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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.472 by root, Sat Jun 6 21:43:13 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		140
99	binmode STDOUT;	141	binmode STDOUT;
100	binmode STDERR;	142	binmode STDERR;
101		143
102	# read virtual server time, if available	144	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
107	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
108		152
109	mkdir $_	153	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		155
112	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
155		199
156	The raw value load value from the last tick.	200	The raw value load value from the last tick.
157		201
158	=item %cf::CFG	202	=item %cf::CFG
159		203
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	205	from wherever your confdir points to.
162		206
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		208
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
		218
169	=back	219	=back
170		220
171	=cut	221	=cut
172		222
173	BEGIN {	223	BEGIN {
…		…
177	$msg .= "\n"	227	$msg .= "\n"
178	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
179		229
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		231
182	utf8::encode $msg;
183	LOG llevError, $msg;	232	LOG llevError, $msg;
184	};	233	};
185	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
186		250
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	261	for my $pkg (qw(
198	cf::global cf::attachable	262	cf::global cf::attachable
199	cf::object cf::object::player	263	cf::object cf::object::player
200	cf::client cf::player	264	cf::client cf::player
201	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
202	cf::map cf::party cf::region	267	cf::party cf::region
203	)) {	268	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	270	}
207		271
208	$Event::DIED = sub {	272	$EV::DIED = sub {
209	warn "error in event callback: @_";	273	warn "error in event callback: @_";
210	};	274	};
		275
		276	#############################################################################
211		277
212	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
213		279
214	=over 4	280	=over 4
215		281
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	301	$d
236	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
237	}	303	}
238		304
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
242		306
243	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
244		308
245	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
246		310
247	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
248		312
		313	=cut
		314
		315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		316
		317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
249	=item cf::lock_wait $string	334	=item cf::lock_wait $string
250		335
251	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
252		337
253	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
254		339
255	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
258	returned.	343	returned.
259		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
260	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
262		350
263	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
264		352
265	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
266		354
267	=cut	355	=cut
268		356
269	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
270		358
271	sub lock_wait($) {	359	sub lock_wait($) {
272	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	361	}
280		362
281	sub lock_acquire($) {	363	sub lock_acquire($) {
282	my ($key) = @_;	364	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	365	}
294		366
295	sub lock_active($) {	367	sub lock_active($) {
296	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	369	}
300		370
301	sub freeze_mainloop {	371	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
303		373
304	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
306	};	435	}
307	$TICK_WATCHER->stop;	436	};
308	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
309	}	450	}
310		451
311	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
312		453
313	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		459
319	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
320		461
321	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
322		463
323	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
326		468
327	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
330	fast or be very important.	472	fast or be very important.
…		…
333		475
334	sub sync_job(&) {	476	sub sync_job(&) {
335	my ($job) = @_;	477	my ($job) = @_;
336		478
337	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	480	my $time = EV::time;
339		481
340	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
342		484
343	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	486
345	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
346		488
347	my $busy = 1;	489	my $busy = 1;
348	my @res;	490	my @res;
349		491
350	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	494	@res = eval { $job->() };
352	warn $@ if $@;	495	warn $@ if $@;
353	undef $busy;	496	undef $busy;
354	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
355		498
356	while ($busy) {	499	while ($busy) {
357	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
358	}	504	}
		505	}
359		506
360	$time = Event::time - $time;	507	my $time = EV::time - $time;
361		508
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
366		510
367	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
368	} else {	512	} else {
369	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
370		514
…		…
390	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
391		535
392	$coro	536	$coro
393	}	537	}
394		538
395	sub write_runtime {	539	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		540
398	# first touch the runtime file to show we are still running:	541	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
400		545
401	IO::AIO::aio_utime $runtime, undef, undef;	546	=cut
402		547
403	my $guard = cf::lock_acquire "write_runtime";	548	sub fork_call(&@) {
		549	my ($cb, @args) = @_;
404		550
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	551	# we seemingly have to make a local copy of the whole thing,
406	or return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
407		554
408	my $value = $cf::RUNTIME + 90 + 10;	555	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	556	reset_signals;
410	# 60 allows for the watchdog to kill the server.	557	&$cb
		558	}, @args;
411		559
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	560	wantarray ? @res : $res[-1]
413	and return;	561	}
414		562
415	# always fsync - this file is important	563	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		564
419	# touch it again to show we are up-to-date	565	=cut
420	aio_utime $fh, undef, undef;
421		566
422	close $fh	567	our %coin_alias = (
423	or return;	568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
424		583
425	aio_rename "$runtime~", $runtime	584	sub coin_from_name($) {
426	and return;	585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
427		589
428	warn "runtime file written.\n";	590	=item $value = cf::db_get $family => $key
429		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
430	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
431	}	715	}
432		716
433	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
434		718
435	Log a datalog packet of the given type with the given key-value pairs.	719	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		731
448	#############################################################################	732	#############################################################################
449		733
450	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
451		735
452	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
455		739
456	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	742	Deliantra).
459		743
460	=over 4	744	=over 4
461		745
462	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
463		747
…		…
507	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
508		792
509	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
511		795
512	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
514		798
515	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
516		800
517	=over 4	801	=over 4
…		…
665	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
666	}	950	}
667		951
668	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
669	} else {	953	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	955	}
672		956
673	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
674	}	958	}
675		959
…		…
715	";	999	";
716	die if $@;	1000	die if $@;
717	}	1001	}
718		1002
719	our $override;	1003	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1005
722	sub override {	1006	sub override {
723	$override = 1;	1007	$override = 1;
724	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
725	}	1009	}
726		1010
727	sub do_invoke {	1011	sub do_invoke {
728	my $event = shift;	1012	my $event = shift;
729	my $callbacks = shift;	1013	my $callbacks = shift;
730		1014
731	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
732		1016
733	local $override;	1017	local $override;
734		1018
735	for (@$callbacks) {	1019	for (@$callbacks) {
736	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
745	}	1029	}
746		1030
747	0	1031	0
748	}	1032	}
749		1033
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1035
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1037
754	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
755		1039
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1043
760	=back	1044	=back
761		1045
762	=cut	1046	=cut
763		1047
764	#############################################################################	1048	#############################################################################
765	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
766		1092
767	sub reattach {	1093	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1095	my ($obj) = @_;
770		1096
		1097	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1099
773	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
774		1101
775	@$registry = ();	1102	@$registry = ();
776		1103
…		…
791	cf::attachable->attach (	1118	cf::attachable->attach (
792	prio => -1000000,	1119	prio => -1000000,
793	on_instantiate => sub {	1120	on_instantiate => sub {
794	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
795		1122
796	$data = from_json $data;	1123	$data = decode_json $data;
797		1124
798	for (@$data) {	1125	for (@$data) {
799	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
800		1127
801	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1144	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
819		1146
820	sync_job {	1147	sync_job {
821	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
824		1152
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1157	aio_close $fh;
830		1158
831	if (@$objs) {	1159	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1165	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
839	}	1167	}
840	} else {	1168	} else {
841	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
842	}	1170	}
843		1171
844	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1176	} else {
846	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
847	}	1178	}
848	} else {	1179	} else {
849	aio_unlink $filename;	1180	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
851	}	1182	}
852	}	1183	};
853	}	1184	}
854		1185
855	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
857		1188
…		…
869	or return;	1200	or return;
870		1201
871	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
873	or return;	1204	or return;
		1205
874	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
875	}	1208	}
876		1209
		1210	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
879	return ($data, $av);	1214	($data, $av)
880	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
881		1222
882	#############################################################################	1223	#############################################################################
883	# command handling &c	1224	# command handling &c
884		1225
885	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1240	}
900		1241
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1243
903	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
904		1249
905	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
906	called.	1251	called.
907		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
908	=cut	1264	=cut
909		1265
910	sub register_extcmd {	1266	sub register_extcmd {
911	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
912		1268
913	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
914	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
915		1279
916	cf::player->attach (	1280	cf::player->attach (
917	on_command => sub {	1281	on_command => sub {
918	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
919		1283
…		…
927	cf::override;	1291	cf::override;
928	},	1292	},
929	on_extcmd => sub {	1293	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
931		1295
932	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1297
934	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
940	} else {	1313	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1315	}
943		1316
944	cf::override;	1317	cf::override;
945	},	1318	},
946	);	1319	);
		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
947		1333
948	sub load_extensions {	1334	sub load_extensions {
949	cf::sync_job {	1335	cf::sync_job {
950	my %todo;	1336	my %todo;
951		1337
…		…
967	path => $path,	1353	path => $path,
968	base => $base,	1354	base => $base,
969	pkg => $pkg,	1355	pkg => $pkg,
970	);	1356	);
971		1357
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1360
975	$ext{source} =	1361	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
978	. $source	1364	. $source
979	. "\n};\n1";	1365	. "\n};\n1";
980		1366
981	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
984	my %done;	1370	my %done;
985	while (%todo) {	1371	while (%todo) {
986	my $progress;	1372	my $progress;
987		1373
988	while (my ($k, $v) = each %todo) {	1374	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1375	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1376	goto skip
991	unless exists $done{$_};	1377	unless exists $done{$_};
992	}	1378	}
993		1379
994	warn "... loading '$k' into '$v->{pkg}'\n";	1380	warn "... loading '$k' into '$v->{pkg}'\n";
995		1381
996	unless (eval $v->{source}) {	1382	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1384	: "$v->{base}: extension inactive.\n";
999		1385
1000	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1387	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1389	}
1005		1390
1006	die $msg;	1391	warn $msg;
1007	}	1392	}
1008		1393
1009	$done{$k} = delete $todo{$k};	1394	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
1011	}	1397	}
1012		1398
1013	skip:	1399	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1401	unless $progress;
…		…
1017	};	1403	};
1018	}	1404	}
1019		1405
1020	#############################################################################	1406	#############################################################################
1021		1407
		1408	=back
		1409
1022	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1023		1411
1024	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1025		1413
1026	=cut	1414	=cut
1027		1415
1028	package cf::player;	1416	package cf::player;
1029		1417
1030	use Coro::AIO;	1418	use Coro::AIO;
1031		1419
1032	=head3 cf::player	1420	=head3 cf::player
1033		1421
1034	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1035		1437
1036	=item cf::player::find $login	1438	=item cf::player::find $login
1037		1439
1038	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1039		1441
…		…
1058		1460
1059	sub exists($) {	1461	sub exists($) {
1060	my ($login) = @_;	1462	my ($login) = @_;
1061		1463
1062	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1064	}	1466	}
1065		1467
1066	sub find($) {	1468	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1470	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1481
1080	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1083	}	1491	}
1084	}	1492	}
1085	}	1493	}
1086		1494
…		…
1095	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1096		1504
1097	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1099		1507
		1508	cf::get_slot 0.01;
		1509
1100	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1101	Coro::cede;	1511	cf::cede_to_tick;
1102	}	1512	}
1103		1513
1104	sub new($) {	1514	sub new($) {
1105	my ($login) = @_;	1515	my ($login) = @_;
1106		1516
…		…
1112	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1113		1523
1114	$self	1524	$self
1115	}	1525	}
1116		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1117	=item $pl->quit_character	1537	=item $pl->quit_character
1118		1538
1119	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1121		1541
…		…
1125	my ($pl) = @_;	1545	my ($pl) = @_;
1126		1546
1127	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1128		1548
1129	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1551
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1136		1558
1137	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1596	or return [];
1175		1597
1176	my @logins;	1598	my @logins;
1177		1599
1178	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1182		1610
1183	utf8::decode $login;	1611	utf8::decode $login;
1184	push @logins, $login;	1612	push @logins, $login;
1185	}	1613	}
1186		1614
…		…
1213	}	1641	}
1214		1642
1215	\@paths	1643	\@paths
1216	}	1644	}
1217		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1218	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1219		1651
1220	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1221		1653
1222	=cut	1654	=cut
1223		1655
1224	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1226		1658
1227	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1660	}
1231		1661
1232	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1233		1663
1234	Sends an ext event to the client.	1664	Sends an ext event to the client.
1235		1665
1236	=cut	1666	=cut
1237		1667
1238	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1240		1670
1241	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1242	}	1672	}
1243		1673
1244	=head3 cf::region	1674	=head3 cf::region
1245		1675
1246	=over 4	1676	=over 4
…		…
1249		1679
1250	package cf::region;	1680	package cf::region;
1251		1681
1252	=item cf::region::find_by_path $path	1682	=item cf::region::find_by_path $path
1253		1683
1254	Tries to decuce the probable region for a map knowing only its path.	1684	Tries to decuce the likely region for a map knowing only its path.
1255		1685
1256	=cut	1686	=cut
1257		1687
1258	sub find_by_path($) {	1688	sub find_by_path($) {
1259	my ($path) = @_;	1689	my ($path) = @_;
1260		1690
1261	my ($match, $specificity);	1691	my ($match, $specificity);
1262		1692
1263	for my $region (list) {	1693	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1694	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1695	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1696	if $region->specificity > $specificity;
1267	}	1697	}
1268	}	1698	}
1269		1699
…		…
1290	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1292		1722
1293	sub generate_random_map {	1723	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1295	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1729	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1390	return $self;	1823	return $self;
1391	}	1824	}
1392	}	1825	}
1393		1826
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1828	()
1396	}	1829	}
1397		1830
1398	sub init {	1831	sub init {
1399	my ($self) = @_;	1832	my ($self) = @_;
…		…
1421		1854
1422	# the temporary/swap location	1855	# the temporary/swap location
1423	sub save_path {	1856	sub save_path {
1424	my ($self) = @_;	1857	my ($self) = @_;
1425		1858
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1428	}	1861	}
1429		1862
1430	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1431	sub uniq_path {	1864	sub uniq_path {
1432	my ($self) = @_;	1865	my ($self) = @_;
1433		1866
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1869	}
1446		1870
1447	sub decay_objects {	1871	sub decay_objects {
1448	my ($self) = @_;	1872	my ($self) = @_;
1449		1873
…		…
1462		1886
1463	sub load_header_from($) {	1887	sub load_header_from($) {
1464	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1465		1889
1466	utf8::encode $path;	1890	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1472		1899
1473	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1474		1901
1475	1	1902	1
1476	}	1903	}
…		…
1530	sub find {	1957	sub find {
1531	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1532		1959
1533	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1534		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1536		1964
1537	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1540	or return;	1967	or return;
1541		1968
1542	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1543		1970
…		…
1545	or return;	1972	or return;
1546		1973
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1550	$map->reset;	1979	$map->reset;
1551	undef $guard;
1552	return find $path;	1980	return find $path;
1553	}	1981	}
1554		1982
1555	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1556	}	1984	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1566		1994
1567	my $path = $self->{path};	1995	my $path = $self->{path};
1568		1996
1569	{	1997	{
1570	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1571		1999
		2000	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2002
1574	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1575		2004
1576	$self->alloc;	2005	$self->alloc;
1577		2006
1578	$self->pre_load;	2007	$self->pre_load;
1579	Coro::cede;	2008	cf::cede_to_tick;
1580		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1582	or return;	2013	or return;
1583		2014
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1585	if delete $self->{load_original};	2016	if delete $self->{load_original};
1586		2017
1587	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2019	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2022	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1592	}	2026	}
1593	}	2027	}
1594		2028
1595	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1596	# now do the right thing for maps	2032	# now do the right thing for maps
1597	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2035	unless $self->difficulty;
1600	Coro::cede;	2036	cf::cede_to_tick;
1601		2037
1602	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2039	$self->decay_objects;
1604	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1605	$self->update_buttons;	2041	$self->update_buttons;
1606	Coro::cede;	2042	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2043	$self->activate;
1610	}	2044	}
1611		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2050	}
1614		2051
1615	$self->post_load;	2052	$self->post_load;
1616	}	2053	}
1617		2054
…		…
1626		2063
1627	$self	2064	$self
1628	}	2065	}
1629		2066
1630	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2068	sub load_neighbours {
1632	my ($map) = @_;	2069	my ($map) = @_;
1633		2070
1634	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1635		2072
1636	for (0 .. 3) {	2073	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1638	or next;	2075	or next;
1639	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1640	or next;	2077	or next;
1641	$neigh->load;	2078	$neigh->load;
1642		2079
		2080	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2083	}
1646		2084
1647	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1649	or next;	2088	or next;
1650	$neigh->load;	2089	$neigh->load;
1651	}	2090	}
1652	}	2091	}
1653		2092
…		…
1658	}	2097	}
1659		2098
1660	sub do_load_sync {	2099	sub do_load_sync {
1661	my ($map) = @_;	2100	my ($map) = @_;
1662		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1663	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1664	}	2106	}
1665		2107
1666	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1668		2110
1669	sub find_async {	2111	sub find_async {
1670	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1671		2113
1672	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1673		2115
1674	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2118	}
1677		2119
1678	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1679	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1680	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2127	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2128	$map->load if $v;
		2129	}
1685		2130
1686	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1687	}	2132	}
1688	}	2133	}
1689	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1690	};	2135	};
1691	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2139	}
1695		2140
1696	sub save {	2141	sub save {
1697	my ($self) = @_;	2142	my ($self) = @_;
1698		2143
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2145
1701	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1702		2147
1703	return unless $self->dirty;	2148	return unless $self->dirty;
1704		2149
…		…
1710	return if $self->{deny_save};	2155	return if $self->{deny_save};
1711		2156
1712	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1713		2158
1714	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1716	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1717		2165
1718	if ($uniq) {	2166	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2169	} else {
…		…
1727	my ($self) = @_;	2175	my ($self) = @_;
1728		2176
1729	# save first because save cedes	2177	# save first because save cedes
1730	$self->save;	2178	$self->save;
1731		2179
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2181
1734	return if $self->players;	2182	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2184	return if $self->{deny_save};
1737		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2190	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2191	}
1741		2192
1742	sub reset_at {	2193	sub reset_at {
1743	my ($self) = @_;	2194	my ($self) = @_;
1744		2195
…		…
1776	if $uniq;	2227	if $uniq;
1777	}	2228	}
1778		2229
1779	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1780		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2234	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2235
1785	$self->unlink_save;	2236	$self->unlink_save;
1786	$self->destroy;	2237	$self->destroy;
1787	}	2238	}
1788		2239
1789	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1790		2241
1791	sub nuke {	2242	sub nuke {
1792	my ($self) = @_;	2243	my ($self) = @_;
1793		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1794	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1795		2249
1796	$self->unlink_save;	2250	$self->unlink_save;
1797		2251
1798	bless $self, "cf::map";	2252	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2257
1804	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1805		2260
1806	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
1807	}	2262	}
1808		2263
1809	=item $maps = cf::map::tmp_maps	2264	=item $maps = cf::map::tmp_maps
…		…
1851		2306
1852	sub unique_maps() {	2307	sub unique_maps() {
1853	[	2308	[
1854	map {	2309	map {
1855	utf8::decode $_;	2310	utf8::decode $_;
1856	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
1857	? normalise $_	2314	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2316	]
1861	}	2317	}
1862		2318
1863	package cf;
1864
1865	=back	2319	=back
1866		2320
1867	=head3 cf::object	2321	=head3 cf::object
1868		2322
1869	=cut	2323	=cut
…		…
1872		2326
1873	=over 4	2327	=over 4
1874		2328
1875	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1876		2330
1877	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1878		2333
1879	=cut	2334	=cut
1880		2335
1881	sub inv_recursive_;	2336	sub inv_recursive_;
1882	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1885		2340
1886	sub inv_recursive {	2341	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1888	}	2343	}
1889		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1890	package cf;	2373	package cf;
1891		2374
1892	=back	2375	=back
1893		2376
1894	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1903		2386
1904	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1905		2402
1906	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2404	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1911		2408
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2410
1914	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1916	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1919	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1920	}	2436	}
1921		2437
1922	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1923		2439
1924	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1937		2453
1938	=item $player_object->enter_link	2454	=item $player_object->enter_link
1939		2455
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2457
1942	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1944		2462
1945	Will never block.	2463	Will never block.
1946		2464
1947	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1948		2466
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
2006		2524
2007	$map->load;	2525	$map->load;
2008	$map->load_diag;	2526	$map->load_neighbours;
2009		2527
2010	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2011	$self->activate_recursive;	2530	$self->activate_recursive;
2012		2531
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2015	}	2534	}
2016		2535
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2537
2019	Moves the player to the given map-path and coordinates by first freezing	2538	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2541	the new (success) or old (failed) map position. In either case, $done will
		2542	be called at the end of this process.
		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
2023		2546
2024	=cut	2547	=cut
2025		2548
2026	our $GOTOGEN;	2549	our $GOTOGEN;
2027		2550
2028	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2553
2031	# do generation counting so two concurrent goto's will be executed in-order	2554	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2556
2034	$self->enter_link;	2557	$self->enter_link;
2035		2558
2036	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
2037	my $map = eval {	2581	my $map = eval {
2038	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
2039		2583
2040	if ($map) {	2584	if ($map) {
2041	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
2043	} else {	2587	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2589	}
2046		2590
2047	$map	2591	$map
2048	};	2592	};
2049		2593
…		…
2054		2598
2055	if ($gen == $self->{_goto_generation}) {	2599	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2600	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
2058	}	2602	}
		2603
		2604	$done->() if $done;
2059	})->prio (1);	2605	})->prio (1);
2060	}	2606	}
2061		2607
2062	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
2063		2609
…		…
2083	}	2629	}
2084		2630
2085	sub prepare_random_map {	2631	sub prepare_random_map {
2086	my ($exit) = @_;	2632	my ($exit) = @_;
2087		2633
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2636	# that depends on the exit object
2093		2637
2094	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2640	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2101	}	2647	}
2102		2648
2103	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2104		2650
2105	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2108		2654
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2657	undef $fh;
2112	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2113		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2116	}	2666	}
2117	}	2667	}
2118		2668
2119	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2121		2671
2122	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2123		2673
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2674	$self->enter_link;
2136		2675
2137	(async {	2676	(async {
2138	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2139	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2140	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2141		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2142	1;	2700	1
2143	}) {	2701	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2706
2149	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2168		2726
2169	utf8::encode $text;	2727	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2729	}
2172		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	"c/party" => {
		2827	id => "party",
		2828	title => "Party",
		2829	reply => "gsay ",
		2830	tooltip => "Messages and chat related to your party",
		2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
		2840	);
		2841
		2842	sub cf::client::send_msg {
		2843	my ($self, $channel, $msg, $color, @extra) = @_;
		2844
		2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
		2847
		2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2849
		2850	# check predefined channels, for the benefit of C
		2851	if ($CHANNEL{$channel}) {
		2852	$channel = $CHANNEL{$channel};
		2853
		2854	$self->ext_msg (channel_info => $channel);
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel);
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	my $pkt = "msg "
		2874	. $self->{json_coder}->encode (
		2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2876	);
		2877
		2878	# try lzf for large packets
		2879	$pkt = "lzf " . Compress::LZF::compress $pkt
		2880	if 1024 <= length $pkt and $self->{can_lzf};
		2881
		2882	# split very large packets
		2883	if (8192 < length $pkt and $self->{can_lzf}) {
		2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2885	$pkt = "frag";
		2886	}
		2887
		2888	$self->send_packet ($pkt);
		2889	}
		2890
2173	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2174		2892
2175	Sends an exti event to the client.	2893	Sends an ext event to the client.
2176		2894
2177	=cut	2895	=cut
2178		2896
2179	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2181		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
2184	}	2924	}
2185		2925
2186	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2187		2927
2188	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2931
2192	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2933	become reliable at some point in the future.
2194		2934
2195	=cut	2935	=cut
2196		2936
2197	sub cf::client::query {	2937	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2946	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2948
2209	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2211	}	2953	}
2212		2954
2213	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2214	on_reply => sub {	2961	on_reply => sub {
2215	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2216		2963
2217	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2218	# get handled first	2965	# get handled first
…		…
2230	} else {	2977	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2979	}
2233	}	2980	}
2234	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2235	);	3008	);
2236		3009
2237	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2238		3011
2239	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2282		3055
2283	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2284		3057
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2286		3063
2287	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2288		3065
2289	=pod	3066	=pod
2290		3067
2291	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2292		3069
2293	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease split
		3073	value
		3074
2294	cf::object::player player	3075	cf::object::player
2295	cf::player peaceful	3076	player
2296	cf::map trigger	3077
		3078	cf::player
		3079	peaceful
		3080
		3081	cf::map
		3082	trigger
2297		3083
2298	=cut	3084	=cut
2299		3085
2300	for (	3086	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3088	insert remove inv nrof name archname title slaying race
		3089	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
2305	) {	3093	) {
2306	no strict 'refs';	3094	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2325	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
2326		3114
2327	my $qcode = $code;	3115	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
2330		3120
2331	local $_;	3121	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
2333		3123
2334	my $eval =	3124	my $eval =
…		…
2377	=back	3167	=back
2378		3168
2379	=cut	3169	=cut
2380		3170
2381	#############################################################################	3171	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3172	# the server's init and main functions
2555		3173
2556	sub load_facedata($) {	3174	sub load_facedata($) {
2557	my ($path) = @_;	3175	my ($path) = @_;
		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3182
2559	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2560		3184
2561	my $facedata;	3185	my $facedata;
2562	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2566		3190
2567	$facedata->{version} == 2	3191	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2570	{	3201	{
2571	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2572		3203
2573	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3211
		3212	cf::cede_to_tick;
2579	}	3213	}
2580		3214
2581	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2583	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2584	or next;	3219	or next;
		3220
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3224	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3226	}
2590	Coro::cede;	3227
		3228	cf::cede_to_tick;
2591	}	3229	}
2592	}	3230	}
2593		3231
2594	{	3232	{
2595	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2596		3234
2597	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3237	cf::cede_to_tick;
2600	}	3238	}
2601		3239
2602	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2603	}	3241	}
2604		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2605	1	3278	1
2606	}	3279	}
2607		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub load_resource_file($) {
		3310	my $guard = lock_acquire "load_resource_file";
		3311
		3312	my $status = load_resource_file_ $_[0];
		3313	get_slot 0.1, 100;
		3314	cf::arch::commit_load;
		3315
		3316	$status
		3317	}
		3318
2608	sub reload_regions {	3319	sub reload_regions {
		3320	# HACK to clear player env face cache, we need some signal framework
		3321	# for this (global event?)
		3322	%ext::player_env::MUSIC_FACE_CACHE = ();
		3323
2609	load_resource_file "$MAPDIR/regions"	3324	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3325	or die "unable to load regions file\n";
		3326
		3327	for (cf::region::list) {
		3328	$_->{match} = qr/$_->{match}/
		3329	if exists $_->{match};
		3330	}
2611	}	3331	}
2612		3332
2613	sub reload_facedata {	3333	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3334	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3335	or die "unable to load facedata\n";
…		…
2626	}	3346	}
2627		3347
2628	sub reload_resources {	3348	sub reload_resources {
2629	warn "reloading resource files...\n";	3349	warn "reloading resource files...\n";
2630		3350
		3351	reload_facedata;
		3352	reload_archetypes;
2631	reload_regions;	3353	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3354	reload_treasures;
2636		3355
2637	warn "finished reloading resource files\n";	3356	warn "finished reloading resource files\n";
2638	}	3357	}
2639		3358
2640	sub init {	3359	sub reload_config {
2641	reload_resources;
2642	}
2643
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3361	or return;
2647		3362
2648	local $/;	3363	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2650		3365
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3367
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2660	};	3375	};
2661	warn $@ if $@;	3376	warn $@ if $@;
2662	}	3377	}
2663	}	3378	}
2664		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
2665	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
2666	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3417	(async {
2670	Event::one_event;	3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3419	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3420	})->prio (Coro::PRIO_MAX);
2672	};	3421	};
2673		3422
2674	cfg_load;	3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	cf::sync_job {
		3426	reload_resources;
		3427	reload_config;
2675	db_init;	3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
2676	load_extensions;	3441	load_extensions;
2677		3442
2678	$TICK_WATCHER->start;	3443	utime time, time, $RUNTIMEFILE;
		3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
		3449	};
		3450
2679	Event::loop;	3451	EV::loop;
2680	}	3452	}
2681		3453
2682	#############################################################################	3454	#############################################################################
2683	# initialisation and cleanup	3455	# initialisation and cleanup
2684		3456
2685	# install some emergency cleanup handlers	3457	# install some emergency cleanup handlers
2686	BEGIN {	3458	BEGIN {
		3459	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3460	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3461	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3462	cf::cleanup "SIG$signal";
2695	},
2696	);	3463	};
		3464	}
		3465	}
		3466
		3467	sub write_runtime_sync {
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2697	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
		3525	$uuid_skip = 0;
		3526
		3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3528	and return;
		3529
		3530	# always fsync - this file is important
		3531	aio_fsync $fh
		3532	and return;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$uuid~", $uuid
		3538	and return;
		3539
		3540	warn "uuid file written ($value).\n";
		3541
		3542	1
		3543
		3544	}
		3545
		3546	sub write_uuid($$) {
		3547	my ($skip, $sync) = @_;
		3548
		3549	$sync ? write_uuid_sync $skip
		3550	: async { write_uuid_sync $skip };
2698	}	3551	}
2699		3552
2700	sub emergency_save() {	3553	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
2702		3555
2703	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
2704		3557
2705	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
2706	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3570	$pl->valid or next;
		3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3572	$pl->save;
2714	}	3573	}
2715	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
2716		3575
2717	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3579	$map->valid or next;
2721	$map->save;	3580	$map->save;
2722	}	3581	}
2723	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
2724		3583
2725	warn "begin emergency database checkpoint\n";	3584	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3585	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3586	warn "emergency_perl_save: end database checkpoint\n";
		3587
		3588	warn "emergency_perl_save: begin write uuid\n";
		3589	write_uuid_sync 1;
		3590	warn "emergency_perl_save: end write uuid\n";
2728	};	3591	};
2729		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
2730	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
2731	}	3599	}
2732		3600
2733	sub post_cleanup {	3601	sub post_cleanup {
2734	my ($make_core) = @_;	3602	my ($make_core) = @_;
2735		3603
2736	warn Carp::longmess "post_cleanup backtrace"	3604	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3605	if $make_core;
		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
2738	}	3635	}
2739		3636
2740	sub do_reload_perl() {	3637	sub do_reload_perl() {
2741	# can/must only be called in main	3638	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3640	warn "can only reload from main coroutine";
2744	return;	3641	return;
2745	}	3642	}
2746		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
2747	warn "reloading...";	3649	warn "reloading...";
2748		3650
2749	warn "entering sync_job";	3651	warn "entering sync_job";
2750		3652
2751	cf::sync_job {	3653	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3654	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3655	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3656	cf::write_runtime_sync; # external watchdog should not bark
2755		3657
2756	warn "syncing database to disk";	3658	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3660
2759	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
2760		3662
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3663	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3664	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3666	}
2797		3667
2798	warn "... nuking $pkg";	3668	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3669	$_->cancel for values %EXT_CORO;
2800	}	3670	%EXT_CORO = ();
2801		3671
2802	warn "unloading all perl modules loaded from $LIBDIR";	3672	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3673	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3681	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3682
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
2813	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
2814	}	3692	}
2815		3693
2816	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
2817	}	3709	}
2818		3710
2819	warn "getting rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3714
2823	warn "unloading cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3718
2827	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3720	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
2830		3722
2831	warn "unload completed, starting to reload now";	3723	warn "unload completed, starting to reload now";
2832		3724
2833	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
2834	require cf;	3726	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3728
2837	warn "loading config and database again";	3729	warn "loading config and database again";
2838	cf::cfg_load;	3730	cf::reload_config;
2839		3731
2840	warn "loading extensions";	3732	warn "loading extensions";
2841	cf::load_extensions;	3733	cf::load_extensions;
2842		3734
		3735	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3737	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3738	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3740	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3741	reattach $_ for values %PLAYER;
		3742	}
2849		3743
		3744	warn "running post_init jobs";
		3745	(pop @POST_INIT)->(1) while @POST_INIT;
		3746
2850	warn "leaving sync_job";	3747	warn "leaving sync_job";
2851		3748
2852	1	3749	1
2853	} or do {	3750	} or do {
2854	warn $@;	3751	warn $@;
2855	warn "error while reloading, exiting.";	3752	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3753	};
2858		3754
2859	warn "reloaded";	3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
2860	};	3761	};
2861		3762
2862	our $RELOAD_WATCHER; # used only during reload	3763	our $RELOAD_WATCHER; # used only during reload
2863		3764
2864	sub reload_perl() {	3765	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3766	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3767	# coro crashes during coro_state_free->destroy here.
2867		3768
2868	$RELOAD_WATCHER ||= Event->timer (	3769	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3770	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3771
2871	data => WF_AUTOCANCEL,	3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3773	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3774	undef $RELOAD_WATCHER;
2875	},	3775	};
2876	);	3776	};
2877	}	3777	}
2878		3778
2879	register_command "reload" => sub {	3779	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
2881		3781
2882	if ($who->flag (FLAG_WIZ)) {	3782	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3783	$who->message ("reloading server.");
		3784	async {
		3785	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3786	reload_perl;
		3787	};
2885	}	3788	}
2886	};	3789	};
2887		3790
2888	unshift @INC, $LIBDIR;	3791	unshift @INC, $LIBDIR;
2889		3792
…		…
2891		3794
2892	our @WAIT_FOR_TICK;	3795	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3796	our @WAIT_FOR_TICK_BEGIN;
2894		3797
2895	sub wait_for_tick {	3798	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3799	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3800
2899	my $signal = new Coro::Signal;	3801	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3802	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3803	$signal->wait;
2902	}	3804	}
2903		3805
2904	sub wait_for_tick_begin {	3806	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3807	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3808
2908	my $signal = new Coro::Signal;	3809	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3810	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3811	$signal->wait;
2911	}	3812	}
2912		3813
2913	my $min = 1e6;#d#	3814	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3815	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3816	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3817	unless ++$bug_warning > 10;
2925	return;	3818	return;
2926	}	3819	}
2927		3820
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3821	cf::server_tick; # one server iteration
2931		3822
2932	0 && sync_job {#d#	3823	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3824	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3825	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3826	$Coro::current->{desc} = "runtime saver";
2936	or die;	3827	write_runtime_sync
2937		3828	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3829	};
		3830	}
2954		3831
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3832	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3833	$sig->send;
2971	}	3834	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3835	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3836	$sig->send;
2974	}	3837	}
2975		3838
2976	$NOW = Event::time;	3839	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3840	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3841
2987	_post_tick;	3842	if (0) {
2988		3843	if ($NEXT_TICK) {
2989		3844	my $jitter = $TICK_START - $NEXT_TICK;
		3845	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3846	warn "jitter $JITTER\n";#d#
		3847	}
2990	},	3848	}
2991	);	3849	}
2992		3850
2993	{	3851	{
2994	BDB::max_poll_time $TICK * 0.1;	3852	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3853
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3854	BDB::min_parallel 8;
3004		3855	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3856	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3857
3020	unless ($DB_ENV) {	3858	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3859	$DB_ENV = BDB::db_env_create;
		3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3865
3023	cf::sync_job {	3866	cf::sync_job {
3024	eval {	3867	eval {
3025	BDB::db_env_open	3868	BDB::db_env_open
3026	$DB_ENV,	3869	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3871	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3872	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3873	0666;
3031		3874
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3875	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3876	};
3037		3877
3038	cf::cleanup "db_env_open(db): $@" if $@;	3878	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3879	};
3040	}	3880	}
		3881
		3882	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3883	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3884	};
		3885	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3886	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3887	};
		3888	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3889	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3890	};
3041	}	3891	}
3042		3892
3043	{	3893	{
		3894	# configure IO::AIO
		3895
3044	IO::AIO::min_parallel 8;	3896	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3897	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3898	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3899	}
3057		3900
3058	my $_log_backtrace;	3901	my $_log_backtrace;
3059		3902
3060	sub _log_backtrace {	3903	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	3906	$msg =~ s/\n//;
3064		3907
3065	# limit the # of concurrent backtraces	3908	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3909	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
3068	async {	3912	async {
		3913	$Coro::current->{desc} = "abt $msg";
		3914
3069	my @bt = fork_call {	3915	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3916	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3917	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3918	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3919	or die "addr2line: $!";
…		…
3081	}	3927	}
3082		3928
3083	@funcs	3929	@funcs
3084	};	3930	};
3085		3931
3086	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	3934	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	3935	--$_log_backtrace;
3089	};	3936	};
3090	} else {	3937	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	3939	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	3940	}
3094	}	3941	}
3095		3942
3096	# load additional modules	3943	# load additional modules
3097	use cf::pod;	3944	require "cf/$_.pm" for @EXTRA_MODULES;
3098		3945
3099	END { cf::emergency_save }	3946	END { cf::emergency_save }
3100		3947
3101	1	3948	1
3102		3949

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