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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		76
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		78
45	our %COMMAND = ();	79	our %COMMAND = ();
46	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
47		81
48	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
52		87
53	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	89	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		90
57	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	92	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	109	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
67		118
68	our %CFG;	119	our %CFG;
69		120
70	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
72		124
73	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		128
82	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
85	binmode STDOUT;	141	binmode STDOUT;
86	binmode STDERR;	142	binmode STDERR;
87		143
88	# read virtual server time, if available	144	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
93	}	149	}
94		150
95	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	152
97	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		155
102	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
103		157
104	sub cf::map::normalise;	158	sub cf::map::normalise;
105		159
…		…
116	=item $cf::RUNTIME	170	=item $cf::RUNTIME
117		171
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	173	every server tick.
120		174
121	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		178
123	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
125		183
126	=item $cf::NOW	184	=item $cf::NOW
127		185
128	The time of the last (current) server tick.	186	The time of the last (current) server tick.
129		187
130	=item $cf::TICK	188	=item $cf::TICK
131		189
132	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
133		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
134	=item %cf::CFG	202	=item %cf::CFG
135		203
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	205	from wherever your confdir points to.
138		206
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		208
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	210	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
145		218
146	=back	219	=back
147		220
148	=cut	221	=cut
149		222
150	BEGIN {	223	BEGIN {
151	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	225	my $msg = join "", @_;
153	utf8::encode $msg;
154		226
155	$msg .= "\n"	227	$msg .= "\n"
156	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
157		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
158	LOG llevError, $msg;	232	LOG llevError, $msg;
159	};	233	};
160	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
161		250
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		258
169	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	260	# within the Safe compartment.
171	for my $pkg (qw(	261	for my $pkg (qw(
172	cf::global cf::attachable	262	cf::global cf::attachable
173	cf::object cf::object::player	263	cf::object cf::object::player
174	cf::client cf::player	264	cf::client cf::player
175	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
176	cf::map cf::party cf::region	267	cf::party cf::region
177	)) {	268	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	270	}
181		271
182	$Event::DIED = sub {	272	$EV::DIED = sub {
183	warn "error in event callback: @_";	273	warn "error in event callback: @_";
184	};	274	};
		275
		276	#############################################################################
185		277
186	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
187		279
188	=over 4	280	=over 4
189		281
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	301	$d
210	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
211	}	303	}
212		304
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
216		306
217	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
218		308
219	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
220		310
221	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
222		312
		313	=cut
		314
		315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		316
		317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
223	=item cf::lock_wait $string	334	=item cf::lock_wait $string
224		335
225	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
226		337
227	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
228		339
229	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
232	returned.	343	returned.
233		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
234	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
236		350
237	=cut	351	=item $locked = cf::lock_active $string
238		352
239	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
240		358
241	sub lock_wait($) {	359	sub lock_wait($) {
242	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	361	}
250		362
251	sub lock_acquire($) {	363	sub lock_acquire($) {
252	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
253		366
254	# wait, to be sure we are not locked	367	sub lock_active($) {
255	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	369	}
264		370
265	sub freeze_mainloop {	371	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
267		373
268	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
270	};	435	}
271	$TICK_WATCHER->stop;	436	};
272	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
273	}	450	}
274		451
275	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
276		453
277	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		459
283	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
284		461
285	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
286		463
287	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
290		468
291	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
294	fast or be very important.	472	fast or be very important.
…		…
297		475
298	sub sync_job(&) {	476	sub sync_job(&) {
299	my ($job) = @_;	477	my ($job) = @_;
300		478
301	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
302	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
304		484
305	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	486
307	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
308		488
309	my $busy = 1;	489	my $busy = 1;
310	my @res;	490	my @res;
311		491
312	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	494	@res = eval { $job->() };
314	warn $@ if $@;	495	warn $@ if $@;
315	undef $busy;	496	undef $busy;
316	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
317		498
318	while ($busy) {	499	while ($busy) {
319	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
320	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
321		510
322	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
323	} else {	512	} else {
324	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
325		514
…		…
345	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
346		535
347	$coro	536	$coro
348	}	537	}
349		538
350	sub write_runtime {	539	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		540
353	my $runtime = cf::localdir . "/runtime";	541	Executes the given code block with the given arguments in a seperate
		542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
354		545
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	=cut
356	or return;
357		547
358	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		550
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
363	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
364		554
365	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	556	reset_signals;
367	and return;	557	&$cb
		558	}, @args;
368		559
369	close $fh	560	wantarray ? @res : $res[-1]
370	or return;	561	}
371		562
372	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
373	and return;
374		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
375	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
376	}	715	}
377		716
378	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
379		718
380	Log a datalog packet of the given type with the given key-value pairs.	719	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		731
393	#############################################################################	732	#############################################################################
394		733
395	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
396		735
397	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
400		739
401	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	742	Deliantra).
404		743
405	=over 4	744	=over 4
406		745
407	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
408		747
…		…
452	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
453		792
454	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
456		795
457	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
459		798
460	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
461		800
462	=over 4	801	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
572		911
573	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		916
578	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	918	my $pkg = shift @arg;
580		919
581	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
611	}	950	}
612		951
613	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
614	} else {	953	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	955	}
617		956
618	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
619	}	958	}
620		959
…		…
622	if (ref $_[0]) {	961	if (ref $_[0]) {
623	_object_attach @_;	962	_object_attach @_;
624	} else {	963	} else {
625	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
626	}	965	}
		966	_recalc_want;
627	};	967	};
628		968
629	# all those should be optimised	969	# all those should be optimised
630	sub cf::attachable::detach {	970	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
635	reattach ($obj);	975	reattach ($obj);
636	} else {	976	} else {
637	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
638	}	978	}
		979	_recalc_want;
639	};	980	};
640		981
641	sub cf::attachable::attached {	982	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
643		984
…		…
658	";	999	";
659	die if $@;	1000	die if $@;
660	}	1001	}
661		1002
662	our $override;	1003	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1005
665	sub override {	1006	sub override {
666	$override = 1;	1007	$override = 1;
667	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
668	}	1009	}
669		1010
670	sub do_invoke {	1011	sub do_invoke {
671	my $event = shift;	1012	my $event = shift;
672	my $callbacks = shift;	1013	my $callbacks = shift;
673		1014
674	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
675		1016
676	local $override;	1017	local $override;
677		1018
678	for (@$callbacks) {	1019	for (@$callbacks) {
679	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
688	}	1029	}
689		1030
690	0	1031	0
691	}	1032	}
692		1033
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1035
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1037
697	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
698		1039
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1043
703	=back	1044	=back
704		1045
705	=cut	1046	=cut
706		1047
707	#############################################################################	1048	#############################################################################
708	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
709		1092
710	sub reattach {	1093	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1095	my ($obj) = @_;
713		1096
		1097	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1099
716	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
717		1101
718	@$registry = ();	1102	@$registry = ();
719		1103
…		…
734	cf::attachable->attach (	1118	cf::attachable->attach (
735	prio => -1000000,	1119	prio => -1000000,
736	on_instantiate => sub {	1120	on_instantiate => sub {
737	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
738		1122
739	$data = from_json $data;	1123	$data = decode_json $data;
740		1124
741	for (@$data) {	1125	for (@$data) {
742	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
743		1127
744	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1144	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
762		1146
763	sync_job {	1147	sync_job {
764	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
767		1152
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1157	aio_close $fh;
773		1158
774	if (@$objs) {	1159	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1165	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
782	}	1167	}
783	} else {	1168	} else {
784	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
785	}	1170	}
786		1171
787	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1176	} else {
789	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
790	}	1178	}
791	} else {	1179	} else {
792	aio_unlink $filename;	1180	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
794	}	1182	}
795	}	1183	};
796	}	1184	}
797		1185
798	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
800		1188
…		…
812	or return;	1200	or return;
813		1201
814	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
816	or return;	1204	or return;
		1205
817	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
818	}	1208	}
819		1209
		1210	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
822	return ($data, $av);	1214	($data, $av)
823	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
824		1222
825	#############################################################################	1223	#############################################################################
826	# command handling &c	1224	# command handling &c
827		1225
828	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1240	}
843		1241
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1243
846	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
847		1249
848	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
849	called.	1251	called.
850		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
851	=cut	1264	=cut
852		1265
853	sub register_extcmd {	1266	sub register_extcmd {
854	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
855		1268
856	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
857	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
858		1279
859	cf::player->attach (	1280	cf::player->attach (
860	on_command => sub {	1281	on_command => sub {
861	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
862		1283
…		…
870	cf::override;	1291	cf::override;
871	},	1292	},
872	on_extcmd => sub {	1293	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
874		1295
875	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1297
877	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
883	} else {	1313	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1315	}
886		1316
887	cf::override;	1317	cf::override;
888	},	1318	},
889	);	1319	);
890		1320
		1321	# "readahead" all extensions
891	sub load_extension {	1322	sub cache_extensions {
892	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
893		1324
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
895	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1328	}
919	die $@;
920	}	1329	};
921		1330
922	push @EXTS, $pkg;	1331	$grp
923	}	1332	}
924		1333
925	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
926	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1339	next unless -r $path;
928	eval {	1340
929	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
930	1	1397	}
931	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
932	}	1403	};
933	}	1404	}
934		1405
935	#############################################################################	1406	#############################################################################
936		1407
		1408	=back
		1409
937	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
938		1411
939	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
940		1413
941	=cut	1414	=cut
942		1415
943	package cf::player;	1416	package cf::player;
944		1417
…		…
946		1419
947	=head3 cf::player	1420	=head3 cf::player
948		1421
949	=over 4	1422	=over 4
950		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
		1437
951	=item cf::player::find $login	1438	=item cf::player::find $login
952		1439
953	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
954		1441
955	=cut	1442	=cut
956		1443
957	sub playerdir($) {	1444	sub playerdir($) {
958	cf::localdir	1445	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1446	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1447	}
964		1448
965	sub path($) {	1449	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1450	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1451
968	(playerdir $login) . "/$login.pl"	1452	(playerdir $login) . "/playerdata"
969	}	1453	}
970		1454
971	sub find_active($) {	1455	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1456	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1457	and $cf::PLAYER{$_[0]}->active
…		…
976		1460
977	sub exists($) {	1461	sub exists($) {
978	my ($login) = @_;	1462	my ($login) = @_;
979		1463
980	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
982	}	1466	}
983		1467
984	sub find($) {	1468	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1470	my $login = $_[0];
987		1471
988	my $guard = cf::lock_acquire "user_find:$login";	1472	my $guard = cf::lock_acquire "user_find:$login";
989		1473
990	$cf::PLAYER{$_[0]} || do {	1474	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1475	# rename old playerfiles to new ones
		1476	#TODO: remove when no longer required
		1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1480	aio_unlink +(playerdir $login) . "/$login.pl";
		1481
		1482	my $f = new_from_file cf::object::thawer path $login
992	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
994	}	1491	}
995	}	1492	}
996	}	1493	}
997		1494
…		…
1006	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1007		1504
1008	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1010		1507
		1508	cf::get_slot 0.01;
		1509
1011	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1012	Coro::cede;	1511	cf::cede_to_tick;
1013	}	1512	}
1014		1513
1015	sub new($) {	1514	sub new($) {
1016	my ($login) = @_;	1515	my ($login) = @_;
1017		1516
…		…
1023	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1024		1523
1025	$self	1524	$self
1026	}	1525	}
1027		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1028	=item $pl->quit_character	1537	=item $pl->quit_character
1029		1538
1030	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1032		1541
…		…
1036	my ($pl) = @_;	1545	my ($pl) = @_;
1037		1546
1038	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1039		1548
1040	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1551
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1047		1558
1048	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1590	while and may block, so not sync_job-capable, ever.
1080		1591
1081	=cut	1592	=cut
1082		1593
1083	sub list_logins {	1594	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1595	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1596	or return [];
1086		1597
1087	my @logins;	1598	my @logins;
1088		1599
1089	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1093		1610
1094	utf8::decode $login;	1611	utf8::decode $login;
1095	push @logins, $login;	1612	push @logins, $login;
1096	}	1613	}
1097		1614
…		…
1124	}	1641	}
1125		1642
1126	\@paths	1643	\@paths
1127	}	1644	}
1128		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1129	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1130		1651
1131	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1132		1653
1133	=cut	1654	=cut
1134		1655
1135	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1137		1658
1138	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1660	}
1142		1661
1143	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1144		1663
1145	Sends an ext event to the client.	1664	Sends an ext event to the client.
1146		1665
1147	=cut	1666	=cut
1148		1667
1149	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1151		1670
1152	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1153	}	1672	}
1154		1673
1155	package cf;	1674	=head3 cf::region
		1675
		1676	=over 4
		1677
		1678	=cut
		1679
		1680	package cf::region;
		1681
		1682	=item cf::region::find_by_path $path
		1683
		1684	Tries to decuce the likely region for a map knowing only its path.
		1685
		1686	=cut
		1687
		1688	sub find_by_path($) {
		1689	my ($path) = @_;
		1690
		1691	my ($match, $specificity);
		1692
		1693	for my $region (list) {
		1694	if ($region->{match} && $path =~ $region->{match}) {
		1695	($match, $specificity) = ($region, $region->specificity)
		1696	if $region->specificity > $specificity;
		1697	}
		1698	}
		1699
		1700	$match
		1701	}
1156		1702
1157	=back	1703	=back
1158
1159		1704
1160	=head3 cf::map	1705	=head3 cf::map
1161		1706
1162	=over 4	1707	=over 4
1163		1708
…		…
1175	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1177		1722
1178	sub generate_random_map {	1723	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1180	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1729	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1219		1767
1220	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1221	local $self->{path};	1769	local $self->{path};
1222	local $self->{load_path};	1770	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1771
1226	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1227	}	1773	}
1228		1774
1229	sub normalise {	1775	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1277	return $self;	1823	return $self;
1278	}	1824	}
1279	}	1825	}
1280		1826
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1828	()
1283	}	1829	}
1284		1830
1285	sub init {	1831	sub init {
1286	my ($self) = @_;	1832	my ($self) = @_;
…		…
1301		1847
1302	# the original (read-only) location	1848	# the original (read-only) location
1303	sub load_path {	1849	sub load_path {
1304	my ($self) = @_;	1850	my ($self) = @_;
1305		1851
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1307	}	1853	}
1308		1854
1309	# the temporary/swap location	1855	# the temporary/swap location
1310	sub save_path {	1856	sub save_path {
1311	my ($self) = @_;	1857	my ($self) = @_;
1312		1858
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1315	}	1861	}
1316		1862
1317	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1318	sub uniq_path {	1864	sub uniq_path {
1319	my ($self) = @_;	1865	my ($self) = @_;
1320		1866
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1323	}	1869	}
1324		1870
1325	# and all this just because we cannot iterate over	1871	sub decay_objects {
1326	# all maps in C++...
1327	sub change_all_map_light {
1328	my ($change) = @_;	1872	my ($self) = @_;
1329		1873
1330	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1331	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1332	}	1877	}
1333		1878
1334	sub unlink_save {	1879	sub unlink_save {
1335	my ($self) = @_;	1880	my ($self) = @_;
1336		1881
…		…
1341		1886
1342	sub load_header_from($) {	1887	sub load_header_from($) {
1343	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1344		1889
1345	utf8::encode $path;	1890	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1351		1899
1352	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1353		1901
1354	1	1902	1
1355	}	1903	}
…		…
1394	$self->load_header_orig	1942	$self->load_header_orig
1395	or return;	1943	or return;
1396	$self->prepare_orig;	1944	$self->prepare_orig;
1397	}	1945	}
1398		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
		1950	$self->default_region (cf::region::find_by_path $self->{path})
		1951	unless $self->default_region;
		1952
1399	1	1953	1
1400	}	1954	}
1401		1955
1402	sub find;	1956	sub find;
1403	sub find {	1957	sub find {
1404	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1405		1959
1406	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1407		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1409		1964
1410	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";
1412	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1413	or return;	1967	or return;
1414		1968
1415	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1416		1970
1417	$map->load_header	1971	$map->load_header
1418	or return;	1972	or return;
1419		1973
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1423	$map->reset;	1979	$map->reset;
1424	undef $guard;
1425	return find $path;	1980	return find $path;
1426	}	1981	}
1427		1982
1428	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1429	}	1984	}
…		…
1436	my ($self) = @_;	1991	my ($self) = @_;
1437		1992
1438	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1439		1994
1440	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1442		1999
		2000	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2002
1445	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1446		2004
1447	$self->alloc;	2005	$self->alloc;
1448		2006
1449	$self->pre_load;	2007	$self->pre_load;
		2008	cf::cede_to_tick;
1450		2009
1451	$self->_load_objects ($self->{load_path}, 1)	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
		2012	$self->_load_objects ($f)
1452	or return;	2013	or return;
1453		2014
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1455	if delete $self->{load_original};	2016	if delete $self->{load_original};
1456		2017
1457	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2019	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2022	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1462	}	2026	}
1463	}	2027	}
1464		2028
1465	Coro::cede;	2029	$f->resolve_delayed_derefs;
1466		2030
		2031	cf::cede_to_tick;
1467	# now do the right thing for maps	2032	# now do the right thing for maps
1468	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2035	unless $self->difficulty;
1478	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1479	$self->activate;	2043	$self->activate;
		2044	}
		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
		2049	$self->in_memory (cf::MAP_ACTIVE);
1480	}	2050	}
1481		2051
1482	$self->post_load;	2052	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2053	}
1486		2054
1487	sub customise_for {	2055	sub customise_for {
1488	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1489		2057
1490	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2059	if $self->per_player;
1492		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1493	$self	2064	$self
1494	}	2065	}
1495		2066
1496	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2068	sub load_neighbours {
1498	my ($map) = @_;	2069	my ($map) = @_;
1499		2070
1500	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1501		2072
1502	for (0 .. 3) {	2073	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1504	or next;	2075	or next;
1505	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1506	or next;	2077	or next;
1507	$neigh->load;	2078	$neigh->load;
1508		2079
		2080	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2083	}
1512		2084
1513	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1515	or next;	2088	or next;
1516	$neigh->load;	2089	$neigh->load;
1517	}	2090	}
1518	}	2091	}
1519		2092
…		…
1524	}	2097	}
1525		2098
1526	sub do_load_sync {	2099	sub do_load_sync {
1527	my ($map) = @_;	2100	my ($map) = @_;
1528		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1529	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1530	}	2106	}
1531		2107
1532	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1534		2110
1535	sub find_async {	2111	sub find_async {
1536	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1537		2113
1538	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1539		2115
1540	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2118	}
1543		2119
1544	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1545	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1546	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2127	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2128	$map->load if $v;
		2129	}
1551		2130
1552	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1553	}	2132	}
1554	}	2133	}
1555	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1556	};	2135	};
1557	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2139	}
1561		2140
1562	sub save {	2141	sub save {
1563	my ($self) = @_;	2142	my ($self) = @_;
1564		2143
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2145
1567	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1568		2147
1569	return unless $self->dirty;	2148	return unless $self->dirty;
1570		2149
…		…
1576	return if $self->{deny_save};	2155	return if $self->{deny_save};
1577		2156
1578	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1579		2158
1580	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1582	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1583		2165
1584	if ($uniq) {	2166	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2169	} else {
…		…
1593	my ($self) = @_;	2175	my ($self) = @_;
1594		2176
1595	# save first because save cedes	2177	# save first because save cedes
1596	$self->save;	2178	$self->save;
1597		2179
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2181
1600	return if $self->players;	2182	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2184	return if $self->{deny_save};
1603		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2190	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2191	}
1607		2192
1608	sub reset_at {	2193	sub reset_at {
1609	my ($self) = @_;	2194	my ($self) = @_;
1610		2195
1611	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1614		2198
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2201
…		…
1628	my ($self) = @_;	2212	my ($self) = @_;
1629		2213
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2215
1632	return if $self->players;	2216	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2217
1635	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1636		2219
1637	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1638		2221
1639	# need to save uniques path	2222	# need to save uniques path
1640	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2227	if $uniq;
1645	}	2228	}
1646		2229
1647	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1648		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2234	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2235
1653	$self->unlink_save;	2236	$self->unlink_save;
1654	$self->destroy;	2237	$self->destroy;
1655	}	2238	}
1656		2239
1657	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1658		2241
1659	sub nuke {	2242	sub nuke {
1660	my ($self) = @_;	2243	my ($self) = @_;
1661		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1662	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1663		2249
1664	$self->unlink_save;	2250	$self->unlink_save;
1665		2251
1666	bless $self, "cf::map";	2252	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2257
1672	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1673		2260
1674	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1675	}	2298	}
1676		2299
1677	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1678		2301
1679	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2303	instantiated unique items. May block.
1681		2304
1682	=cut	2305	=cut
1683		2306
1684	sub unique_maps() {	2307	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2308	[
1686	or return;	2309	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2310	utf8::decode $_;
1692	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2313	? ()
1695	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2316	]
1697
1698	\@paths
1699	}	2317	}
1700
1701	package cf;
1702		2318
1703	=back	2319	=back
1704		2320
1705	=head3 cf::object	2321	=head3 cf::object
1706		2322
…		…
1710		2326
1711	=over 4	2327	=over 4
1712		2328
1713	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1714		2330
1715	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1716		2333
1717	=cut	2334	=cut
1718		2335
1719	sub inv_recursive_;	2336	sub inv_recursive_;
1720	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1723		2340
1724	sub inv_recursive {	2341	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1726	}	2343	}
1727		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1728	package cf;	2373	package cf;
1729		2374
1730	=back	2375	=back
1731		2376
1732	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1738	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1739	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1740	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1741		2386
1742	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1743		2402
1744	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2404	# with dialog boxes.
1746	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1747	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1749		2408
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2410
1752	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1754	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1757	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1758	}	2436	}
1759		2437
1760	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1761		2439
1762	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1775		2453
1776	=item $player_object->enter_link	2454	=item $player_object->enter_link
1777		2455
1778	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1779		2457
1780	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1781	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1782		2462
1783	Will never block.	2463	Will never block.
1784		2464
1785	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1786		2466
…		…
1809	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1810		2490
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2492
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1815		2495
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2497	}
1818		2498
1819	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1821		2503
1822	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1823		2505
1824	unless ($map) {	2506	unless ($map) {
1825	# restore original map position	2507	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1842		2524
1843	$map->load;	2525	$map->load;
1844	$map->load_diag;	2526	$map->load_neighbours;
1845		2527
1846	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1847	$self->activate_recursive;	2530	$self->activate_recursive;
1848		2531
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1851	}	2534	}
1852		2535
1853	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2537
1857	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1861	};	2542	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2543
1867	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1868	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2546
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1888		2550
1889	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2556
1892	$self->enter_link;	2557	$self->enter_link;
1893		2558
1894	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1895	my $map = eval {	2581	my $map = eval {
1896	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1898	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2597	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1903	})->prio (1);	2605	})->prio (1);
1904	}	2606	}
1905		2607
1906	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1907		2609
…		…
1927	}	2629	}
1928		2630
1929	sub prepare_random_map {	2631	sub prepare_random_map {
1930	my ($exit) = @_;	2632	my ($exit) = @_;
1931		2633
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2636	# that depends on the exit object
1937		2637
1938	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2640	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
1945	}	2647	}
1946		2648
1947	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
1948		2650
1949	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
1952		2654
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2657	undef $fh;
1956	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
1957		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
1960	}	2666	}
1961	}	2667	}
1962		2668
1963	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
1965		2671
1966	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
1967		2673
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	# the problem is that $exit might not survive long enough
1971	# so it needs to be done right now, right here
1972	cf::sync_job { prepare_random_map $exit };
1973	}
1974
1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1976	my $hp = $exit->stats->hp;
1977	my $sp = $exit->stats->sp;
1978
1979	$self->enter_link;	2674	$self->enter_link;
1980		2675
1981	(async {	2676	(async {
1982	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
1983	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
1984	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
1985		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
1986	1;	2700	1
1987	}) {	2701	}) {
1988	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
1989	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1990	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1991	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1992		2706
1993	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2012		2726
2013	utf8::encode $text;	2727	utf8::encode $text;
2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2015	}	2729	}
2016		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
		2828	);
		2829
		2830	sub cf::client::send_msg {
		2831	my ($self, $channel, $msg, $color, @extra) = @_;
		2832
		2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel);
		2843	$channel = $channel->{id};
		2844
		2845	} elsif (ref $channel) {
		2846	# send meta info to client, if not yet sent
		2847	unless (exists $self->{channel}{$channel->{id}}) {
		2848	$self->{channel}{$channel->{id}} = $channel;
		2849	$self->ext_msg (channel_info => $channel);
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	# default colour, mask it out
		2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2859	if $color & cf::NDI_DEF;
		2860
		2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2864	);
		2865
		2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
		2869
		2870	# split very large packets
		2871	if (8192 < length $pkt and $self->{can_lzf}) {
		2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2873	$pkt = "frag";
		2874	}
		2875
		2876	$self->send_packet ($pkt);
		2877	}
		2878
2017	=item $client->ext_event ($type, %msg)	2879	=item $client->ext_msg ($type, @msg)
2018		2880
2019	Sends an exti event to the client.	2881	Sends an ext event to the client.
2020		2882
2021	=cut	2883	=cut
2022		2884
2023	sub cf::client::ext_event($$%) {	2885	sub cf::client::ext_msg($$@) {
2024	my ($self, $type, %msg) = @_;	2886	my ($self, $type, @msg) = @_;
2025		2887
		2888	if ($self->extcmd == 2) {
		2889	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2890	} elsif ($self->extcmd == 1) { # TODO: remove
2026	$msg{msgtype} = "event_$type";	2891	push @msg, msgtype => "event_$type";
2027	$self->send_packet ("ext " . cf::to_json \%msg);	2892	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2893	}
		2894	}
		2895
		2896	=item $client->ext_reply ($msgid, @msg)
		2897
		2898	Sends an ext reply to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_reply($$@) {
		2903	my ($self, $id, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2907	} elsif ($self->extcmd == 1) {
		2908	#TODO: version 1, remove
		2909	unshift @msg, msgtype => "reply", msgid => $id;
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
2028	}	2912	}
2029		2913
2030	=item $success = $client->query ($flags, "text", \&cb)	2914	=item $success = $client->query ($flags, "text", \&cb)
2031		2915
2032	Queues a query to the client, calling the given callback with	2916	Queues a query to the client, calling the given callback with
2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2034	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2035		2919
2036	Queries can fail, so check the return code. Or don't, as queries will become	2920	Queries can fail, so check the return code. Or don't, as queries will
2037	reliable at some point in the future.	2921	become reliable at some point in the future.
2038		2922
2039	=cut	2923	=cut
2040		2924
2041	sub cf::client::query {	2925	sub cf::client::query {
2042	my ($self, $flags, $text, $cb) = @_;	2926	my ($self, $flags, $text, $cb) = @_;
…		…
2050	utf8::encode $text;	2934	utf8::encode $text;
2051	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2052		2936
2053	$self->send_packet ($self->{query_queue}[0][0])	2937	$self->send_packet ($self->{query_queue}[0][0])
2054	if @{ $self->{query_queue} } == 1;	2938	if @{ $self->{query_queue} } == 1;
		2939
		2940	1
2055	}	2941	}
2056		2942
2057	cf::client->attach (	2943	cf::client->attach (
		2944	on_connect => sub {
		2945	my ($ns) = @_;
		2946
		2947	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2948	},
2058	on_reply => sub {	2949	on_reply => sub {
2059	my ($ns, $msg) = @_;	2950	my ($ns, $msg) = @_;
2060		2951
2061	# this weird shuffling is so that direct followup queries	2952	# this weird shuffling is so that direct followup queries
2062	# get handled first	2953	# get handled first
…		…
2074	} else {	2965	} else {
2075	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2966	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2076	}	2967	}
2077	}	2968	}
2078	},	2969	},
		2970	on_exticmd => sub {
		2971	my ($ns, $buf) = @_;
		2972
		2973	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2974
		2975	if (ref $msg) {
		2976	my ($type, $reply, @payload) =
		2977	"ARRAY" eq ref $msg
		2978	? @$msg
		2979	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2980
		2981	my @reply;
		2982
		2983	if (my $cb = $EXTICMD{$type}) {
		2984	@reply = $cb->($ns, @payload);
		2985	}
		2986
		2987	$ns->ext_reply ($reply, @reply)
		2988	if $reply;
		2989
		2990	} else {
		2991	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2992	}
		2993
		2994	cf::override;
		2995	},
2079	);	2996	);
2080		2997
2081	=item $client->async (\&cb)	2998	=item $client->async (\&cb)
2082		2999
2083	Create a new coroutine, running the specified callback. The coroutine will	3000	Create a new coroutine, running the specified callback. The coroutine will
…		…
2124	our $safe = new Safe "safe";	3041	our $safe = new Safe "safe";
2125	our $safe_hole = new Safe::Hole;	3042	our $safe_hole = new Safe::Hole;
2126		3043
2127	$SIG{FPE} = 'IGNORE';	3044	$SIG{FPE} = 'IGNORE';
2128		3045
2129	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3046	$safe->permit_only (Opcode::opset qw(
		3047	:base_core :base_mem :base_orig :base_math
		3048	grepstart grepwhile mapstart mapwhile
		3049	sort time
		3050	));
2130		3051
2131	# here we export the classes and methods available to script code	3052	# here we export the classes and methods available to script code
2132		3053
2133	=pod	3054	=pod
2134		3055
2135	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2136		3057
2137	cf::object contr pay_amount pay_player map	3058	cf::object
		3059	contr pay_amount pay_player map x y force_find force_add destroy
		3060	insert remove name archname title slaying race decrease split
		3061	value
		3062
2138	cf::object::player player	3063	cf::object::player
2139	cf::player peaceful	3064	player
2140	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2141		3071
2142	=cut	3072	=cut
2143		3073
2144	for (	3074	for (
2145	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp value msg lore send_msg)],
2146	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2147	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2148	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2149	) {	3081	) {
2150	no strict 'refs';	3082	no strict 'refs';
2151	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2152	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2169	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2170		3102
2171	my $qcode = $code;	3103	my $qcode = $code;
2172	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2173	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2174		3108
2175	local $_;	3109	local $_;
2176	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2177		3111
2178	my $eval =	3112	my $eval =
…		…
2221	=back	3155	=back
2222		3156
2223	=cut	3157	=cut
2224		3158
2225	#############################################################################	3159	#############################################################################
2226
2227	=head2 EXTENSION DATABASE SUPPORT
2228
2229	Crossfire maintains a very simple database for extension use. It can
2230	currently store anything that can be serialised using Storable, which
2231	excludes objects.
2232
2233	The parameter C<$family> should best start with the name of the extension
2234	using it, it should be unique.
2235
2236	=over 4
2237
2238	=item $value = cf::db_get $family => $key
2239
2240	Returns a single value from the database.
2241
2242	=item cf::db_put $family => $key => $value
2243
2244	Stores the given C<$value> in the family.
2245
2246	=cut
2247
2248	our $DB;
2249
2250	sub db_init {
2251	unless ($DB) {
2252	$DB = BDB::db_create $DB_ENV;
2253
2254	cf::sync_job {
2255	eval {
2256	$DB->set_flags (BDB::CHKSUM);
2257
2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260	cf::cleanup "db_open(db): $!" if $!;
2261	};
2262	cf::cleanup "db_open(db): $@" if $@;
2263	};
2264
2265	my $path = cf::localdir . "/database.pst";
2266	if (stat $path) {
2267	cf::sync_job {
2268	my $pst = Storable::retrieve $path;
2269
2270	cf::db_put (board => data => $pst->{board});
2271	cf::db_put (guildrules => data => $pst->{guildrules});
2272	cf::db_put (rent => balance => $pst->{rent}{balance});
2273	BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275	unlink $path;
2276	};
2277	}
2278	}
2279	}
2280
2281	sub db_get($$) {
2282	my $key = "$_[0]/$_[1]";
2283
2284	cf::sync_job {
2285	BDB::db_get $DB, undef, $key, my $data;
2286
2287	$! ? ()
2288	: Compress::LZF::sthaw $data
2289	}
2290	}
2291
2292	sub db_put($$$) {
2293	BDB::dbreq_pri 4;
2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295	}
2296
2297	#############################################################################
2298	# the server's init and main functions	3160	# the server's init and main functions
2299		3161
2300	sub load_facedata {	3162	sub load_facedata($) {
2301	my $path = sprintf "%s/facedata", cf::datadir;	3163	my ($path) = @_;
		3164
		3165	# HACK to clear player env face cache, we need some signal framework
		3166	# for this (global event?)
		3167	%ext::player_env::MUSIC_FACE_CACHE = ();
		3168
		3169	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2302		3170
2303	warn "loading facedata from $path\n";	3171	warn "loading facedata from $path\n";
2304		3172
2305	my $faces;	3173	my $facedata;
2306	0 < aio_load $path, $faces	3174	0 < aio_load $path, $facedata
2307	or die "$path: $!";	3175	or die "$path: $!";
2308		3176
2309	Coro::cede;
2310	$faces = Storable::thaw $faces;	3177	$facedata = Coro::Storable::thaw $facedata;
2311	Coro::cede;
2312		3178
2313	my $meta = delete $faces->{""};
2314	$meta->{version} == 1	3179	$facedata->{version} == 2
2315	or cf::cleanup "$path: version mismatch, cannot proceed.";	3180	or cf::cleanup "$path: version mismatch, cannot proceed.";
2316		3181
		3182	# patch in the exptable
		3183	$facedata->{resource}{"res/exp_table"} = {
		3184	type => FT_RSRC,
		3185	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3186	};
		3187	cf::cede_to_tick;
		3188
		3189	{
		3190	my $faces = $facedata->{faceinfo};
		3191
2317	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194
		3195	cf::face::set_visibility $idx, $info->{visibility};
		3196	cf::face::set_magicmap $idx, $info->{magicmap};
2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2322	Coro::cede;
2323	}
2324		3199
		3200	cf::cede_to_tick;
		3201	}
		3202
2325	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
2326	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
2327	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
2328	or next;	3207	or next;
		3208
2329	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
2330	cf::face::set_smooth $idx, $smooth;	3210	cf::face::set_smooth $idx, $smooth;
		3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2331	} else {	3212	} else {
2332	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
2333	}	3214	}
2334	Coro::cede;	3215
		3216	cf::cede_to_tick;
		3217	}
		3218	}
		3219
2335	}	3220	{
		3221	my $anims = $facedata->{animinfo};
		3222
		3223	while (my ($anim, $info) = each %$anims) {
		3224	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3225	cf::cede_to_tick;
		3226	}
		3227
		3228	cf::anim::invalidate_all; # d'oh
		3229	}
		3230
		3231	{
		3232	# TODO: for gcfclient pleasure, we should give resources
		3233	# that gcfclient doesn't grok a >10000 face index.
		3234	my $res = $facedata->{resource};
		3235
		3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
		3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3239	my $data;
		3240
		3241	if ($info->{type} & 1) {
		3242	# prepend meta info
		3243
		3244	my $meta = $enc->encode ({
		3245	name => $name,
		3246	%{ $info->{meta} || {} },
		3247	});
		3248
		3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
		3256	} else {
		3257	$RESOURCE{$name} = $info;
		3258	}
		3259
		3260	cf::cede_to_tick;
		3261	}
		3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2336		3265
2337	1	3266	1
2338	}	3267	}
2339		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
		3288
		3289	register_exticmd fx_want => sub {
		3290	my ($ns, $want) = @_;
		3291
		3292	while (my ($k, $v) = each %$want) {
		3293	$ns->fx_want ($k, $v);
		3294	}
		3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
		3306
		3307	sub reload_regions {
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	load_resource_file "$MAPDIR/regions"
		3313	or die "unable to load regions file\n";
		3314
		3315	for (cf::region::list) {
		3316	$_->{match} = qr/$_->{match}/
		3317	if exists $_->{match};
		3318	}
		3319	}
		3320
		3321	sub reload_facedata {
		3322	load_facedata "$DATADIR/facedata"
		3323	or die "unable to load facedata\n";
		3324	}
		3325
		3326	sub reload_archetypes {
		3327	load_resource_file "$DATADIR/archetypes"
		3328	or die "unable to load archetypes\n";
		3329	}
		3330
		3331	sub reload_treasures {
		3332	load_resource_file "$DATADIR/treasures"
		3333	or die "unable to load treasurelists\n";
		3334	}
		3335
2340	sub reload_resources {	3336	sub reload_resources {
2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3337	warn "reloading resource files...\n";
2342	or die "unable to load regions file\n";#d#	3338
2343	load_facedata	3339	reload_facedata;
2344	or die "unable to load facedata\n";#d#	3340	reload_archetypes;
2345	}
2346
2347	sub init {
2348	reload_resources;	3341	reload_regions;
2349	}	3342	reload_treasures;
2350		3343
2351	sub cfg_load {	3344	warn "finished reloading resource files\n";
		3345	}
		3346
		3347	sub reload_config {
2352	open my $fh, "<:utf8", cf::confdir . "/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2353	or return;	3349	or return;
2354		3350
2355	local $/;	3351	local $/;
2356	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2357		3353
2358	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2359		3355
2360	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2361	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2367	};	3363	};
2368	warn $@ if $@;	3364	warn $@ if $@;
2369	}	3365	}
2370	}	3366	}
2371		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2372	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
2373	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
2374	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376	(async {	3405	(async {
2377	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
2378	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
2379	};	3409	};
2380		3410
2381	cfg_load;	3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
		3415	reload_config;
2382	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
2383	load_extensions;	3429	load_extensions;
2384		3430
2385	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
2386	Event::loop;	3439	EV::loop;
2387	}	3440	}
2388		3441
2389	#############################################################################	3442	#############################################################################
2390	# initialisation and cleanup	3443	# initialisation and cleanup
2391		3444
2392	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
2393	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
2394	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
2395	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2396	reentrant => 0,
2397	data => WF_AUTOCANCEL,
2398	signal => $signal,
2399	prio => 0,
2400	cb => sub {
2401	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
2402	},
2403	);	3451	};
		3452	}
		3453	}
		3454
		3455	sub write_runtime_sync {
		3456	# first touch the runtime file to show we are still running:
		3457	# the fsync below can take a very very long time.
		3458
		3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3460
		3461	my $guard = cf::lock_acquire "write_runtime";
		3462
		3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = $cf::RUNTIME + 90 + 10;
		3467	# 10 is the runtime save interval, for a monotonic clock
		3468	# 60 allows for the watchdog to kill the server.
		3469
		3470	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3471	and return;
		3472
		3473	# always fsync - this file is important
		3474	aio_fsync $fh
		3475	and return;
		3476
		3477	# touch it again to show we are up-to-date
		3478	aio_utime $fh, undef, undef;
		3479
		3480	close $fh
		3481	or return;
		3482
		3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3484	and return;
		3485
		3486	warn "runtime file written.\n";
		3487
2404	}	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2405	}	3539	}
2406		3540
2407	sub emergency_save() {	3541	sub emergency_save() {
2408	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2409		3543
2410	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
2411		3545
2412	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
2413	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2414	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2415	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2416	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
2417	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2418	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2419	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2420	$pl->save;	3560	$pl->save;
2421	}	3561	}
2422	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
2423		3563
2424	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
2425	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
2426	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2427	$map->valid or next;	3567	$map->valid or next;
2428	$map->save;	3568	$map->save;
2429	}	3569	}
2430	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
2431		3571
2432	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
2433	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2434	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
2435	};	3579	};
2436		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
2437	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
2438	}	3587	}
2439		3588
2440	sub post_cleanup {	3589	sub post_cleanup {
2441	my ($make_core) = @_;	3590	my ($make_core) = @_;
2442		3591
2443	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2444	if $make_core;	3593	if $make_core;
2445	}
2446		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
		3623	}
		3624
2447	sub reload() {	3625	sub do_reload_perl() {
2448	# can/must only be called in main	3626	# can/must only be called in main
2449	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
2450	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
2451	return;	3629	return;
2452	}	3630	}
2453		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
2454	warn "reloading...";	3637	warn "reloading...";
2455		3638
2456	warn "entering sync_job";	3639	warn "entering sync_job";
2457		3640
2458	cf::sync_job {	3641	cf::sync_job {
2459	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2460	cf::emergency_save;	3643	cf::emergency_save;
2461	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
2462		3645
2463	warn "syncing database to disk";	3646	warn "syncing database to disk";
2464	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
2465		3648
2466	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
2467		3650
2468	warn "cancelling all WF_AUTOCANCEL watchers";
2469	for (Event::all_watchers) {
2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2471	}
2472
2473	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
2474	for (;;) {
2475	BDB::flush;
2476	IO::AIO::flush;
2477	Coro::cede;
2478	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
2479	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2480	}
2481
2482	++$RELOAD;
2483
2484	warn "cancelling all extension coros";
2485	$_->cancel for values %EXT_CORO;
2486	%EXT_CORO = ();
2487
2488	warn "removing commands";
2489	%COMMAND = ();
2490
2491	warn "removing ext commands";
2492	%EXTCMD = ();
2493
2494	warn "unloading/nuking all extensions";
2495	for my $pkg (@EXTS) {
2496	warn "... unloading $pkg";
2497
2498	if (my $cb = $pkg->can ("unload")) {
2499	eval {
2500	$cb->($pkg);
2501	1
2502	} or warn "$pkg unloaded, but with errors: $@";
2503	}	3654	}
2504		3655
2505	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
2506	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
2507	}	3658	%EXT_CORO = ();
2508		3659
2509	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
2510	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2512		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
2513	warn "... unloading $k";	3669	warn "... unloading $pkg";
2514	delete $INC{$k};
2515		3670
2516	$k =~ s/\.pm$//;
2517	$k =~ s/\//::/g;
2518
2519	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
2520	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
2521	}	3680	}
2522		3681
2523	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
2524	}	3697	}
2525		3698
2526	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
2527	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2529		3702
2530	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
2531	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
		3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2532		3706
2533	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
2534	# and global variables created in xs	3708	# and global variables created in xs
2535	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
2536		3710
2537	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
2538		3712
2539	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
2540	require cf;	3714	require cf;
2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2542		3716
2543	warn "loading config and database again";	3717	warn "loading config and database again";
2544	cf::cfg_load;	3718	cf::reload_config;
2545		3719
2546	warn "loading extensions";	3720	warn "loading extensions";
2547	cf::load_extensions;	3721	cf::load_extensions;
2548		3722
		3723	if ($REATTACH_ON_RELOAD) {
2549	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
2550	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
2551	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
2552	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
2553	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
2554	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
2555		3731
2556	warn "loading reloadable resources";	3732	warn "running post_init jobs";
2557	reload_resources;	3733	(pop @POST_INIT)->(1) while @POST_INIT;
2558		3734
2559	warn "leaving sync_job";	3735	warn "leaving sync_job";
2560		3736
2561	1	3737	1
2562	} or do {	3738	} or do {
2563	warn $@;	3739	warn $@;
2564	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
2565	exit 1;	3741	};
		3742
		3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
		3749	};
		3750
		3751	our $RELOAD_WATCHER; # used only during reload
		3752
		3753	sub reload_perl() {
		3754	# doing reload synchronously and two reloads happen back-to-back,
		3755	# coro crashes during coro_state_free->destroy here.
		3756
		3757	$RELOAD_WATCHER ||= cf::async {
		3758	Coro::AIO::aio_wait cache_extensions;
		3759
		3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
		3763	};
2566	};	3764	};
2567		3765	}
2568	warn "reloaded";
2569	};
2570
2571	our $RELOAD_WATCHER; # used only during reload
2572		3766
2573	register_command "reload" => sub {	3767	register_command "reload" => sub {
2574	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
2575		3769
2576	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
2577	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
2578		3772	async {
2579	# doing reload synchronously and two reloads happen back-to-back,	3773	$Coro::current->{desc} = "perl_reload";
2580	# coro crashes during coro_state_free->destroy here.
2581
2582	$RELOAD_WATCHER ||= Event->timer (
2583	reentrant => 0,
2584	after => 0,
2585	data => WF_AUTOCANCEL,
2586	cb => sub {
2587	reload;	3774	reload_perl;
2588	undef $RELOAD_WATCHER;
2589	},
2590	);	3775	};
2591	}	3776	}
2592	};	3777	};
2593		3778
2594	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
2595		3780
2596	my $bug_warning = 0;	3781	my $bug_warning = 0;
2597		3782
2598	$TICK_WATCHER = Event->timer (	3783	our @WAIT_FOR_TICK;
2599	reentrant => 0,	3784	our @WAIT_FOR_TICK_BEGIN;
2600	parked => 1,	3785
2601	prio => 0,	3786	sub wait_for_tick {
2602	at => $NEXT_TICK || $TICK,	3787	return if tick_inhibit || $Coro::current == $Coro::main;
2603	data => WF_AUTOCANCEL,	3788
2604	cb => sub {	3789	my $signal = new Coro::Signal;
		3790	push @WAIT_FOR_TICK, $signal;
		3791	$signal->wait;
		3792	}
		3793
		3794	sub wait_for_tick_begin {
		3795	return if tick_inhibit || $Coro::current == $Coro::main;
		3796
		3797	my $signal = new Coro::Signal;
		3798	push @WAIT_FOR_TICK_BEGIN, $signal;
		3799	$signal->wait;
		3800	}
		3801
		3802	sub tick {
2605	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
2608	return;	3806	return;
2609	}	3807	}
2610		3808
2611	$NOW = Event::time;
2612
2613	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
2614	$RUNTIME += $TICK;
2615	$NEXT_TICK += $TICK;
2616		3810
2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2619	Coro::async_pool {	3813	Coro::async_pool {
		3814	$Coro::current->{desc} = "runtime saver";
2620	write_runtime	3815	write_runtime_sync
2621	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
2622	};
2623	}	3817	};
2624
2625	$WAIT_FOR_TICK->broadcast;
2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2627
2628	# my $AFTER = Event::time;
2629	# warn $AFTER - $NOW;#d#
2630
2631	# if we are delayed by four ticks or more, skip them all
2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2633
2634	$TICK_WATCHER->at ($NEXT_TICK);
2635	$TICK_WATCHER->start;
2636	},	3818	}
2637	);	3819
		3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3821	$sig->send;
		3822	}
		3823	while (my $sig = shift @WAIT_FOR_TICK) {
		3824	$sig->send;
		3825	}
		3826
		3827	$LOAD = ($NOW - $TICK_START) / $TICK;
		3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3829
		3830	if (0) {
		3831	if ($NEXT_TICK) {
		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
		3836	}
		3837	}
2638		3838
2639	{	3839	{
2640	BDB::max_poll_time $TICK * 0.1;	3840	# configure BDB
2641	$BDB_POLL_WATCHER = Event->io (	3841
2642	reentrant => 0,
2643	fd => BDB::poll_fileno,
2644	poll => 'r',
2645	prio => 0,
2646	data => WF_AUTOCANCEL,
2647	cb => \&BDB::poll_cb,
2648	);
2649	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
2650		3843	BDB::max_poll_reqs $TICK * 0.1;
2651	BDB::set_sync_prepare {	3844	$AnyEvent::BDB::WATCHER->priority (1);
2652	my $status;
2653	my $current = $Coro::current;
2654	(
2655	sub {
2656	$status = $!;
2657	$current->ready; undef $current;
2658	},
2659	sub {
2660	Coro::schedule while defined $current;
2661	$! = $status;
2662	},
2663	)
2664	};
2665		3845
2666	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
2667	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
		3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2668		3853
2669	cf::sync_job {	3854	cf::sync_job {
2670	eval {	3855	eval {
2671	BDB::db_env_open	3856	BDB::db_env_open
2672	$DB_ENV,	3857	$DB_ENV,
2673	$BDB_ENV_DIR,	3858	$BDBDIR,
2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3859	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676	0666;	3861	0666;
2677		3862
2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679
2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681	$DB_ENV->set_lk_detect;
2682	};	3864	};
2683		3865
2684	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
2685	};	3867	};
2686	}	3868	}
		3869
		3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3872	};
		3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3875	};
		3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3878	};
2687	}	3879	}
2688		3880
2689	{	3881	{
		3882	# configure IO::AIO
		3883
2690	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
2691
2692	undef $Coro::AIO::WATCHER;
2693	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
2694	$AIO_POLL_WATCHER = Event->io (	3886	undef $AnyEvent::AIO::WATCHER;
2695	reentrant => 0,
2696	data => WF_AUTOCANCEL,
2697	fd => IO::AIO::poll_fileno,
2698	poll => 'r',
2699	prio => 6,
2700	cb => \&IO::AIO::poll_cb,
2701	);
2702	}	3887	}
		3888
		3889	my $_log_backtrace;
		3890
		3891	sub _log_backtrace {
		3892	my ($msg, @addr) = @_;
		3893
		3894	$msg =~ s/\n//;
		3895
		3896	# limit the # of concurrent backtraces
		3897	if ($_log_backtrace < 2) {
		3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
		3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
		3903	my @bt = fork_call {
		3904	@addr = map { sprintf "%x", $_ } @addr;
		3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3907	or die "addr2line: $!";
		3908
		3909	my @funcs;
		3910	my @res = <$fh>;
		3911	chomp for @res;
		3912	while (@res) {
		3913	my ($func, $line) = splice @res, 0, 2, ();
		3914	push @funcs, "[$func] $line";
		3915	}
		3916
		3917	@funcs
		3918	};
		3919
		3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3922	LOG llevInfo, "[ABT] $_\n" for @bt;
		3923	--$_log_backtrace;
		3924	};
		3925	} else {
		3926	LOG llevInfo, "[ABT] $msg\n";
		3927	LOG llevInfo, "[ABT] [suppressed]\n";
		3928	}
		3929	}
		3930
		3931	# load additional modules
		3932	require "cf/$_.pm" for @EXTRA_MODULES;
2703		3933
2704	END { cf::emergency_save }	3934	END { cf::emergency_save }
2705		3935
2706	1	3936	1
2707		3937

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