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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 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 Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
59		93
60	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	95	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
71		109
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	112	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
82		121
83	our %CFG;	122	our %CFG;
84		123
85	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
87		127
88	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
91		131
92	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		134
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
98		144
99	binmode STDOUT;	145	binmode STDOUT;
100	binmode STDERR;	146	binmode STDERR;
101		147
102	# read virtual server time, if available	148	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
107	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
108		156
109	mkdir $_	157	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		159
112	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
155		203
156	The raw value load value from the last tick.	204	The raw value load value from the last tick.
157		205
158	=item %cf::CFG	206	=item %cf::CFG
159		207
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	209	from wherever your confdir points to.
162		210
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		212
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	214	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
		222
169	=back	223	=back
170		224
171	=cut	225	=cut
172		226
173	BEGIN {	227	BEGIN {
…		…
177	$msg .= "\n"	231	$msg .= "\n"
178	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
179		233
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		235
182	utf8::encode $msg;
183	LOG llevError, $msg;	236	LOG llevError, $msg;
184	};	237	};
185	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
186		254
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		262
194	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	264	# within the Safe compartment.
196	for my $pkg (qw(	265	for my $pkg (qw(
197	cf::global cf::attachable	266	cf::global cf::attachable
198	cf::object cf::object::player	267	cf::object cf::object::player
199	cf::client cf::player	268	cf::client cf::player
200	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
201	cf::map cf::party cf::region	271	cf::party cf::region
202	)) {	272	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	274	}
206		275
207	$Event::DIED = sub {	276	$EV::DIED = sub {
208	warn "error in event callback: @_";	277	warn "error in event callback: @_";
209	};	278	};
		279
		280	#############################################################################
210		281
211	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
212		283
213	=over 4	284	=over 4
214		285
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	305	$d
235	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
236	}	307	}
237		308
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
241		310
242	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
243		312
244	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
245		314
246	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
247		316
		317	=cut
		318
		319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		320
		321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
248	=item cf::lock_wait $string	338	=item cf::lock_wait $string
249		339
250	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
251		341
252	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
253		343
254	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
257	returned.	347	returned.
258		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
259	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
261		354
262	=item $locked = cf::lock_active $string	355	=item $locked = cf::lock_active $string
263		356
264	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
265		358
266	=cut	359	=cut
267		360
268	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
269		362
270	sub lock_wait($) {	363	sub lock_wait($) {
271	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	365	}
279		366
280	sub lock_acquire($) {	367	sub lock_acquire($) {
281	my ($key) = @_;	368	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	369	}
293		370
294	sub lock_active($) {	371	sub lock_active($) {
295	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	373	}
299		374
300	sub freeze_mainloop {	375	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
302		377
303	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
305	};	439	}
306	$TICK_WATCHER->stop;	440	};
307	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
308	}	454	}
309		455
310	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
311		457
312	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		463
318	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
319		465
320	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
321		467
322	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
325		472
326	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
329	fast or be very important.	476	fast or be very important.
…		…
332		479
333	sub sync_job(&) {	480	sub sync_job(&) {
334	my ($job) = @_;	481	my ($job) = @_;
335		482
336	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	484	my $time = EV::time;
338		485
339	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
341		488
342	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	490
344	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
345		492
346	my $busy = 1;	493	my $busy = 1;
347	my @res;	494	my @res;
348		495
349	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	498	@res = eval { $job->() };
351	warn $@ if $@;	499	warn $@ if $@;
352	undef $busy;	500	undef $busy;
353	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
354		502
355	while ($busy) {	503	while ($busy) {
356	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
357	}	508	}
		509	}
358		510
359	$time = Event::time - $time;	511	my $time = EV::time - $time;
360		512
361	LOG llevError | logBacktrace, "long sync job\n"
362	if $time > $TICK * 0.5;
363
364	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
365		514
366	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
367	} else {	516	} else {
368	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
369		518
…		…
389	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
390		539
391	$coro	540	$coro
392	}	541	}
393		542
394	sub write_runtime {	543	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		544
397	# first touch the runtime file to show we are still running:	545	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
399		549
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	550	=cut
401	utime undef, undef, $fh;	551
		552	sub fork_call(&@) {
		553	my ($cb, @args) = @_;
		554
		555	# we seemingly have to make a local copy of the whole thing,
		556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
		558
		559	my @res = Coro::Util::fork_eval {
		560	reset_signals;
		561	&$cb
		562	}, @args;
		563
		564	wantarray ? @res : $res[-1]
		565	}
		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
402	}	621	};
		622	cf::cleanup "db_open(db): $@" if $@;
403		623
404	my $guard = cf::lock_acquire "write_runtime";	624	$db
		625	}
405		626
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	627	our $DB;
407	or return;
408		628
409	my $value = $cf::RUNTIME + 90 + 10;	629	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	630	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	631	$DB ||= db_table "db";
		632	};
		633	}
412		634
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	635	sub db_get($$) {
414	and return;	636	my $key = "$_[0]/$_[1]";
415		637
416	# always fsync - this file is important	638	cf::sync_job {
417	aio_fsync $fh	639	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		640
420	# touch it again to show we are up-to-date	641	$! ? ()
421	utime undef, undef, $fh;	642	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
432	}	719	}
433		720
434	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
435		722
436	Log a datalog packet of the given type with the given key-value pairs.	723	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		735
449	#############################################################################	736	#############################################################################
450		737
451	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
452		739
453	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
456		743
457	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	746	Deliantra).
460		747
461	=over 4	748	=over 4
462		749
463	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
464		751
…		…
508	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
509		796
510	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
512		799
513	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
515		802
516	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
517		804
518	=over 4	805	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
628		915
629	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		920
634	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	922	my $pkg = shift @arg;
636		923
637	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
667	}	954	}
668		955
669	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
670	} else {	957	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	959	}
673		960
674	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
675	}	962	}
676		963
…		…
678	if (ref $_[0]) {	965	if (ref $_[0]) {
679	_object_attach @_;	966	_object_attach @_;
680	} else {	967	} else {
681	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
682	}	969	}
		970	_recalc_want;
683	};	971	};
684		972
685	# all those should be optimised	973	# all those should be optimised
686	sub cf::attachable::detach {	974	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
691	reattach ($obj);	979	reattach ($obj);
692	} else {	980	} else {
693	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
694	}	982	}
		983	_recalc_want;
695	};	984	};
696		985
697	sub cf::attachable::attached {	986	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
699		988
…		…
714	";	1003	";
715	die if $@;	1004	die if $@;
716	}	1005	}
717		1006
718	our $override;	1007	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1009
721	sub override {	1010	sub override {
722	$override = 1;	1011	$override = 1;
723	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
724	}	1013	}
725		1014
726	sub do_invoke {	1015	sub do_invoke {
727	my $event = shift;	1016	my $event = shift;
728	my $callbacks = shift;	1017	my $callbacks = shift;
729		1018
730	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
731		1020
732	local $override;	1021	local $override;
733		1022
734	for (@$callbacks) {	1023	for (@$callbacks) {
735	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
744	}	1033	}
745		1034
746	0	1035	0
747	}	1036	}
748		1037
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1039
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1041
753	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
754		1043
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1047
759	=back	1048	=back
760		1049
761	=cut	1050	=cut
762		1051
763	#############################################################################	1052	#############################################################################
764	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
765		1096
766	sub reattach {	1097	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1099	my ($obj) = @_;
769		1100
		1101	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1103
772	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
773		1105
774	@$registry = ();	1106	@$registry = ();
775		1107
…		…
790	cf::attachable->attach (	1122	cf::attachable->attach (
791	prio => -1000000,	1123	prio => -1000000,
792	on_instantiate => sub {	1124	on_instantiate => sub {
793	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
794		1126
795	$data = from_json $data;	1127	$data = decode_json $data;
796		1128
797	for (@$data) {	1129	for (@$data) {
798	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
799		1131
800	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1148	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
818		1150
819	sync_job {	1151	sync_job {
820	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
823		1156
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	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;
		1162	aio_fsync $fh;
		1163	}
828	close $fh;	1164	aio_close $fh;
829		1165
830	if (@$objs) {	1166	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	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;
		1173	aio_fsync $fh;
		1174	}
836	close $fh;	1175	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
838	}	1177	}
839	} else {	1178	} else {
840	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
841	}	1180	}
842		1181
843	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1186	} else {
845	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
846	}	1188	}
847	} else {	1189	} else {
848	aio_unlink $filename;	1190	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
850	}	1192	}
851	}	1193	};
852	}	1194	}
853		1195
854	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
856		1198
…		…
868	or return;	1210	or return;
869		1211
870	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
872	or return;	1214	or return;
		1215
873	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
874	}	1218	}
875		1219
		1220	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
878	return ($data, $av);	1224	($data, $av)
879	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
880		1232
881	#############################################################################	1233	#############################################################################
882	# command handling &c	1234	# command handling &c
883		1235
884	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1250	}
899		1251
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1253
902	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
903		1259
904	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
905	called.	1261	called.
906		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
907	=cut	1274	=cut
908		1275
909	sub register_extcmd {	1276	sub register_extcmd {
910	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
911		1278
912	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
913	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
914		1289
915	cf::player->attach (	1290	cf::player->attach (
916	on_command => sub {	1291	on_command => sub {
917	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
918		1293
…		…
926	cf::override;	1301	cf::override;
927	},	1302	},
928	on_extcmd => sub {	1303	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
930		1305
931	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1307
933	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
939	} else {	1323	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1325	}
942		1326
943	cf::override;	1327	cf::override;
944	},	1328	},
945	);	1329	);
946		1330
		1331	# "readahead" all extensions
947	sub load_extension {	1332	sub cache_extensions {
948	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
949		1334
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1338	}
975	die $@;
976	}	1339	};
977		1340
978	push @EXTS, $pkg;	1341	$grp
979	}	1342	}
980		1343
981	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
982	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1349	next unless -r $path;
984	eval {	1350
985	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
986	1	1407	}
987	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
988	}	1413	};
989	}	1414	}
990		1415
991	#############################################################################	1416	#############################################################################
992		1417
		1418	=back
		1419
993	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
994		1421
995	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
996		1423
997	=cut	1424	=cut
998		1425
999	package cf::player;	1426	package cf::player;
1000		1427
1001	use Coro::AIO;	1428	use Coro::AIO;
1002		1429
1003	=head3 cf::player	1430	=head3 cf::player
1004		1431
1005	=over 4	1432	=over 4
		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
1006		1447
1007	=item cf::player::find $login	1448	=item cf::player::find $login
1008		1449
1009	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1010		1451
…		…
1029		1470
1030	sub exists($) {	1471	sub exists($) {
1031	my ($login) = @_;	1472	my ($login) = @_;
1032		1473
1033	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1035	}	1476	}
1036		1477
1037	sub find($) {	1478	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1480	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1491
1051	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1054	}	1501	}
1055	}	1502	}
1056	}	1503	}
1057		1504
…		…
1066	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1067		1514
1068	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1070		1517
		1518	cf::get_slot 0.01;
		1519
1071	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1072	Coro::cede;	1521	cf::cede_to_tick;
1073	}	1522	}
1074		1523
1075	sub new($) {	1524	sub new($) {
1076	my ($login) = @_;	1525	my ($login) = @_;
1077		1526
…		…
1083	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1084		1533
1085	$self	1534	$self
1086	}	1535	}
1087		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1088	=item $pl->quit_character	1547	=item $pl->quit_character
1089		1548
1090	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1092		1551
…		…
1096	my ($pl) = @_;	1555	my ($pl) = @_;
1097		1556
1098	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1099		1558
1100	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1561
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1107		1568
1108	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1606	or return [];
1146		1607
1147	my @logins;	1608	my @logins;
1148		1609
1149	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1153		1620
1154	utf8::decode $login;	1621	utf8::decode $login;
1155	push @logins, $login;	1622	push @logins, $login;
1156	}	1623	}
1157		1624
…		…
1184	}	1651	}
1185		1652
1186	\@paths	1653	\@paths
1187	}	1654	}
1188		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1189	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1190		1661
1191	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1192		1663
1193	=cut	1664	=cut
1194		1665
1195	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1197		1668
1198	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1670	}
1202		1671
1203	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1204		1673
1205	Sends an ext event to the client.	1674	Sends an ext event to the client.
1206		1675
1207	=cut	1676	=cut
1208		1677
1209	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1211		1680
1212	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1213	}	1682	}
1214		1683
1215	=head3 cf::region	1684	=head3 cf::region
1216		1685
1217	=over 4	1686	=over 4
…		…
1220		1689
1221	package cf::region;	1690	package cf::region;
1222		1691
1223	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1224		1693
1225	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1226		1695
1227	=cut	1696	=cut
1228		1697
1229	sub find_by_path($) {	1698	sub find_by_path($) {
1230	my ($path) = @_;	1699	my ($path) = @_;
1231		1700
1232	my ($match, $specificity);	1701	my ($match, $specificity);
1233		1702
1234	for my $region (list) {	1703	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1238	}	1707	}
1239	}	1708	}
1240		1709
…		…
1261	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1263		1732
1264	sub generate_random_map {	1733	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1266	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1739	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1305		1777
1306	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1307	local $self->{path};	1779	local $self->{path};
1308	local $self->{load_path};	1780	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1781
1312	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1313	}	1783	}
1314		1784
1315	sub normalise {	1785	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1363	return $self;	1833	return $self;
1364	}	1834	}
1365	}	1835	}
1366		1836
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1838	()
1369	}	1839	}
1370		1840
1371	sub init {	1841	sub init {
1372	my ($self) = @_;	1842	my ($self) = @_;
…		…
1394		1864
1395	# the temporary/swap location	1865	# the temporary/swap location
1396	sub save_path {	1866	sub save_path {
1397	my ($self) = @_;	1867	my ($self) = @_;
1398		1868
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1401	}	1871	}
1402		1872
1403	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1404	sub uniq_path {	1874	sub uniq_path {
1405	my ($self) = @_;	1875	my ($self) = @_;
1406		1876
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1409	}	1879	}
1410		1880
1411	# and all this just because we cannot iterate over	1881	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1882	my ($self) = @_;
1415		1883
1416	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1418	}	1887	}
1419		1888
1420	sub unlink_save {	1889	sub unlink_save {
1421	my ($self) = @_;	1890	my ($self) = @_;
1422		1891
…		…
1427		1896
1428	sub load_header_from($) {	1897	sub load_header_from($) {
1429	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1430		1899
1431	utf8::encode $path;	1900	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1437		1909
1438	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1439		1911
1440	1	1912	1
1441	}	1913	}
…		…
1480	$self->load_header_orig	1952	$self->load_header_orig
1481	or return;	1953	or return;
1482	$self->prepare_orig;	1954	$self->prepare_orig;
1483	}	1955	}
1484		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1485	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1961	unless $self->default_region;
1487		1962
1488	1	1963	1
1489	}	1964	}
…		…
1492	sub find {	1967	sub find {
1493	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1494		1969
1495	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1496		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1498		1974
1499	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1502	or return;	1977	or return;
1503		1978
1504	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1505		1980
1506	$map->load_header	1981	$map->load_header
1507	or return;	1982	or return;
1508		1983
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1512	$map->reset;	1989	$map->reset;
1513	undef $guard;
1514	return find $path;	1990	return find $path;
1515	}	1991	}
1516		1992
1517	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1518	}	1994	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1528		2004
1529	my $path = $self->{path};	2005	my $path = $self->{path};
1530		2006
1531	{	2007	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1533		2009
		2010	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2012
1536	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1537		2014
1538	$self->alloc;	2015	$self->alloc;
1539		2016
1540	$self->pre_load;	2017	$self->pre_load;
1541	Coro::cede;	2018	cf::cede_to_tick;
1542		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1544	or return;	2023	or return;
1545		2024
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1547	if delete $self->{load_original};	2026	if delete $self->{load_original};
1548		2027
1549	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2029	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2032	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1554	}	2036	}
1555	}	2037	}
1556		2038
1557	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1558	# now do the right thing for maps	2042	# now do the right thing for maps
1559	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2045	unless $self->difficulty;
1562	Coro::cede;	2046	cf::cede_to_tick;
1563		2047
1564	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2049	$self->decay_objects;
1566	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1567	$self->update_buttons;	2051	$self->update_buttons;
1568	Coro::cede;	2052	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2053	$self->activate;
1572	}	2054	}
1573		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2060	}
1576		2061
1577	$self->post_load;	2062	$self->post_load;
1578	}	2063	}
1579		2064
…		…
1581	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1582		2067
1583	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2069	if $self->per_player;
1585		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1586	$self	2074	$self
1587	}	2075	}
1588		2076
1589	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2078	sub load_neighbours {
1591	my ($map) = @_;	2079	my ($map) = @_;
1592		2080
1593	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1594		2082
1595	for (0 .. 3) {	2083	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1597	or next;	2085	or next;
1598	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1599	or next;	2087	or next;
1600	$neigh->load;	2088	$neigh->load;
1601		2089
		2090	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2093	}
1605		2094
1606	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1608	or next;	2098	or next;
1609	$neigh->load;	2099	$neigh->load;
1610	}	2100	}
1611	}	2101	}
1612		2102
…		…
1617	}	2107	}
1618		2108
1619	sub do_load_sync {	2109	sub do_load_sync {
1620	my ($map) = @_;	2110	my ($map) = @_;
1621		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1622	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1623	}	2116	}
1624		2117
1625	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1627		2120
1628	sub find_async {	2121	sub find_async {
1629	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1630		2123
1631	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1632		2125
1633	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2128	}
1636		2129
1637	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1638	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1639	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2137	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2138	$map->load if $v;
		2139	}
1644		2140
1645	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1646	}	2142	}
1647	}	2143	}
1648	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1649	};	2145	};
1650	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2149	}
1654		2150
1655	sub save {	2151	sub save {
1656	my ($self) = @_;	2152	my ($self) = @_;
1657		2153
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2155
1660	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1661		2157
1662	return unless $self->dirty;	2158	return unless $self->dirty;
1663		2159
…		…
1669	return if $self->{deny_save};	2165	return if $self->{deny_save};
1670		2166
1671	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1672		2168
1673	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1675	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1676		2175
1677	if ($uniq) {	2176	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2179	} else {
…		…
1686	my ($self) = @_;	2185	my ($self) = @_;
1687		2186
1688	# save first because save cedes	2187	# save first because save cedes
1689	$self->save;	2188	$self->save;
1690		2189
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2191
1693	return if $self->players;	2192	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2194	return if $self->{deny_save};
1696		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2200	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2201	}
1700		2202
1701	sub reset_at {	2203	sub reset_at {
1702	my ($self) = @_;	2204	my ($self) = @_;
1703		2205
1704	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1707		2208
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2211
…		…
1721	my ($self) = @_;	2222	my ($self) = @_;
1722		2223
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2225
1725	return if $self->players;	2226	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2227
1728	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1729		2229
1730	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1731		2231
1732	# need to save uniques path	2232	# need to save uniques path
1733	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2237	if $uniq;
1738	}	2238	}
1739		2239
1740	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1741		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2244	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2245
1746	$self->unlink_save;	2246	$self->unlink_save;
1747	$self->destroy;	2247	$self->destroy;
1748	}	2248	}
1749		2249
1750	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1751		2251
1752	sub nuke {	2252	sub nuke {
1753	my ($self) = @_;	2253	my ($self) = @_;
1754		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1755	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1756		2259
1757	$self->unlink_save;	2260	$self->unlink_save;
1758		2261
1759	bless $self, "cf::map";	2262	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2267
1765	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1766		2270
1767	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1768	}	2308	}
1769		2309
1770	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1771		2311
1772	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2313	instantiated unique items. May block.
1774		2314
1775	=cut	2315	=cut
1776		2316
1777	sub unique_maps() {	2317	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2318	[
1779	or return;	2319	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2320	utf8::decode $_;
1785	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2323	? ()
1788	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2326	]
1790
1791	\@paths
1792	}	2327	}
1793
1794	package cf;
1795		2328
1796	=back	2329	=back
1797		2330
1798	=head3 cf::object	2331	=head3 cf::object
1799		2332
…		…
1803		2336
1804	=over 4	2337	=over 4
1805		2338
1806	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1807		2340
1808	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1809		2343
1810	=cut	2344	=cut
1811		2345
1812	sub inv_recursive_;	2346	sub inv_recursive_;
1813	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1816		2350
1817	sub inv_recursive {	2351	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1819	}	2353	}
1820		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1821	package cf;	2383	package cf;
1822		2384
1823	=back	2385	=back
1824		2386
1825	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1834		2396
1835	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1836		2412
1837	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2414	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1842		2418
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2420
1845	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1847	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1850	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1851	}	2446	}
1852		2447
1853	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1854		2449
1855	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1868		2463
1869	=item $player_object->enter_link	2464	=item $player_object->enter_link
1870		2465
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2467
1873	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1875		2472
1876	Will never block.	2473	Will never block.
1877		2474
1878	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1879		2476
…		…
1902	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1903		2500
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2502
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1908		2505
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2507	}
1911		2508
1912	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1914		2513
1915	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1916		2515
1917	unless ($map) {	2516	unless ($map) {
1918	# restore original map position	2517	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1935		2534
1936	$map->load;	2535	$map->load;
1937	$map->load_diag;	2536	$map->load_neighbours;
1938		2537
1939	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1940	$self->activate_recursive;	2540	$self->activate_recursive;
1941		2541
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1944	}	2544	}
1945		2545
1946	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2547
1950	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1954	};	2552	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2553
1960	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1961	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2556
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1981		2560
1982	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
		2563
		2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2566
1985	$self->enter_link;	2567	$self->enter_link;
1986		2568
1987	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
1988	my $map = eval {	2591	my $map = eval {
1989	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
		2596	$map = $check->($map) if $check && $map;
		2597	} else {
		2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600
1991	$map	2601	$map
		2602	};
		2603
		2604	if ($@) {
		2605	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2607	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1996	})->prio (1);	2615	})->prio (1);
1997	}	2616	}
1998		2617
1999	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
2000		2619
…		…
2020	}	2639	}
2021		2640
2022	sub prepare_random_map {	2641	sub prepare_random_map {
2023	my ($exit) = @_;	2642	my ($exit) = @_;
2024		2643
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2646	# that depends on the exit object
2030		2647
2031	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2650	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2038	}	2657	}
2039		2658
2040	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2041		2660
2042	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2045		2664
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2667	undef $fh;
2049	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2050		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2053	}	2676	}
2054	}	2677	}
2055		2678
2056	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2058		2681
2059	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2060		2683
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2684	$self->enter_link;
2073		2685
2074	(async {	2686	(async {
2075	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2076	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2077	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2078		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2079	1;	2710	1
2080	}) {	2711	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2716
2086	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2105		2736
2106	utf8::encode $text;	2737	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2739	}
2109		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
2110	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2111		2902
2112	Sends an exti event to the client.	2903	Sends an ext event to the client.
2113		2904
2114	=cut	2905	=cut
2115		2906
2116	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2118		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
2121	}	2934	}
2122		2935
2123	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2124		2937
2125	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2939	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2941
2129	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2943	become reliable at some point in the future.
2131		2944
2132	=cut	2945	=cut
2133		2946
2134	sub cf::client::query {	2947	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2956	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2958
2146	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2148	}	2963	}
2149		2964
2150	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
2151	on_reply => sub {	2971	on_reply => sub {
2152	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2153		2973
2154	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2155	# get handled first	2975	# get handled first
…		…
2167	} else {	2987	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2989	}
2170	}	2990	}
2171	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
2172	);	3018	);
2173		3019
2174	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2175		3021
2176	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2219		3065
2220	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2221		3067
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2223		3073
2224	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2225		3075
2226	=pod	3076	=pod
2227		3077
2228	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2229		3079
2230	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2231	cf::object::player player	3085	cf::object::player
2232	cf::player peaceful	3086	player
2233	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2234		3093
2235	=cut	3094	=cut
2236		3095
2237	for (	3096	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2239	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2242	) {	3103	) {
2243	no strict 'refs';	3104	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2262	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2263		3124
2264	my $qcode = $code;	3125	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2267		3130
2268	local $_;	3131	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2270		3133
2271	my $eval =	3134	my $eval =
…		…
2314	=back	3177	=back
2315		3178
2316	=cut	3179	=cut
2317		3180
2318	#############################################################################	3181	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3182	# the server's init and main functions
2494		3183
2495	sub load_facedata($) {	3184	sub load_facedata($) {
2496	my ($path) = @_;	3185	my ($path) = @_;
		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3192
2498	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2499		3194
2500	my $facedata;	3195	my $facedata;
2501	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2505		3200
2506	$facedata->{version} == 2	3201	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
2509	{	3211	{
2510	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2511		3213
2512	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3221
		3222	cf::cede_to_tick;
2518	}	3223	}
2519		3224
2520	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2522	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2523	or next;	3229	or next;
		3230
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3234	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3236	}
2529	Coro::cede;	3237
		3238	cf::cede_to_tick;
2530	}	3239	}
2531	}	3240	}
2532		3241
2533	{	3242	{
2534	my $anims = $facedata->{animinfo};	3243	my $anims = $facedata->{animinfo};
2535		3244
2536	while (my ($anim, $info) = each %$anims) {	3245	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3247	cf::cede_to_tick;
2539	}	3248	}
2540		3249
2541	cf::anim::invalidate_all; # d'oh	3250	cf::anim::invalidate_all; # d'oh
2542	}	3251	}
2543		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
2544	1	3288	1
2545	}	3289	}
2546		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
2547	sub reload_regions {	3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
2548	load_resource_file "$MAPDIR/regions"	3334	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3335	or die "unable to load regions file\n";
		3336
		3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
2550	}	3341	}
2551		3342
2552	sub reload_facedata {	3343	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3344	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3345	or die "unable to load facedata\n";
…		…
2565	}	3356	}
2566		3357
2567	sub reload_resources {	3358	sub reload_resources {
2568	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
2569		3360
2570	reload_regions;
2571	reload_facedata;	3361	reload_facedata;
2572	reload_archetypes;	3362	reload_archetypes;
		3363	reload_regions;
2573	reload_treasures;	3364	reload_treasures;
2574		3365
2575	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
2576	}	3367	}
2577		3368
2578	sub init {	3369	sub reload_config {
2579	reload_resources;
2580	}
2581
2582	sub cfg_load {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3371	or return;
2585		3372
2586	local $/;	3373	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2588		3375
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3377
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	};	3385	};
2599	warn $@ if $@;	3386	warn $@ if $@;
2600	}	3387	}
2601	}	3388	}
2602		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2603	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2604	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3436	(async {
2608	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2610	};	3440	};
2611		3441
2612	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2613	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2614	load_extensions;	3460	load_extensions;
2615		3461
2616	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2617	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
2618	}	3471	}
2619		3472
2620	#############################################################################	3473	#############################################################################
2621	# initialisation and cleanup	3474	# initialisation and cleanup
2622		3475
2623	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2624	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2633	},
2634	);	3482	};
		3483	}
		3484	}
		3485
		3486	sub write_runtime_sync {
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2635	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
2636	}	3570	}
2637		3571
2638	sub emergency_save() {	3572	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2640		3574
2641	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2642		3576
2643	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
2644	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3591	$pl->save;
2652	}	3592	}
2653	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2654		3594
2655	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3598	$map->valid or next;
2659	$map->save;	3599	$map->save;
2660	}	3600	}
2661	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2662		3602
2663	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
2666	};	3610	};
2667		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
2668	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2669	}	3618	}
2670		3619
2671	sub post_cleanup {	3620	sub post_cleanup {
2672	my ($make_core) = @_;	3621	my ($make_core) = @_;
2673		3622
2674	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
2676	}	3654	}
2677		3655
2678	sub do_reload_perl() {	3656	sub do_reload_perl() {
2679	# can/must only be called in main	3657	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2682	return;	3660	return;
2683	}	3661	}
2684		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2685	warn "reloading...";	3668	warn "reloading...";
2686		3669
2687	warn "entering sync_job";	3670	warn "entering sync_job";
2688		3671
2689	cf::sync_job {	3672	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3674	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2693		3676
2694	warn "syncing database to disk";	3677	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3679
2697	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
2698		3681
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();
2718
2719	warn "removing commands";
2720	%COMMAND = ();
2721
2722	warn "removing ext commands";
2723	%EXTCMD = ();
2724
2725	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";
2728
2729	if (my $cb = $pkg->can ("unload")) {
2730	eval {
2731	$cb->($pkg);
2732	1
2733	} or warn "$pkg unloaded, but with errors: $@";
2734	}	3685	}
2735		3686
2736	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
2738	}	3689	%EXT_CORO = ();
2739		3690
2740	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3700	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3701
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2751	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2752	}	3711	}
2753		3712
2754	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
2755	}	3728	}
2756		3729
2757	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		3733
2761	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		3737
2765	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3739	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2768		3741
2769	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
2770		3743
2771	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2772	require cf;	3745	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3747
2775	warn "loading config and database again";	3748	warn "loading config and database again";
2776	cf::cfg_load;	3749	cf::reload_config;
2777		3750
2778	warn "loading extensions";	3751	warn "loading extensions";
2779	cf::load_extensions;	3752	cf::load_extensions;
2780		3753
		3754	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
2787		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
2788	warn "leaving sync_job";	3766	warn "leaving sync_job";
2789		3767
2790	1	3768	1
2791	} or do {	3769	} or do {
2792	warn $@;	3770	warn $@;
2793	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3772	};
2796		3773
2797	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
2798	};	3780	};
2799		3781
2800	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
2801		3783
2802	sub reload_perl() {	3784	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
2805		3787
2806	$RELOAD_WATCHER ||= Event->timer (	3788	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	3789	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	3790
2809	data => WF_AUTOCANCEL,	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	3792	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
2813	},	3794	};
2814	);	3795	};
2815	}	3796	}
2816		3797
2817	register_command "reload" => sub {	3798	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2819		3800
2820	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3805	reload_perl;
		3806	};
2823	}	3807	}
2824	};	3808	};
2825		3809
2826	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2827		3811
…		…
2829		3813
2830	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
2832		3816
2833	sub wait_for_tick {	3817	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3819
2837	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3822	$signal->wait;
2840	}	3823	}
2841		3824
2842	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3827
2846	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3830	$signal->wait;
2849	}	3831	}
2850		3832
2851	$TICK_WATCHER = Event->timer (	3833	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
2861	return;	3837	return;
2862	}	3838	}
2863		3839
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2867		3841
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3844	Coro::async_pool {
		3845	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3846	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3848	};
		3849	}
2878		3850
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3852	$sig->send;
2884	}	3853	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3855	$sig->send;
2887	}	3856	}
2888		3857
2889	$NOW = Event::time;	3858	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3860
2900	_post_tick;	3861	if (0) {
2901		3862	if ($NEXT_TICK) {
2902		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
2903	},	3867	}
2904	);	3868	}
2905		3869
2906	{	3870	{
2907	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3872
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
2917		3874	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		3876
2933	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3884
2936	cf::sync_job {	3885	cf::sync_job {
2937	eval {	3886	eval {
2938	BDB::db_env_open	3887	BDB::db_env_open
2939	$DB_ENV,	3888	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3892	0666;
2944		3893
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3895	};
2950		3896
2951	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3898	};
2953	}	3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
2954	}	3910	}
2955		3911
2956	{	3912	{
		3913	# configure IO::AIO
		3914
2957	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	3918	}
2970		3919
2971	my $_log_backtrace;	3920	my $_log_backtrace;
2972		3921
2973	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
2977		3926
2978	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
2981	async {	3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
2982	my @bt = fork_call {	3934	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3938	or die "addr2line: $!";
…		…
2994	}	3946	}
2995		3947
2996	@funcs	3948	@funcs
2997	};	3949	};
2998		3950
2999	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	3954	--$_log_backtrace;
3002	};	3955	};
3003	} else {	3956	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3006	}	3959	}
3007	}	3960	}
3008		3961
3009	# load additional modules	3962	# load additional modules
3010	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3011		3964
3012	END { cf::emergency_save }	3965	END { cf::emergency_save }
3013		3966
3014	1	3967	1
3015		3968

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