_post_tick;	3799	if (0) {
2960		3800	if ($NEXT_TICK) {
2961		3801	my $jitter = $TICK_START - $NEXT_TICK;
		3802	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3803	warn "jitter $JITTER\n";#d#
		3804	}
2962	},	3805	}
2963	);	3806	}
2964		3807
2965	{	3808	{
2966	BDB::max_poll_time $TICK * 0.1;	3809	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	3810
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
2976		3812	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	3813	$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		3814
2992	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3816	$DB_ENV = BDB::db_env_create;
		3817	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3818	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3819	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3820	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3821	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3822
2995	cf::sync_job {	3823	cf::sync_job {
2996	eval {	3824	eval {
2997	BDB::db_env_open	3825	BDB::db_env_open
2998	$DB_ENV,	3826	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3828	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3829	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3830	0666;
3003		3831
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3832	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3833	};
3009		3834
3010	cf::cleanup "db_env_open(db): $@" if $@;	3835	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3836	};
3012	}	3837	}
		3838
		3839	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3840	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3841	};
		3842	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3843	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3844	};
		3845	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3846	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3847	};
3013	}	3848	}
3014		3849
3015	{	3850	{
		3851	# configure IO::AIO
		3852
3016	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	3855	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	3856	}
3029		3857
3030	my $_log_backtrace;	3858	my $_log_backtrace;
3031		3859
3032	sub _log_backtrace {	3860	sub _log_backtrace {
…		…
3035	$msg =~ s/\n//;	3863	$msg =~ s/\n//;
3036		3864
3037	# limit the # of concurrent backtraces	3865	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3866	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3867	++$_log_backtrace;
		3868	my $perl_bt = Carp::longmess $msg;
3040	async {	3869	async {
		3870	$Coro::current->{desc} = "abt $msg";
		3871
3041	my @bt = fork_call {	3872	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3873	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3874	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3875	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3876	or die "addr2line: $!";
…		…
3053	}	3884	}
3054		3885
3055	@funcs	3886	@funcs
3056	};	3887	};
3057		3888
3058	LOG llevInfo, "[ABT] $msg\n";	3889	LOG llevInfo, "[ABT] $perl_bt\n";
		3890	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	3891	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	3892	--$_log_backtrace;
3061	};	3893	};
3062	} else {	3894	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $msg\n";

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