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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 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
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	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		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
98		134
99	binmode STDOUT;	135	binmode STDOUT;
100	binmode STDERR;	136	binmode STDERR;
101		137
102	# read virtual server time, if available	138	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
107	}	143	}
108		144
109	mkdir $_	145	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		191
156	The raw value load value from the last tick.	192	The raw value load value from the last tick.
157		193
158	=item %cf::CFG	194	=item %cf::CFG
159		195
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	197	from wherever your confdir points to.
162		198
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		200
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	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	202	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.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
169	=back	211	=back
170		212
171	=cut	213	=cut
172		214
173	BEGIN {	215	BEGIN {
…		…
177	$msg .= "\n"	219	$msg .= "\n"
178	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
179		221
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		223
182	utf8::encode $msg;
183	LOG llevError, $msg;	224	LOG llevError, $msg;
184	};	225	};
185	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
186		242
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		250
194	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	252	# within the Safe compartment.
196	for my $pkg (qw(	253	for my $pkg (qw(
197	cf::global cf::attachable	254	cf::global cf::attachable
198	cf::object cf::object::player	255	cf::object cf::object::player
199	cf::client cf::player	256	cf::client cf::player
200	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
201	cf::map cf::party cf::region	259	cf::party cf::region
202	)) {	260	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	262	}
206		263
207	$Event::DIED = sub {	264	$EV::DIED = sub {
208	warn "error in event callback: @_";	265	warn "error in event callback: @_";
209	};	266	};
		267
		268	#############################################################################
210		269
211	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
212		271
213	=over 4	272	=over 4
214		273
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	293	$d
235	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
236	}	295	}
237		296
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
241		298
242	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
243		300
244	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
245		302
246	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
247		325
248	=item cf::lock_wait $string	326	=item cf::lock_wait $string
249		327
250	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
251		329
…		…
254	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
257	returned.	335	returned.
258		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
259	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
261		342
262	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
263		344
264	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
265		346
266	=cut	347	=cut
267		348
268	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
269		351
270	sub lock_wait($) {	352	sub lock_wait($) {
271	my ($key) = @_;	353	my ($key) = @_;
272		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
273	# wait for lock, if any	360	# wait for lock, if any
274	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
275	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	364	Coro::schedule;
277	}	365	}
278	}	366	}
279		367
…		…
282		370
283	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
284	lock_wait $key;	372	lock_wait $key;
285		373
286	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
287		376
288	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
291	}	381	}
292	}	382	}
293		383
…		…
296		386
297	! ! $LOCK{$key}	387	! ! $LOCK{$key}
298	}	388	}
299		389
300	sub freeze_mainloop {	390	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
302		392
303	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
305	};	454	}
306	$TICK_WATCHER->stop;	455	};
307	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
308	}	469	}
309		470
310	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
311		472
312	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		478
318	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
319		480
320	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
321		482
322	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
325		487
326	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
329	fast or be very important.	491	fast or be very important.
…		…
332		494
333	sub sync_job(&) {	495	sub sync_job(&) {
334	my ($job) = @_;	496	my ($job) = @_;
335		497
336	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	499	my $time = EV::time;
338		500
339	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
341		503
342	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	505
344	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
345		507
346	my $busy = 1;	508	my $busy = 1;
347	my @res;	509	my @res;
348		510
349	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	513	@res = eval { $job->() };
351	warn $@ if $@;	514	warn $@ if $@;
352	undef $busy;	515	undef $busy;
353	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
354		517
355	while ($busy) {	518	while ($busy) {
356	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
357	}	523	}
		524	}
358		525
359	$time = Event::time - $time;	526	my $time = EV::time - $time;
360		527
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
365		529
366	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
367	} else {	531	} else {
368	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
369		533
…		…
389	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
390		554
391	$coro	555	$coro
392	}	556	}
393		557
394	sub write_runtime {	558	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		559
397	# first touch the runtime file to show we are still running:	560	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
399		564
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	565	=cut
401	utime undef, undef, $fh;	566
		567	sub fork_call(&@) {
		568	my ($cb, @args) = @_;
		569
		570	# we seemingly have to make a local copy of the whole thing,
		571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
		573
		574	my @res = Coro::Util::fork_eval {
		575	reset_signals;
		576	&$cb
		577	}, @args;
		578
		579	wantarray ? @res : $res[-1]
		580	}
		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
402	}	636	};
		637	cf::cleanup "db_open(db): $@" if $@;
403		638
404	my $guard = cf::lock_acquire "write_runtime";	639	$db
		640	}
405		641
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	642	our $DB;
407	or return;
408		643
409	my $value = $cf::RUNTIME + 90 + 10;	644	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	645	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	646	$DB ||= db_table "db";
		647	};
		648	}
412		649
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	650	sub db_get($$) {
414	and return;	651	my $key = "$_[0]/$_[1]";
415		652
416	# always fsync - this file is important	653	cf::sync_job {
417	aio_fsync $fh	654	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		655
420	# touch it again to show we are up-to-date	656	$! ? ()
421	utime undef, undef, $fh;	657	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
432	}	734	}
433		735
434	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
435		737
436	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		750
449	#############################################################################	751	#############################################################################
450		752
451	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
452		754
453	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
456		758
457	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	761	Deliantra).
460		762
461	=over 4	763	=over 4
462		764
463	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
464		766
…		…
508	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
509		811
510	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
512		814
513	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
515		817
516	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
517		819
518	=over 4	820	=over 4
…		…
666	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
667	}	969	}
668		970
669	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
670	} else {	972	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	974	}
673		975
674	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
675	}	977	}
676		978
…		…
716	";	1018	";
717	die if $@;	1019	die if $@;
718	}	1020	}
719		1021
720	our $override;	1022	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1024
723	sub override {	1025	sub override {
724	$override = 1;	1026	$override = 1;
725	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
726	}	1028	}
727		1029
728	sub do_invoke {	1030	sub do_invoke {
729	my $event = shift;	1031	my $event = shift;
730	my $callbacks = shift;	1032	my $callbacks = shift;
731		1033
732	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
733		1035
734	local $override;	1036	local $override;
735		1037
736	for (@$callbacks) {	1038	for (@$callbacks) {
737	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
746	}	1048	}
747		1049
748	0	1050	0
749	}	1051	}
750		1052
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1054
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1056
755	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
756		1058
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1062
761	=back	1063	=back
762		1064
763	=cut	1065	=cut
764		1066
765	#############################################################################	1067	#############################################################################
766	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
767		1111
768	sub reattach {	1112	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1114	my ($obj) = @_;
771		1115
		1116	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1118
774	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
775		1120
776	@$registry = ();	1121	@$registry = ();
777		1122
…		…
792	cf::attachable->attach (	1137	cf::attachable->attach (
793	prio => -1000000,	1138	prio => -1000000,
794	on_instantiate => sub {	1139	on_instantiate => sub {
795	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
796		1141
797	$data = from_json $data;	1142	$data = decode_json $data;
798		1143
799	for (@$data) {	1144	for (@$data) {
800	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
801		1146
802	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1163	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
820		1165
821	sync_job {	1166	sync_job {
822	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
825		1171
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1176	aio_close $fh;
831		1177
832	if (@$objs) {	1178	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1184	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
840	}	1186	}
841	} else {	1187	} else {
842	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
843	}	1189	}
…		…
848	}	1194	}
849	} else {	1195	} else {
850	aio_unlink $filename;	1196	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
852	}	1198	}
853	}	1199	};
854	}	1200	}
855		1201
856	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
858		1204
…		…
870	or return;	1216	or return;
871		1217
872	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
874	or return;	1220	or return;
		1221
875	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
876	}	1224	}
877		1225
		1226	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
880	return ($data, $av);	1230	($data, $av)
881	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
882		1238
883	#############################################################################	1239	#############################################################################
884	# command handling &c	1240	# command handling &c
885		1241
886	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1256	}
901		1257
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1259
904	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
905		1265
906	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
907	called.	1267	called.
908		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
909	=cut	1280	=cut
910		1281
911	sub register_extcmd {	1282	sub register_extcmd {
912	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
913		1284
914	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
915	}	1292	}
916		1293
917	cf::player->attach (	1294	cf::player->attach (
918	on_command => sub {	1295	on_command => sub {
919	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1305	cf::override;
929	},	1306	},
930	on_extcmd => sub {	1307	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
932		1309
933	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1311
935	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
941	} else {	1327	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1329	}
944		1330
945	cf::override;	1331	cf::override;
946	},	1332	},
947	);	1333	);
948		1334
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
984	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1340	next unless -r $path;
986	eval {	1341
987	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
988	1	1398	}
989	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
990	}	1404	};
991	}	1405	}
992		1406
993	#############################################################################	1407	#############################################################################
994		1408
		1409	=back
		1410
995	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
996		1412
997	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
998		1414
999	=cut	1415	=cut
1000		1416
1001	package cf::player;	1417	package cf::player;
1002		1418
1003	use Coro::AIO;	1419	use Coro::AIO;
1004		1420
1005	=head3 cf::player	1421	=head3 cf::player
1006		1422
1007	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
1008		1438
1009	=item cf::player::find $login	1439	=item cf::player::find $login
1010		1440
1011	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1012		1442
…		…
1031		1461
1032	sub exists($) {	1462	sub exists($) {
1033	my ($login) = @_;	1463	my ($login) = @_;
1034		1464
1035	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1037	}	1467	}
1038		1468
1039	sub find($) {	1469	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1471	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1482
1053	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1056	}	1492	}
1057	}	1493	}
1058	}	1494	}
1059		1495
…		…
1068	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1069		1505
1070	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1072		1508
		1509	cf::get_slot 0.01;
		1510
1073	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1074	Coro::cede;	1512	cf::cede_to_tick;
1075	}	1513	}
1076		1514
1077	sub new($) {	1515	sub new($) {
1078	my ($login) = @_;	1516	my ($login) = @_;
1079		1517
…		…
1085	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1086		1524
1087	$self	1525	$self
1088	}	1526	}
1089		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1090	=item $pl->quit_character	1538	=item $pl->quit_character
1091		1539
1092	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1094		1542
…		…
1098	my ($pl) = @_;	1546	my ($pl) = @_;
1099		1547
1100	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1101		1549
1102	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1552
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1109		1559
1110	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1597	or return [];
1148		1598
1149	my @logins;	1599	my @logins;
1150		1600
1151	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1155		1611
1156	utf8::decode $login;	1612	utf8::decode $login;
1157	push @logins, $login;	1613	push @logins, $login;
1158	}	1614	}
1159		1615
…		…
1186	}	1642	}
1187		1643
1188	\@paths	1644	\@paths
1189	}	1645	}
1190		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1191	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1192		1652
1193	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1194		1654
1195	=cut	1655	=cut
1196		1656
1197	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1199		1659
1200	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1661	}
1204		1662
1205	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1206		1664
1207	Sends an ext event to the client.	1665	Sends an ext event to the client.
1208		1666
1209	=cut	1667	=cut
1210		1668
1211	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1213		1671
1214	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1215	}	1673	}
1216		1674
1217	=head3 cf::region	1675	=head3 cf::region
1218		1676
1219	=over 4	1677	=over 4
…		…
1222		1680
1223	package cf::region;	1681	package cf::region;
1224		1682
1225	=item cf::region::find_by_path $path	1683	=item cf::region::find_by_path $path
1226		1684
1227	Tries to decuce the probable region for a map knowing only its path.	1685	Tries to decuce the likely region for a map knowing only its path.
1228		1686
1229	=cut	1687	=cut
1230		1688
1231	sub find_by_path($) {	1689	sub find_by_path($) {
1232	my ($path) = @_;	1690	my ($path) = @_;
1233		1691
1234	my ($match, $specificity);	1692	my ($match, $specificity);
1235		1693
1236	for my $region (list) {	1694	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1695	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1696	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1697	if $region->specificity > $specificity;
1240	}	1698	}
1241	}	1699	}
1242		1700
…		…
1263	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1265		1723
1266	sub generate_random_map {	1724	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1268	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1730	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1307		1768
1308	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1309	local $self->{path};	1770	local $self->{path};
1310	local $self->{load_path};	1771	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1772
1314	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1315	}	1774	}
1316		1775
1317	sub normalise {	1776	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1365	return $self;	1824	return $self;
1366	}	1825	}
1367	}	1826	}
1368		1827
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1829	()
1371	}	1830	}
1372		1831
1373	sub init {	1832	sub init {
1374	my ($self) = @_;	1833	my ($self) = @_;
…		…
1396		1855
1397	# the temporary/swap location	1856	# the temporary/swap location
1398	sub save_path {	1857	sub save_path {
1399	my ($self) = @_;	1858	my ($self) = @_;
1400		1859
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1403	}	1862	}
1404		1863
1405	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1406	sub uniq_path {	1865	sub uniq_path {
1407	my ($self) = @_;	1866	my ($self) = @_;
1408		1867
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1411	}	1870	}
1412		1871
1413	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1414	# all maps in C++...	1873	# all maps in C++...
…		…
1417		1876
1418	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1420	}	1879	}
1421		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1422	sub unlink_save {	1889	sub unlink_save {
1423	my ($self) = @_;	1890	my ($self) = @_;
1424		1891
1425	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1896
1430	sub load_header_from($) {	1897	sub load_header_from($) {
1431	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1432		1899
1433	utf8::encode $path;	1900	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1439		1909
1440	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1441		1911
1442	1	1912	1
1443	}	1913	}
…		…
1482	$self->load_header_orig	1952	$self->load_header_orig
1483	or return;	1953	or return;
1484	$self->prepare_orig;	1954	$self->prepare_orig;
1485	}	1955	}
1486		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1487	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1961	unless $self->default_region;
1489		1962
1490	1	1963	1
1491	}	1964	}
…		…
1494	sub find {	1967	sub find {
1495	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1496		1969
1497	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1498		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1500		1974
1501	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1503	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1504	or return;	1980	or return;
1505		1981
1506	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1507		1983
1508	$map->load_header	1984	$map->load_header
1509	or return;	1985	or return;
1510		1986
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1514	$map->reset;	1992	$map->reset;
1515	undef $guard;
1516	return find $path;	1993	return find $path;
1517	}	1994	}
1518		1995
1519	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1520	}	1997	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1530		2007
1531	my $path = $self->{path};	2008	my $path = $self->{path};
1532		2009
1533	{	2010	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1535		2012
		2013	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2015
1538	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1539		2017
1540	$self->alloc;	2018	$self->alloc;
1541		2019
1542	$self->pre_load;	2020	$self->pre_load;
1543	Coro::cede;	2021	cf::cede_to_tick;
1544		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1546	or return;	2026	or return;
1547		2027
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1549	if delete $self->{load_original};	2029	if delete $self->{load_original};
1550		2030
1551	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2032	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2035	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1556	}	2039	}
1557	}	2040	}
1558		2041
1559	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1560	# now do the right thing for maps	2045	# now do the right thing for maps
1561	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2048	unless $self->difficulty;
1564	Coro::cede;	2049	cf::cede_to_tick;
1565		2050
1566	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2052	$self->decay_objects;
1568	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1569	$self->update_buttons;	2054	$self->update_buttons;
1570	Coro::cede;	2055	cf::cede_to_tick;
1571	$self->set_darkness_map;	2056	$self->set_darkness_map;
1572	Coro::cede;	2057	cf::cede_to_tick;
1573	$self->activate;	2058	$self->activate;
1574	}	2059	}
1575		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2065	}
1578		2066
1579	$self->post_load;	2067	$self->post_load;
1580	}	2068	}
1581		2069
…		…
1583	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1584		2072
1585	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2074	if $self->per_player;
1587		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1588	$self	2079	$self
1589	}	2080	}
1590		2081
1591	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2083	sub load_neighbours {
1593	my ($map) = @_;	2084	my ($map) = @_;
1594		2085
1595	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1596		2087
1597	for (0 .. 3) {	2088	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1599	or next;	2090	or next;
1600	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1601	or next;	2092	or next;
1602	$neigh->load;	2093	$neigh->load;
1603		2094
		2095	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2098	}
1607		2099
1608	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1610	or next;	2103	or next;
1611	$neigh->load;	2104	$neigh->load;
1612	}	2105	}
1613	}	2106	}
1614		2107
…		…
1619	}	2112	}
1620		2113
1621	sub do_load_sync {	2114	sub do_load_sync {
1622	my ($map) = @_;	2115	my ($map) = @_;
1623		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1624	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1625	}	2121	}
1626		2122
1627	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1629		2125
1630	sub find_async {	2126	sub find_async {
1631	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1632		2128
1633	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1634		2130
1635	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2133	}
1638		2134
1639	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1640	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1641	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2142	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2143	$map->load if $v;
		2144	}
1646		2145
1647	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1648	}	2147	}
1649	}	2148	}
1650	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1651	};	2150	};
1652	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2154	}
1656		2155
1657	sub save {	2156	sub save {
1658	my ($self) = @_;	2157	my ($self) = @_;
1659		2158
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2160
1662	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1663		2162
1664	return unless $self->dirty;	2163	return unless $self->dirty;
1665		2164
…		…
1671	return if $self->{deny_save};	2170	return if $self->{deny_save};
1672		2171
1673	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1674		2173
1675	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1677	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1678		2180
1679	if ($uniq) {	2181	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2184	} else {
…		…
1688	my ($self) = @_;	2190	my ($self) = @_;
1689		2191
1690	# save first because save cedes	2192	# save first because save cedes
1691	$self->save;	2193	$self->save;
1692		2194
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2196
1695	return if $self->players;	2197	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2199	return if $self->{deny_save};
1698		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2205	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2206	}
1702		2207
1703	sub reset_at {	2208	sub reset_at {
1704	my ($self) = @_;	2209	my ($self) = @_;
1705		2210
1706	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1709		2213
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2216
…		…
1723	my ($self) = @_;	2227	my ($self) = @_;
1724		2228
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2230
1727	return if $self->players;	2231	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2232
1730	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
1731		2234
1732	$self->in_memory (cf::MAP_SWAPPED);	2235	$self->in_memory (cf::MAP_SWAPPED);
1733		2236
1734	# need to save uniques path	2237	# need to save uniques path
1735	unless ($self->{deny_save}) {	2238	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2242	if $uniq;
1740	}	2243	}
1741		2244
1742	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1743		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2249	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2250
1748	$self->unlink_save;	2251	$self->unlink_save;
1749	$self->destroy;	2252	$self->destroy;
1750	}	2253	}
1751		2254
1752	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1753		2256
1754	sub nuke {	2257	sub nuke {
1755	my ($self) = @_;	2258	my ($self) = @_;
1756		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1757	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1758		2264
1759	$self->unlink_save;	2265	$self->unlink_save;
1760		2266
1761	bless $self, "cf::map";	2267	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2272
1767	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1768		2275
1769	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1770	}	2313	}
1771		2314
1772	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1773		2316
1774	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2318	instantiated unique items. May block.
1776		2319
1777	=cut	2320	=cut
1778		2321
1779	sub unique_maps() {	2322	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2323	[
1781	or return;	2324	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2325	utf8::decode $_;
1787	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2328	? ()
1790	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2331	]
1792
1793	\@paths
1794	}	2332	}
1795
1796	package cf;
1797		2333
1798	=back	2334	=back
1799		2335
1800	=head3 cf::object	2336	=head3 cf::object
1801		2337
…		…
1805		2341
1806	=over 4	2342	=over 4
1807		2343
1808	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1809		2345
1810	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1811		2348
1812	=cut	2349	=cut
1813		2350
1814	sub inv_recursive_;	2351	sub inv_recursive_;
1815	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1818		2355
1819	sub inv_recursive {	2356	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1821	}	2358	}
1822		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1823	package cf;	2388	package cf;
1824		2389
1825	=back	2390	=back
1826		2391
1827	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1836		2401
1837	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1838		2417
1839	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2419	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1844		2423
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2425
1847	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1849	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1852	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1853	}	2451	}
1854		2452
1855	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1856		2454
1857	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1870		2468
1871	=item $player_object->enter_link	2469	=item $player_object->enter_link
1872		2470
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2472
1875	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1877		2477
1878	Will never block.	2478	Will never block.
1879		2479
1880	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1881		2481
…		…
1904	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1905		2505
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2507
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1910		2510
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2512	}
1913		2513
1914	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1916		2518
1917	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1918		2520
1919	unless ($map) {	2521	unless ($map) {
1920	# restore original map position	2522	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1937		2539
1938	$map->load;	2540	$map->load;
1939	$map->load_diag;	2541	$map->load_neighbours;
1940		2542
1941	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2545	$self->activate_recursive;
1943		2546
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1946	}	2549	}
1947		2550
1948	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2552
1952	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1956	};	2557	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2558
1962	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1963	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2561
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1983		2565
1984	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2571
1987	$self->enter_link;	2572	$self->enter_link;
1988		2573
1989	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1990	my $map = eval {	2596	my $map = eval {
1991	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
		2601	$map = $check->($map) if $check && $map;
		2602	} else {
		2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
		2605
1993	$map	2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2612	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1998	})->prio (1);	2620	})->prio (1);
1999	}	2621	}
2000		2622
2001	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
2002		2624
…		…
2022	}	2644	}
2023		2645
2024	sub prepare_random_map {	2646	sub prepare_random_map {
2025	my ($exit) = @_;	2647	my ($exit) = @_;
2026		2648
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2651	# that depends on the exit object
2032		2652
2033	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2655	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2040	}	2662	}
2041		2663
2042	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2043		2665
2044	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2047		2669
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2672	undef $fh;
2051	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2052		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2055	}	2681	}
2056	}	2682	}
2057		2683
2058	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2060		2686
2061	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2062		2688
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2689	$self->enter_link;
2075		2690
2076	(async {	2691	(async {
2077	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2078	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2079	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2080		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2081	1;	2715	1
2082	}) {	2716	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2721
2088	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2107		2741
2108	utf8::encode $text;	2742	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2744	}
2111		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
2112	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2113		2898
2114	Sends an exti event to the client.	2899	Sends an ext event to the client.
2115		2900
2116	=cut	2901	=cut
2117		2902
2118	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2120		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2123	}	2930	}
2124		2931
2125	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2126		2933
2127	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2937
2131	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2939	become reliable at some point in the future.
2133		2940
2134	=cut	2941	=cut
2135		2942
2136	sub cf::client::query {	2943	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2952	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2954
2148	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2150	}	2959	}
2151		2960
2152	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2153	on_reply => sub {	2967	on_reply => sub {
2154	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2155		2969
2156	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2157	# get handled first	2971	# get handled first
…		…
2169	} else {	2983	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2985	}
2172	}	2986	}
2173	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2174	);	3014	);
2175		3015
2176	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2177		3017
2178	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2221		3061
2222	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2223		3063
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2225		3069
2226	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2227		3071
2228	=pod	3072	=pod
2229		3073
2230	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2231		3075
2232	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2233	cf::object::player player	3080	cf::object::player
2234	cf::player peaceful	3081	player
2235	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2236		3088
2237	=cut	3089	=cut
2238		3090
2239	for (	3091	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2241	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2244	) {	3098	) {
2245	no strict 'refs';	3099	no strict 'refs';
…		…
2316	=back	3170	=back
2317		3171
2318	=cut	3172	=cut
2319		3173
2320	#############################################################################	3174	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3175	# the server's init and main functions
2496		3176
2497	sub load_facedata($) {	3177	sub load_facedata($) {
2498	my ($path) = @_;	3178	my ($path) = @_;
		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3185
2500	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2501		3187
2502	my $facedata;	3188	my $facedata;
2503	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2507		3193
2508	$facedata->{version} == 2	3194	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2511	{	3204	{
2512	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2513		3206
2514	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3214
		3215	cf::cede_to_tick;
2520	}	3216	}
2521		3217
2522	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2524	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2525	or next;	3222	or next;
		3223
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3227	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3229	}
2531	Coro::cede;	3230
		3231	cf::cede_to_tick;
2532	}	3232	}
2533	}	3233	}
2534		3234
2535	{	3235	{
2536	my $anims = $facedata->{animinfo};	3236	my $anims = $facedata->{animinfo};
2537		3237
2538	while (my ($anim, $info) = each %$anims) {	3238	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3240	cf::cede_to_tick;
2541	}	3241	}
2542		3242
2543	cf::anim::invalidate_all; # d'oh	3243	cf::anim::invalidate_all; # d'oh
2544	}	3244	}
2545		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2546	1	3281	1
2547	}	3282	}
2548		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
2549	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2550	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
2552	}	3334	}
2553		3335
2554	sub reload_facedata {	3336	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3337	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3338	or die "unable to load facedata\n";
…		…
2567	}	3349	}
2568		3350
2569	sub reload_resources {	3351	sub reload_resources {
2570	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2571		3353
2572	reload_regions;
2573	reload_facedata;	3354	reload_facedata;
2574	reload_archetypes;	3355	reload_archetypes;
		3356	reload_regions;
2575	reload_treasures;	3357	reload_treasures;
2576		3358
2577	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2578	}	3360	}
2579		3361
2580	sub init {	3362	sub reload_config {
2581	reload_resources;
2582	}
2583
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3364	or return;
2587		3365
2588	local $/;	3366	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2590		3368
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3370
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	};	3378	};
2601	warn $@ if $@;	3379	warn $@ if $@;
2602	}	3380	}
2603	}	3381	}
2604		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2605	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2606	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3421	(async {
2610	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2612	};	3425	};
2613		3426
2614	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2615	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2616	load_extensions;	3445	load_extensions;
2617		3446
2618	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2619	Event::loop;	3455	EV::loop;
2620	}	3456	}
2621		3457
2622	#############################################################################	3458	#############################################################################
2623	# initialisation and cleanup	3459	# initialisation and cleanup
2624		3460
2625	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2626	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2635	},
2636	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2637	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2638	}	3555	}
2639		3556
2640	sub emergency_save() {	3557	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2642		3559
…		…
2648	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3571	$pl->save;
2654	}	3572	}
2655	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2656		3574
2657	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2664		3582
2665	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2668	};	3590	};
2669		3591
2670	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2671	}	3593	}
2672		3594
2673	sub post_cleanup {	3595	sub post_cleanup {
2674	my ($make_core) = @_;	3596	my ($make_core) = @_;
2675		3597
2676	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
2678	}	3629	}
2679		3630
2680	sub do_reload_perl() {	3631	sub do_reload_perl() {
2681	# can/must only be called in main	3632	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2684	return;	3635	return;
2685	}	3636	}
2686		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2687	warn "reloading...";	3641	warn "reloading...";
2688		3642
2689	warn "entering sync_job";	3643	warn "entering sync_job";
2690		3644
2691	cf::sync_job {	3645	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3647	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2695		3649
2696	warn "syncing database to disk";	3650	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3652
2699	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2700		3654
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3658	}
2737		3659
2738	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2740	}	3662	%EXT_CORO = ();
2741		3663
2742	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3673	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3674
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2753	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2754	}	3684	}
2755		3685
2756	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2757	}	3701	}
2758		3702
2759	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3706
2763	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
2766		3710
2767	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3712	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2770		3714
2771	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2772		3716
2773	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2774	require cf;	3718	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3720
2777	warn "loading config and database again";	3721	warn "loading config and database again";
2778	cf::cfg_load;	3722	cf::reload_config;
2779		3723
2780	warn "loading extensions";	3724	warn "loading extensions";
2781	cf::load_extensions;	3725	cf::load_extensions;
2782		3726
2783	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2789		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
2790	warn "leaving sync_job";	3737	warn "leaving sync_job";
2791		3738
2792	1	3739	1
2793	} or do {	3740	} or do {
2794	warn $@;	3741	warn $@;
2795	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3743	};
2798		3744
2799	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
2800	};	3748	};
2801		3749
2802	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
2803		3751
2804	sub reload_perl() {	3752	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
2807		3755
2808	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3757	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
2815	},
2816	);	3759	};
2817	}	3760	}
2818		3761
2819	register_command "reload" => sub {	3762	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2821		3764
2822	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3769	reload_perl;
		3770	};
2825	}	3771	}
2826	};	3772	};
2827		3773
2828	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2829		3775
…		…
2831		3777
2832	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
2834		3780
2835	sub wait_for_tick {	3781	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3783
2839	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3786	$signal->wait;
2842	}	3787	}
2843		3788
2844	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3791
2848	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3794	$signal->wait;
2851	}	3795	}
2852		3796
2853	$TICK_WATCHER = Event->timer (	3797	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2863	return;	3801	return;
2864	}	3802	}
2865		3803
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2869		3805
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3810	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3812	};
		3813	}
2880		3814
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3816	$sig->send;
2886	}	3817	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3819	$sig->send;
2889	}	3820	}
2890		3821
2891	$NOW = Event::time;	3822	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3824
2902	_post_tick;	3825	if (0) {
2903		3826	if ($NEXT_TICK) {
2904		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
2905	},	3831	}
2906	);	3832	}
2907		3833
2908	{	3834	{
2909	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3836
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2919		3838	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3840
2935	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3848
2938	cf::sync_job {	3849	cf::sync_job {
2939	eval {	3850	eval {
2940	BDB::db_env_open	3851	BDB::db_env_open
2941	$DB_ENV,	3852	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3856	0666;
2946		3857
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3859	};
2952		3860
2953	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3862	};
2955	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
2956	}	3874	}
2957		3875
2958	{	3876	{
		3877	# configure IO::AIO
		3878
2959	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3882	}
2972		3883
2973	my $_log_backtrace;	3884	my $_log_backtrace;
2974		3885
2975	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
2979		3890
2980	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
2983	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
2984	my @bt = fork_call {	3898	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
2996	}	3910	}
2997		3911
2998	@funcs	3912	@funcs
2999	};	3913	};
3000		3914
3001	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	3918	--$_log_backtrace;
3004	};	3919	};
3005	} else {	3920	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

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