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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.246 by root, Tue Apr 17 10:38:28 2007 UTC vs.
Revision 1.471 by root, Mon Apr 27 01:38:48 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 3.61 ();	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;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;	56	use Digest::MD5;
26	use Fcntl;	57	use Fcntl;
27	use YAML::Syck ();	58	use YAML ();
28	use IO::AIO 2.32 ();	59	use IO::AIO ();
29	use Time::HiRes;	60	use Time::HiRes;
30	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
31		65
32	# configure various modules to our taste	66	# configure various modules to our taste
33	#	67	#
34	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		76
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		78
47	our %COMMAND = ();	79	our %COMMAND = ();
48	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
49		81
50	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
54		87
55	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	89	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	90
		91	our $CONFDIR = confdir;
		92	our $DATADIR = datadir;
		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;
58		106
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	109	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
69		118
70	our %CFG;	119	our %CFG;
71		120
72	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
74		124
75	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		128
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
84	binmode STDOUT;	141	binmode STDOUT;
85	binmode STDERR;	142	binmode STDERR;
86		143
87	# read virtual server time, if available	144	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
92	}	149	}
93		150
94	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	152
96	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		155
101	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
102		157
103	sub cf::map::normalise;	158	sub cf::map::normalise;
104		159
…		…
115	=item $cf::RUNTIME	170	=item $cf::RUNTIME
116		171
117	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
118	every server tick.	173	every server tick.
119		174
120	=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
121		178
122	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		183
125	=item $cf::NOW	184	=item $cf::NOW
126		185
127	The time of the last (current) server tick.	186	The time of the last (current) server tick.
128		187
129	=item $cf::TICK	188	=item $cf::TICK
130		189
131	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	202	=item %cf::CFG
134		203
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	205	from wherever your confdir points to.
137		206
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		208
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		218
144	=back	219	=back
145		220
146	=cut	221	=cut
147		222
148	BEGIN {	223	BEGIN {
149	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	225	my $msg = join "", @_;
151	utf8::encode $msg;
152		226
153	$msg .= "\n"	227	$msg .= "\n"
154	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
155		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
156	LOG llevError, $msg;	232	LOG llevError, $msg;
157	};	233	};
158	}	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#?
159		250
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		258
167	# 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
168	# within the Safe compartment.	260	# within the Safe compartment.
169	for my $pkg (qw(	261	for my $pkg (qw(
170	cf::global cf::attachable	262	cf::global cf::attachable
171	cf::object cf::object::player	263	cf::object cf::object::player
172	cf::client cf::player	264	cf::client cf::player
173	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
174	cf::map cf::party cf::region	267	cf::party cf::region
175	)) {	268	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	270	}
179		271
180	$Event::DIED = sub {	272	$EV::DIED = sub {
181	warn "error in event callback: @_";	273	warn "error in event callback: @_";
182	};	274	};
		275
		276	#############################################################################
183		277
184	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
185		279
186	=over 4	280	=over 4
187		281
…		…
206	$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;
207	$d	301	$d
208	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
209	}	303	}
210		304
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
214		306
215	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
216		308
217	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
218		310
219	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	334	=item cf::lock_wait $string
222		335
223	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
224		337
225	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
226		339
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
230	returned.	343	returned.
231		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
232	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
233	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
234		350
235	=cut	351	=item $locked = cf::lock_active $string
236		352
237	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
238		358
239	sub lock_wait($) {	359	sub lock_wait($) {
240	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	361	}
248		362
249	sub lock_acquire($) {	363	sub lock_acquire($) {
250	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
251		366
252	# wait, to be sure we are not locked	367	sub lock_active($) {
253	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	369	}
262		370
263	sub freeze_mainloop {	371	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
265		373
266	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
268	};	435	}
269	$TICK_WATCHER->stop;	436	};
270	$guard	437
		438	sub get_slot($;$$) {
		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	$sig->wait;
271	}	450	}
272		451
273	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
274		453
275	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		459
281	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
282		461
283	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
284		463
285	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
288		468
289	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
292	fast or be very important.	472	fast or be very important.
…		…
295		475
296	sub sync_job(&) {	476	sub sync_job(&) {
297	my ($job) = @_;	477	my ($job) = @_;
298		478
299	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
300	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
302		484
303	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	486
305	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
306		488
307	my $busy = 1;	489	my $busy = 1;
308	my @res;	490	my @res;
309		491
310	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	494	@res = eval { $job->() };
312	warn $@ if $@;	495	warn $@ if $@;
313	undef $busy;	496	undef $busy;
314	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
315		498
316	while ($busy) {	499	while ($busy) {
317	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
318	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
319		510
320	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
321	} else {	512	} else {
322	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
323		514
…		…
343	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
344		535
345	$coro	536	$coro
346	}	537	}
347		538
348	sub write_runtime {	539	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		540
351	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.
352		545
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	=cut
354	or return;
355		547
356	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		550
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
361	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
362		554
363	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	556	reset_signals;
365	and return;	557	&$cb
		558	}, @args;
366		559
367	close $fh	560	wantarray ? @res : $res[-1]
368	or return;	561	}
369		562
370	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
371	and return;
372		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		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($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
373	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		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"
374	}	715	}
375		716
376	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
377		718
378	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.
…		…
390		731
391	#############################################################################	732	#############################################################################
392		733
393	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
394		735
395	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
396	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")
397	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
398		739
399	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>
400	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
401	crossfire+).	742	Deliantra).
402		743
403	=over 4	744	=over 4
404		745
405	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
406		747
…		…
450	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
451		792
452	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
454		795
455	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		798
458	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
459		800
460	=over 4	801	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
570		911
571	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		916
576	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	918	my $pkg = shift @arg;
578		919
579	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
609	}	950	}
610		951
611	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
612	} else {	953	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	955	}
615		956
616	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
617	}	958	}
618		959
…		…
620	if (ref $_[0]) {	961	if (ref $_[0]) {
621	_object_attach @_;	962	_object_attach @_;
622	} else {	963	} else {
623	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
624	}	965	}
		966	_recalc_want;
625	};	967	};
626		968
627	# all those should be optimised	969	# all those should be optimised
628	sub cf::attachable::detach {	970	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
633	reattach ($obj);	975	reattach ($obj);
634	} else {	976	} else {
635	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
636	}	978	}
		979	_recalc_want;
637	};	980	};
638		981
639	sub cf::attachable::attached {	982	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
641		984
…		…
656	";	999	";
657	die if $@;	1000	die if $@;
658	}	1001	}
659		1002
660	our $override;	1003	our $override;
661	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?
662		1005
663	sub override {	1006	sub override {
664	$override = 1;	1007	$override = 1;
665	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
666	}	1009	}
667		1010
668	sub do_invoke {	1011	sub do_invoke {
669	my $event = shift;	1012	my $event = shift;
670	my $callbacks = shift;	1013	my $callbacks = shift;
671		1014
672	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
673		1016
674	local $override;	1017	local $override;
675		1018
676	for (@$callbacks) {	1019	for (@$callbacks) {
677	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
686	}	1029	}
687		1030
688	0	1031	0
689	}	1032	}
690		1033
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1035
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1037
695	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
696		1039
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1043
701	=back	1044	=back
702		1045
703	=cut	1046	=cut
704		1047
705	#############################################################################	1048	#############################################################################
706	# 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, $ob2
		1091	}
707		1092
708	sub reattach {	1093	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1095	my ($obj) = @_;
711		1096
		1097	# no longer needed after getting rid of delete_package?
712	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
713		1099
714	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
715		1101
716	@$registry = ();	1102	@$registry = ();
717		1103
…		…
732	cf::attachable->attach (	1118	cf::attachable->attach (
733	prio => -1000000,	1119	prio => -1000000,
734	on_instantiate => sub {	1120	on_instantiate => sub {
735	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
736		1122
737	$data = from_json $data;	1123	$data = decode_json $data;
738		1124
739	for (@$data) {	1125	for (@$data) {
740	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
741		1127
742	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1144	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
760		1146
761	sync_job {	1147	sync_job {
762	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
765		1152
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1157	aio_close $fh;
771		1158
772	if (@$objs) {	1159	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1165	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
780	}	1167	}
781	} else {	1168	} else {
782	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
783	}	1170	}
784		1171
785	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1176	} else {
787	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
788	}	1178	}
789	} else {	1179	} else {
790	aio_unlink $filename;	1180	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
792	}	1182	}
793	}	1183	};
794	}	1184	}
795		1185
796	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
798		1188
…		…
810	or return;	1200	or return;
811		1201
812	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
814	or return;	1204	or return;
		1205
815	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
816	}	1208	}
817		1209
		1210	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
820	return ($data, $av);	1214	($data, $av)
821	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
822		1222
823	#############################################################################	1223	#############################################################################
824	# command handling &c	1224	# command handling &c
825		1225
826	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1240	}
841		1241
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1243
844	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.
845		1249
846	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
847	called.	1251	called.
848		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
849	=cut	1264	=cut
850		1265
851	sub register_extcmd {	1266	sub register_extcmd {
852	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
853		1268
854	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
855	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
856		1279
857	cf::player->attach (	1280	cf::player->attach (
858	on_command => sub {	1281	on_command => sub {
859	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
860		1283
…		…
868	cf::override;	1291	cf::override;
869	},	1292	},
870	on_extcmd => sub {	1293	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
872		1295
873	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1297
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
881	} else {	1313	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1315	}
884		1316
885	cf::override;	1317	cf::override;
886	},	1318	},
887	);	1319	);
888		1320
		1321	# "readahead" all extensions
889	sub load_extension {	1322	sub cache_extensions {
890	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
891		1324
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
893	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1328	}
917	die $@;
918	}	1329	};
919		1330
920	push @EXTS, $pkg;	1331	$grp
921	}	1332	}
922		1333
923	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
924	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1339	next unless -r $path;
926	eval {	1340
927	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	$progress = 1;
928	1	1397	}
929	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
930	}	1403	};
931	}	1404	}
932		1405
933	#############################################################################	1406	#############################################################################
934		1407
		1408	=back
		1409
935	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
936		1411
937	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
938		1413
939	=cut	1414	=cut
940		1415
941	package cf::player;	1416	package cf::player;
942		1417
…		…
944		1419
945	=head3 cf::player	1420	=head3 cf::player
946		1421
947	=over 4	1422	=over 4
948		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
949	=item cf::player::find $login	1438	=item cf::player::find $login
950		1439
951	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
952		1441
953	=cut	1442	=cut
954		1443
955	sub playerdir($) {	1444	sub playerdir($) {
956	cf::localdir	1445	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1446	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1447	}
962		1448
963	sub path($) {	1449	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1450	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1460
975	sub exists($) {	1461	sub exists($) {
976	my ($login) = @_;	1462	my ($login) = @_;
977		1463
978	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
980	}	1466	}
981		1467
982	sub find($) {	1468	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1470	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
995		1481
996	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
999	}	1491	}
1000	}	1492	}
1001	}	1493	}
1002		1494
…		…
1011	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1012		1504
1013	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1015		1507
		1508	cf::get_slot 0.01;
		1509
1016	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1017	Coro::cede;	1511	cf::cede_to_tick;
1018	}	1512	}
1019		1513
1020	sub new($) {	1514	sub new($) {
1021	my ($login) = @_;	1515	my ($login) = @_;
1022		1516
…		…
1028	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1029		1523
1030	$self	1524	$self
1031	}	1525	}
1032		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
1033	=item $pl->quit_character	1537	=item $pl->quit_character
1034		1538
1035	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1037		1541
…		…
1041	my ($pl) = @_;	1545	my ($pl) = @_;
1042		1546
1043	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1044		1548
1045	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1046	$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
1047		1551
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1052		1558
1053	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1590	while and may block, so not sync_job-capable, ever.
1085		1591
1086	=cut	1592	=cut
1087		1593
1088	sub list_logins {	1594	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1595	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1596	or return [];
1091		1597
1092	my @logins;	1598	my @logins;
1093		1599
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1098		1610
1099	utf8::decode $login;	1611	utf8::decode $login;
1100	push @logins, $login;	1612	push @logins, $login;
1101	}	1613	}
1102		1614
…		…
1129	}	1641	}
1130		1642
1131	\@paths	1643	\@paths
1132	}	1644	}
1133		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1134	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1135		1651
1136	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1137		1653
1138	=cut	1654	=cut
1139		1655
1140	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1142		1658
1143	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1660	}
1147		1661
1148	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1149		1663
1150	Sends an ext event to the client.	1664	Sends an ext event to the client.
1151		1665
1152	=cut	1666	=cut
1153		1667
1154	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1156		1670
1157	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1158	}	1672	}
1159		1673
1160	=head3 cf::region	1674	=head3 cf::region
1161		1675
1162	=over 4	1676	=over 4
…		…
1165		1679
1166	package cf::region;	1680	package cf::region;
1167		1681
1168	=item cf::region::find_by_path $path	1682	=item cf::region::find_by_path $path
1169		1683
1170	Tries to decuce the probable region for a map knowing only its path.	1684	Tries to decuce the likely region for a map knowing only its path.
1171		1685
1172	=cut	1686	=cut
1173		1687
1174	sub find_by_path($) {	1688	sub find_by_path($) {
1175	my ($path) = @_;	1689	my ($path) = @_;
1176		1690
1177	my ($match, $specificity);	1691	my ($match, $specificity);
1178		1692
1179	for my $region (list) {	1693	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1694	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1695	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1696	if $region->specificity > $specificity;
1183	}	1697	}
1184	}	1698	}
1185		1699
…		…
1206	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1208		1722
1209	sub generate_random_map {	1723	sub generate_random_map {
1210	my ($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
1211	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1729	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1250		1767
1251	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1252	local $self->{path};	1769	local $self->{path};
1253	local $self->{load_path};	1770	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1771
1257	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1258	}	1773	}
1259		1774
1260	sub normalise {	1775	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1308	return $self;	1823	return $self;
1309	}	1824	}
1310	}	1825	}
1311		1826
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1828	()
1314	}	1829	}
1315		1830
1316	sub init {	1831	sub init {
1317	my ($self) = @_;	1832	my ($self) = @_;
…		…
1332		1847
1333	# the original (read-only) location	1848	# the original (read-only) location
1334	sub load_path {	1849	sub load_path {
1335	my ($self) = @_;	1850	my ($self) = @_;
1336		1851
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1338	}	1853	}
1339		1854
1340	# the temporary/swap location	1855	# the temporary/swap location
1341	sub save_path {	1856	sub save_path {
1342	my ($self) = @_;	1857	my ($self) = @_;
1343		1858
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1346	}	1861	}
1347		1862
1348	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1349	sub uniq_path {	1864	sub uniq_path {
1350	my ($self) = @_;	1865	my ($self) = @_;
1351		1866
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1354	}	1869	}
1355		1870
1356	# and all this just because we cannot iterate over	1871	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1872	my ($self) = @_;
1360		1873
1361	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1363	}	1877	}
1364		1878
1365	sub unlink_save {	1879	sub unlink_save {
1366	my ($self) = @_;	1880	my ($self) = @_;
1367		1881
…		…
1372		1886
1373	sub load_header_from($) {	1887	sub load_header_from($) {
1374	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1375		1889
1376	utf8::encode $path;	1890	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1899
1383	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1384		1901
1385	1	1902	1
1386	}	1903	}
…		…
1425	$self->load_header_orig	1942	$self->load_header_orig
1426	or return;	1943	or return;
1427	$self->prepare_orig;	1944	$self->prepare_orig;
1428	}	1945	}
1429		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
1430	$self->default_region (cf::region::find_by_path $self->{path})	1950	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1951	unless $self->default_region;
1432		1952
1433	1	1953	1
1434	}	1954	}
…		…
1437	sub find {	1957	sub find {
1438	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1439		1959
1440	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1441		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1964
1444	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1447	or return;	1967	or return;
1448		1968
1449	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1450		1970
1451	$map->load_header	1971	$map->load_header
1452	or return;	1972	or return;
1453		1973
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1457	$map->reset;	1979	$map->reset;
1458	undef $guard;
1459	return find $path;	1980	return find $path;
1460	}	1981	}
1461		1982
1462	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1463	}	1984	}
…		…
1470	my ($self) = @_;	1991	my ($self) = @_;
1471		1992
1472	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1473		1994
1474	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1476		1999
		2000	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2002
1479	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1480		2004
1481	$self->alloc;	2005	$self->alloc;
1482		2006
1483	$self->pre_load;	2007	$self->pre_load;
1484	Coro::cede;	2008	cf::cede_to_tick;
1485		2009
1486	$self->_load_objects ($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)
1487	or return;	2013	or return;
1488		2014
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1490	if delete $self->{load_original};	2016	if delete $self->{load_original};
1491		2017
1492	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2019	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2022	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1497	}	2026	}
1498	}	2027	}
1499		2028
1500	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1501	# now do the right thing for maps	2032	# now do the right thing for maps
1502	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2035	unless $self->difficulty;
1513	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1514	$self->activate;	2043	$self->activate;
1515	Coro::cede;	2044	}
		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
		2049	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2050	}
1517		2051
1518	$self->post_load;	2052	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2053	}
1523		2054
1524	sub customise_for {	2055	sub customise_for {
1525	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1526		2057
1527	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2059	if $self->per_player;
1529		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1530	$self	2064	$self
1531	}	2065	}
1532		2066
1533	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2068	sub load_neighbours {
1535	my ($map) = @_;	2069	my ($map) = @_;
1536		2070
1537	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1538		2072
1539	for (0 .. 3) {	2073	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1541	or next;	2075	or next;
1542	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1543	or next;	2077	or next;
1544	$neigh->load;	2078	$neigh->load;
1545		2079
		2080	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2083	}
1549		2084
1550	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1552	or next;	2088	or next;
1553	$neigh->load;	2089	$neigh->load;
1554	}	2090	}
1555	}	2091	}
1556		2092
…		…
1561	}	2097	}
1562		2098
1563	sub do_load_sync {	2099	sub do_load_sync {
1564	my ($map) = @_;	2100	my ($map) = @_;
1565		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1566	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1567	}	2106	}
1568		2107
1569	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1571		2110
1572	sub find_async {	2111	sub find_async {
1573	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1574		2113
1575	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1576		2115
1577	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2118	}
1580		2119
1581	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1582	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1583	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2127	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2128	$map->load if $v;
		2129	}
1588		2130
1589	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1590	}	2132	}
1591	}	2133	}
1592	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1593	};	2135	};
1594	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2139	}
1598		2140
1599	sub save {	2141	sub save {
1600	my ($self) = @_;	2142	my ($self) = @_;
1601		2143
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2145
1604	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1605		2147
1606	return unless $self->dirty;	2148	return unless $self->dirty;
1607		2149
…		…
1613	return if $self->{deny_save};	2155	return if $self->{deny_save};
1614		2156
1615	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1616		2158
1617	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1619	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1620		2165
1621	if ($uniq) {	2166	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2169	} else {
…		…
1630	my ($self) = @_;	2175	my ($self) = @_;
1631		2176
1632	# save first because save cedes	2177	# save first because save cedes
1633	$self->save;	2178	$self->save;
1634		2179
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2181
1637	return if $self->players;	2182	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2184	return if $self->{deny_save};
1640		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2190	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2191	}
1644		2192
1645	sub reset_at {	2193	sub reset_at {
1646	my ($self) = @_;	2194	my ($self) = @_;
1647		2195
1648	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1651		2198
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2201
…		…
1665	my ($self) = @_;	2212	my ($self) = @_;
1666		2213
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2215
1669	return if $self->players;	2216	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2217
1672	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1673		2219
1674	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1675		2221
1676	# need to save uniques path	2222	# need to save uniques path
1677	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2227	if $uniq;
1682	}	2228	}
1683		2229
1684	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1685		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2234	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2235
1690	$self->unlink_save;	2236	$self->unlink_save;
1691	$self->destroy;	2237	$self->destroy;
1692	}	2238	}
1693		2239
1694	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1695		2241
1696	sub nuke {	2242	sub nuke {
1697	my ($self) = @_;	2243	my ($self) = @_;
1698		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1699	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1700		2249
1701	$self->unlink_save;	2250	$self->unlink_save;
1702		2251
1703	bless $self, "cf::map";	2252	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2257
1709	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1710		2260
1711	$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	]
1712	}	2298	}
1713		2299
1714	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1715		2301
1716	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2303	instantiated unique items. May block.
1718		2304
1719	=cut	2305	=cut
1720		2306
1721	sub unique_maps() {	2307	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2308	[
1723	or return;	2309	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2310	utf8::decode $_;
1729	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2313	? ()
1732	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2316	]
1734
1735	\@paths
1736	}	2317	}
1737
1738	package cf;
1739		2318
1740	=back	2319	=back
1741		2320
1742	=head3 cf::object	2321	=head3 cf::object
1743		2322
…		…
1747		2326
1748	=over 4	2327	=over 4
1749		2328
1750	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1751		2330
1752	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.
1753		2333
1754	=cut	2334	=cut
1755		2335
1756	sub inv_recursive_;	2336	sub inv_recursive_;
1757	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1760		2340
1761	sub inv_recursive {	2341	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1763	}	2343	}
1764		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
1765	package cf;	2373	package cf;
1766		2374
1767	=back	2375	=back
1768		2376
1769	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1778		2386
1779	=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	};
1780		2402
1781	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2404	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1786		2408
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2410
1789	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1794	}	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 (@_);
1795	}	2436	}
1796		2437
1797	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1798		2439
1799	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1812		2453
1813	=item $player_object->enter_link	2454	=item $player_object->enter_link
1814		2455
1815	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}>).
1816		2457
1817	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.
1818	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.
1819		2462
1820	Will never block.	2463	Will never block.
1821		2464
1822	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1823		2466
…		…
1846	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1847		2490
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2492
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1852		2495
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2497	}
1855		2498
1856	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1858		2503
1859	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1860		2505
1861	unless ($map) {	2506	unless ($map) {
1862	# restore original map position	2507	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1879		2524
1880	$map->load;	2525	$map->load;
1881	$map->load_diag;	2526	$map->load_neighbours;
1882		2527
1883	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2530	$self->activate_recursive;
1885		2531
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1888	}	2534	}
1889		2535
1890	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2537
1894	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1898	};	2542	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2543
1904	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2546
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1925		2550
1926	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1927	my ($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;
1928		2556
1929	$self->enter_link;	2557	$self->enter_link;
1930		2558
1931	(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
1932	my $map = eval {	2581	my $map = eval {
1933	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2597	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1940	})->prio (1);	2605	})->prio (1);
1941	}	2606	}
1942		2607
1943	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1944		2609
…		…
1964	}	2629	}
1965		2630
1966	sub prepare_random_map {	2631	sub prepare_random_map {
1967	my ($exit) = @_;	2632	my ($exit) = @_;
1968		2633
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2636	# that depends on the exit object
1974		2637
1975	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2640	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
1982	}	2647	}
1983		2648
1984	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
1985		2650
1986	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
1989		2654
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2657	undef $fh;
1993	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
1994		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
1997	}	2666	}
1998	}	2667	}
1999		2668
2000	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2002		2671
2003	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2004		2673
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2674	$self->enter_link;
2017		2675
2018	(async {	2676	(async {
2019	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2022		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
2023	1;	2700	1
2024	}) {	2701	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2706
2030	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2049		2726
2050	utf8::encode $text;	2727	utf8::encode $text;
2051	$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);
2052	}	2729	}
2053		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/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	"c/party" => {
		2827	id => "party",
		2828	title => "Party",
		2829	reply => "gsay ",
		2830	tooltip => "Messages and chat related to your party",
		2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
		2840	);
		2841
		2842	sub cf::client::send_msg {
		2843	my ($self, $channel, $msg, $color, @extra) = @_;
		2844
		2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
		2847
		2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2849
		2850	# check predefined channels, for the benefit of C
		2851	if ($CHANNEL{$channel}) {
		2852	$channel = $CHANNEL{$channel};
		2853
		2854	$self->ext_msg (channel_info => $channel);
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel);
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	my $pkt = "msg "
		2874	. $self->{json_coder}->encode (
		2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2876	);
		2877
		2878	# try lzf for large packets
		2879	$pkt = "lzf " . Compress::LZF::compress $pkt
		2880	if 1024 <= length $pkt and $self->{can_lzf};
		2881
		2882	# split very large packets
		2883	if (8192 < length $pkt and $self->{can_lzf}) {
		2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2885	$pkt = "frag";
		2886	}
		2887
		2888	$self->send_packet ($pkt);
		2889	}
		2890
2054	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2055		2892
2056	Sends an exti event to the client.	2893	Sends an ext event to the client.
2057		2894
2058	=cut	2895	=cut
2059		2896
2060	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2062		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
2065	}	2924	}
2066		2925
2067	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2068		2927
2069	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2931
2073	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2933	become reliable at some point in the future.
2075		2934
2076	=cut	2935	=cut
2077		2936
2078	sub cf::client::query {	2937	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2946	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2948
2090	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2092	}	2953	}
2093		2954
2094	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2095	on_reply => sub {	2961	on_reply => sub {
2096	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2097		2963
2098	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2099	# get handled first	2965	# get handled first
…		…
2111	} else {	2977	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2979	}
2114	}	2980	}
2115	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2116	);	3008	);
2117		3009
2118	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2119		3011
2120	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2163		3055
2164	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2165		3057
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2167		3063
2168	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2169		3065
2170	=pod	3066	=pod
2171		3067
2172	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2173		3069
2174	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease split
		3073	value
		3074
2175	cf::object::player player	3075	cf::object::player
2176	cf::player peaceful	3076	player
2177	cf::map trigger	3077
		3078	cf::player
		3079	peaceful
		3080
		3081	cf::map
		3082	trigger
2178		3083
2179	=cut	3084	=cut
2180		3085
2181	for (	3086	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3088	insert remove inv nrof name archname title slaying race
		3089	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
2186	) {	3093	) {
2187	no strict 'refs';	3094	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2206	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
2207		3114
2208	my $qcode = $code;	3115	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
2211		3120
2212	local $_;	3121	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
2214		3123
2215	my $eval =	3124	my $eval =
…		…
2258	=back	3167	=back
2259		3168
2260	=cut	3169	=cut
2261		3170
2262	#############################################################################	3171	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3172	# the server's init and main functions
2336		3173
2337	sub load_facedata($) {	3174	sub load_facedata($) {
2338	my ($path) = @_;	3175	my ($path) = @_;
		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3182
2340	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2341		3184
2342	my $facedata;	3185	my $facedata;
2343	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2347		3190
2348	$facedata->{version} == 2	3191	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2351	{	3201	{
2352	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2353		3203
2354	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3211
		3212	cf::cede_to_tick;
2360	}	3213	}
2361		3214
2362	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2364	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2365	or next;	3219	or next;
		3220
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3224	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3226	}
2371	Coro::cede;	3227
		3228	cf::cede_to_tick;
2372	}	3229	}
2373	}	3230	}
2374		3231
2375	{	3232	{
2376	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2377		3234
2378	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3237	cf::cede_to_tick;
2381	}	3238	}
2382		3239
2383	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2384	}	3241	}
2385		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2386	1	3278	1
2387	}	3279	}
2388		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub load_resource_file($) {
		3310	my $guard = lock_acquire "load_resource_file";
		3311
		3312	my $status = load_resource_file_ $_[0];
		3313	get_slot 0.1, 100;
		3314	cf::arch::commit_load;
		3315
		3316	$status
		3317	}
		3318
		3319	sub reload_regions {
		3320	# HACK to clear player env face cache, we need some signal framework
		3321	# for this (global event?)
		3322	%ext::player_env::MUSIC_FACE_CACHE = ();
		3323
		3324	load_resource_file "$MAPDIR/regions"
		3325	or die "unable to load regions file\n";
		3326
		3327	for (cf::region::list) {
		3328	$_->{match} = qr/$_->{match}/
		3329	if exists $_->{match};
		3330	}
		3331	}
		3332
2389	sub reload_facedata {	3333	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3334	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3335	or die "unable to load facedata\n";
2392	}	3336	}
2393		3337
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3338	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3339	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3340	or die "unable to load archetypes\n";
2402	}	3341	}
2403		3342
2404	sub reload_treasures {	3343	sub reload_treasures {
2405	load_treasure_file sprintf "%s/treasures", cf::datadir	3344	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3345	or die "unable to load treasurelists\n";
2407	}	3346	}
2408		3347
2409	sub reload_resources {	3348	sub reload_resources {
2410	warn "reloading resource files...\n";	3349	warn "reloading resource files...\n";
2411		3350
2412	reload_regions;
2413	reload_facedata;	3351	reload_facedata;
2414	reload_archetypes;	3352	reload_archetypes;
		3353	reload_regions;
2415	reload_treasures;	3354	reload_treasures;
2416		3355
2417	warn "finished reloading resource files\n";	3356	warn "finished reloading resource files\n";
2418	}	3357	}
2419		3358
2420	sub init {	3359	sub reload_config {
2421	reload_resources;
2422	}
2423
2424	sub cfg_load {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3361	or return;
2427		3362
2428	local $/;	3363	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2430		3365
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2432		3367
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2440	};	3375	};
2441	warn $@ if $@;	3376	warn $@ if $@;
2442	}	3377	}
2443	}	3378	}
2444		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
2445	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
2446	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3417	(async {
2450	Event::one_event;	3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3419	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3420	})->prio (Coro::PRIO_MAX);
2452	};	3421	};
2453		3422
2454	cfg_load;	3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	cf::sync_job {
		3426	reload_resources;
		3427	reload_config;
2455	db_init;	3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
2456	load_extensions;	3441	load_extensions;
2457		3442
2458	$TICK_WATCHER->start;	3443	utime time, time, $RUNTIMEFILE;
		3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
		3449	};
		3450
2459	Event::loop;	3451	EV::loop;
2460	}	3452	}
2461		3453
2462	#############################################################################	3454	#############################################################################
2463	# initialisation and cleanup	3455	# initialisation and cleanup
2464		3456
2465	# install some emergency cleanup handlers	3457	# install some emergency cleanup handlers
2466	BEGIN {	3458	BEGIN {
		3459	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3460	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3461	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3462	cf::cleanup "SIG$signal";
2475	},
2476	);	3463	};
		3464	}
		3465	}
		3466
		3467	sub write_runtime_sync {
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2477	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
		3525	$uuid_skip = 0;
		3526
		3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3528	and return;
		3529
		3530	# always fsync - this file is important
		3531	aio_fsync $fh
		3532	and return;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$uuid~", $uuid
		3538	and return;
		3539
		3540	warn "uuid file written ($value).\n";
		3541
		3542	1
		3543
		3544	}
		3545
		3546	sub write_uuid($$) {
		3547	my ($skip, $sync) = @_;
		3548
		3549	$sync ? write_uuid_sync $skip
		3550	: async { write_uuid_sync $skip };
2478	}	3551	}
2479		3552
2480	sub emergency_save() {	3553	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
2482		3555
2483	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
2484		3557
2485	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
2486	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3570	$pl->valid or next;
		3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3572	$pl->save;
2494	}	3573	}
2495	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
2496		3575
2497	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	3579	$map->valid or next;
2501	$map->save;	3580	$map->save;
2502	}	3581	}
2503	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
2504		3583
2505	warn "begin emergency database checkpoint\n";	3584	warn "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3585	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	3586	warn "emergency_perl_save: end database checkpoint\n";
		3587
		3588	warn "emergency_perl_save: begin write uuid\n";
		3589	write_uuid_sync 1;
		3590	warn "emergency_perl_save: end write uuid\n";
2508	};	3591	};
2509		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
2510	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
2511	}	3599	}
2512		3600
2513	sub post_cleanup {	3601	sub post_cleanup {
2514	my ($make_core) = @_;	3602	my ($make_core) = @_;
2515		3603
2516	warn Carp::longmess "post_cleanup backtrace"	3604	warn Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3605	if $make_core;
		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
2518	}	3635	}
2519		3636
2520	sub do_reload_perl() {	3637	sub do_reload_perl() {
2521	# can/must only be called in main	3638	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
2523	warn "can only reload from main coroutine";	3640	warn "can only reload from main coroutine";
2524	return;	3641	return;
2525	}	3642	}
2526		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
2527	warn "reloading...";	3649	warn "reloading...";
2528		3650
2529	warn "entering sync_job";	3651	warn "entering sync_job";
2530		3652
2531	cf::sync_job {	3653	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark	3654	cf::write_runtime_sync; # external watchdog should not bark
2533	cf::emergency_save;	3655	cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark	3656	cf::write_runtime_sync; # external watchdog should not bark
2535		3657
2536	warn "syncing database to disk";	3658	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
2538		3660
2539	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
2540		3662
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";	3663	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;	3664	while (IO::AIO::nreqs || BDB::nreqs) {
2552	warn "iterate...";	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();
2560
2561	warn "removing commands";
2562	%COMMAND = ();
2563
2564	warn "removing ext commands";
2565	%EXTCMD = ();
2566
2567	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";
2570
2571	if (my $cb = $pkg->can ("unload")) {
2572	eval {
2573	$cb->($pkg);
2574	1
2575	} or warn "$pkg unloaded, but with errors: $@";
2576	}	3666	}
2577		3667
2578	warn "... nuking $pkg";	3668	warn "cancelling all extension coros";
2579	Symbol::delete_package $pkg;	3669	$_->cancel for values %EXT_CORO;
2580	}	3670	%EXT_CORO = ();
2581		3671
2582	warn "unloading all perl modules loaded from $LIBDIR";	3672	warn "removing commands";
2583	while (my ($k, $v) = each %INC) {	3673	%COMMAND = ();
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
2586	warn "... unloading $k";	3681	warn "... unloading $pkg";
2587	delete $INC{$k};
2588		3682
2589	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;
2591
2592	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
2593	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
2594	}	3692	}
2595		3693
2596	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
2597	}	3709	}
2598		3710
2599	warn "getting rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3714
2603	warn "unloading cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
		3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		3718
2606	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3720	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
2609		3722
2610	warn "unload completed, starting to reload now";	3723	warn "unload completed, starting to reload now";
2611		3724
2612	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
2613	require cf;	3726	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2615		3728
2616	warn "loading config and database again";	3729	warn "loading config and database again";
2617	cf::cfg_load;	3730	cf::reload_config;
2618		3731
2619	warn "loading extensions";	3732	warn "loading extensions";
2620	cf::load_extensions;	3733	cf::load_extensions;
2621		3734
		3735	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	3737	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	3738	warn "reattaching attachments to maps";
2625	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	3740	warn "reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	3741	reattach $_ for values %PLAYER;
		3742	}
2628		3743
		3744	warn "running post_init jobs";
		3745	(pop @POST_INIT)->(1) while @POST_INIT;
		3746
2629	warn "leaving sync_job";	3747	warn "leaving sync_job";
2630		3748
2631	1	3749	1
2632	} or do {	3750	} or do {
2633	warn $@;	3751	warn $@;
2634	warn "error while reloading, exiting.";	3752	cf::cleanup "error while reloading, exiting.";
2635	exit 1;
2636	};	3753	};
2637		3754
2638	warn "reloaded";	3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
2639	};	3761	};
2640		3762
2641	our $RELOAD_WATCHER; # used only during reload	3763	our $RELOAD_WATCHER; # used only during reload
2642		3764
2643	sub reload_perl() {	3765	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	3766	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	3767	# coro crashes during coro_state_free->destroy here.
2646		3768
2647	$RELOAD_WATCHER ||= Event->timer (	3769	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	3770	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	3771
2650	data => WF_AUTOCANCEL,	3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	3773	do_reload_perl;
2653	undef $RELOAD_WATCHER;	3774	undef $RELOAD_WATCHER;
2654	},	3775	};
2655	);	3776	};
2656	}	3777	}
2657		3778
2658	register_command "reload" => sub {	3779	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
2660		3781
2661	if ($who->flag (FLAG_WIZ)) {	3782	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	3783	$who->message ("reloading server.");
		3784	async {
		3785	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	3786	reload_perl;
		3787	};
2664	}	3788	}
2665	};	3789	};
2666		3790
2667	unshift @INC, $LIBDIR;	3791	unshift @INC, $LIBDIR;
2668		3792
…		…
2670		3794
2671	our @WAIT_FOR_TICK;	3795	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	3796	our @WAIT_FOR_TICK_BEGIN;
2673		3797
2674	sub wait_for_tick {	3798	sub wait_for_tick {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	3799	return if tick_inhibit || $Coro::current == $Coro::main;
2677		3800
2678	my $signal = new Coro::Signal;	3801	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	3802	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	3803	$signal->wait;
2681	}	3804	}
2682		3805
2683	sub wait_for_tick_begin {	3806	sub wait_for_tick_begin {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	3807	return if tick_inhibit || $Coro::current == $Coro::main;
2686		3808
2687	my $signal = new Coro::Signal;	3809	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	3810	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	3811	$signal->wait;
2690	}	3812	}
2691		3813
2692	$TICK_WATCHER = Event->timer (	3814	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	3815	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3816	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3817	unless ++$bug_warning > 10;
2702	return;	3818	return;
2703	}	3819	}
2704		3820
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	3821	cf::server_tick; # one server iteration
2708		3822
2709	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;
2711
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3823	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	3824	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	3825	Coro::async_pool {
		3826	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	3827	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	3828	or warn "ERROR: unable to write runtime file: $!";
2717	};
2718	}	3829	};
		3830	}
2719		3831
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3832	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	3833	$sig->send;
2731	}	3834	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	3835	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	3836	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	3837	}
2738	);	3838
		3839	$LOAD = ($NOW - $TICK_START) / $TICK;
		3840	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3841
		3842	if (0) {
		3843	if ($NEXT_TICK) {
		3844	my $jitter = $TICK_START - $NEXT_TICK;
		3845	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3846	warn "jitter $JITTER\n";#d#
		3847	}
		3848	}
		3849	}
2739		3850
2740	{	3851	{
2741	BDB::max_poll_time $TICK * 0.1;	3852	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	3853
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	3854	BDB::min_parallel 8;
2751		3855	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	3856	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		3857
2767	unless ($DB_ENV) {	3858	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	3859	$DB_ENV = BDB::db_env_create;
		3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		3865
2770	cf::sync_job {	3866	cf::sync_job {
2771	eval {	3867	eval {
2772	BDB::db_env_open	3868	BDB::db_env_open
2773	$DB_ENV,	3869	$DB_ENV,
2774	$BDB_ENV_DIR,	3870	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3871	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3872	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	3873	0666;
2778		3874
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3875	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	3876	};
2784		3877
2785	cf::cleanup "db_env_open(db): $@" if $@;	3878	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	3879	};
2787	}	3880	}
		3881
		3882	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3883	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3884	};
		3885	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3886	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3887	};
		3888	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3889	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3890	};
2788	}	3891	}
2789		3892
2790	{	3893	{
		3894	# configure IO::AIO
		3895
2791	IO::AIO::min_parallel 8;	3896	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	3897	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	3898	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	3899	}
		3900
		3901	my $_log_backtrace;
		3902
		3903	sub _log_backtrace {
		3904	my ($msg, @addr) = @_;
		3905
		3906	$msg =~ s/\n//;
		3907
		3908	# limit the # of concurrent backtraces
		3909	if ($_log_backtrace < 2) {
		3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
		3912	async {
		3913	$Coro::current->{desc} = "abt $msg";
		3914
		3915	my @bt = fork_call {
		3916	@addr = map { sprintf "%x", $_ } @addr;
		3917	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3918	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3919	or die "addr2line: $!";
		3920
		3921	my @funcs;
		3922	my @res = <$fh>;
		3923	chomp for @res;
		3924	while (@res) {
		3925	my ($func, $line) = splice @res, 0, 2, ();
		3926	push @funcs, "[$func] $line";
		3927	}
		3928
		3929	@funcs
		3930	};
		3931
		3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3934	LOG llevInfo, "[ABT] $_\n" for @bt;
		3935	--$_log_backtrace;
		3936	};
		3937	} else {
		3938	LOG llevInfo, "[ABT] $msg\n";
		3939	LOG llevInfo, "[ABT] [suppressed]\n";
		3940	}
		3941	}
		3942
		3943	# load additional modules
		3944	require "cf/$_.pm" for @EXTRA_MODULES;
2804		3945
2805	END { cf::emergency_save }	3946	END { cf::emergency_save }
2806		3947
2807	1	3948	1
2808		3949

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