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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
		50	use Coro::Util ();
24		51
		52	use JSON::XS 2.01 ();
25	use BDB ();	53	use BDB ();
26	use Data::Dumper;	54	use Data::Dumper;
27	use Digest::MD5;	55	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	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		75
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		77
49	our %COMMAND = ();	78	our %COMMAND = ();
50	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
51		80
52	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
56		86
57	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	88	our @EVENT;
59		89
60	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	91	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
71		105
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	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	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	108	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	114	our $DB_ENV;
82		115
83	our %CFG;	116	our %CFG;
84		117
85	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
87		121
88	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
91		125
92	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		128
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		137
99	binmode STDOUT;	138	binmode STDOUT;
100	binmode STDERR;	139	binmode STDERR;
101		140
102	# read virtual server time, if available	141	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
107	}	146	}
108		147
109	mkdir $_	148	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		194
156	The raw value load value from the last tick.	195	The raw value load value from the last tick.
157		196
158	=item %cf::CFG	197	=item %cf::CFG
159		198
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	200	from wherever your confdir points to.
162		201
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		203
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	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	205	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.	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
		213
169	=back	214	=back
170		215
171	=cut	216	=cut
172		217
173	BEGIN {	218	BEGIN {
…		…
177	$msg .= "\n"	222	$msg .= "\n"
178	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
179		224
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		226
182	utf8::encode $msg;
183	LOG llevError, $msg;	227	LOG llevError, $msg;
184	};	228	};
185	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
186		245
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	256	for my $pkg (qw(
198	cf::global cf::attachable	257	cf::global cf::attachable
199	cf::object cf::object::player	258	cf::object cf::object::player
200	cf::client cf::player	259	cf::client cf::player
201	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
202	cf::map cf::party cf::region	262	cf::party cf::region
203	)) {	263	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	265	}
207		266
208	$Event::DIED = sub {	267	$EV::DIED = sub {
209	warn "error in event callback: @_";	268	warn "error in event callback: @_";
210	};	269	};
		270
		271	#############################################################################
211		272
212	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
213		274
214	=over 4	275	=over 4
215		276
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	296	$d
236	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
237	}	298	}
238		299
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
242		301
243	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
244		303
245	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
246		305
247	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
248		307
		308	=cut
		309
		310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		311
		312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
		328
249	=item cf::lock_wait $string	329	=item cf::lock_wait $string
250		330
251	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
252		332
253	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
254		334
255	Wait until the given lock is available and then acquires it and returns	335	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,	336	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	337	for example when the coroutine gets canceled), the lock is automatically
258	returned.	338	returned.
259		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
260	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
262		345
263	=item $locked = cf::lock_active $string	346	=item $locked = cf::lock_active $string
264		347
265	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
266		349
267	=cut	350	=cut
268		351
269	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
270		354
271	sub lock_wait($) {	355	sub lock_wait($) {
272	my ($key) = @_;	356	my ($key) = @_;
273		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
274	# wait for lock, if any	363	# wait for lock, if any
275	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
276	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	367	Coro::schedule;
278	}	368	}
279	}	369	}
280		370
…		…
283		373
284	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
285	lock_wait $key;	375	lock_wait $key;
286		376
287	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
288		379
289	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
292	}	384	}
293	}	385	}
294		386
…		…
297		389
298	! ! $LOCK{$key}	390	! ! $LOCK{$key}
299	}	391	}
300		392
301	sub freeze_mainloop {	393	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
303		395
304	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
306	};	457	}
307	$TICK_WATCHER->stop;	458	};
308	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
309	}	472	}
310		473
311	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
312		475
313	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		481
319	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
320		483
321	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
322		485
323	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
326		490
327	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
330	fast or be very important.	494	fast or be very important.
…		…
333		497
334	sub sync_job(&) {	498	sub sync_job(&) {
335	my ($job) = @_;	499	my ($job) = @_;
336		500
337	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	502	my $time = EV::time;
339		503
340	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
342		506
343	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	508
345	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
346		510
347	my $busy = 1;	511	my $busy = 1;
348	my @res;	512	my @res;
349		513
350	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	516	@res = eval { $job->() };
352	warn $@ if $@;	517	warn $@ if $@;
353	undef $busy;	518	undef $busy;
354	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
355		520
356	while ($busy) {	521	while ($busy) {
357	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
358	}	526	}
		527	}
359		528
360	$time = Event::time - $time;	529	my $time = EV::time - $time;
361		530
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	531	$TICK_START += $time; # do not account sync jobs to server load
366		532
367	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
368	} else {	534	} else {
369	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
370		536
…		…
390	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
391		557
392	$coro	558	$coro
393	}	559	}
394		560
395	sub write_runtime {	561	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		562
398	# first touch the runtime file to show we are still running:	563	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
400		567
401	IO::AIO::aio_utime $runtime, undef, undef;	568	=cut
402		569
403	my $guard = cf::lock_acquire "write_runtime";	570	sub fork_call(&@) {
		571	my ($cb, @args) = @_;
404		572
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	573	# we seemingly have to make a local copy of the whole thing,
406	or return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
407		576
408	my $value = $cf::RUNTIME + 90 + 10;	577	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	578	reset_signals;
410	# 60 allows for the watchdog to kill the server.	579	&$cb
		580	}, @args;
411		581
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	wantarray ? @res : $res[-1]
413	and return;	583	}
414		584
415	# always fsync - this file is important	585	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		586
419	# touch it again to show we are up-to-date	587	=cut
420	aio_utime $fh, undef, undef;
421		588
422	close $fh	589	our %coin_alias = (
423	or return;	590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
424		605
425	aio_rename "$runtime~", $runtime	606	sub coin_from_name($) {
426	and return;	607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
427		611
428	warn "runtime file written.\n";	612	=item $value = cf::db_get $family => $key
429		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
430	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
431	}	737	}
432		738
433	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
434		740
435	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		753
448	#############################################################################	754	#############################################################################
449		755
450	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
451		757
452	Many objects in crossfire are so-called attachable objects. That means you can	758	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")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
455		761
456	In the following description, CLASS can be any of C<global>, C<object>	762	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	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	764	Deliantra).
459		765
460	=over 4	766	=over 4
461		767
462	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
463		769
…		…
507	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
508		814
509	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
511		817
512	Some classes such as crossfire maps and objects can specify attachments	818	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.	819	that are attached at load/instantiate time, thus the need for a name.
514		820
515	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
516		822
517	=over 4	823	=over 4
…		…
665	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
666	}	972	}
667		973
668	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
669	} else {	975	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	977	}
672		978
673	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
674	}	980	}
675		981
…		…
715	";	1021	";
716	die if $@;	1022	die if $@;
717	}	1023	}
718		1024
719	our $override;	1025	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1027
722	sub override {	1028	sub override {
723	$override = 1;	1029	$override = 1;
724	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
725	}	1031	}
726		1032
727	sub do_invoke {	1033	sub do_invoke {
728	my $event = shift;	1034	my $event = shift;
729	my $callbacks = shift;	1035	my $callbacks = shift;
730		1036
731	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
732		1038
733	local $override;	1039	local $override;
734		1040
735	for (@$callbacks) {	1041	for (@$callbacks) {
736	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
745	}	1051	}
746		1052
747	0	1053	0
748	}	1054	}
749		1055
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1057
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1059
754	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
755		1061
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	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	1063	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1065
760	=back	1066	=back
761		1067
762	=cut	1068	=cut
763		1069
764	#############################################################################	1070	#############################################################################
765	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
766		1114
767	sub reattach {	1115	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1117	my ($obj) = @_;
770		1118
		1119	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1121
773	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
774		1123
775	@$registry = ();	1124	@$registry = ();
776		1125
…		…
791	cf::attachable->attach (	1140	cf::attachable->attach (
792	prio => -1000000,	1141	prio => -1000000,
793	on_instantiate => sub {	1142	on_instantiate => sub {
794	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
795		1144
796	$data = from_json $data;	1145	$data = decode_json $data;
797		1146
798	for (@$data) {	1147	for (@$data) {
799	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
800		1149
801	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1166	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
819		1168
820	sync_job {	1169	sync_job {
821	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
824		1174
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1179	aio_close $fh;
830		1180
831	if (@$objs) {	1181	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1187	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
839	}	1189	}
840	} else {	1190	} else {
841	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
842	}	1192	}
843		1193
844	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1198	} else {
846	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
847	}	1200	}
848	} else {	1201	} else {
849	aio_unlink $filename;	1202	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
851	}	1204	}
852	}	1205	};
853	}	1206	}
854		1207
855	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
857		1210
…		…
869	or return;	1222	or return;
870		1223
871	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
873	or return;	1226	or return;
		1227
874	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
875	}	1230	}
876		1231
		1232	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1234	$decname, length $data, scalar @{$av || []};
		1235
879	return ($data, $av);	1236	($data, $av)
880	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
881		1244
882	#############################################################################	1245	#############################################################################
883	# command handling &c	1246	# command handling &c
884		1247
885	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1262	}
900		1263
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1265
903	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
904		1271
905	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
906	called.	1273	called.
907		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
908	=cut	1286	=cut
909		1287
910	sub register_extcmd {	1288	sub register_extcmd {
911	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
912		1290
913	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
914	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
915		1301
916	cf::player->attach (	1302	cf::player->attach (
917	on_command => sub {	1303	on_command => sub {
918	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
919		1305
…		…
927	cf::override;	1313	cf::override;
928	},	1314	},
929	on_extcmd => sub {	1315	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
931		1317
932	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1319
934	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
940	} else {	1335	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1337	}
943		1338
944	cf::override;	1339	cf::override;
945	},	1340	},
946	);	1341	);
947		1342
		1343	# "readahead" all extensions
948	sub load_extension {	1344	sub cache_extensions {
949	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
950		1346
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
952	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1350	}
976	die $@;
977	}	1351	};
978		1352
979	push @EXTS, $pkg;	1353	$grp
980	}	1354	}
981		1355
982	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
983	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1361	next unless -r $path;
985	eval {	1362
986	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
987	1	1419	}
988	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
989	}	1425	};
990	}	1426	}
991		1427
992	#############################################################################	1428	#############################################################################
993		1429
		1430	=back
		1431
994	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
995		1433
996	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
997		1435
998	=cut	1436	=cut
999		1437
1000	package cf::player;	1438	package cf::player;
1001		1439
1002	use Coro::AIO;	1440	use Coro::AIO;
1003		1441
1004	=head3 cf::player	1442	=head3 cf::player
1005		1443
1006	=over 4	1444	=over 4
		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
1007		1459
1008	=item cf::player::find $login	1460	=item cf::player::find $login
1009		1461
1010	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1011		1463
…		…
1030		1482
1031	sub exists($) {	1483	sub exists($) {
1032	my ($login) = @_;	1484	my ($login) = @_;
1033		1485
1034	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1036	}	1488	}
1037		1489
1038	sub find($) {	1490	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1492	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1503
1052	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1055	}	1513	}
1056	}	1514	}
1057	}	1515	}
1058		1516
…		…
1067	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1068		1526
1069	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1071		1529
		1530	cf::get_slot 0.01;
		1531
1072	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1073	Coro::cede;	1533	cf::cede_to_tick;
1074	}	1534	}
1075		1535
1076	sub new($) {	1536	sub new($) {
1077	my ($login) = @_;	1537	my ($login) = @_;
1078		1538
…		…
1084	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1085		1545
1086	$self	1546	$self
1087	}	1547	}
1088		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1089	=item $pl->quit_character	1559	=item $pl->quit_character
1090		1560
1091	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1093		1563
…		…
1097	my ($pl) = @_;	1567	my ($pl) = @_;
1098		1568
1099	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1100		1570
1101	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1573
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1108		1580
1109	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1618	or return [];
1147		1619
1148	my @logins;	1620	my @logins;
1149		1621
1150	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1154		1632
1155	utf8::decode $login;	1633	utf8::decode $login;
1156	push @logins, $login;	1634	push @logins, $login;
1157	}	1635	}
1158		1636
…		…
1185	}	1663	}
1186		1664
1187	\@paths	1665	\@paths
1188	}	1666	}
1189		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1190	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1191		1673
1192	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1193		1675
1194	=cut	1676	=cut
1195		1677
1196	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1198		1680
1199	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1682	}
1203		1683
1204	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1205		1685
1206	Sends an ext event to the client.	1686	Sends an ext event to the client.
1207		1687
1208	=cut	1688	=cut
1209		1689
1210	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1212		1692
1213	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1214	}	1694	}
1215		1695
1216	=head3 cf::region	1696	=head3 cf::region
1217		1697
1218	=over 4	1698	=over 4
…		…
1221		1701
1222	package cf::region;	1702	package cf::region;
1223		1703
1224	=item cf::region::find_by_path $path	1704	=item cf::region::find_by_path $path
1225		1705
1226	Tries to decuce the probable region for a map knowing only its path.	1706	Tries to decuce the likely region for a map knowing only its path.
1227		1707
1228	=cut	1708	=cut
1229		1709
1230	sub find_by_path($) {	1710	sub find_by_path($) {
1231	my ($path) = @_;	1711	my ($path) = @_;
1232		1712
1233	my ($match, $specificity);	1713	my ($match, $specificity);
1234		1714
1235	for my $region (list) {	1715	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1716	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1717	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1718	if $region->specificity > $specificity;
1239	}	1719	}
1240	}	1720	}
1241		1721
…		…
1262	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1264		1744
1265	sub generate_random_map {	1745	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1267	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1751	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1362	return $self;	1845	return $self;
1363	}	1846	}
1364	}	1847	}
1365		1848
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1850	()
1368	}	1851	}
1369		1852
1370	sub init {	1853	sub init {
1371	my ($self) = @_;	1854	my ($self) = @_;
…		…
1393		1876
1394	# the temporary/swap location	1877	# the temporary/swap location
1395	sub save_path {	1878	sub save_path {
1396	my ($self) = @_;	1879	my ($self) = @_;
1397		1880
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1400	}	1883	}
1401		1884
1402	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1403	sub uniq_path {	1886	sub uniq_path {
1404	my ($self) = @_;	1887	my ($self) = @_;
1405		1888
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1408	}	1891	}
1409		1892
1410	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1411	# all maps in C++...	1894	# all maps in C++...
…		…
1434		1917
1435	sub load_header_from($) {	1918	sub load_header_from($) {
1436	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1437		1920
1438	utf8::encode $path;	1921	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1444		1930
1445	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1446		1932
1447	1	1933	1
1448	}	1934	}
…		…
1502	sub find {	1988	sub find {
1503	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1504		1990
1505	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1506		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1508		1995
1509	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1511	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1512	or return;	2001	or return;
1513		2002
1514	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1515		2004
…		…
1517	or return;	2006	or return;
1518		2007
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1522	$map->reset;	2013	$map->reset;
1523	undef $guard;
1524	return find $path;	2014	return find $path;
1525	}	2015	}
1526		2016
1527	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1528	}	2018	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1538		2028
1539	my $path = $self->{path};	2029	my $path = $self->{path};
1540		2030
1541	{	2031	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1543		2033
		2034	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2036
1546	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1547		2038
1548	$self->alloc;	2039	$self->alloc;
1549		2040
1550	$self->pre_load;	2041	$self->pre_load;
1551	Coro::cede;	2042	cf::cede_to_tick;
1552		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1554	or return;	2047	or return;
1555		2048
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1557	if delete $self->{load_original};	2050	if delete $self->{load_original};
1558		2051
1559	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2053	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2056	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1564	}	2060	}
1565	}	2061	}
1566		2062
1567	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1568	# now do the right thing for maps	2066	# now do the right thing for maps
1569	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2069	unless $self->difficulty;
1572	Coro::cede;	2070	cf::cede_to_tick;
1573		2071
1574	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2073	$self->decay_objects;
1576	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1577	$self->update_buttons;	2075	$self->update_buttons;
1578	Coro::cede;	2076	cf::cede_to_tick;
1579	$self->set_darkness_map;	2077	$self->set_darkness_map;
1580	Coro::cede;	2078	cf::cede_to_tick;
1581	$self->activate;	2079	$self->activate;
1582	}	2080	}
1583		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2086	}
1586		2087
1587	$self->post_load;	2088	$self->post_load;
1588	}	2089	}
1589		2090
…		…
1598		2099
1599	$self	2100	$self
1600	}	2101	}
1601		2102
1602	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2104	sub load_neighbours {
1604	my ($map) = @_;	2105	my ($map) = @_;
1605		2106
1606	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1607		2108
1608	for (0 .. 3) {	2109	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1610	or next;	2111	or next;
1611	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1612	or next;	2113	or next;
1613	$neigh->load;	2114	$neigh->load;
1614		2115
		2116	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2119	}
1618		2120
1619	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1621	or next;	2124	or next;
1622	$neigh->load;	2125	$neigh->load;
1623	}	2126	}
1624	}	2127	}
1625		2128
…		…
1630	}	2133	}
1631		2134
1632	sub do_load_sync {	2135	sub do_load_sync {
1633	my ($map) = @_;	2136	my ($map) = @_;
1634		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1635	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1636	}	2142	}
1637		2143
1638	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1640		2146
1641	sub find_async {	2147	sub find_async {
1642	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1643		2149
1644	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1645		2151
1646	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2154	}
1649		2155
1650	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1651	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1652	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2163	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2164	$map->load if $v;
		2165	}
1657		2166
1658	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1659	}	2168	}
1660	}	2169	}
1661	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1662	};	2171	};
1663	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2175	}
1667		2176
1668	sub save {	2177	sub save {
1669	my ($self) = @_;	2178	my ($self) = @_;
1670		2179
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2181
1673	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1674		2183
1675	return unless $self->dirty;	2184	return unless $self->dirty;
1676		2185
…		…
1682	return if $self->{deny_save};	2191	return if $self->{deny_save};
1683		2192
1684	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1685		2194
1686	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1688	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1689		2201
1690	if ($uniq) {	2202	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2205	} else {
…		…
1699	my ($self) = @_;	2211	my ($self) = @_;
1700		2212
1701	# save first because save cedes	2213	# save first because save cedes
1702	$self->save;	2214	$self->save;
1703		2215
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2217
1706	return if $self->players;	2218	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2220	return if $self->{deny_save};
1709		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2226	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2227	}
1713		2228
1714	sub reset_at {	2229	sub reset_at {
1715	my ($self) = @_;	2230	my ($self) = @_;
1716		2231
…		…
1748	if $uniq;	2263	if $uniq;
1749	}	2264	}
1750		2265
1751	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1752		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2270	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2271
1757	$self->unlink_save;	2272	$self->unlink_save;
1758	$self->destroy;	2273	$self->destroy;
1759	}	2274	}
1760		2275
1761	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1762		2277
1763	sub nuke {	2278	sub nuke {
1764	my ($self) = @_;	2279	my ($self) = @_;
1765		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1766	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1767		2285
1768	$self->unlink_save;	2286	$self->unlink_save;
1769		2287
1770	bless $self, "cf::map";	2288	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2293
1776	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1777		2296
1778	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
		2298	}
		2299
		2300	=item $maps = cf::map::tmp_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
		2316	}
		2317
		2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
1779	}	2334	}
1780		2335
1781	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1782		2337
1783	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2339	instantiated unique items. May block.
1785		2340
1786	=cut	2341	=cut
1787		2342
1788	sub unique_maps() {	2343	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2344	[
1790	or return;	2345	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2346	utf8::decode $_;
1796	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2349	? ()
1799	push @paths, cf::map::normalise $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2352	]
1801
1802	\@paths
1803	}	2353	}
1804
1805	package cf;
1806		2354
1807	=back	2355	=back
1808		2356
1809	=head3 cf::object	2357	=head3 cf::object
1810		2358
…		…
1814		2362
1815	=over 4	2363	=over 4
1816		2364
1817	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1818		2366
1819	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1820		2369
1821	=cut	2370	=cut
1822		2371
1823	sub inv_recursive_;	2372	sub inv_recursive_;
1824	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1827		2376
1828	sub inv_recursive {	2377	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1830	}	2379	}
1831		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1832	package cf;	2409	package cf;
1833		2410
1834	=back	2411	=back
1835		2412
1836	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1845		2422
1846	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1847		2438
1848	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2440	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1853		2444
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2446
1856	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1858	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1861	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1862	}	2472	}
1863		2473
1864	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1865		2475
1866	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1879		2489
1880	=item $player_object->enter_link	2490	=item $player_object->enter_link
1881		2491
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2493
1884	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
1886		2498
1887	Will never block.	2499	Will never block.
1888		2500
1889	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1890		2502
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1948		2560
1949	$map->load;	2561	$map->load;
1950	$map->load_diag;	2562	$map->load_neighbours;
1951		2563
1952	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1953	$self->activate_recursive;	2566	$self->activate_recursive;
1954		2567
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1957	}	2570	}
1958		2571
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2573
1961	Moves the player to the given map-path and coordinates by first freezing	2574	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2576	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2577	the new (success) or old (failed) map position. In either case, $done will
		2578	be called at the end of this process.
		2579
		2580	Note that $check will be called with a potentially non-loaded map, so if
		2581	it needs a loaded map it has to call C<< ->load >>.
1965		2582
1966	=cut	2583	=cut
1967		2584
1968	our $GOTOGEN;	2585	our $GOTOGEN;
1969		2586
1970	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2589
1973	# do generation counting so two concurrent goto's will be executed in-order	2590	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2592
1976	$self->enter_link;	2593	$self->enter_link;
1977		2594
1978	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
1979	my $map = eval {	2617	my $map = eval {
1980	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
1981		2619
1982	if ($map) {	2620	if ($map) {
1983	$map = $map->customise_for ($self);	2621	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2622	$map = $check->($map) if $check && $map;
1985	} else {	2623	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2625	}
1988		2626
1989	$map	2627	$map
1990	};	2628	};
1991		2629
…		…
1996		2634
1997	if ($gen == $self->{_goto_generation}) {	2635	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2636	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
2000	}	2638	}
		2639
		2640	$done->() if $done;
2001	})->prio (1);	2641	})->prio (1);
2002	}	2642	}
2003		2643
2004	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
2005		2645
…		…
2025	}	2665	}
2026		2666
2027	sub prepare_random_map {	2667	sub prepare_random_map {
2028	my ($exit) = @_;	2668	my ($exit) = @_;
2029		2669
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2672	# that depends on the exit object
2035		2673
2036	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2676	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2043	}	2683	}
2044		2684
2045	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2046		2686
2047	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2050		2690
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2693	undef $fh;
2054	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2055		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2058	}	2702	}
2059	}	2703	}
2060		2704
2061	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2063		2707
2064	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2065		2709
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2710	$self->enter_link;
2078		2711
2079	(async {	2712	(async {
2080	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2081	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2082	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2083		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2084	1;	2736	1
2085	}) {	2737	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2742
2091	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2110		2762
2111	utf8::encode $text;	2763	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2765	}
2114		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		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	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
2115	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2116		2919
2117	Sends an exti event to the client.	2920	Sends an ext event to the client.
2118		2921
2119	=cut	2922	=cut
2120		2923
2121	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2123		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2126	}	2951	}
2127		2952
2128	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2129		2954
2130	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2958
2134	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2960	become reliable at some point in the future.
2136		2961
2137	=cut	2962	=cut
2138		2963
2139	sub cf::client::query {	2964	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2973	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2975
2151	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2153	}	2980	}
2154		2981
2155	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2156	on_reply => sub {	2988	on_reply => sub {
2157	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2158		2990
2159	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2160	# get handled first	2992	# get handled first
…		…
2172	} else {	3004	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3006	}
2175	}	3007	}
2176	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
2177	);	3035	);
2178		3036
2179	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2180		3038
2181	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2224		3082
2225	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2226		3084
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2228		3090
2229	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2230		3092
2231	=pod	3093	=pod
2232		3094
2233	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2234		3096
2235	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100
2236	cf::object::player player	3101	cf::object::player
2237	cf::player peaceful	3102	player
2238	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2239		3109
2240	=cut	3110	=cut
2241		3111
2242	for (	3112	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2244	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2247	) {	3119	) {
2248	no strict 'refs';	3120	no strict 'refs';
…		…
2319	=back	3191	=back
2320		3192
2321	=cut	3193	=cut
2322		3194
2323	#############################################################################	3195	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3196	# the server's init and main functions
2497		3197
2498	sub load_facedata($) {	3198	sub load_facedata($) {
2499	my ($path) = @_;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3206
2501	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2502		3208
2503	my $facedata;	3209	my $facedata;
2504	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2508		3214
2509	$facedata->{version} == 2	3215	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2512	{	3225	{
2513	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2514		3227
2515	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3235
		3236	cf::cede_to_tick;
2521	}	3237	}
2522		3238
2523	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2525	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2526	or next;	3243	or next;
		3244
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3248	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3250	}
2532	Coro::cede;	3251
		3252	cf::cede_to_tick;
2533	}	3253	}
2534	}	3254	}
2535		3255
2536	{	3256	{
2537	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2538		3258
2539	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3261	cf::cede_to_tick;
2542	}	3262	}
2543		3263
2544	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2545	}	3265	}
2546		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2547	1	3302	1
2548	}	3303	}
2549		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2550	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2551	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
2553	}	3355	}
2554		3356
2555	sub reload_facedata {	3357	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
…		…
2568	}	3370	}
2569		3371
2570	sub reload_resources {	3372	sub reload_resources {
2571	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2572		3374
		3375	reload_facedata;
		3376	reload_archetypes;
2573	reload_regions;	3377	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3378	reload_treasures;
2578		3379
2579	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2580	}	3381	}
2581		3382
2582	sub init {	3383	sub reload_config {
2583	reload_resources;
2584	}
2585
2586	sub cfg_load {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3385	or return;
2589		3386
2590	local $/;	3387	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2592		3389
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3391
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2602	};	3399	};
2603	warn $@ if $@;	3400	warn $@ if $@;
2604	}	3401	}
2605	}	3402	}
2606		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2607	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2608	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3442	(async {
2612	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2614	};	3446	};
2615		3447
2616	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2617	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2618	load_extensions;	3466	load_extensions;
2619		3467
2620	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2621	Event::loop;	3476	EV::loop;
2622	}	3477	}
2623		3478
2624	#############################################################################	3479	#############################################################################
2625	# initialisation and cleanup	3480	# initialisation and cleanup
2626		3481
2627	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2628	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2637	},
2638	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2639	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2640	}	3576	}
2641		3577
2642	sub emergency_save() {	3578	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2644		3580
2645	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2646		3582
2647	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2648	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3597	$pl->save;
2656	}	3598	}
2657	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2658		3600
2659	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3604	$map->valid or next;
2663	$map->save;	3605	$map->save;
2664	}	3606	}
2665	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2666		3608
2667	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2670	};	3616	};
2671		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2672	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2673	}	3624	}
2674		3625
2675	sub post_cleanup {	3626	sub post_cleanup {
2676	my ($make_core) = @_;	3627	my ($make_core) = @_;
2677		3628
2678	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
2680	}	3660	}
2681		3661
2682	sub do_reload_perl() {	3662	sub do_reload_perl() {
2683	# can/must only be called in main	3663	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2685	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2686	return;	3666	return;
2687	}	3667	}
2688		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2689	warn "reloading...";	3674	warn "reloading...";
2690		3675
2691	warn "entering sync_job";	3676	warn "entering sync_job";
2692		3677
2693	cf::sync_job {	3678	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3680	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2697		3682
2698	warn "syncing database to disk";	3683	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3685
2701	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2702		3687
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2714	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();
2722
2723	warn "removing commands";
2724	%COMMAND = ();
2725
2726	warn "removing ext commands";
2727	%EXTCMD = ();
2728
2729	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";
2732
2733	if (my $cb = $pkg->can ("unload")) {
2734	eval {
2735	$cb->($pkg);
2736	1
2737	} or warn "$pkg unloaded, but with errors: $@";
2738	}	3691	}
2739		3692
2740	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2741	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2742	}	3695	%EXT_CORO = ();
2743		3696
2744	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2745	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2748	warn "... unloading $k";	3706	warn "... unloading $pkg";
2749	delete $INC{$k};
2750		3707
2751	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;
2753
2754	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2755	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2756	}	3717	}
2757		3718
2758	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
2759	}	3734	}
2760		3735
2761	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		3739
2765	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
2768		3743
2769	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3745	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2772		3747
2773	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2774		3749
2775	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2776	require cf;	3751	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3753
2779	warn "loading config and database again";	3754	warn "loading config and database again";
2780	cf::cfg_load;	3755	cf::reload_config;
2781		3756
2782	warn "loading extensions";	3757	warn "loading extensions";
2783	cf::load_extensions;	3758	cf::load_extensions;
2784		3759
		3760	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
2791		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
2792	warn "leaving sync_job";	3772	warn "leaving sync_job";
2793		3773
2794	1	3774	1
2795	} or do {	3775	} or do {
2796	warn $@;	3776	warn $@;
2797	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3778	};
2800		3779
2801	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
2802	};	3786	};
2803		3787
2804	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
2805		3789
2806	sub reload_perl() {	3790	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
2809		3793
2810	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	3796
2813	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	3798	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
2817	},	3800	};
2818	);	3801	};
2819	}	3802	}
2820		3803
2821	register_command "reload" => sub {	3804	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2823		3806
2824	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3811	reload_perl;
		3812	};
2827	}	3813	}
2828	};	3814	};
2829		3815
2830	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2831		3817
…		…
2833		3819
2834	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
2836		3822
2837	sub wait_for_tick {	3823	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2840		3825
2841	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3828	$signal->wait;
2844	}	3829	}
2845		3830
2846	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
2849		3833
2850	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3836	$signal->wait;
2853	}	3837	}
2854		3838
2855	my $min = 1e6;#d#	3839	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2867	return;	3843	return;
2868	}	3844	}
2869		3845
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2873		3847
2874	0 && sync_job {#d#	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	3850	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3851	$Coro::current->{desc} = "runtime saver";
2878	or die;	3852	write_runtime_sync
2879		3853	or warn "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3854	};
		3855	}
2896		3856
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3858	$sig->send;
2913	}	3859	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3861	$sig->send;
2916	}	3862	}
2917		3863
2918	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3866
2929	_post_tick;	3867	if (0) {
2930		3868	if ($NEXT_TICK) {
2931		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
2932	},	3873	}
2933	);	3874	}
2934		3875
2935	{	3876	{
2936	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3878
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
2946		3880	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3882
2962	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		3890
2965	cf::sync_job {	3891	cf::sync_job {
2966	eval {	3892	eval {
2967	BDB::db_env_open	3893	BDB::db_env_open
2968	$DB_ENV,	3894	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3898	0666;
2973		3899
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3901	};
2979		3902
2980	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3904	};
2982	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
2983	}	3916	}
2984		3917
2985	{	3918	{
		3919	# configure IO::AIO
		3920
2986	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3924	}
2999		3925
3000	my $_log_backtrace;	3926	my $_log_backtrace;
3001		3927
3002	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3005	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3006		3932
3007	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3010	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
3011	my @bt = fork_call {	3940	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
3023	}	3952	}
3024		3953
3025	@funcs	3954	@funcs
3026	};	3955	};
3027		3956
3028	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	3960	--$_log_backtrace;
3031	};	3961	};
3032	} else {	3962	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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