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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 1.452 by root, Tue Sep 23 00:24:52 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 $TICK_START; # for load detecting purposes
98		132
99	binmode STDOUT;	133	binmode STDOUT;
100	binmode STDERR;	134	binmode STDERR;
101		135
102	# read virtual server time, if available	136	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
107	}	141	}
108		142
109	mkdir $_	143	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		189
156	The raw value load value from the last tick.	190	The raw value load value from the last tick.
157		191
158	=item %cf::CFG	192	=item %cf::CFG
159		193
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	195	from wherever your confdir points to.
162		196
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		198
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	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	200	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.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
169	=back	209	=back
170		210
171	=cut	211	=cut
172		212
173	BEGIN {	213	BEGIN {
…		…
177	$msg .= "\n"	217	$msg .= "\n"
178	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
179		219
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		221
182	utf8::encode $msg;
183	LOG llevError, $msg;	222	LOG llevError, $msg;
184	};	223	};
185	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
186		240
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		248
194	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	250	# within the Safe compartment.
196	for my $pkg (qw(	251	for my $pkg (qw(
197	cf::global cf::attachable	252	cf::global cf::attachable
198	cf::object cf::object::player	253	cf::object cf::object::player
199	cf::client cf::player	254	cf::client cf::player
200	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
201	cf::map cf::party cf::region	257	cf::party cf::region
202	)) {	258	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	260	}
206		261
207	$Event::DIED = sub {	262	$EV::DIED = sub {
208	warn "error in event callback: @_";	263	warn "error in event callback: @_";
209	};	264	};
		265
		266	#############################################################################
210		267
211	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
212		269
213	=over 4	270	=over 4
214		271
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	291	$d
235	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
236	}	293	}
237		294
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
241		296
242	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
243		298
244	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
245		300
246	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
247		309
248	=item cf::lock_wait $string	310	=item cf::lock_wait $string
249		311
250	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
251		313
…		…
254	Wait until the given lock is available and then acquires it and returns	316	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,	317	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	318	for example when the coroutine gets canceled), the lock is automatically
257	returned.	319	returned.
258		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
259	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
261		326
262	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
263		328
264	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
265		330
266	=cut	331	=cut
267		332
268	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
269		335
270	sub lock_wait($) {	336	sub lock_wait($) {
271	my ($key) = @_;	337	my ($key) = @_;
272		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
273	# wait for lock, if any	344	# wait for lock, if any
274	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
275	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	348	Coro::schedule;
277	}	349	}
278	}	350	}
279		351
…		…
282		354
283	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
284	lock_wait $key;	356	lock_wait $key;
285		357
286	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
287		360
288	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
291	}	365	}
292	}	366	}
293		367
…		…
296		370
297	! ! $LOCK{$key}	371	! ! $LOCK{$key}
298	}	372	}
299		373
300	sub freeze_mainloop {	374	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
302		376
303	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
305	};	438	}
306	$TICK_WATCHER->stop;	439	};
307	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
308	}	453	}
309		454
310	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
311		456
312	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		462
318	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
319		464
320	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
321		466
322	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
325		471
326	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
329	fast or be very important.	475	fast or be very important.
…		…
332		478
333	sub sync_job(&) {	479	sub sync_job(&) {
334	my ($job) = @_;	480	my ($job) = @_;
335		481
336	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	483	my $time = EV::time;
338		484
339	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
341		487
342	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	489
344	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
345		491
346	my $busy = 1;	492	my $busy = 1;
347	my @res;	493	my @res;
348		494
349	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	497	@res = eval { $job->() };
351	warn $@ if $@;	498	warn $@ if $@;
352	undef $busy;	499	undef $busy;
353	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
354		501
355	while ($busy) {	502	while ($busy) {
356	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
357	}	507	}
		508	}
358		509
359	$time = Event::time - $time;	510	my $time = EV::time - $time;
360		511
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	512	$TICK_START += $time; # do not account sync jobs to server load
365		513
366	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
367	} else {	515	} else {
368	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
369		517
…		…
389	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
390		538
391	$coro	539	$coro
392	}	540	}
393		541
394	sub write_runtime {	542	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		543
397	# first touch the runtime file to show we are still running:	544	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
399		548
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	549	=cut
401	utime undef, undef, $fh;	550
		551	sub fork_call(&@) {
		552	my ($cb, @args) = @_;
		553
		554	# we seemingly have to make a local copy of the whole thing,
		555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
		557
		558	my @res = Coro::Util::fork_eval {
		559	reset_signals;
		560	&$cb
		561	}, @args;
		562
		563	wantarray ? @res : $res[-1]
		564	}
		565
		566	=item $coin = coin_from_name $name
		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
		592
		593	=item $value = cf::db_get $family => $key
		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
402	}	620	};
		621	cf::cleanup "db_open(db): $@" if $@;
403		622
404	my $guard = cf::lock_acquire "write_runtime";	623	$db
		624	}
405		625
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	626	our $DB;
407	or return;
408		627
409	my $value = $cf::RUNTIME + 90 + 10;	628	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	629	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	630	$DB ||= db_table "db";
		631	};
		632	}
412		633
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	634	sub db_get($$) {
414	and return;	635	my $key = "$_[0]/$_[1]";
415		636
416	# always fsync - this file is important	637	cf::sync_job {
417	aio_fsync $fh	638	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		639
420	# touch it again to show we are up-to-date	640	$! ? ()
421	utime undef, undef, $fh;	641	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
432	}	718	}
433		719
434	=item cf::datalog type => key => value, ...	720	=item cf::datalog type => key => value, ...
435		721
436	Log a datalog packet of the given type with the given key-value pairs.	722	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		734
449	#############################################################################	735	#############################################################################
450		736
451	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
452		738
453	Many objects in crossfire are so-called attachable objects. That means you can	739	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")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
456		742
457	In the following description, CLASS can be any of C<global>, C<object>	743	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	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	745	Deliantra).
460		746
461	=over 4	747	=over 4
462		748
463	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
464		750
…		…
508	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
509		795
510	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
512		798
513	Some classes such as crossfire maps and objects can specify attachments	799	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.	800	that are attached at load/instantiate time, thus the need for a name.
515		801
516	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
517		803
518	=over 4	804	=over 4
…		…
666	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
667	}	953	}
668		954
669	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
670	} else {	956	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	958	}
673		959
674	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
675	}	961	}
676		962
…		…
716	";	1002	";
717	die if $@;	1003	die if $@;
718	}	1004	}
719		1005
720	our $override;	1006	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1008
723	sub override {	1009	sub override {
724	$override = 1;	1010	$override = 1;
725	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
726	}	1012	}
727		1013
728	sub do_invoke {	1014	sub do_invoke {
729	my $event = shift;	1015	my $event = shift;
730	my $callbacks = shift;	1016	my $callbacks = shift;
731		1017
732	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
733		1019
734	local $override;	1020	local $override;
735		1021
736	for (@$callbacks) {	1022	for (@$callbacks) {
737	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
746	}	1032	}
747		1033
748	0	1034	0
749	}	1035	}
750		1036
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1038
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1040
755	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
756		1042
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	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	1044	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1046
761	=back	1047	=back
762		1048
763	=cut	1049	=cut
764		1050
765	#############################################################################	1051	#############################################################################
766	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
767		1095
768	sub reattach {	1096	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1098	my ($obj) = @_;
771		1099
		1100	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1102
774	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
775		1104
776	@$registry = ();	1105	@$registry = ();
777		1106
…		…
792	cf::attachable->attach (	1121	cf::attachable->attach (
793	prio => -1000000,	1122	prio => -1000000,
794	on_instantiate => sub {	1123	on_instantiate => sub {
795	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
796		1125
797	$data = from_json $data;	1126	$data = decode_json $data;
798		1127
799	for (@$data) {	1128	for (@$data) {
800	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
801		1130
802	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1147	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
820		1149
821	sync_job {	1150	sync_job {
822	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
825		1155
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1160	aio_close $fh;
831		1161
832	if (@$objs) {	1162	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1168	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
840	}	1170	}
841	} else {	1171	} else {
842	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
843	}	1173	}
…		…
848	}	1178	}
849	} else {	1179	} else {
850	aio_unlink $filename;	1180	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
852	}	1182	}
853	}	1183	};
854	}	1184	}
855		1185
856	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
858		1188
…		…
870	or return;	1200	or return;
871		1201
872	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
874	or return;	1204	or return;
		1205
875	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
876	}	1208	}
877		1209
		1210	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
880	return ($data, $av);	1214	($data, $av)
881	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
882		1222
883	#############################################################################	1223	#############################################################################
884	# command handling &c	1224	# command handling &c
885		1225
886	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1240	}
901		1241
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1243
904	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
905		1249
906	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
907	called.	1251	called.
908		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
909	=cut	1264	=cut
910		1265
911	sub register_extcmd {	1266	sub register_extcmd {
912	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
913		1268
914	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
915	}	1276	}
916		1277
917	cf::player->attach (	1278	cf::player->attach (
918	on_command => sub {	1279	on_command => sub {
919	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1289	cf::override;
929	},	1290	},
930	on_extcmd => sub {	1291	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
932		1293
933	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1295
935	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
941	} else {	1311	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1313	}
944		1314
945	cf::override;	1315	cf::override;
946	},	1316	},
947	);	1317	);
948		1318
949	sub load_extension {
950	my ($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 {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
984	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1324	next unless -r $path;
986	eval {	1325
987	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
988	1	1382	}
989	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
990	}	1388	};
991	}	1389	}
992		1390
993	#############################################################################	1391	#############################################################################
994		1392
		1393	=back
		1394
995	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
996		1396
997	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
998		1398
999	=cut	1399	=cut
1000		1400
1001	package cf::player;	1401	package cf::player;
1002		1402
1003	use Coro::AIO;	1403	use Coro::AIO;
1004		1404
1005	=head3 cf::player	1405	=head3 cf::player
1006		1406
1007	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1008		1422
1009	=item cf::player::find $login	1423	=item cf::player::find $login
1010		1424
1011	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1012		1426
…		…
1031		1445
1032	sub exists($) {	1446	sub exists($) {
1033	my ($login) = @_;	1447	my ($login) = @_;
1034		1448
1035	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1037	}	1451	}
1038		1452
1039	sub find($) {	1453	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1455	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1466
1053	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1056	}	1476	}
1057	}	1477	}
1058	}	1478	}
1059		1479
…		…
1068	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1069		1489
1070	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1072		1492
		1493	cf::get_slot 0.01;
		1494
1073	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1074	Coro::cede;	1496	cf::cede_to_tick;
1075	}	1497	}
1076		1498
1077	sub new($) {	1499	sub new($) {
1078	my ($login) = @_;	1500	my ($login) = @_;
1079		1501
…		…
1085	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1086		1508
1087	$self	1509	$self
1088	}	1510	}
1089		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1090	=item $pl->quit_character	1522	=item $pl->quit_character
1091		1523
1092	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1094		1526
…		…
1098	my ($pl) = @_;	1530	my ($pl) = @_;
1099		1531
1100	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1101		1533
1102	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1536
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1109		1543
1110	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1581	or return [];
1148		1582
1149	my @logins;	1583	my @logins;
1150		1584
1151	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1155		1595
1156	utf8::decode $login;	1596	utf8::decode $login;
1157	push @logins, $login;	1597	push @logins, $login;
1158	}	1598	}
1159		1599
…		…
1186	}	1626	}
1187		1627
1188	\@paths	1628	\@paths
1189	}	1629	}
1190		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1191	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1192		1636
1193	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1194		1638
1195	=cut	1639	=cut
1196		1640
1197	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1199		1643
1200	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1645	}
1204		1646
1205	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1206		1648
1207	Sends an ext event to the client.	1649	Sends an ext event to the client.
1208		1650
1209	=cut	1651	=cut
1210		1652
1211	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1213		1655
1214	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1215	}	1657	}
1216		1658
1217	=head3 cf::region	1659	=head3 cf::region
1218		1660
1219	=over 4	1661	=over 4
…		…
1222		1664
1223	package cf::region;	1665	package cf::region;
1224		1666
1225	=item cf::region::find_by_path $path	1667	=item cf::region::find_by_path $path
1226		1668
1227	Tries to decuce the probable region for a map knowing only its path.	1669	Tries to decuce the likely region for a map knowing only its path.
1228		1670
1229	=cut	1671	=cut
1230		1672
1231	sub find_by_path($) {	1673	sub find_by_path($) {
1232	my ($path) = @_;	1674	my ($path) = @_;
1233		1675
1234	my ($match, $specificity);	1676	my ($match, $specificity);
1235		1677
1236	for my $region (list) {	1678	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1240	}	1682	}
1241	}	1683	}
1242		1684
…		…
1263	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1265		1707
1266	sub generate_random_map {	1708	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1268	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1714	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1307		1752
1308	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1309	local $self->{path};	1754	local $self->{path};
1310	local $self->{load_path};	1755	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1756
1314	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1315	}	1758	}
1316		1759
1317	sub normalise {	1760	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1365	return $self;	1808	return $self;
1366	}	1809	}
1367	}	1810	}
1368		1811
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1813	()
1371	}	1814	}
1372		1815
1373	sub init {	1816	sub init {
1374	my ($self) = @_;	1817	my ($self) = @_;
…		…
1396		1839
1397	# the temporary/swap location	1840	# the temporary/swap location
1398	sub save_path {	1841	sub save_path {
1399	my ($self) = @_;	1842	my ($self) = @_;
1400		1843
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1403	}	1846	}
1404		1847
1405	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1406	sub uniq_path {	1849	sub uniq_path {
1407	my ($self) = @_;	1850	my ($self) = @_;
1408		1851
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1411	}	1854	}
1412		1855
1413	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1414	# all maps in C++...	1857	# all maps in C++...
…		…
1417		1860
1418	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1420	}	1863	}
1421		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1422	sub unlink_save {	1873	sub unlink_save {
1423	my ($self) = @_;	1874	my ($self) = @_;
1424		1875
1425	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1880
1430	sub load_header_from($) {	1881	sub load_header_from($) {
1431	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1432		1883
1433	utf8::encode $path;	1884	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1439		1893
1440	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1441		1895
1442	1	1896	1
1443	}	1897	}
…		…
1482	$self->load_header_orig	1936	$self->load_header_orig
1483	or return;	1937	or return;
1484	$self->prepare_orig;	1938	$self->prepare_orig;
1485	}	1939	}
1486		1940
		1941	$self->{deny_reset} = 1
		1942	if $self->no_reset;
		1943
1487	$self->default_region (cf::region::find_by_path $self->{path})	1944	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1945	unless $self->default_region;
1489		1946
1490	1	1947	1
1491	}	1948	}
…		…
1494	sub find {	1951	sub find {
1495	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1496		1953
1497	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1498		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1500		1958
1501	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1503	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1504	or return;	1964	or return;
1505		1965
1506	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1507		1967
1508	$map->load_header	1968	$map->load_header
1509	or return;	1969	or return;
1510		1970
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1514	$map->reset;	1976	$map->reset;
1515	undef $guard;
1516	return find $path;	1977	return find $path;
1517	}	1978	}
1518		1979
1519	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1520	}	1981	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1530		1991
1531	my $path = $self->{path};	1992	my $path = $self->{path};
1532		1993
1533	{	1994	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1535		1996
		1997	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1999
1538	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1539		2001
1540	$self->alloc;	2002	$self->alloc;
1541		2003
1542	$self->pre_load;	2004	$self->pre_load;
1543	Coro::cede;	2005	cf::cede_to_tick;
1544		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1546	or return;	2010	or return;
1547		2011
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1549	if delete $self->{load_original};	2013	if delete $self->{load_original};
1550		2014
1551	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2016	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2019	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1556	}	2023	}
1557	}	2024	}
1558		2025
1559	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1560	# now do the right thing for maps	2029	# now do the right thing for maps
1561	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2032	unless $self->difficulty;
1564	Coro::cede;	2033	cf::cede_to_tick;
1565		2034
1566	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2036	$self->decay_objects;
1568	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1569	$self->update_buttons;	2038	$self->update_buttons;
1570	Coro::cede;	2039	cf::cede_to_tick;
1571	$self->set_darkness_map;	2040	$self->set_darkness_map;
1572	Coro::cede;	2041	cf::cede_to_tick;
1573	$self->activate;	2042	$self->activate;
1574	}	2043	}
1575		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2049	}
1578		2050
1579	$self->post_load;	2051	$self->post_load;
1580	}	2052	}
1581		2053
…		…
1583	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1584		2056
1585	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2058	if $self->per_player;
1587		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1588	$self	2063	$self
1589	}	2064	}
1590		2065
1591	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2067	sub load_neighbours {
1593	my ($map) = @_;	2068	my ($map) = @_;
1594		2069
1595	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1596		2071
1597	for (0 .. 3) {	2072	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1599	or next;	2074	or next;
1600	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1601	or next;	2076	or next;
1602	$neigh->load;	2077	$neigh->load;
1603		2078
		2079	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2082	}
1607		2083
1608	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1610	or next;	2087	or next;
1611	$neigh->load;	2088	$neigh->load;
1612	}	2089	}
1613	}	2090	}
1614		2091
…		…
1619	}	2096	}
1620		2097
1621	sub do_load_sync {	2098	sub do_load_sync {
1622	my ($map) = @_;	2099	my ($map) = @_;
1623		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1624	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1625	}	2105	}
1626		2106
1627	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1629		2109
1630	sub find_async {	2110	sub find_async {
1631	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1632		2112
1633	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1634		2114
1635	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2117	}
1638		2118
1639	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1640	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1641	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2126	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2127	$map->load if $v;
		2128	}
1646		2129
1647	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1648	}	2131	}
1649	}	2132	}
1650	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1651	};	2134	};
1652	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2138	}
1656		2139
1657	sub save {	2140	sub save {
1658	my ($self) = @_;	2141	my ($self) = @_;
1659		2142
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2144
1662	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1663		2146
1664	return unless $self->dirty;	2147	return unless $self->dirty;
1665		2148
…		…
1671	return if $self->{deny_save};	2154	return if $self->{deny_save};
1672		2155
1673	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1674		2157
1675	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1677	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1678		2164
1679	if ($uniq) {	2165	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2168	} else {
…		…
1688	my ($self) = @_;	2174	my ($self) = @_;
1689		2175
1690	# save first because save cedes	2176	# save first because save cedes
1691	$self->save;	2177	$self->save;
1692		2178
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2180
1695	return if $self->players;	2181	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2183	return if $self->{deny_save};
1698		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2189	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2190	}
1702		2191
1703	sub reset_at {	2192	sub reset_at {
1704	my ($self) = @_;	2193	my ($self) = @_;
1705		2194
1706	# TODO: safety, remove and allow resettable per-player maps	2195	# 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};	2196	return 1e99 if $self->{deny_reset};
1709		2197
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2200
…		…
1723	my ($self) = @_;	2211	my ($self) = @_;
1724		2212
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2214
1727	return if $self->players;	2215	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2216
1730	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1731		2218
1732	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1733		2220
1734	# need to save uniques path	2221	# need to save uniques path
1735	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2226	if $uniq;
1740	}	2227	}
1741		2228
1742	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1743		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2233	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2234
1748	$self->unlink_save;	2235	$self->unlink_save;
1749	$self->destroy;	2236	$self->destroy;
1750	}	2237	}
1751		2238
1752	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1753		2240
1754	sub nuke {	2241	sub nuke {
1755	my ($self) = @_;	2242	my ($self) = @_;
1756		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1757	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1758		2248
1759	$self->unlink_save;	2249	$self->unlink_save;
1760		2250
1761	bless $self, "cf::map";	2251	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2256
1767	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1768		2259
1769	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1770	}	2297	}
1771		2298
1772	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1773		2300
1774	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2302	instantiated unique items. May block.
1776		2303
1777	=cut	2304	=cut
1778		2305
1779	sub unique_maps() {	2306	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2307	[
1781	or return;	2308	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2309	utf8::decode $_;
1787	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2312	? ()
1790	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2315	]
1792
1793	\@paths
1794	}	2316	}
1795
1796	package cf;
1797		2317
1798	=back	2318	=back
1799		2319
1800	=head3 cf::object	2320	=head3 cf::object
1801		2321
…		…
1805		2325
1806	=over 4	2326	=over 4
1807		2327
1808	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1809		2329
1810	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1811		2332
1812	=cut	2333	=cut
1813		2334
1814	sub inv_recursive_;	2335	sub inv_recursive_;
1815	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1818		2339
1819	sub inv_recursive {	2340	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1821	}	2342	}
1822		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1823	package cf;	2372	package cf;
1824		2373
1825	=back	2374	=back
1826		2375
1827	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	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	2383	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1836		2385
1837	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1838		2401
1839	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2403	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1844		2407
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2409
1847	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1849	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1852	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1853	}	2435	}
1854		2436
1855	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1856		2438
1857	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1870		2452
1871	=item $player_object->enter_link	2453	=item $player_object->enter_link
1872		2454
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2456
1875	The player should be reasonably safe there for short amounts of time. You	2457	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.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1877		2461
1878	Will never block.	2462	Will never block.
1879		2463
1880	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1881		2465
…		…
1904	$self->deactivate_recursive;	2488	$self->deactivate_recursive;
1905		2489
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2490	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2491
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2493	if $self->map && $self->map->{path} ne "{link}";
1910		2494
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2496	}
1913		2497
1914	sub cf::object::player::leave_link {	2498	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2499	my ($self, $map, $x, $y) = @_;
		2500
		2501	return unless $self->contr->active;
1916		2502
1917	my $link_pos = delete $self->{_link_pos};	2503	my $link_pos = delete $self->{_link_pos};
1918		2504
1919	unless ($map) {	2505	unless ($map) {
1920	# restore original map position	2506	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1937		2523
1938	$map->load;	2524	$map->load;
1939	$map->load_diag;	2525	$map->load_neighbours;
1940		2526
1941	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2529	$self->activate_recursive;
1943		2530
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1946	}	2533	}
1947		2534
1948	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2536
1952	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1956	};	2541	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2542
1962	# try to abort aborted map switching on player login :)	2543	Note that $check will be called with a potentially non-loaded map, so if
1963	# should happen only on crashes	2544	it needs a loaded map it has to call C<< ->load >>.
1964	if ($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		2545
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1983		2549
1984	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2555
1987	$self->enter_link;	2556	$self->enter_link;
1988		2557
1989	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1990	my $map = eval {	2580	my $map = eval {
1991	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1993	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2596	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1998	})->prio (1);	2604	})->prio (1);
1999	}	2605	}
2000		2606
2001	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
2002		2608
…		…
2022	}	2628	}
2023		2629
2024	sub prepare_random_map {	2630	sub prepare_random_map {
2025	my ($exit) = @_;	2631	my ($exit) = @_;
2026		2632
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2635	# that depends on the exit object
2032		2636
2033	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2639	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2040	}	2646	}
2041		2647
2042	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2043		2649
2044	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2047		2653
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2656	undef $fh;
2051	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2052		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2055	}	2665	}
2056	}	2666	}
2057		2667
2058	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2060		2670
2061	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2062		2672
2063	if ($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;	2673	$self->enter_link;
2075		2674
2076	(async {	2675	(async {
2077	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2078	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2079	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2080		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2081	1;	2699	1
2082	}) {	2700	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2705
2088	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2107		2725
2108	utf8::encode $text;	2726	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2728	}
2111		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
2112	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2113		2882
2114	Sends an exti event to the client.	2883	Sends an ext event to the client.
2115		2884
2116	=cut	2885	=cut
2117		2886
2118	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2120		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2123	}	2914	}
2124		2915
2125	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2126		2917
2127	Queues a query to the client, calling the given callback with	2918	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>,	2919	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>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2921
2131	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2923	become reliable at some point in the future.
2133		2924
2134	=cut	2925	=cut
2135		2926
2136	sub cf::client::query {	2927	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2936	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2938
2148	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2150	}	2943	}
2151		2944
2152	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2153	on_reply => sub {	2951	on_reply => sub {
2154	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2155		2953
2156	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2157	# get handled first	2955	# get handled first
…		…
2169	} else {	2967	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2969	}
2172	}	2970	}
2173	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2174	);	2998	);
2175		2999
2176	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2177		3001
2178	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2221		3045
2222	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2223		3047
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2225		3053
2226	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2227		3055
2228	=pod	3056	=pod
2229		3057
2230	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2231		3059
2232	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2233	cf::object::player player	3064	cf::object::player
2234	cf::player peaceful	3065	player
2235	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2236		3072
2237	=cut	3073	=cut
2238		3074
2239	for (	3075	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2241	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2244	) {	3082	) {
2245	no strict 'refs';	3083	no strict 'refs';
…		…
2316	=back	3154	=back
2317		3155
2318	=cut	3156	=cut
2319		3157
2320	#############################################################################	3158	#############################################################################
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 $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3159	# the server's init and main functions
2496		3160
2497	sub load_facedata($) {	3161	sub load_facedata($) {
2498	my ($path) = @_;	3162	my ($path) = @_;
		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3169
2500	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2501		3171
2502	my $facedata;	3172	my $facedata;
2503	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2507		3177
2508	$facedata->{version} == 2	3178	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2511	{	3188	{
2512	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2513		3190
2514	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3198
		3199	cf::cede_to_tick;
2520	}	3200	}
2521		3201
2522	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2524	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2525	or next;	3206	or next;
		3207
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3211	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3213	}
2531	Coro::cede;	3214
		3215	cf::cede_to_tick;
2532	}	3216	}
2533	}	3217	}
2534		3218
2535	{	3219	{
2536	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2537		3221
2538	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3224	cf::cede_to_tick;
2541	}	3225	}
2542		3226
2543	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2544	}	3228	}
2545		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2546	1	3265	1
2547	}	3266	}
2548		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2549	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2550	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2552	}	3318	}
2553		3319
2554	sub reload_facedata {	3320	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2567	}	3333	}
2568		3334
2569	sub reload_resources {	3335	sub reload_resources {
2570	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2571		3337
2572	reload_regions;
2573	reload_facedata;	3338	reload_facedata;
2574	reload_archetypes;	3339	reload_archetypes;
		3340	reload_regions;
2575	reload_treasures;	3341	reload_treasures;
2576		3342
2577	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2578	}	3344	}
2579		3345
2580	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2581	reload_resources;	3351	reload_resources;
2582	}	3352	}
2583		3353
2584	sub cfg_load {	3354	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3356	or return;
2587		3357
2588	local $/;	3358	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2590		3360
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3362
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$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};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	};	3370	};
2601	warn $@ if $@;	3371	warn $@ if $@;
2602	}	3372	}
2603	}	3373	}
2604		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2605	sub main {	3394	sub main {
		3395	atomic;
		3396
2606	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3400	(async {
2610	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2612	};	3404	};
2613		3405
2614	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2615	db_init;	3409	db_init;
2616	load_extensions;	3410	load_extensions;
2617		3411
2618	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2619	Event::loop;	3420	EV::loop;
2620	}	3421	}
2621		3422
2622	#############################################################################	3423	#############################################################################
2623	# initialisation and cleanup	3424	# initialisation and cleanup
2624		3425
2625	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2626	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3430	$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";	3431	cf::cleanup "SIG$signal";
2635	},
2636	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2637	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2638	}	3513	}
2639		3514
2640	sub emergency_save() {	3515	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2642		3517
…		…
2648	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3529	$pl->save;
2654	}	3530	}
2655	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2656		3532
2657	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2664		3540
2665	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2668	};	3548	};
2669		3549
2670	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2671	}	3551	}
2672		3552
2673	sub post_cleanup {	3553	sub post_cleanup {
2674	my ($make_core) = @_;	3554	my ($make_core) = @_;
2675		3555
2676	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2678	}	3587	}
2679		3588
2680	sub do_reload_perl() {	3589	sub do_reload_perl() {
2681	# can/must only be called in main	3590	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2684	return;	3593	return;
2685	}	3594	}
2686		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2687	warn "reloading...";	3599	warn "reloading...";
2688		3600
2689	warn "entering sync_job";	3601	warn "entering sync_job";
2690		3602
2691	cf::sync_job {	3603	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3605	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2695		3607
2696	warn "syncing database to disk";	3608	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3610
2699	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2700		3612
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";	3613	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;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3615	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	}	3616	}
2737		3617
2738	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2740	}	3620	%EXT_CORO = ();
2741		3621
2742	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3631	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3632
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2753	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2754	}	3642	}
2755		3643
2756	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2757	}	3659	}
2758		3660
2759	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3664
2763	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
2766		3668
2767	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3670	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2770		3672
2771	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2772		3674
2773	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2774	require cf;	3676	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3678
2777	warn "loading config and database again";	3679	warn "loading config and database again";
2778	cf::cfg_load;	3680	cf::reload_config;
2779		3681
2780	warn "loading extensions";	3682	warn "loading extensions";
2781	cf::load_extensions;	3683	cf::load_extensions;
2782		3684
2783	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2789		3691
2790	warn "leaving sync_job";	3692	warn "leaving sync_job";
2791		3693
2792	1	3694	1
2793	} or do {	3695	} or do {
2794	warn $@;	3696	warn $@;
2795	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3698	};
2798		3699
2799	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
2800	};	3703	};
2801		3704
2802	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2803		3706
2804	sub reload_perl() {	3707	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2807		3710
2808	$RELOAD_WATCHER ||= Event->timer (	3711	$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;	3712	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2815	},
2816	);	3714	};
2817	}	3715	}
2818		3716
2819	register_command "reload" => sub {	3717	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2821		3719
2822	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3724	reload_perl;
		3725	};
2825	}	3726	}
2826	};	3727	};
2827		3728
2828	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2829		3730
…		…
2831		3732
2832	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2834		3735
2835	sub wait_for_tick {	3736	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3738
2839	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3741	$signal->wait;
2842	}	3742	}
2843		3743
2844	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3746
2848	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3749	$signal->wait;
2851	}	3750	}
2852		3751
2853	$TICK_WATCHER = Event->timer (	3752	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) {	3753	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2863	return;	3756	return;
2864	}	3757	}
2865		3758
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2869		3760
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3765	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3767	};
		3768	}
2880		3769
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3771	$sig->send;
2886	}	3772	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3774	$sig->send;
2889	}	3775	}
2890		3776
2891	$NOW = Event::time;	3777	$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;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3779
2902	_post_tick;	3780	if (0) {
2903		3781	if ($NEXT_TICK) {
2904		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
2905	},	3786	}
2906	);	3787	}
2907		3788
2908	{	3789	{
2909	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3791
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;	3792	BDB::min_parallel 8;
2919		3793	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3794	$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		3795
2935	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3803
2938	cf::sync_job {	3804	cf::sync_job {
2939	eval {	3805	eval {
2940	BDB::db_env_open	3806	BDB::db_env_open
2941	$DB_ENV,	3807	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3811	0666;
2946		3812
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	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	};	3814	};
2952		3815
2953	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3817	};
2955	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
2956	}	3829	}
2957		3830
2958	{	3831	{
		3832	# configure IO::AIO
		3833
2959	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3836	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	}	3837	}
2972		3838
2973	my $_log_backtrace;	3839	my $_log_backtrace;
2974		3840
2975	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
2979		3845
2980	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
2983	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
2984	my @bt = fork_call {	3853	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
2996	}	3865	}
2997		3866
2998	@funcs	3867	@funcs
2999	};	3868	};
3000		3869
3001	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	3873	--$_log_backtrace;
3004	};	3874	};
3005	} else {	3875	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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