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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 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 Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		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	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		86	}
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32		87
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		89
40	our %COMMAND = ();	90	our %COMMAND = ();
41	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
42		92
43	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
47		98
		99	our $RELOAD; # number of reloads so far
48	our @EVENT;	100	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		101
51	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	103	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107	our $LOCALDIR = localdir;
		108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		111	our $RANDOMDIR = "$LOCALDIR/random";
		112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
		117
		118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	120	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	126	our $DB_ENV;
61		127
62	our %CFG;	128	our %CFG;
63		129
64	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
66		133
67	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		137
76	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
79	binmode STDOUT;	146	binmode STDOUT;
80	binmode STDERR;	147	binmode STDERR;
81		148
82	# read virtual server time, if available	149	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	151	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
87	}	154	}
88		155
89	mkdir cf::localdir;	156	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		158
96	our $EMERGENCY_POSITION;	159	our $EMERGENCY_POSITION;
97		160
98	sub cf::map::normalise;	161	sub cf::map::normalise;
99		162
…		…
110	=item $cf::RUNTIME	173	=item $cf::RUNTIME
111		174
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	175	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	176	every server tick.
114		177
115	=item $cf::LIBDIR	178	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		179	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		180	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		181
117	The perl library directory, where extensions and cf-specific modules can	182	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	183	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		184	unique-items directory, player file directory, random maps directory and
		185	database environment.
119		186
120	=item $cf::NOW	187	=item $cf::NOW
121		188
122	The time of the last (current) server tick.	189	The time of the last (current) server tick.
123		190
124	=item $cf::TICK	191	=item $cf::TICK
125		192
126	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
127		194
		195	=item $cf::LOADAVG
		196
		197	The current CPU load on the server (alpha-smoothed), as a value between 0
		198	(none) and 1 (overloaded), indicating how much time is spent on processing
		199	objects per tick. Healthy values are < 0.5.
		200
		201	=item $cf::LOAD
		202
		203	The raw value load value from the last tick.
		204
128	=item %cf::CFG	205	=item %cf::CFG
129		206
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	208	from wherever your confdir points to.
132		209
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		211
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	213	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
139		221
140	=back	222	=back
141		223
142	=cut	224	=cut
143		225
144	BEGIN {	226	BEGIN {
145	*CORE::GLOBAL::warn = sub {	227	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	228	my $msg = join "", @_;
147	utf8::encode $msg;
148		229
149	$msg .= "\n"	230	$msg .= "\n"
150	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
151		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
152	LOG llevError, $msg;	235	LOG llevError, $msg;
153	};	236	};
154	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
155		253
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	258	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		259	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	260	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		261
163	# we bless all objects into (empty) derived classes to force a method lookup	262	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	263	# within the Safe compartment.
165	for my $pkg (qw(	264	for my $pkg (qw(
166	cf::global cf::attachable	265	cf::global cf::attachable
167	cf::object cf::object::player	266	cf::object cf::object::player
168	cf::client cf::player	267	cf::client cf::player
169	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
170	cf::map cf::party cf::region	270	cf::party cf::region
171	)) {	271	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	273	}
175		274
176	$Event::DIED = sub {	275	$EV::DIED = sub {
177	warn "error in event callback: @_";	276	warn "error in event callback: @_";
178	};	277	};
		278
		279	#############################################################################
179		280
180	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
181		282
182	=over 4	283	=over 4
183		284
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	304	$d
204	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
205	}	306	}
206		307
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
210		309
211	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
212		311
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
221		313
222	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
223		315
224	=cut	316	=cut
225		317
226	sub to_json($) {	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	319
228	JSON::Syck::Dump $_[0]	320	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	321	sub decode_json($) { $json_coder->decode ($_[0]) }
230		322
231	=item cf::lock_wait $string	323	=item cf::lock_wait $string
232		324
233	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
234		326
…		…
237	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
240	returned.	332	returned.
241		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
242	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
244		339
		340	=item $locked = cf::lock_active $string
		341
		342	Return true if the lock is currently active, i.e. somebody has locked it.
		343
245	=cut	344	=cut
246		345
247	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
248		348
249	sub lock_wait($) {	349	sub lock_wait($) {
250	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
251		356
252	# wait for lock, if any	357	# wait for lock, if any
253	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	360	Coro::schedule;
…		…
261		366
262	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
263	lock_wait $key;	368	lock_wait $key;
264		369
265	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
266		372
267	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
270	}	377	}
271	}	378	}
272		379
		380	sub lock_active($) {
		381	my ($key) = @_;
		382
		383	! ! $LOCK{$key}
		384	}
		385
273	sub freeze_mainloop {	386	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
275		388
276	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
278	};	450	}
279	$TICK_WATCHER->stop;	451	};
280	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
281	}	465	}
282		466
283	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
284		468
285	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		474
291	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
292		476
293	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
294		478
295	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
298		483
299	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
302	fast or be very important.	487	fast or be very important.
…		…
305		490
306	sub sync_job(&) {	491	sub sync_job(&) {
307	my ($job) = @_;	492	my ($job) = @_;
308		493
309	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
310	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
312		499
313	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	501
315	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
316		503
317	my $busy = 1;	504	my $busy = 1;
318	my @res;	505	my @res;
319		506
320	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	509	@res = eval { $job->() };
322	warn $@ if $@;	510	warn $@ if $@;
323	undef $busy;	511	undef $busy;
324	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
325		513
326	while ($busy) {	514	while ($busy) {
327	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
328	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
329		525
330	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
331	} else {	527	} else {
332	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
333		529
…		…
353	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
354		550
355	$coro	551	$coro
356	}	552	}
357		553
358	sub write_runtime {	554	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		555
361	my $runtime = cf::localdir . "/runtime";	556	Executes the given code block with the given arguments in a seperate
		557	process, returning the results. Everything must be serialisable with
		558	Coro::Storable. May, of course, block. Note that the executed sub may
		559	never block itself or use any form of event handling.
362		560
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	=cut
364	or return;
365		562
366	my $value = $cf::RUNTIME + 90 + 10;	563	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	564	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		565
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	566	# we seemingly have to make a local copy of the whole thing,
371	and return;	567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
372		569
373	# always fsync - this file is important	570	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	571	reset_signals;
375	and return;	572	&$cb
		573	}, @args;
376		574
377	close $fh	575	wantarray ? @res : $res[-1]
378	or return;	576	}
379		577
380	aio_rename "$runtime~", $runtime	578	=item $coin = coin_from_name $name
381	and return;
382		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
		603	}
		604
		605	=item $value = cf::db_get $family => $key
		606
		607	Returns a single value from the environment database.
		608
		609	=item cf::db_put $family => $key => $value
		610
		611	Stores the given C<$value> in the family. It can currently store binary
		612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
		619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
		637
		638	our $DB;
		639
		640	sub db_init {
		641	cf::sync_job {
		642	$DB ||= db_table "db";
		643	};
		644	}
		645
		646	sub db_get($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
383	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		658	BDB::dbreq_pri 4;
		659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		660	}
		661
		662	=item cf::cache $id => [$paths...], $processversion => $process
		663
		664	Generic caching function that returns the value of the resource $id,
		665	caching and regenerating as required.
		666
		667	This function can block.
		668
		669	=cut
		670
		671	sub cache {
		672	my ($id, $src, $processversion, $process) = @_;
		673
		674	my $meta =
		675	join "\x00",
		676	$processversion,
		677	map {
		678	aio_stat $_
		679	and Carp::croak "$_: $!";
		680
		681	($_, (stat _)[7,9])
		682	} @$src;
		683
		684	my $dbmeta = db_get cache => "$id/meta";
		685	if ($dbmeta ne $meta) {
		686	# changed, we may need to process
		687
		688	my @data;
		689	my $md5;
		690
		691	for (0 .. $#$src) {
		692	0 <= aio_load $src->[$_], $data[$_]
		693	or Carp::croak "$src->[$_]: $!";
		694	}
		695
		696	# if processing is expensive, check
		697	# checksum first
		698	if (1) {
		699	$md5 =
		700	join "\x00",
		701	$processversion,
		702	map {
		703	cf::cede_to_tick;
		704	($src->[$_], Digest::MD5::md5_hex $data[$_])
		705	} 0.. $#$src;
		706
		707
		708	my $dbmd5 = db_get cache => "$id/md5";
		709	if ($dbmd5 eq $md5) {
		710	db_put cache => "$id/meta", $meta;
		711
		712	return db_get cache => "$id/data";
		713	}
		714	}
		715
		716	my $t1 = Time::HiRes::time;
		717	my $data = $process->(\@data);
		718	my $t2 = Time::HiRes::time;
		719
		720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		721
		722	db_put cache => "$id/data", $data;
		723	db_put cache => "$id/md5" , $md5;
		724	db_put cache => "$id/meta", $meta;
		725
		726	return $data;
		727	}
		728
		729	db_get cache => "$id/data"
		730	}
		731
		732	=item cf::datalog type => key => value, ...
		733
		734	Log a datalog packet of the given type with the given key-value pairs.
		735
		736	=cut
		737
		738	sub datalog($@) {
		739	my ($type, %kv) = @_;
		740	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	741	}
385		742
386	=back	743	=back
387		744
388	=cut	745	=cut
389		746
390	#############################################################################	747	#############################################################################
391		748
392	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
393		750
394	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
397		754
398	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	757	Deliantra).
401		758
402	=over 4	759	=over 4
403		760
404	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
405		762
…		…
449	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
450		807
451	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
453		810
454	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
456		813
457	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
458		815
459	=over 4	816	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
569		926
570	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		931
575	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	933	my $pkg = shift @arg;
577		934
578	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
608	}	965	}
609		966
610	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
611	} else {	968	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	970	}
614		971
615	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
616	}	973	}
617		974
…		…
619	if (ref $_[0]) {	976	if (ref $_[0]) {
620	_object_attach @_;	977	_object_attach @_;
621	} else {	978	} else {
622	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
623	}	980	}
		981	_recalc_want;
624	};	982	};
625		983
626	# all those should be optimised	984	# all those should be optimised
627	sub cf::attachable::detach {	985	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
632	reattach ($obj);	990	reattach ($obj);
633	} else {	991	} else {
634	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
635	}	993	}
		994	_recalc_want;
636	};	995	};
637		996
638	sub cf::attachable::attached {	997	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
640		999
…		…
655	";	1014	";
656	die if $@;	1015	die if $@;
657	}	1016	}
658		1017
659	our $override;	1018	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1020
662	sub override {	1021	sub override {
663	$override = 1;	1022	$override = 1;
664	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
665	}	1024	}
666		1025
667	sub do_invoke {	1026	sub do_invoke {
668	my $event = shift;	1027	my $event = shift;
669	my $callbacks = shift;	1028	my $callbacks = shift;
670		1029
671	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
672		1031
673	local $override;	1032	local $override;
674		1033
675	for (@$callbacks) {	1034	for (@$callbacks) {
676	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
685	}	1044	}
686		1045
687	0	1046	0
688	}	1047	}
689		1048
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1050
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1052
694	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
695		1054
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1058
700	=back	1059	=back
701		1060
702	=cut	1061	=cut
703		1062
704	#############################################################################	1063	#############################################################################
705	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
706		1107
707	sub reattach {	1108	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1110	my ($obj) = @_;
710		1111
		1112	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1114
713	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
714		1116
715	@$registry = ();	1117	@$registry = ();
716		1118
…		…
731	cf::attachable->attach (	1133	cf::attachable->attach (
732	prio => -1000000,	1134	prio => -1000000,
733	on_instantiate => sub {	1135	on_instantiate => sub {
734	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
735		1137
736	$data = from_json $data;	1138	$data = decode_json $data;
737		1139
738	for (@$data) {	1140	for (@$data) {
739	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
740		1142
741	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1159	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
759		1161
760	sync_job {	1162	sync_job {
761	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
764		1167
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1172	aio_close $fh;
770		1173
771	if (@$objs) {	1174	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1180	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
779	}	1182	}
780	} else {	1183	} else {
781	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
782	}	1185	}
…		…
787	}	1190	}
788	} else {	1191	} else {
789	aio_unlink $filename;	1192	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
791	}	1194	}
792	}	1195	};
793	}	1196	}
794		1197
795	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
797		1200
…		…
809	or return;	1212	or return;
810		1213
811	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
813	or return;	1216	or return;
		1217
814	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
815	}	1220	}
816		1221
		1222	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
819	return ($data, $av);	1226	($data, $av)
820	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
821		1234
822	#############################################################################	1235	#############################################################################
823	# command handling &c	1236	# command handling &c
824		1237
825	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1252	}
840		1253
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1255
843	Register a callbackf ro execution when the client sends an extcmd packet.	1256	Register a callback for execution when the client sends an (synchronous)
		1257	extcmd packet. Ext commands will be processed in the order they are
		1258	received by the server, like other user commands. The first argument is
		1259	the logged-in player. Ext commands can only be processed after a player
		1260	has logged in successfully.
844		1261
845	If the callback returns something, it is sent back as if reply was being	1262	If the callback returns something, it is sent back as if reply was being
846	called.	1263	called.
847		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
848	=cut	1276	=cut
849		1277
850	sub register_extcmd {	1278	sub register_extcmd {
851	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
852		1280
853	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
854	}	1288	}
855		1289
856	cf::player->attach (	1290	cf::player->attach (
857	on_command => sub {	1291	on_command => sub {
858	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1301	cf::override;
868	},	1302	},
869	on_extcmd => sub {	1303	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
871		1305
872	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1307
874	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
880	} else {	1323	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1325	}
883		1326
884	cf::override;	1327	cf::override;
885	},	1328	},
886	);	1329	);
887		1330
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
923	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1336	next unless -r $path;
925	eval {	1337
926	load_extension $ext;	1338	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1339	my $base = $1;
		1340	my $pkg = $1;
		1341	$pkg =~ s/[^[:word:]]/_/g;
		1342	$pkg = "ext::$pkg";
		1343
		1344	open my $fh, "<:utf8", $path
		1345	or die "$path: $!";
		1346
		1347	my $source = do { local $/; <$fh> };
		1348
		1349	my %ext = (
		1350	path => $path,
		1351	base => $base,
		1352	pkg => $pkg,
		1353	);
		1354
		1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1357
		1358	$ext{source} =
		1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1360	. "#line 1 \"$path\"\n{\n"
		1361	. $source
		1362	. "\n};\n1";
		1363
		1364	$todo{$base} = \%ext;
		1365	}
		1366
		1367	my %done;
		1368	while (%todo) {
		1369	my $progress;
		1370
		1371	while (my ($k, $v) = each %todo) {
		1372	for (split /,\s*/, $v->{meta}{depends}) {
		1373	goto skip
		1374	unless exists $done{$_};
		1375	}
		1376
		1377	warn "... loading '$k' into '$v->{pkg}'\n";
		1378
		1379	unless (eval $v->{source}) {
		1380	my $msg = $@ ? "$v->{path}: $@\n"
		1381	: "$v->{base}: extension inactive.\n";
		1382
		1383	if (exists $v->{meta}{mandatory}) {
		1384	warn $msg;
		1385	cf::cleanup "mandatory extension failed to load, exiting.";
		1386	}
		1387
		1388	warn $msg;
		1389	}
		1390
		1391	$done{$k} = delete $todo{$k};
		1392	push @EXTS, $v->{pkg};
		1393	$progress = 1;
927	1	1394	}
928	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
929	}	1400	};
930	}	1401	}
931		1402
932	#############################################################################	1403	#############################################################################
933		1404
		1405	=back
		1406
934	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
935		1408
936	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
937		1410
938	=cut	1411	=cut
939		1412
940	package cf::player;	1413	package cf::player;
941		1414
…		…
943		1416
944	=head3 cf::player	1417	=head3 cf::player
945		1418
946	=over 4	1419	=over 4
947		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
		1434
948	=item cf::player::find $login	1435	=item cf::player::find $login
949		1436
950	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
951		1438
952	=cut	1439	=cut
953		1440
954	sub playerdir($) {	1441	sub playerdir($) {
955	cf::localdir	1442	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1443	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1444	}
961		1445
962	sub path($) {	1446	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1447	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1448
965	(playerdir $login) . "/$login.pl"	1449	(playerdir $login) . "/playerdata"
966	}	1450	}
967		1451
968	sub find_active($) {	1452	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1453	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1454	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1467	my $login = $_[0];
984		1468
985	my $guard = cf::lock_acquire "user_find:$login";	1469	my $guard = cf::lock_acquire "user_find:$login";
986		1470
987	$cf::PLAYER{$_[0]} || do {	1471	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1472	# rename old playerfiles to new ones
		1473	#TODO: remove when no longer required
		1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1477	aio_unlink +(playerdir $login) . "/$login.pl";
		1478
		1479	my $f = new_from_file cf::object::thawer path $login
989	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
991	}	1488	}
992	}	1489	}
993	}	1490	}
994		1491
…		…
1003	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1004		1501
1005	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1007		1504
		1505	cf::get_slot 0.01;
		1506
1008	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1009	Coro::cede;	1508	cf::cede_to_tick;
1010	}	1509	}
1011		1510
1012	sub new($) {	1511	sub new($) {
1013	my ($login) = @_;	1512	my ($login) = @_;
1014		1513
…		…
1020	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1021		1520
1022	$self	1521	$self
1023	}	1522	}
1024		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1025	=item $pl->quit_character	1534	=item $pl->quit_character
1026		1535
1027	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1029		1538
…		…
1033	my ($pl) = @_;	1542	my ($pl) = @_;
1034		1543
1035	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1036		1545
1037	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1548
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1044		1555
1045	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1565	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1566
1056	IO::AIO::aio_rmtree $temp;	1567	IO::AIO::aio_rmtree $temp;
1057	}	1568	}
1058		1569
		1570	=item $pl->kick
		1571
		1572	Kicks a player out of the game. This destroys the connection.
		1573
		1574	=cut
		1575
		1576	sub kick {
		1577	my ($pl, $kicker) = @_;
		1578
		1579	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1580	$pl->killer ("kicked");
		1581	$pl->ns->destroy;
		1582	}
		1583
1059	=item cf::player::list_logins	1584	=item cf::player::list_logins
1060		1585
1061	Returns am arrayref of all valid playernames in the system, can take a	1586	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1587	while and may block, so not sync_job-capable, ever.
1063		1588
1064	=cut	1589	=cut
1065		1590
1066	sub list_logins {	1591	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1592	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1593	or return [];
1069		1594
1070	my @logins;	1595	my @logins;
1071		1596
1072	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1074	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1075	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1076		1607
1077	utf8::decode $login;	1608	utf8::decode $login;
1078	push @logins, $login;	1609	push @logins, $login;
1079	}	1610	}
1080		1611
…		…
1107	}	1638	}
1108		1639
1109	\@paths	1640	\@paths
1110	}	1641	}
1111		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1113		1648
1114	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1115		1650
1116	=cut	1651	=cut
1117		1652
1118	sub ext_reply($$$%) {	1653	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1120		1655
1121	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1122
1123	$self->send ("ext " . cf::to_json \%msg);
1124	}	1657	}
1125		1658
1126	package cf;	1659	=item $player->ext_msg ($type, @msg)
		1660
		1661	Sends an ext event to the client.
		1662
		1663	=cut
		1664
		1665	sub ext_msg($$@) {
		1666	my ($self, $type, @msg) = @_;
		1667
		1668	$self->ns->ext_msg ($type, @msg);
		1669	}
		1670
		1671	=head3 cf::region
		1672
		1673	=over 4
		1674
		1675	=cut
		1676
		1677	package cf::region;
		1678
		1679	=item cf::region::find_by_path $path
		1680
		1681	Tries to decuce the likely region for a map knowing only its path.
		1682
		1683	=cut
		1684
		1685	sub find_by_path($) {
		1686	my ($path) = @_;
		1687
		1688	my ($match, $specificity);
		1689
		1690	for my $region (list) {
		1691	if ($region->{match} && $path =~ $region->{match}) {
		1692	($match, $specificity) = ($region, $region->specificity)
		1693	if $region->specificity > $specificity;
		1694	}
		1695	}
		1696
		1697	$match
		1698	}
1127		1699
1128	=back	1700	=back
1129
1130		1701
1131	=head3 cf::map	1702	=head3 cf::map
1132		1703
1133	=over 4	1704	=over 4
1134		1705
…		…
1146	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1147	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1148		1719
1149	sub generate_random_map {	1720	sub generate_random_map {
1150	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1151	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1152	$self->_create_random_map (	1726	$self->_create_random_map (
1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1189	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1190		1764
1191	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1192	local $self->{path};	1766	local $self->{path};
1193	local $self->{load_path};	1767	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1768
1197	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1198	}	1770	}
1199		1771
1200	sub normalise {	1772	sub normalise {
…		…
1247	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1248	return $self;	1820	return $self;
1249	}	1821	}
1250	}	1822	}
1251		1823
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1253	()	1825	()
1254	}	1826	}
1255		1827
1256	sub init {	1828	sub init {
1257	my ($self) = @_;	1829	my ($self) = @_;
…		…
1272		1844
1273	# the original (read-only) location	1845	# the original (read-only) location
1274	sub load_path {	1846	sub load_path {
1275	my ($self) = @_;	1847	my ($self) = @_;
1276		1848
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1849	"$MAPDIR/$self->{path}.map"
1278	}	1850	}
1279		1851
1280	# the temporary/swap location	1852	# the temporary/swap location
1281	sub save_path {	1853	sub save_path {
1282	my ($self) = @_;	1854	my ($self) = @_;
1283		1855
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1857	"$TMPDIR/$path.map"
1286	}	1858	}
1287		1859
1288	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1289	sub uniq_path {	1861	sub uniq_path {
1290	my ($self) = @_;	1862	my ($self) = @_;
1291		1863
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1865	"$UNIQUEDIR/$path"
1294	}	1866	}
1295		1867
1296	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1297	# all maps in C++...	1869	# all maps in C++...
1298	sub change_all_map_light {	1870	sub change_all_map_light {
…		…
1300		1872
1301	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1302	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1303	}	1875	}
1304		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1305	sub unlink_save {	1885	sub unlink_save {
1306	my ($self) = @_;	1886	my ($self) = @_;
1307		1887
1308	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1312		1892
1313	sub load_header_from($) {	1893	sub load_header_from($) {
1314	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1315		1895
1316	utf8::encode $path;	1896	utf8::encode $path;
1317	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1318	# or return;
1319
1320	$self->_load_header ($path)
1321	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1322		1905
1323	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1324		1907
1325	1	1908	1
1326	}	1909	}
…		…
1365	$self->load_header_orig	1948	$self->load_header_orig
1366	or return;	1949	or return;
1367	$self->prepare_orig;	1950	$self->prepare_orig;
1368	}	1951	}
1369		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
		1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
1370	1	1959	1
1371	}	1960	}
1372		1961
1373	sub find;	1962	sub find;
1374	sub find {	1963	sub find {
1375	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1376		1965
1377	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1378		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1379	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1380		1970
1381	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1382	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1383	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1384	or return;	1976	or return;
1385		1977
1386	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1387		1979
1388	$map->load_header	1980	$map->load_header
1389	or return;	1981	or return;
1390		1982
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1394	$map->reset;	1988	$map->reset;
1395	undef $guard;
1396	return find $path;	1989	return find $path;
1397	}	1990	}
1398		1991
1399	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1400	}	1993	}
…		…
1407	my ($self) = @_;	2000	my ($self) = @_;
1408		2001
1409	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1410		2003
1411	my $path = $self->{path};	2004	my $path = $self->{path};
		2005
		2006	{
1412	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1413		2008
		2009	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2011
1416	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1417		2013
1418	$self->alloc;	2014	$self->alloc;
1419		2015
1420	$self->pre_load;	2016	$self->pre_load;
		2017	cf::cede_to_tick;
1421		2018
1422	$self->_load_objects ($self->{load_path}, 1)	2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
		2021	$self->_load_objects ($f)
1423	or return;	2022	or return;
1424		2023
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1426	if delete $self->{load_original};	2025	if delete $self->{load_original};
1427		2026
1428	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;	2028	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1431	$self->clear_unique_items;	2031	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1433	}	2035	}
1434	}	2036	}
1435		2037
1436	Coro::cede;	2038	$f->resolve_delayed_derefs;
1437		2039
		2040	cf::cede_to_tick;
1438	# now do the right thing for maps	2041	# now do the right thing for maps
1439	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;
1446	$self->set_darkness_map;
1447	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	2044	unless $self->difficulty;
1449	Coro::cede;	2045	cf::cede_to_tick;
		2046
		2047	unless ($self->{deny_activate}) {
		2048	$self->decay_objects;
		2049	$self->fix_auto_apply;
		2050	$self->update_buttons;
		2051	cf::cede_to_tick;
		2052	$self->set_darkness_map;
		2053	cf::cede_to_tick;
1450	$self->activate;	2054	$self->activate;
		2055	}
		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
		2060	$self->in_memory (cf::MAP_ACTIVE);
1451	}	2061	}
1452		2062
1453	$self->post_load;	2063	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	2064	}
1457		2065
1458	sub customise_for {	2066	sub customise_for {
1459	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1460		2068
1461	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	2070	if $self->per_player;
1463		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1464	$self	2075	$self
1465	}	2076	}
1466		2077
1467	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1468	sub load_diag {	2079	sub load_neighbours {
1469	my ($map) = @_;	2080	my ($map) = @_;
1470		2081
1471	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1472		2083
1473	for (0 .. 3) {	2084	for (0 .. 3) {
1474	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1475	or next;	2086	or next;
1476	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1477	or next;	2088	or next;
1478	$neigh->load;	2089	$neigh->load;
1479		2090
		2091	push @neigh,
1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1482	}	2094	}
1483		2095
1484	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1485	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1486	or next;	2099	or next;
1487	$neigh->load;	2100	$neigh->load;
1488	}	2101	}
1489	}	2102	}
1490		2103
…		…
1495	}	2108	}
1496		2109
1497	sub do_load_sync {	2110	sub do_load_sync {
1498	my ($map) = @_;	2111	my ($map) = @_;
1499		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1500	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1501	}	2117	}
1502		2118
1503	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1504	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1505		2121
1506	sub find_async {	2122	sub find_async {
1507	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1508		2124
1509	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1510		2126
1511	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1513	}	2129	}
1514		2130
1515	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1516	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1517	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1519	my $map = find $path	2138	if (my $map = find $k) {
1520	or next;
1521	$map->load;	2139	$map->load if $v;
		2140	}
1522		2141
1523	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1524	}	2143	}
1525	}	2144	}
1526	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1527	};	2146	};
1528	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1531	}	2150	}
1532		2151
1533	sub save {	2152	sub save {
1534	my ($self) = @_;	2153	my ($self) = @_;
1535		2154
1536	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1537		2156
1538	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1539		2158
1540	return unless $self->dirty;	2159	return unless $self->dirty;
1541		2160
…		…
1547	return if $self->{deny_save};	2166	return if $self->{deny_save};
1548		2167
1549	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1550		2169
1551	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1552	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1553	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1554		2176
1555	if ($uniq) {	2177	if ($uniq) {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1558	} else {	2180	} else {
…		…
1564	my ($self) = @_;	2186	my ($self) = @_;
1565		2187
1566	# save first because save cedes	2188	# save first because save cedes
1567	$self->save;	2189	$self->save;
1568		2190
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2192
1571	return if $self->players;	2193	return if $self->players;
1572	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1573	return if $self->{deny_save};	2195	return if $self->{deny_save};
1574		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1575	$self->clear;	2201	$self->clear;
1576	$self->in_memory (cf::MAP_SWAPPED);
1577	}	2202	}
1578		2203
1579	sub reset_at {	2204	sub reset_at {
1580	my ($self) = @_;	2205	my ($self) = @_;
1581		2206
1582	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1585		2209
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2212
…		…
1599	my ($self) = @_;	2223	my ($self) = @_;
1600		2224
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2226
1603	return if $self->players;	2227	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2228
1606	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1607		2230
1608	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1609		2232
1610	# need to save uniques path	2233	# need to save uniques path
1611	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1615	if $uniq;	2238	if $uniq;
1616	}	2239	}
1617		2240
1618	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1619		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1620	$self->clear;	2245	$self->clear;
1621
1622	$_->clear_links_to ($self) for values %cf::MAP;
1623		2246
1624	$self->unlink_save;	2247	$self->unlink_save;
1625	$self->destroy;	2248	$self->destroy;
1626	}	2249	}
1627		2250
1628	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1629		2252
1630	sub nuke {	2253	sub nuke {
1631	my ($self) = @_;	2254	my ($self) = @_;
1632		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1633	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1634		2260
1635	$self->unlink_save;	2261	$self->unlink_save;
1636		2262
1637	bless $self, "cf::map";	2263	bless $self, "cf::map";
1638	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1639	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1640	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642		2268
1643	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1644		2271
1645	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
		2273	}
		2274
		2275	=item $maps = cf::map::tmp_maps
		2276
		2277	Returns an arrayref with all map paths of currently instantiated and saved
		2278	maps. May block.
		2279
		2280	=cut
		2281
		2282	sub tmp_maps() {
		2283	[
		2284	map {
		2285	utf8::decode $_;
		2286	/\.map$/
		2287	? normalise $_
		2288	: ()
		2289	} @{ aio_readdir $TMPDIR or [] }
		2290	]
		2291	}
		2292
		2293	=item $maps = cf::map::random_maps
		2294
		2295	Returns an arrayref with all map paths of currently instantiated and saved
		2296	random maps. May block.
		2297
		2298	=cut
		2299
		2300	sub random_maps() {
		2301	[
		2302	map {
		2303	utf8::decode $_;
		2304	/\.map$/
		2305	? normalise "?random/$_"
		2306	: ()
		2307	} @{ aio_readdir $RANDOMDIR or [] }
		2308	]
1646	}	2309	}
1647		2310
1648	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1649		2312
1650	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2314	instantiated unique items. May block.
1652		2315
1653	=cut	2316	=cut
1654		2317
1655	sub unique_maps() {	2318	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2319	[
1657	or return;	2320	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2321	utf8::decode $_;
1663	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1664	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1665		2324	? ()
1666	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2327	]
1668
1669	\@paths
1670	}	2328	}
1671
1672	package cf;
1673		2329
1674	=back	2330	=back
1675		2331
1676	=head3 cf::object	2332	=head3 cf::object
1677		2333
…		…
1681		2337
1682	=over 4	2338	=over 4
1683		2339
1684	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1685		2341
1686	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
1687		2344
1688	=cut	2345	=cut
1689		2346
1690	sub inv_recursive_;	2347	sub inv_recursive_;
1691	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1694		2351
1695	sub inv_recursive {	2352	sub inv_recursive {
1696	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1697	}	2354	}
1698		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
1699	package cf;	2384	package cf;
1700		2385
1701	=back	2386	=back
1702		2387
1703	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1709	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1710	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
1711	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1712		2397
1713	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
1714		2413
1715	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1716	# with dialog boxes.	2415	# with dialog boxes.
1717	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
1718	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1720		2419
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2421
1723	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1725	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1728	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1729	}	2447	}
1730		2448
1731	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1732		2450
1733	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1746		2464
1747	=item $player_object->enter_link	2465	=item $player_object->enter_link
1748		2466
1749	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
1750		2468
1751	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
1752	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
1753		2473
1754	Will never block.	2474	Will never block.
1755		2475
1756	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1757		2477
…		…
1780	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1781		2501
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2503
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1786		2506
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1788	}	2508	}
1789		2509
1790	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1792		2514
1793	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1794		2516
1795	unless ($map) {	2517	unless ($map) {
1796	# restore original map position	2518	# restore original map position
…		…
1810	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1811	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1812	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1813		2535
1814	$map->load;	2536	$map->load;
1815	$map->load_diag;	2537	$map->load_neighbours;
1816		2538
1817	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1818	$self->activate_recursive;	2541	$self->activate_recursive;
1819		2542
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1822	}	2545	}
1823		2546
1824	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1825	on_logout => sub {
1826	my ($pl) = @_;
1827		2548
1828	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1829	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1830	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1831	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1832	};	2553	be called at the end of this process.
1833	}
1834	},
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2554
1838	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1839	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855		2557
1856	=item $player_object->goto ($path, $x, $y)
1857
1858	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1859		2561
1860	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2567
1863	$self->enter_link;	2568	$self->enter_link;
1864		2569
1865	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1866	my $map = eval {	2592	my $map = eval {
1867	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1869	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2608	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1874	})->prio (1);	2616	})->prio (1);
1875	}	2617	}
1876		2618
1877	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1878		2620
…		…
1898	}	2640	}
1899		2641
1900	sub prepare_random_map {	2642	sub prepare_random_map {
1901	my ($exit) = @_;	2643	my ($exit) = @_;
1902		2644
1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1904
1905	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1906	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1907	# that depends on the exit object	2647	# that depends on the exit object
1908		2648
1909	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1911	if ($exit->map) {	2651	if ($exit->map) {
1912	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1913	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1914	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1915	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1916	}	2658	}
1917		2659
1918	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1919		2661
1920	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1921	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1923		2665
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2668	undef $fh;
1927	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1928		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1929	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1930	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1931	}	2677	}
1932	}	2678	}
1933		2679
1934	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1935	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1936		2682
1937	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1938		2684
1939	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
1941	cf::sync_job { prepare_random_map $exit };
1942	}
1943
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;
1947
1948	$self->enter_link;	2685	$self->enter_link;
1949		2686
1950	(async {	2687	(async {
1951	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1952	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
1953	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1954		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
1955	1;	2711	1
1956	}) {	2712	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1958	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2717
1962	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1963	$self->leave_link;	2719	$self->leave_link;
1964	}	2720	}
1965	})->prio (1);	2721	})->prio (1);
…		…
1978		2734
1979	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1981		2737
1982	utf8::encode $text;	2738	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2740	}
1985		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
		2809	sub cf::client::send_msg {
		2810	my ($self, $channel, $msg, $color, @extra) = @_;
		2811
		2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
		2836
		2837	return unless @extra || length $msg;
		2838
		2839	if ($self->can_msg) {
		2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
		2860	} else {
		2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
		2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
		2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2879	} else {
		2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2881	$self->send_packet ("drawinfo $color $msg")
		2882	}
		2883	}
		2884	}
		2885	}
		2886
		2887	=item $client->ext_msg ($type, @msg)
		2888
		2889	Sends an ext event to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_msg($$@) {
		2894	my ($self, $type, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
		2899	push @msg, msgtype => "event_$type";
		2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
		2920	}
1986		2921
1987	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
1988		2923
1989	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2925	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		2927
1993	Queries can fail, so check the return code. Or don't, as queries will become	2928	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	2929	become reliable at some point in the future.
1995		2930
1996	=cut	2931	=cut
1997		2932
1998	sub cf::client::query {	2933	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	2942	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		2944
2010	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2012	}	2949	}
2013		2950
2014	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2015	on_reply => sub {	2957	on_reply => sub {
2016	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2017		2959
2018	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2019	# get handled first	2961	# get handled first
…		…
2031	} else {	2973	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	2975	}
2034	}	2976	}
2035	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($ns, $buf) = @_;
		2980
		2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2982
		2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
		2991	if (my $cb = $EXTICMD{$type}) {
		2992	@reply = $cb->($ns, @payload);
		2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
		2998	} else {
		2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3000	}
		3001
		3002	cf::override;
		3003	},
2036	);	3004	);
2037		3005
2038	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2039		3007
2040	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2081	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2083		3051
2084	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2085		3053
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2087		3059
2088	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2089		3061
2090	=pod	3062	=pod
2091		3063
2092	The following fucntions and emthods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2093		3065
2094	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2095	cf::object::player player	3070	cf::object::player
2096	cf::player peaceful	3071	player
2097	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2098		3078
2099	=cut	3079	=cut
2100		3080
2101	for (	3081	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2103	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2105	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2106	) {	3088	) {
2107	no strict 'refs';	3089	no strict 'refs';
…		…
2178	=back	3160	=back
2179		3161
2180	=cut	3162	=cut
2181		3163
2182	#############################################################################	3164	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253
2254	#############################################################################
2255	# the server's init and main functions	3165	# the server's init and main functions
2256		3166
2257	sub init_resources {	3167	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3168	my ($path) = @_;
		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3175
		3176	warn "loading facedata from $path\n";
		3177
		3178	my $facedata;
		3179	0 < aio_load $path, $facedata
		3180	or die "$path: $!";
		3181
		3182	$facedata = Coro::Storable::thaw $facedata;
		3183
		3184	$facedata->{version} == 2
		3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
		3194	{
		3195	my $faces = $facedata->{faceinfo};
		3196
		3197	while (my ($face, $info) = each %$faces) {
		3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
		3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
		3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3204
		3205	cf::cede_to_tick;
		3206	}
		3207
		3208	while (my ($face, $info) = each %$faces) {
		3209	next unless $info->{smooth};
		3210
		3211	my $idx = cf::face::find $face
		3212	or next;
		3213
		3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
		3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3217	} else {
		3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	{
		3226	my $anims = $facedata->{animinfo};
		3227
		3228	while (my ($anim, $info) = each %$anims) {
		3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3230	cf::cede_to_tick;
		3231	}
		3232
		3233	cf::anim::invalidate_all; # d'oh
		3234	}
		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
		3271	1
		3272	}
		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
		3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
		3317	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	3318	or die "unable to load regions file\n";
2260	}
2261		3319
2262	sub cfg_load {	3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
		3324	}
		3325
		3326	sub reload_facedata {
		3327	load_facedata "$DATADIR/facedata"
		3328	or die "unable to load facedata\n";
		3329	}
		3330
		3331	sub reload_archetypes {
		3332	load_resource_file "$DATADIR/archetypes"
		3333	or die "unable to load archetypes\n";
		3334	}
		3335
		3336	sub reload_treasures {
		3337	load_resource_file "$DATADIR/treasures"
		3338	or die "unable to load treasurelists\n";
		3339	}
		3340
		3341	sub reload_resources {
		3342	warn "reloading resource files...\n";
		3343
		3344	reload_facedata;
		3345	reload_archetypes;
		3346	reload_regions;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
		3350	}
		3351
		3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
		3357	reload_resources;
		3358	}
		3359
		3360	sub reload_config {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	3362	or return;
2265		3363
2266	local $/;	3364	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2268		3366
2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2270		3368
2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2278	};	3376	};
2279	warn $@ if $@;	3377	warn $@ if $@;
2280	}	3378	}
2281	}	3379	}
2282		3380
2283	sub init {	3381	sub pidfile() {
2284	init_resources;	3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
2285	}	3398	}
2286		3399
2287	sub main {	3400	sub main {
		3401	atomic;
		3402
2288	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2291	(async {	3406	(async {
2292	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2293	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2294	};	3410	};
2295		3411
2296	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2297	db_init;	3415	db_init;
2298	load_extensions;	3416	load_extensions;
2299		3417
2300	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2301	Event::loop;	3426	EV::loop;
2302	}	3427	}
2303		3428
2304	#############################################################################	3429	#############################################################################
2305	# initialisation and cleanup	3430	# initialisation and cleanup
2306		3431
2307	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2308	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2309	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2310	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2311	reentrant => 0,
2312	data => WF_AUTOCANCEL,
2313	signal => $signal,
2314	prio => 0,
2315	cb => sub {
2316	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2317	},
2318	);	3438	};
		3439	}
		3440	}
		3441
		3442	sub write_runtime_sync {
		3443	# first touch the runtime file to show we are still running:
		3444	# the fsync below can take a very very long time.
		3445
		3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3447
		3448	my $guard = cf::lock_acquire "write_runtime";
		3449
		3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3451	or return;
		3452
		3453	my $value = $cf::RUNTIME + 90 + 10;
		3454	# 10 is the runtime save interval, for a monotonic clock
		3455	# 60 allows for the watchdog to kill the server.
		3456
		3457	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3458	and return;
		3459
		3460	# always fsync - this file is important
		3461	aio_fsync $fh
		3462	and return;
		3463
		3464	# touch it again to show we are up-to-date
		3465	aio_utime $fh, undef, undef;
		3466
		3467	close $fh
		3468	or return;
		3469
		3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3471	and return;
		3472
		3473	warn "runtime file written.\n";
		3474
2319	}	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2320	}	3519	}
2321		3520
2322	sub emergency_save() {	3521	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2324		3523
…		…
2330	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2331	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2332	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2333	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2334	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2335	$pl->save;	3535	$pl->save;
2336	}	3536	}
2337	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2338		3538
2339	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2345	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2346		3546
2347	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2348	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2349	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2350	};	3554	};
2351		3555
2352	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2353	}	3557	}
2354		3558
2355	sub post_cleanup {	3559	sub post_cleanup {
2356	my ($make_core) = @_;	3560	my ($make_core) = @_;
2357		3561
2358	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3563	if $make_core;
2360	}
2361		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
		3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
		3596
2362	sub reload() {	3597	sub do_reload_perl() {
2363	# can/must only be called in main	3598	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2366	return;	3601	return;
2367	}	3602	}
2368		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2369	warn "reloading...";	3607	warn "reloading...";
2370		3608
2371	warn "entering sync_job";	3609	warn "entering sync_job";
2372		3610
2373	cf::sync_job {	3611	cf::sync_job {
2374	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2375	cf::emergency_save;	3613	cf::emergency_save;
2376	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2377		3615
2378	warn "syncing database to disk";	3616	warn "syncing database to disk";
2379	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2380		3618
2381	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2382		3620
2383	warn "cancelling all WF_AUTOCANCEL watchers";
2384	for (Event::all_watchers) {
2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2386	}
2387
2388	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2389	for (;;) {
2390	BDB::flush;
2391	IO::AIO::flush;
2392	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2394	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2395	}
2396
2397	warn "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();
2400
2401	warn "removing commands";
2402	%COMMAND = ();
2403
2404	warn "removing ext commands";
2405	%EXTCMD = ();
2406
2407	warn "unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";
2410
2411	if (my $cb = $pkg->can ("unload")) {
2412	eval {
2413	$cb->($pkg);
2414	1
2415	} or warn "$pkg unloaded, but with errors: $@";
2416	}	3624	}
2417		3625
2418	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2419	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2420	}	3628	%EXT_CORO = ();
2421		3629
2422	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2423	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2425		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2426	warn "... unloading $k";	3639	warn "... unloading $pkg";
2427	delete $INC{$k};
2428		3640
2429	$k =~ s/\.pm$//;
2430	$k =~ s/\//::/g;
2431
2432	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2433	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2434	}	3650	}
2435		3651
2436	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2437	}	3667	}
2438		3668
2439	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2440	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		3672
2443	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
		3675	delete $INC{"cf/pod.pm"};
2445		3676
2446	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2447	# and global variables created in xs	3678	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2449		3680
2450	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2451		3682
2452	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2453	require cf;	3684	require cf;
2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2455		3686
2456	warn "loading config and database again";	3687	warn "loading config and database again";
2457	cf::cfg_load;	3688	cf::reload_config;
2458		3689
2459	warn "loading extensions";	3690	warn "loading extensions";
2460	cf::load_extensions;	3691	cf::load_extensions;
2461		3692
2462	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2463	_global_reattach;	3694	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
		3697	warn "reattaching attachments to players";
		3698	reattach $_ for values %PLAYER;
2466		3699
2467	warn "loading reloadable resources";
2468	init_resources;
2469
2470	warn "leaving sync_job";	3700	warn "leaving sync_job";
2471		3701
2472	1	3702	1
2473	} or do {	3703	} or do {
2474	warn $@;	3704	warn $@;
2475	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2476	exit 1;	3706	};
		3707
		3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
		3711	};
		3712
		3713	our $RELOAD_WATCHER; # used only during reload
		3714
		3715	sub reload_perl() {
		3716	# doing reload synchronously and two reloads happen back-to-back,
		3717	# coro crashes during coro_state_free->destroy here.
		3718
		3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3720	do_reload_perl;
		3721	undef $RELOAD_WATCHER;
2477	};	3722	};
2478		3723	}
2479	warn "reloaded";
2480	};
2481
2482	our $RELOAD_WATCHER; # used only during reload
2483		3724
2484	register_command "reload" => sub {	3725	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2486		3727
2487	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
2489		3730	async {
2490	# doing reload synchronously and two reloads happen back-to-back,	3731	$Coro::current->{desc} = "perl_reload";
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;	3732	reload_perl;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);	3733	};
2502	}	3734	}
2503	};	3735	};
2504		3736
2505	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2506		3738
2507	my $bug_warning = 0;	3739	my $bug_warning = 0;
2508		3740
2509	$TICK_WATCHER = Event->timer (	3741	our @WAIT_FOR_TICK;
2510	reentrant => 0,	3742	our @WAIT_FOR_TICK_BEGIN;
2511	parked => 1,	3743
2512	prio => 0,	3744	sub wait_for_tick {
2513	at => $NEXT_TICK || $TICK,	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2514	data => WF_AUTOCANCEL,	3746
2515	cb => sub {	3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub wait_for_tick_begin {
		3753	return if tick_inhibit || $Coro::current == $Coro::main;
		3754
		3755	my $signal = new Coro::Signal;
		3756	push @WAIT_FOR_TICK_BEGIN, $signal;
		3757	$signal->wait;
		3758	}
		3759
		3760	sub tick {
2516	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2519	return;	3764	return;
2520	}	3765	}
2521		3766
2522	$NOW = Event::time;
2523
2524	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2525	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;
2527		3768
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2530	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2531	write_runtime	3773	write_runtime_sync
2532	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2533	};
2534	}	3775	};
2535
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#
2541
2542	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2544
2545	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;
2547	},	3776	}
2548	);	3777
		3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3779	$sig->send;
		3780	}
		3781	while (my $sig = shift @WAIT_FOR_TICK) {
		3782	$sig->send;
		3783	}
		3784
		3785	$LOAD = ($NOW - $TICK_START) / $TICK;
		3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3787
		3788	if (0) {
		3789	if ($NEXT_TICK) {
		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
		3794	}
		3795	}
2549		3796
2550	{	3797	{
2551	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2552	$BDB_POLL_WATCHER = Event->io (	3799
2553	reentrant => 0,
2554	fd => BDB::poll_fileno,
2555	poll => 'r',
2556	prio => 0,
2557	data => WF_AUTOCANCEL,
2558	cb => \&BDB::poll_cb,
2559	);
2560	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2561		3801	BDB::max_poll_reqs $TICK * 0.1;
2562	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2563	my $status;
2564	my $current = $Coro::current;
2565	(
2566	sub {
2567	$status = $!;
2568	$current->ready; undef $current;
2569	},
2570	sub {
2571	Coro::schedule while defined $current;
2572	$! = $status;
2573	},
2574	)
2575	};
2576		3803
2577	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2578	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2579		3811
2580	cf::sync_job {	3812	cf::sync_job {
2581	eval {	3813	eval {
2582	BDB::db_env_open	3814	BDB::db_env_open
2583	$DB_ENV,	3815	$DB_ENV,
2584	$BDB_ENV_DIR,	3816	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	3819	0666;
2588		3820
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;
2593	};	3822	};
2594		3823
2595	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2596	};	3825	};
2597	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
2598	}	3837	}
2599		3838
2600	{	3839	{
		3840	# configure IO::AIO
		3841
2601	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2602
2603	undef $Coro::AIO::WATCHER;
2604	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2605	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	fd => IO::AIO::poll_fileno,
2609	poll => 'r',
2610	prio => 6,
2611	cb => \&IO::AIO::poll_cb,
2612	);
2613	}	3845	}
		3846
		3847	my $_log_backtrace;
		3848
		3849	sub _log_backtrace {
		3850	my ($msg, @addr) = @_;
		3851
		3852	$msg =~ s/\n//;
		3853
		3854	# limit the # of concurrent backtraces
		3855	if ($_log_backtrace < 2) {
		3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
		3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
		3861	my @bt = fork_call {
		3862	@addr = map { sprintf "%x", $_ } @addr;
		3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3865	or die "addr2line: $!";
		3866
		3867	my @funcs;
		3868	my @res = <$fh>;
		3869	chomp for @res;
		3870	while (@res) {
		3871	my ($func, $line) = splice @res, 0, 2, ();
		3872	push @funcs, "[$func] $line";
		3873	}
		3874
		3875	@funcs
		3876	};
		3877
		3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3880	LOG llevInfo, "[ABT] $_\n" for @bt;
		3881	--$_log_backtrace;
		3882	};
		3883	} else {
		3884	LOG llevInfo, "[ABT] $msg\n";
		3885	LOG llevInfo, "[ABT] [suppressed]\n";
		3886	}
		3887	}
		3888
		3889	# load additional modules
		3890	use cf::pod;
2614		3891
2615	END { cf::emergency_save }	3892	END { cf::emergency_save }
2616		3893
2617	1	3894	1
2618		3895

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