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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.243 by root, Mon Apr 16 13:02:29 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
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";
58		90
59	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	92	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
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 $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
770	close $fh;	1160	aio_close $fh;
771		1161
772	if (@$objs) {	1162	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
778	close $fh;	1171	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
780	}	1173	}
781	} else {	1174	} else {
782	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
783	}	1176	}
784		1177
785	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1182	} else {
787	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
788	}	1184	}
789	} else {	1185	} else {
790	aio_unlink $filename;	1186	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
792	}	1188	}
793	}	1189	};
794	}	1190	}
795		1191
796	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
798		1194
…		…
810	or return;	1206	or return;
811		1207
812	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
814	or return;	1210	or return;
		1211
815	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
816	}	1214	}
817		1215
		1216	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
820	return ($data, $av);	1220	($data, $av)
821	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
822		1228
823	#############################################################################	1229	#############################################################################
824	# command handling &c	1230	# command handling &c
825		1231
826	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1246	}
841		1247
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1249
844	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
845		1255
846	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
847	called.	1257	called.
848		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
849	=cut	1270	=cut
850		1271
851	sub register_extcmd {	1272	sub register_extcmd {
852	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
853		1274
854	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
855	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
856		1285
857	cf::player->attach (	1286	cf::player->attach (
858	on_command => sub {	1287	on_command => sub {
859	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
860		1289
…		…
868	cf::override;	1297	cf::override;
869	},	1298	},
870	on_extcmd => sub {	1299	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
872		1301
873	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1303
875	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
881	} else {	1319	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1321	}
884		1322
885	cf::override;	1323	cf::override;
886	},	1324	},
887	);	1325	);
888		1326
		1327	# "readahead" all extensions
889	sub load_extension {	1328	sub cache_extensions {
890	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
891		1330
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1333	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	}	1334	}
917	die $@;
918	}	1335	};
919		1336
920	push @EXTS, $pkg;	1337	$grp
921	}	1338	}
922		1339
923	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
924	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1345	next unless -r $path;
926	eval {	1346
927	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
928	1	1403	}
929	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
930	}	1409	};
931	}	1410	}
932		1411
933	#############################################################################	1412	#############################################################################
934		1413
		1414	=back
		1415
935	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
936		1417
937	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
938		1419
939	=cut	1420	=cut
940		1421
941	package cf::player;	1422	package cf::player;
942		1423
…		…
944		1425
945	=head3 cf::player	1426	=head3 cf::player
946		1427
947	=over 4	1428	=over 4
948		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
		1443
949	=item cf::player::find $login	1444	=item cf::player::find $login
950		1445
951	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
952		1447
953	=cut	1448	=cut
954		1449
955	sub playerdir($) {	1450	sub playerdir($) {
956	cf::localdir	1451	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1452	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1453	}
962		1454
963	sub path($) {	1455	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1456	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1466
975	sub exists($) {	1467	sub exists($) {
976	my ($login) = @_;	1468	my ($login) = @_;
977		1469
978	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
980	}	1472	}
981		1473
982	sub find($) {	1474	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1476	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
995		1487
996	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
997	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
999	}	1497	}
1000	}	1498	}
1001	}	1499	}
1002		1500
…		…
1011	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1012		1510
1013	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1015		1513
		1514	cf::get_slot 0.01;
		1515
1016	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1017	Coro::cede;	1517	cf::cede_to_tick;
1018	}	1518	}
1019		1519
1020	sub new($) {	1520	sub new($) {
1021	my ($login) = @_;	1521	my ($login) = @_;
1022		1522
…		…
1028	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1029		1529
1030	$self	1530	$self
1031	}	1531	}
1032		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1033	=item $pl->quit_character	1543	=item $pl->quit_character
1034		1544
1035	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1037		1547
…		…
1041	my ($pl) = @_;	1551	my ($pl) = @_;
1042		1552
1043	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1044		1554
1045	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1557
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1052		1564
1053	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1596	while and may block, so not sync_job-capable, ever.
1085		1597
1086	=cut	1598	=cut
1087		1599
1088	sub list_logins {	1600	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1601	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1602	or return [];
1091		1603
1092	my @logins;	1604	my @logins;
1093		1605
1094	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1098		1616
1099	utf8::decode $login;	1617	utf8::decode $login;
1100	push @logins, $login;	1618	push @logins, $login;
1101	}	1619	}
1102		1620
…		…
1129	}	1647	}
1130		1648
1131	\@paths	1649	\@paths
1132	}	1650	}
1133		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1134	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1135		1657
1136	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1137		1659
1138	=cut	1660	=cut
1139		1661
1140	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1142		1664
1143	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1666	}
1147		1667
1148	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1149		1669
1150	Sends an ext event to the client.	1670	Sends an ext event to the client.
1151		1671
1152	=cut	1672	=cut
1153		1673
1154	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1156		1676
1157	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1158	}	1678	}
1159		1679
1160	=head3 cf::region	1680	=head3 cf::region
1161		1681
1162	=over 4	1682	=over 4
…		…
1165		1685
1166	package cf::region;	1686	package cf::region;
1167		1687
1168	=item cf::region::find_by_path $path	1688	=item cf::region::find_by_path $path
1169		1689
1170	Tries to decuce the probable region for a map knowing only its path.	1690	Tries to decuce the likely region for a map knowing only its path.
1171		1691
1172	=cut	1692	=cut
1173		1693
1174	sub find_by_path($) {	1694	sub find_by_path($) {
1175	my ($path) = @_;	1695	my ($path) = @_;
1176		1696
1177	my ($match, $specificity);	1697	my ($match, $specificity);
1178		1698
1179	for my $region (list) {	1699	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1700	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1701	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1702	if $region->specificity > $specificity;
1183	}	1703	}
1184	}	1704	}
1185		1705
…		…
1206	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1208		1728
1209	sub generate_random_map {	1729	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1211	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1735	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1772	my ($self, $merge) = @_;
1250		1773
1251	# we have to keep some variables in memory intact	1774	# we have to keep some variables in memory intact
1252	local $self->{path};	1775	local $self->{path};
1253	local $self->{load_path};	1776	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1777
1257	$self->SUPER::thawer_merge ($merge);	1778	$self->SUPER::thawer_merge ($merge);
1258	}	1779	}
1259		1780
1260	sub normalise {	1781	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1308	return $self;	1829	return $self;
1309	}	1830	}
1310	}	1831	}
1311		1832
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1834	()
1314	}	1835	}
1315		1836
1316	sub init {	1837	sub init {
1317	my ($self) = @_;	1838	my ($self) = @_;
…		…
1332		1853
1333	# the original (read-only) location	1854	# the original (read-only) location
1334	sub load_path {	1855	sub load_path {
1335	my ($self) = @_;	1856	my ($self) = @_;
1336		1857
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1858	"$MAPDIR/$self->{path}.map"
1338	}	1859	}
1339		1860
1340	# the temporary/swap location	1861	# the temporary/swap location
1341	sub save_path {	1862	sub save_path {
1342	my ($self) = @_;	1863	my ($self) = @_;
1343		1864
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1866	"$TMPDIR/$path.map"
1346	}	1867	}
1347		1868
1348	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1349	sub uniq_path {	1870	sub uniq_path {
1350	my ($self) = @_;	1871	my ($self) = @_;
1351		1872
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1874	"$UNIQUEDIR/$path"
1354	}	1875	}
1355		1876
1356	# and all this just because we cannot iterate over	1877	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1878	my ($self) = @_;
1360		1879
1361	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1363	}	1883	}
1364		1884
1365	sub unlink_save {	1885	sub unlink_save {
1366	my ($self) = @_;	1886	my ($self) = @_;
1367		1887
…		…
1372		1892
1373	sub load_header_from($) {	1893	sub load_header_from($) {
1374	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1375		1895
1376	utf8::encode $path;	1896	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1382		1905
1383	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1384		1907
1385	1	1908	1
1386	}	1909	}
…		…
1425	$self->load_header_orig	1948	$self->load_header_orig
1426	or return;	1949	or return;
1427	$self->prepare_orig;	1950	$self->prepare_orig;
1428	}	1951	}
1429		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1430	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1957	unless $self->default_region;
1432		1958
1433	1	1959	1
1434	}	1960	}
…		…
1437	sub find {	1963	sub find {
1438	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1439		1965
1440	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1441		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1970
1444	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1447	or return;	1973	or return;
1448		1974
1449	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1450		1976
1451	$map->load_header	1977	$map->load_header
1452	or return;	1978	or return;
1453		1979
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1457	$map->reset;	1985	$map->reset;
1458	undef $guard;
1459	return find $path;	1986	return find $path;
1460	}	1987	}
1461		1988
1462	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1463	}	1990	}
…		…
1470	my ($self) = @_;	1997	my ($self) = @_;
1471		1998
1472	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1473		2000
1474	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1476		2005
		2006	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2008
1479	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1480		2010
1481	$self->alloc;	2011	$self->alloc;
1482		2012
1483	$self->pre_load;	2013	$self->pre_load;
1484	Coro::cede;	2014	cf::cede_to_tick;
1485		2015
1486	$self->_load_objects ($self->{load_path}, 1)	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1487	or return;	2019	or return;
1488		2020
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1490	if delete $self->{load_original};	2022	if delete $self->{load_original};
1491		2023
1492	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2025	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2028	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1497	}	2032	}
1498	}	2033	}
1499		2034
1500	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1501	# now do the right thing for maps	2038	# now do the right thing for maps
1502	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2040	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2041	unless $self->difficulty;
1513	Coro::cede;	2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1514	$self->activate;	2049	$self->activate;
1515	Coro::cede;	2050	}
		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
		2055	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2056	}
1517		2057
1518	$self->post_load;	2058	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2059	}
1523		2060
1524	sub customise_for {	2061	sub customise_for {
1525	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1526		2063
1527	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2065	if $self->per_player;
1529		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1530	$self	2070	$self
1531	}	2071	}
1532		2072
1533	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2074	sub load_neighbours {
1535	my ($map) = @_;	2075	my ($map) = @_;
1536		2076
1537	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1538		2078
1539	for (0 .. 3) {	2079	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1541	or next;	2081	or next;
1542	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1543	or next;	2083	or next;
1544	$neigh->load;	2084	$neigh->load;
1545		2085
		2086	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2089	}
1549		2090
1550	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1552	or next;	2094	or next;
1553	$neigh->load;	2095	$neigh->load;
1554	}	2096	}
1555	}	2097	}
1556		2098
…		…
1561	}	2103	}
1562		2104
1563	sub do_load_sync {	2105	sub do_load_sync {
1564	my ($map) = @_;	2106	my ($map) = @_;
1565		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1566	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1567	}	2112	}
1568		2113
1569	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1571		2116
1572	sub find_async {	2117	sub find_async {
1573	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1574		2119
1575	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1576		2121
1577	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2124	}
1580		2125
1581	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1582	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1583	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2133	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2134	$map->load if $v;
		2135	}
1588		2136
1589	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1590	}	2138	}
1591	}	2139	}
1592	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1593	};	2141	};
1594	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2145	}
1598		2146
1599	sub save {	2147	sub save {
1600	my ($self) = @_;	2148	my ($self) = @_;
1601		2149
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2151
1604	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1605		2153
1606	return unless $self->dirty;	2154	return unless $self->dirty;
1607		2155
…		…
1613	return if $self->{deny_save};	2161	return if $self->{deny_save};
1614		2162
1615	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1616		2164
1617	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1619	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1620		2171
1621	if ($uniq) {	2172	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2175	} else {
…		…
1630	my ($self) = @_;	2181	my ($self) = @_;
1631		2182
1632	# save first because save cedes	2183	# save first because save cedes
1633	$self->save;	2184	$self->save;
1634		2185
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2187
1637	return if $self->players;	2188	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2190	return if $self->{deny_save};
1640		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2196	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2197	}
1644		2198
1645	sub reset_at {	2199	sub reset_at {
1646	my ($self) = @_;	2200	my ($self) = @_;
1647		2201
1648	# TODO: safety, remove and allow resettable per-player maps	2202	# 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};	2203	return 1e99 if $self->{deny_reset};
1651		2204
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2207
…		…
1665	my ($self) = @_;	2218	my ($self) = @_;
1666		2219
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2221
1669	return if $self->players;	2222	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2223
1672	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
1673		2225
1674	$self->in_memory (cf::MAP_SWAPPED);	2226	$self->in_memory (cf::MAP_SWAPPED);
1675		2227
1676	# need to save uniques path	2228	# need to save uniques path
1677	unless ($self->{deny_save}) {	2229	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2233	if $uniq;
1682	}	2234	}
1683		2235
1684	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1685		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2240	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2241
1690	$self->unlink_save;	2242	$self->unlink_save;
1691	$self->destroy;	2243	$self->destroy;
1692	}	2244	}
1693		2245
1694	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1695		2247
1696	sub nuke {	2248	sub nuke {
1697	my ($self) = @_;	2249	my ($self) = @_;
1698		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
1699	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
1700		2255
1701	$self->unlink_save;	2256	$self->unlink_save;
1702		2257
1703	bless $self, "cf::map";	2258	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2263
1709	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
1710		2266
1711	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
		2268	}
		2269
		2270	=item $maps = cf::map::tmp_maps
		2271
		2272	Returns an arrayref with all map paths of currently instantiated and saved
		2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
		2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
		2287
		2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1712	}	2304	}
1713		2305
1714	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1715		2307
1716	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2309	instantiated unique items. May block.
1718		2310
1719	=cut	2311	=cut
1720		2312
1721	sub unique_maps() {	2313	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2314	[
1723	or return;	2315	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2316	utf8::decode $_;
1729	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2319	? ()
1732	push @paths, cf::map::normalise $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2322	]
1734
1735	\@paths
1736	}	2323	}
1737
1738	package cf;
1739		2324
1740	=back	2325	=back
1741		2326
1742	=head3 cf::object	2327	=head3 cf::object
1743		2328
…		…
1747		2332
1748	=over 4	2333	=over 4
1749		2334
1750	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1751		2336
1752	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1753		2339
1754	=cut	2340	=cut
1755		2341
1756	sub inv_recursive_;	2342	sub inv_recursive_;
1757	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1760		2346
1761	sub inv_recursive {	2347	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1763	}	2349	}
1764		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1765	package cf;	2379	package cf;
1766		2380
1767	=back	2381	=back
1768		2382
1769	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	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	2390	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1778		2392
1779	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1780		2408
1781	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2410	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1786		2414
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2416
1789	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1791	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1794	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1795	}	2442	}
1796		2443
1797	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1798		2445
1799	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1812		2459
1813	=item $player_object->enter_link	2460	=item $player_object->enter_link
1814		2461
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2463
1817	The player should be reasonably safe there for short amounts of time. You	2464	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.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
1819		2468
1820	Will never block.	2469	Will never block.
1821		2470
1822	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1823		2472
…		…
1846	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1847		2496
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2498
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1852		2501
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2503	}
1855		2504
1856	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1858		2509
1859	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1860		2511
1861	unless ($map) {	2512	unless ($map) {
1862	# restore original map position	2513	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1879		2530
1880	$map->load;	2531	$map->load;
1881	$map->load_diag;	2532	$map->load_neighbours;
1882		2533
1883	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2536	$self->activate_recursive;
1885		2537
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1888	}	2540	}
1889		2541
1890	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2543
1894	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1898	};	2548	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2549
1904	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1906	if ($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		2552
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1925		2556
1926	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2562
1929	$self->enter_link;	2563	$self->enter_link;
1930		2564
1931	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1932	my $map = eval {	2587	my $map = eval {
1933	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1935	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2603	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1940	})->prio (1);	2611	})->prio (1);
1941	}	2612	}
1942		2613
1943	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1944		2615
…		…
1964	}	2635	}
1965		2636
1966	sub prepare_random_map {	2637	sub prepare_random_map {
1967	my ($exit) = @_;	2638	my ($exit) = @_;
1968		2639
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2642	# that depends on the exit object
1974		2643
1975	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2646	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
1982	}	2653	}
1983		2654
1984	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1985		2656
1986	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1989		2660
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2663	undef $fh;
1993	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
1994		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
1997	}	2672	}
1998	}	2673	}
1999		2674
2000	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2002		2677
2003	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2004		2679
2005	if ($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;	2680	$self->enter_link;
2017		2681
2018	(async {	2682	(async {
2019	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2020	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2021	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2022		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2023	1;	2706	1
2024	}) {	2707	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2712
2030	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2049		2732
2050	utf8::encode $text;	2733	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2735	}
2053		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
2054	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2055		2898
2056	Sends an exti event to the client.	2899	Sends an ext event to the client.
2057		2900
2058	=cut	2901	=cut
2059		2902
2060	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2062		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2065	}	2930	}
2066		2931
2067	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2068		2933
2069	Queues a query to the client, calling the given callback with	2934	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>,	2935	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>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2937
2073	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2939	become reliable at some point in the future.
2075		2940
2076	=cut	2941	=cut
2077		2942
2078	sub cf::client::query {	2943	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2952	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2954
2090	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2092	}	2959	}
2093		2960
2094	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2095	on_reply => sub {	2967	on_reply => sub {
2096	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2097		2969
2098	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2099	# get handled first	2971	# get handled first
…		…
2111	} else {	2983	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2985	}
2114	}	2986	}
2115	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2116	);	3014	);
2117		3015
2118	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2119		3017
2120	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2163		3061
2164	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2165		3063
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2167		3069
2168	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2169		3071
2170	=pod	3072	=pod
2171		3073
2172	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2173		3075
2174	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2175	cf::object::player player	3081	cf::object::player
2176	cf::player peaceful	3082	player
2177	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2178		3089
2179	=cut	3090	=cut
2180		3091
2181	for (	3092	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2186	) {	3099	) {
2187	no strict 'refs';	3100	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2206	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2207		3120
2208	my $qcode = $code;	3121	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2211		3126
2212	local $_;	3127	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2214		3129
2215	my $eval =	3130	my $eval =
…		…
2258	=back	3173	=back
2259		3174
2260	=cut	3175	=cut
2261		3176
2262	#############################################################################	3177	#############################################################################
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	3178	# the server's init and main functions
2336		3179
2337	sub load_facedata {	3180	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3188
2340	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2341		3190
2342	my $facedata;	3191	my $facedata;
2343	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2347		3196
2348	$facedata->{version} == 2	3197	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2351	{	3207	{
2352	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2353		3209
2354	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3217
		3218	cf::cede_to_tick;
2360	}	3219	}
2361		3220
2362	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2364	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2365	or next;	3225	or next;
		3226
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3230	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3232	}
2371	Coro::cede;	3233
		3234	cf::cede_to_tick;
2372	}	3235	}
2373	}	3236	}
2374		3237
2375	{	3238	{
2376	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2377		3240
2378	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3243	cf::cede_to_tick;
2381	}	3244	}
2382		3245
2383	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2384	}	3247	}
2385		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2386	1	3284	1
2387	}	3285	}
2388		3286
2389	our $archetypes_loaded;	3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
2390		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
2391	sub load_archetypes {	3344	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3345	load_resource_file "$DATADIR/archetypes"
2393	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3346	or die "unable to load archetypes\n";
2394	load_archetype_file sprintf "%s/archetypes", cf::datadir
2395	}	3347	}
2396		3348
2397	sub load_treasures {	3349	sub reload_treasures {
2398	load_treasure_file sprintf "%s/treasures", cf::datadir	3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
2399	}	3352	}
2400		3353
2401	sub reload_resources {	3354	sub reload_resources {
2402	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3355	warn "reloading resource files...\n";
2403	or die "unable to load regions file\n";	3356
2404	load_facedata	3357	reload_facedata;
2405	or die "unable to load facedata\n";
2406	load_archetypes	3358	reload_archetypes;
2407	or die "unable to load archetypes\n";	3359	reload_regions;
2408	load_treasures	3360	reload_treasures;
2409	or die "unable to load treasurelists\n";
2410	}
2411		3361
2412	sub init {	3362	warn "finished reloading resource files\n";
2413	reload_resources;
2414	}	3363	}
2415		3364
2416	sub cfg_load {	3365	sub reload_config {
2417	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2418	or return;	3367	or return;
2419		3368
2420	local $/;	3369	local $/;
2421	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2422		3371
2423	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2424		3373
2425	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2426	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2432	};	3381	};
2433	warn $@ if $@;	3382	warn $@ if $@;
2434	}	3383	}
2435	}	3384	}
2436		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2437	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2438	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2439	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2441	(async {	3423	(async {
2442	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2443	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2444	};	3427	};
2445		3428
2446	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2447	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2448	load_extensions;	3447	load_extensions;
2449		3448
2450	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2451	Event::loop;	3457	EV::loop;
2452	}	3458	}
2453		3459
2454	#############################################################################	3460	#############################################################################
2455	# initialisation and cleanup	3461	# initialisation and cleanup
2456		3462
2457	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2458	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2459	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2460	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2461	reentrant => 0,
2462	data => WF_AUTOCANCEL,
2463	signal => $signal,
2464	prio => 0,
2465	cb => sub {
2466	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2467	},
2468	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2469	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2470	}	3557	}
2471		3558
2472	sub emergency_save() {	3559	sub emergency_save() {
2473	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2474		3561
2475	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2476		3563
2477	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2478	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2479	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2480	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2481	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2482	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2483	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2484	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2485	$pl->save;	3578	$pl->save;
2486	}	3579	}
2487	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2488		3581
2489	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2490	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2491	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2492	$map->valid or next;	3585	$map->valid or next;
2493	$map->save;	3586	$map->save;
2494	}	3587	}
2495	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2496		3589
2497	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2498	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2499	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2500	};	3597	};
2501		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2502	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2503	}	3605	}
2504		3606
2505	sub post_cleanup {	3607	sub post_cleanup {
2506	my ($make_core) = @_;	3608	my ($make_core) = @_;
2507		3609
2508	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
2509	if $make_core;	3611	if $make_core;
2510	}
2511		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
		3641	}
		3642
2512	sub reload() {	3643	sub do_reload_perl() {
2513	# can/must only be called in main	3644	# can/must only be called in main
2514	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2515	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2516	return;	3647	return;
2517	}	3648	}
2518		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2519	warn "reloading...";	3655	warn "reloading...";
2520		3656
2521	warn "entering sync_job";	3657	warn "entering sync_job";
2522		3658
2523	cf::sync_job {	3659	cf::sync_job {
2524	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
2525	cf::emergency_save;	3661	cf::emergency_save;
2526	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
2527		3663
2528	warn "syncing database to disk";	3664	warn "syncing database to disk";
2529	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2530		3666
2531	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2532		3668
2533	warn "cancelling all WF_AUTOCANCEL watchers";
2534	for (Event::all_watchers) {
2535	$_->cancel if $_->data & WF_AUTOCANCEL;
2536	}
2537
2538	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2539	for (;;) {
2540	BDB::flush;
2541	IO::AIO::flush;
2542	Coro::cede;
2543	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2544	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2545	}
2546
2547	++$RELOAD;
2548
2549	warn "cancelling all extension coros";
2550	$_->cancel for values %EXT_CORO;
2551	%EXT_CORO = ();
2552
2553	warn "removing commands";
2554	%COMMAND = ();
2555
2556	warn "removing ext commands";
2557	%EXTCMD = ();
2558
2559	warn "unloading/nuking all extensions";
2560	for my $pkg (@EXTS) {
2561	warn "... unloading $pkg";
2562
2563	if (my $cb = $pkg->can ("unload")) {
2564	eval {
2565	$cb->($pkg);
2566	1
2567	} or warn "$pkg unloaded, but with errors: $@";
2568	}	3672	}
2569		3673
2570	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2571	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2572	}	3676	%EXT_CORO = ();
2573		3677
2574	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2575	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2576	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2577		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2578	warn "... unloading $k";	3687	warn "... unloading $pkg";
2579	delete $INC{$k};
2580		3688
2581	$k =~ s/\.pm$//;
2582	$k =~ s/\//::/g;
2583
2584	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2585	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2586	}	3698	}
2587		3699
2588	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2589	}	3715	}
2590		3716
2591	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2592	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2593	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2594		3720
2595	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2596	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
		3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2597		3724
2598	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2599	# and global variables created in xs	3726	# and global variables created in xs
2600	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2601		3728
2602	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2603		3730
2604	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2605	require cf;	3732	require cf;
2606	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2607		3734
2608	warn "loading config and database again";	3735	warn "loading config and database again";
2609	cf::cfg_load;	3736	cf::reload_config;
2610		3737
2611	warn "loading extensions";	3738	warn "loading extensions";
2612	cf::load_extensions;	3739	cf::load_extensions;
2613		3740
		3741	if ($REATTACH_ON_RELOAD) {
2614	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2615	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
2616	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
2617	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
2618	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
2619	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
2620		3749
2621	warn "loading reloadable resources";	3750	warn "running post_init jobs";
2622	reload_resources;	3751	(pop @POST_INIT)->(1) while @POST_INIT;
2623		3752
2624	warn "leaving sync_job";	3753	warn "leaving sync_job";
2625		3754
2626	1	3755	1
2627	} or do {	3756	} or do {
2628	warn $@;	3757	warn $@;
2629	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
2630	exit 1;	3759	};
		3760
		3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
		3767	};
		3768
		3769	our $RELOAD_WATCHER; # used only during reload
		3770
		3771	sub reload_perl() {
		3772	# doing reload synchronously and two reloads happen back-to-back,
		3773	# coro crashes during coro_state_free->destroy here.
		3774
		3775	$RELOAD_WATCHER ||= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
		3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3779	do_reload_perl;
		3780	undef $RELOAD_WATCHER;
		3781	};
2631	};	3782	};
2632		3783	}
2633	warn "reloaded";
2634	};
2635
2636	our $RELOAD_WATCHER; # used only during reload
2637		3784
2638	register_command "reload" => sub {	3785	register_command "reload" => sub {
2639	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2640		3787
2641	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2642	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
2643		3790	async {
2644	# doing reload synchronously and two reloads happen back-to-back,	3791	$Coro::current->{desc} = "perl_reload";
2645	# coro crashes during coro_state_free->destroy here.
2646
2647	$RELOAD_WATCHER ||= Event->timer (
2648	reentrant => 0,
2649	after => 0,
2650	data => WF_AUTOCANCEL,
2651	cb => sub {
2652	reload;	3792	reload_perl;
2653	undef $RELOAD_WATCHER;
2654	},
2655	);	3793	};
2656	}	3794	}
2657	};	3795	};
2658		3796
2659	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2660		3798
…		…
2662		3800
2663	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
2664	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
2665		3803
2666	sub wait_for_tick {	3804	sub wait_for_tick {
2667	return unless $TICK_WATCHER->is_active;
2668	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
2669		3806
2670	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
2671	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
2672	$signal->wait;	3809	$signal->wait;
2673	}	3810	}
2674		3811
2675	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
2676	return unless $TICK_WATCHER->is_active;
2677	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
2678		3814
2679	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
2680	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
2681	$signal->wait;	3817	$signal->wait;
2682	}	3818	}
2683		3819
2684	$TICK_WATCHER = Event->timer (	3820	sub tick {
2685	reentrant => 0,
2686	parked => 1,
2687	prio => 0,
2688	at => $NEXT_TICK || $TICK,
2689	data => WF_AUTOCANCEL,
2690	cb => sub {
2691	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
2692	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2693	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
2694	return;	3824	return;
2695	}	3825	}
2696		3826
2697	$NOW = Event::time;
2698
2699	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2700	$RUNTIME += $TICK;
2701	$NEXT_TICK += $TICK;
2702		3828
2703	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2704	$NEXT_RUNTIME_WRITE = $NOW + 10;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2705	Coro::async_pool {	3831	Coro::async_pool {
		3832	$Coro::current->{desc} = "runtime saver";
2706	write_runtime	3833	write_runtime_sync
2707	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
2708	};
2709	}	3835	};
		3836	}
2710		3837
2711	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2712	$sig->send;	3839	$sig->send;
2713	}	3840	}
2714	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
2715	$sig->send;	3842	$sig->send;
2716	}
2717
2718	# my $AFTER = Event::time;
2719	# warn $AFTER - $NOW;#d#
2720
2721	# if we are delayed by four ticks or more, skip them all
2722	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2723
2724	$TICK_WATCHER->at ($NEXT_TICK);
2725	$TICK_WATCHER->start;
2726	},	3843	}
2727	);	3844
		3845	$LOAD = ($NOW - $TICK_START) / $TICK;
		3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3847
		3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
		3854	}
		3855	}
2728		3856
2729	{	3857	{
2730	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
2731	$BDB_POLL_WATCHER = Event->io (	3859
2732	reentrant => 0,
2733	fd => BDB::poll_fileno,
2734	poll => 'r',
2735	prio => 0,
2736	data => WF_AUTOCANCEL,
2737	cb => \&BDB::poll_cb,
2738	);
2739	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
2740		3861	BDB::max_poll_reqs $TICK * 0.1;
2741	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
2742	my $status;
2743	my $current = $Coro::current;
2744	(
2745	sub {
2746	$status = $!;
2747	$current->ready; undef $current;
2748	},
2749	sub {
2750	Coro::schedule while defined $current;
2751	$! = $status;
2752	},
2753	)
2754	};
2755		3863
2756	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
2757	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2758		3871
2759	cf::sync_job {	3872	cf::sync_job {
2760	eval {	3873	eval {
2761	BDB::db_env_open	3874	BDB::db_env_open
2762	$DB_ENV,	3875	$DB_ENV,
2763	$BDB_ENV_DIR,	3876	$BDBDIR,
2764	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2765	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2766	0666;	3879	0666;
2767		3880
2768	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2769
2770	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2771	$DB_ENV->set_lk_detect;
2772	};	3882	};
2773		3883
2774	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
2775	};	3885	};
2776	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
2777	}	3897	}
2778		3898
2779	{	3899	{
		3900	# configure IO::AIO
		3901
2780	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
2781
2782	undef $Coro::AIO::WATCHER;
2783	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
2784	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
2785	reentrant => 0,
2786	data => WF_AUTOCANCEL,
2787	fd => IO::AIO::poll_fileno,
2788	poll => 'r',
2789	prio => 6,
2790	cb => \&IO::AIO::poll_cb,
2791	);
2792	}	3905	}
		3906
		3907	my $_log_backtrace;
		3908
		3909	sub _log_backtrace {
		3910	my ($msg, @addr) = @_;
		3911
		3912	$msg =~ s/\n//;
		3913
		3914	# limit the # of concurrent backtraces
		3915	if ($_log_backtrace < 2) {
		3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
		3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
		3921	my @bt = fork_call {
		3922	@addr = map { sprintf "%x", $_ } @addr;
		3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3925	or die "addr2line: $!";
		3926
		3927	my @funcs;
		3928	my @res = <$fh>;
		3929	chomp for @res;
		3930	while (@res) {
		3931	my ($func, $line) = splice @res, 0, 2, ();
		3932	push @funcs, "[$func] $line";
		3933	}
		3934
		3935	@funcs
		3936	};
		3937
		3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3940	LOG llevInfo, "[ABT] $_\n" for @bt;
		3941	--$_log_backtrace;
		3942	};
		3943	} else {
		3944	LOG llevInfo, "[ABT] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
		3946	}
		3947	}
		3948
		3949	# load additional modules
		3950	require "cf/$_.pm" for @EXTRA_MODULES;
2793		3951
2794	END { cf::emergency_save }	3952	END { cf::emergency_save }
2795		3953
2796	1	3954	1
2797		3955

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