ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 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
40	$Event::Eval = 1; # no idea why this is required, but it is
41
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		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		140
99	binmode STDOUT;	141	binmode STDOUT;
100	binmode STDERR;	142	binmode STDERR;
101		143
102	# read virtual server time, if available	144	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
107	}	149	}
108		150
109	mkdir $_	151	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		197
156	The raw value load value from the last tick.	198	The raw value load value from the last tick.
157		199
158	=item %cf::CFG	200	=item %cf::CFG
159		201
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	203	from wherever your confdir points to.
162		204
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		206
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	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	208	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.	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
		216
169	=back	217	=back
170		218
171	=cut	219	=cut
172		220
173	BEGIN {	221	BEGIN {
…		…
177	$msg .= "\n"	225	$msg .= "\n"
178	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
179		227
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		229
182	utf8::encode $msg;
183	LOG llevError, $msg;	230	LOG llevError, $msg;
184	};	231	};
185	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
186		248
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	253	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		254	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	255	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		256
194	# we bless all objects into (empty) derived classes to force a method lookup	257	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	258	# within the Safe compartment.
196	for my $pkg (qw(	259	for my $pkg (qw(
197	cf::global cf::attachable	260	cf::global cf::attachable
198	cf::object cf::object::player	261	cf::object cf::object::player
199	cf::client cf::player	262	cf::client cf::player
200	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
201	cf::map cf::party cf::region	265	cf::party cf::region
202	)) {	266	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	268	}
206		269
207	$Event::DIED = sub {	270	$EV::DIED = sub {
208	warn "error in event callback: @_";	271	warn "error in event callback: @_";
209	};	272	};
		273
		274	#############################################################################
210		275
211	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
212		277
213	=over 4	278	=over 4
214		279
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	299	$d
235	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
236	}	301	}
237		302
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
241		304
242	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
243		306
244	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
245		308
246	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
247		310
		311	=cut
		312
		313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		314
		315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
248	=item cf::lock_wait $string	332	=item cf::lock_wait $string
249		333
250	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
251		335
252	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
253		337
254	Wait until the given lock is available and then acquires it and returns	338	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,	339	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	340	for example when the coroutine gets canceled), the lock is automatically
257	returned.	341	returned.
258		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
259	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
261		348
262	=item $locked = cf::lock_active $string	349	=item $locked = cf::lock_active $string
263		350
264	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
265		352
266	=cut	353	=cut
267		354
268	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
269		356
270	sub lock_wait($) {	357	sub lock_wait($) {
271	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	359	}
279		360
280	sub lock_acquire($) {	361	sub lock_acquire($) {
281	my ($key) = @_;	362	$LOCKS->guard ($_[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	}	363	}
293		364
294	sub lock_active($) {	365	sub lock_active($) {
295	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	367	}
299		368
300	sub freeze_mainloop {	369	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
302		371
303	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	373	}
		374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
305	};	433	}
306	$TICK_WATCHER->stop;	434	};
307	$guard	435
		436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
308	}	448	}
309		449
310	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
311		451
312	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		457
318	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
319		459
320	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
321		461
322	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
325		466
326	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
329	fast or be very important.	470	fast or be very important.
…		…
332		473
333	sub sync_job(&) {	474	sub sync_job(&) {
334	my ($job) = @_;	475	my ($job) = @_;
335		476
336	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	478	my $time = EV::time;
338		479
339	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
341		482
342	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	484
344	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
345		486
346	my $busy = 1;	487	my $busy = 1;
347	my @res;	488	my @res;
348		489
349	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	492	@res = eval { $job->() };
351	warn $@ if $@;	493	warn $@ if $@;
352	undef $busy;	494	undef $busy;
353	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
354		496
355	while ($busy) {	497	while ($busy) {
356	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
357	}	502	}
		503	}
358		504
359	$time = Event::time - $time;	505	my $time = EV::time - $time;
360		506
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	507	$TICK_START += $time; # do not account sync jobs to server load
365		508
366	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
367	} else {	510	} else {
368	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
369		512
…		…
389	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
390		533
391	$coro	534	$coro
392	}	535	}
393		536
394	sub write_runtime {	537	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		538
397	# first touch the runtime file to show we are still running:	539	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
399		543
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	544	=cut
401	utime undef, undef, $fh;	545
		546	sub fork_call(&@) {
		547	my ($cb, @args) = @_;
		548
		549	# we seemingly have to make a local copy of the whole thing,
		550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
		552
		553	my @res = Coro::Util::fork_eval {
		554	reset_signals;
		555	&$cb
		556	}, @args;
		557
		558	wantarray ? @res : $res[-1]
		559	}
		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
		588	=item $value = cf::db_get $family => $key
		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
402	}	615	};
		616	cf::cleanup "db_open(db): $@" if $@;
403		617
404	my $guard = cf::lock_acquire "write_runtime";	618	$db
		619	}
405		620
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	621	our $DB;
407	or return;
408		622
409	my $value = $cf::RUNTIME + 90 + 10;	623	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	624	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	625	$DB ||= db_table "db";
		626	};
		627	}
412		628
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	629	sub db_get($$) {
414	and return;	630	my $key = "$_[0]/$_[1]";
415		631
416	# always fsync - this file is important	632	cf::sync_job {
417	aio_fsync $fh	633	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		634
420	# touch it again to show we are up-to-date	635	$! ? ()
421	utime undef, undef, $fh;	636	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
432	}	713	}
433		714
434	=item cf::datalog type => key => value, ...	715	=item cf::datalog type => key => value, ...
435		716
436	Log a datalog packet of the given type with the given key-value pairs.	717	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		729
449	#############################################################################	730	#############################################################################
450		731
451	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
452		733
453	Many objects in crossfire are so-called attachable objects. That means you can	734	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")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
456		737
457	In the following description, CLASS can be any of C<global>, C<object>	738	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	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	740	Deliantra).
460		741
461	=over 4	742	=over 4
462		743
463	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
464		745
…		…
508	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
509		790
510	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
512		793
513	Some classes such as crossfire maps and objects can specify attachments	794	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.	795	that are attached at load/instantiate time, thus the need for a name.
515		796
516	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
517		798
518	=over 4	799	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
628		909
629	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		914
634	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	916	my $pkg = shift @arg;
636		917
637	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
667	}	948	}
668		949
669	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
670	} else {	951	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	953	}
673		954
674	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
675	}	956	}
676		957
…		…
678	if (ref $_[0]) {	959	if (ref $_[0]) {
679	_object_attach @_;	960	_object_attach @_;
680	} else {	961	} else {
681	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
682	}	963	}
		964	_recalc_want;
683	};	965	};
684		966
685	# all those should be optimised	967	# all those should be optimised
686	sub cf::attachable::detach {	968	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
691	reattach ($obj);	973	reattach ($obj);
692	} else {	974	} else {
693	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
694	}	976	}
		977	_recalc_want;
695	};	978	};
696		979
697	sub cf::attachable::attached {	980	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
699		982
…		…
714	";	997	";
715	die if $@;	998	die if $@;
716	}	999	}
717		1000
718	our $override;	1001	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1003
721	sub override {	1004	sub override {
722	$override = 1;	1005	$override = 1;
723	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
724	}	1007	}
725		1008
726	sub do_invoke {	1009	sub do_invoke {
727	my $event = shift;	1010	my $event = shift;
728	my $callbacks = shift;	1011	my $callbacks = shift;
729		1012
730	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
731		1014
732	local $override;	1015	local $override;
733		1016
734	for (@$callbacks) {	1017	for (@$callbacks) {
735	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
744	}	1027	}
745		1028
746	0	1029	0
747	}	1030	}
748		1031
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1033
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1035
753	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
754		1037
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	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	1039	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1041
759	=back	1042	=back
760		1043
761	=cut	1044	=cut
762		1045
763	#############################################################################	1046	#############################################################################
764	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
765		1090
766	sub reattach {	1091	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1093	my ($obj) = @_;
769		1094
		1095	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1097
772	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
773		1099
774	@$registry = ();	1100	@$registry = ();
775		1101
…		…
790	cf::attachable->attach (	1116	cf::attachable->attach (
791	prio => -1000000,	1117	prio => -1000000,
792	on_instantiate => sub {	1118	on_instantiate => sub {
793	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
794		1120
795	$data = from_json $data;	1121	$data = decode_json $data;
796		1122
797	for (@$data) {	1123	for (@$data) {
798	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
799		1125
800	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1142	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
818		1144
819	sync_job {	1145	sync_job {
820	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
823		1150
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1155	aio_close $fh;
829		1156
830	if (@$objs) {	1157	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1163	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
838	}	1165	}
839	} else {	1166	} else {
840	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
841	}	1168	}
842		1169
843	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1174	} else {
845	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
846	}	1176	}
847	} else {	1177	} else {
848	aio_unlink $filename;	1178	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
850	}	1180	}
851	}	1181	};
852	}	1182	}
853		1183
854	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
856		1186
…		…
868	or return;	1198	or return;
869		1199
870	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
872	or return;	1202	or return;
		1203
873	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
874	}	1206	}
875		1207
		1208	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
878	return ($data, $av);	1212	($data, $av)
879	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
880		1220
881	#############################################################################	1221	#############################################################################
882	# command handling &c	1222	# command handling &c
883		1223
884	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1238	}
899		1239
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1241
902	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
903		1247
904	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
905	called.	1249	called.
906		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
907	=cut	1262	=cut
908		1263
909	sub register_extcmd {	1264	sub register_extcmd {
910	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
911		1266
912	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
913	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
914		1277
915	cf::player->attach (	1278	cf::player->attach (
916	on_command => sub {	1279	on_command => sub {
917	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
918		1281
…		…
926	cf::override;	1289	cf::override;
927	},	1290	},
928	on_extcmd => sub {	1291	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
930		1293
931	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1295
933	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
939	} else {	1311	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1313	}
942		1314
943	cf::override;	1315	cf::override;
944	},	1316	},
945	);	1317	);
946		1318
		1319	# "readahead" all extensions
947	sub load_extension {	1320	sub cache_extensions {
948	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
949		1322
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
951	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1325	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	}	1326	}
975	die $@;
976	}	1327	};
977		1328
978	push @EXTS, $pkg;	1329	$grp
979	}	1330	}
980		1331
981	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
982	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1337	next unless -r $path;
984	eval {	1338
985	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
986	1	1395	}
987	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
988	}	1401	};
989	}	1402	}
990		1403
991	#############################################################################	1404	#############################################################################
992		1405
		1406	=back
		1407
993	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
994		1409
995	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
996		1411
997	=cut	1412	=cut
998		1413
999	package cf::player;	1414	package cf::player;
1000		1415
1001	use Coro::AIO;	1416	use Coro::AIO;
1002		1417
1003	=head3 cf::player	1418	=head3 cf::player
1004		1419
1005	=over 4	1420	=over 4
		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
1006		1435
1007	=item cf::player::find $login	1436	=item cf::player::find $login
1008		1437
1009	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
1010		1439
…		…
1029		1458
1030	sub exists($) {	1459	sub exists($) {
1031	my ($login) = @_;	1460	my ($login) = @_;
1032		1461
1033	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1035	}	1464	}
1036		1465
1037	sub find($) {	1466	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1468	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1479
1051	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1054	}	1489	}
1055	}	1490	}
1056	}	1491	}
1057		1492
…		…
1066	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1067		1502
1068	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1070		1505
		1506	cf::get_slot 0.01;
		1507
1071	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1072	Coro::cede;	1509	cf::cede_to_tick;
1073	}	1510	}
1074		1511
1075	sub new($) {	1512	sub new($) {
1076	my ($login) = @_;	1513	my ($login) = @_;
1077		1514
…		…
1083	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1084		1521
1085	$self	1522	$self
1086	}	1523	}
1087		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1088	=item $pl->quit_character	1535	=item $pl->quit_character
1089		1536
1090	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1092		1539
…		…
1096	my ($pl) = @_;	1543	my ($pl) = @_;
1097		1544
1098	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1099		1546
1100	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1549
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1107		1556
1108	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1594	or return [];
1146		1595
1147	my @logins;	1596	my @logins;
1148		1597
1149	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1153		1608
1154	utf8::decode $login;	1609	utf8::decode $login;
1155	push @logins, $login;	1610	push @logins, $login;
1156	}	1611	}
1157		1612
…		…
1184	}	1639	}
1185		1640
1186	\@paths	1641	\@paths
1187	}	1642	}
1188		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1189	=item $player->ext_reply ($msgid, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1190		1649
1191	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1192		1651
1193	=cut	1652	=cut
1194		1653
1195	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1197		1656
1198	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1658	}
1202		1659
1203	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1204		1661
1205	Sends an ext event to the client.	1662	Sends an ext event to the client.
1206		1663
1207	=cut	1664	=cut
1208		1665
1209	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1211		1668
1212	$self->ns->ext_event ($type, %msg);	1669	$self->ns->ext_msg ($type, @msg);
1213	}	1670	}
1214		1671
1215	=head3 cf::region	1672	=head3 cf::region
1216		1673
1217	=over 4	1674	=over 4
…		…
1220		1677
1221	package cf::region;	1678	package cf::region;
1222		1679
1223	=item cf::region::find_by_path $path	1680	=item cf::region::find_by_path $path
1224		1681
1225	Tries to decuce the probable region for a map knowing only its path.	1682	Tries to decuce the likely region for a map knowing only its path.
1226		1683
1227	=cut	1684	=cut
1228		1685
1229	sub find_by_path($) {	1686	sub find_by_path($) {
1230	my ($path) = @_;	1687	my ($path) = @_;
1231		1688
1232	my ($match, $specificity);	1689	my ($match, $specificity);
1233		1690
1234	for my $region (list) {	1691	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1692	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1693	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1694	if $region->specificity > $specificity;
1238	}	1695	}
1239	}	1696	}
1240		1697
…		…
1261	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1263		1720
1264	sub generate_random_map {	1721	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1266	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1727	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1305		1765
1306	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1307	local $self->{path};	1767	local $self->{path};
1308	local $self->{load_path};	1768	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1769
1312	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1313	}	1771	}
1314		1772
1315	sub normalise {	1773	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1363	return $self;	1821	return $self;
1364	}	1822	}
1365	}	1823	}
1366		1824
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1826	()
1369	}	1827	}
1370		1828
1371	sub init {	1829	sub init {
1372	my ($self) = @_;	1830	my ($self) = @_;
…		…
1394		1852
1395	# the temporary/swap location	1853	# the temporary/swap location
1396	sub save_path {	1854	sub save_path {
1397	my ($self) = @_;	1855	my ($self) = @_;
1398		1856
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1401	}	1859	}
1402		1860
1403	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1404	sub uniq_path {	1862	sub uniq_path {
1405	my ($self) = @_;	1863	my ($self) = @_;
1406		1864
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1409	}	1867	}
1410		1868
1411	# and all this just because we cannot iterate over	1869	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1870	my ($self) = @_;
1415		1871
1416	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1418	}	1875	}
1419		1876
1420	sub unlink_save {	1877	sub unlink_save {
1421	my ($self) = @_;	1878	my ($self) = @_;
1422		1879
…		…
1427		1884
1428	sub load_header_from($) {	1885	sub load_header_from($) {
1429	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1430		1887
1431	utf8::encode $path;	1888	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1437		1897
1438	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1439		1899
1440	1	1900	1
1441	}	1901	}
…		…
1480	$self->load_header_orig	1940	$self->load_header_orig
1481	or return;	1941	or return;
1482	$self->prepare_orig;	1942	$self->prepare_orig;
1483	}	1943	}
1484		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
1485	$self->default_region (cf::region::find_by_path $self->{path})	1948	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1949	unless $self->default_region;
1487		1950
1488	1	1951	1
1489	}	1952	}
…		…
1492	sub find {	1955	sub find {
1493	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1494		1957
1495	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1496		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1498		1962
1499	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1502	or return;	1965	or return;
1503		1966
1504	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1505		1968
1506	$map->load_header	1969	$map->load_header
1507	or return;	1970	or return;
1508		1971
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1512	$map->reset;	1977	$map->reset;
1513	undef $guard;
1514	return find $path;	1978	return find $path;
1515	}	1979	}
1516		1980
1517	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1518	}	1982	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1528		1992
1529	my $path = $self->{path};	1993	my $path = $self->{path};
1530		1994
1531	{	1995	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1533		1997
		1998	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2000
1536	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1537		2002
1538	$self->alloc;	2003	$self->alloc;
1539		2004
1540	$self->pre_load;	2005	$self->pre_load;
1541	Coro::cede;	2006	cf::cede_to_tick;
1542		2007
		2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2010	$self->_load_objects ($f)
1544	or return;	2011	or return;
1545		2012
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1547	if delete $self->{load_original};	2014	if delete $self->{load_original};
1548		2015
1549	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2017	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2020	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1554	}	2024	}
1555	}	2025	}
1556		2026
1557	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1558	# now do the right thing for maps	2030	# now do the right thing for maps
1559	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2033	unless $self->difficulty;
1562	Coro::cede;	2034	cf::cede_to_tick;
1563		2035
1564	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2037	$self->decay_objects;
1566	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1567	$self->update_buttons;	2039	$self->update_buttons;
1568	Coro::cede;	2040	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2041	$self->activate;
1572	}	2042	}
1573		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2048	}
1576		2049
1577	$self->post_load;	2050	$self->post_load;
1578	}	2051	}
1579		2052
…		…
1581	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1582		2055
1583	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2057	if $self->per_player;
1585		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1586	$self	2062	$self
1587	}	2063	}
1588		2064
1589	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2066	sub load_neighbours {
1591	my ($map) = @_;	2067	my ($map) = @_;
1592		2068
1593	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1594		2070
1595	for (0 .. 3) {	2071	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1597	or next;	2073	or next;
1598	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1599	or next;	2075	or next;
1600	$neigh->load;	2076	$neigh->load;
1601		2077
		2078	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2081	}
1605		2082
1606	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1608	or next;	2086	or next;
1609	$neigh->load;	2087	$neigh->load;
1610	}	2088	}
1611	}	2089	}
1612		2090
…		…
1617	}	2095	}
1618		2096
1619	sub do_load_sync {	2097	sub do_load_sync {
1620	my ($map) = @_;	2098	my ($map) = @_;
1621		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1622	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1623	}	2104	}
1624		2105
1625	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1627		2108
1628	sub find_async {	2109	sub find_async {
1629	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1630		2111
1631	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1632		2113
1633	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2116	}
1636		2117
1637	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1638	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1639	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2125	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2126	$map->load if $v;
		2127	}
1644		2128
1645	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1646	}	2130	}
1647	}	2131	}
1648	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1649	};	2133	};
1650	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2137	}
1654		2138
1655	sub save {	2139	sub save {
1656	my ($self) = @_;	2140	my ($self) = @_;
1657		2141
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2143
1660	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1661		2145
1662	return unless $self->dirty;	2146	return unless $self->dirty;
1663		2147
…		…
1669	return if $self->{deny_save};	2153	return if $self->{deny_save};
1670		2154
1671	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1672		2156
1673	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1675	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1676		2163
1677	if ($uniq) {	2164	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2167	} else {
…		…
1686	my ($self) = @_;	2173	my ($self) = @_;
1687		2174
1688	# save first because save cedes	2175	# save first because save cedes
1689	$self->save;	2176	$self->save;
1690		2177
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2179
1693	return if $self->players;	2180	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2182	return if $self->{deny_save};
1696		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2188	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2189	}
1700		2190
1701	sub reset_at {	2191	sub reset_at {
1702	my ($self) = @_;	2192	my ($self) = @_;
1703		2193
1704	# TODO: safety, remove and allow resettable per-player maps	2194	# 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};	2195	return 1e99 if $self->{deny_reset};
1707		2196
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2199
…		…
1721	my ($self) = @_;	2210	my ($self) = @_;
1722		2211
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2213
1725	return if $self->players;	2214	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2215
1728	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1729		2217
1730	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1731		2219
1732	# need to save uniques path	2220	# need to save uniques path
1733	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2225	if $uniq;
1738	}	2226	}
1739		2227
1740	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1741		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2232	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2233
1746	$self->unlink_save;	2234	$self->unlink_save;
1747	$self->destroy;	2235	$self->destroy;
1748	}	2236	}
1749		2237
1750	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1751		2239
1752	sub nuke {	2240	sub nuke {
1753	my ($self) = @_;	2241	my ($self) = @_;
1754		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1755	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1756		2247
1757	$self->unlink_save;	2248	$self->unlink_save;
1758		2249
1759	bless $self, "cf::map";	2250	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2255
1765	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1766		2258
1767	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1768	}	2296	}
1769		2297
1770	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1771		2299
1772	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2301	instantiated unique items. May block.
1774		2302
1775	=cut	2303	=cut
1776		2304
1777	sub unique_maps() {	2305	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2306	[
1779	or return;	2307	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2308	utf8::decode $_;
1785	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2311	? ()
1788	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2314	]
1790
1791	\@paths
1792	}	2315	}
1793
1794	package cf;
1795		2316
1796	=back	2317	=back
1797		2318
1798	=head3 cf::object	2319	=head3 cf::object
1799		2320
…		…
1803		2324
1804	=over 4	2325	=over 4
1805		2326
1806	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1807		2328
1808	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1809		2331
1810	=cut	2332	=cut
1811		2333
1812	sub inv_recursive_;	2334	sub inv_recursive_;
1813	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1816		2338
1817	sub inv_recursive {	2339	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1819	}	2341	}
1820		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1821	package cf;	2371	package cf;
1822		2372
1823	=back	2373	=back
1824		2374
1825	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	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	2382	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1834		2384
1835	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1836		2400
1837	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2402	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1842		2406
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2408
1845	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1847	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1850	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1851	}	2434	}
1852		2435
1853	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1854		2437
1855	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1868		2451
1869	=item $player_object->enter_link	2452	=item $player_object->enter_link
1870		2453
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2455
1873	The player should be reasonably safe there for short amounts of time. You	2456	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.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1875		2460
1876	Will never block.	2461	Will never block.
1877		2462
1878	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1879		2464
…		…
1902	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1903		2488
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2490
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1908		2493
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2495	}
1911		2496
1912	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1914		2501
1915	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1916		2503
1917	unless ($map) {	2504	unless ($map) {
1918	# restore original map position	2505	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1935		2522
1936	$map->load;	2523	$map->load;
1937	$map->load_diag;	2524	$map->load_neighbours;
1938		2525
1939	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1940	$self->activate_recursive;	2528	$self->activate_recursive;
1941		2529
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1944	}	2532	}
1945		2533
1946	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2535
1950	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1954	};	2540	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2541
1960	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1961	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1962	if ($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		2544
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1981		2548
1982	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2554
1985	$self->enter_link;	2555	$self->enter_link;
1986		2556
1987	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1988	my $map = eval {	2579	my $map = eval {
1989	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1991	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2595	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1996	})->prio (1);	2603	})->prio (1);
1997	}	2604	}
1998		2605
1999	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
2000		2607
…		…
2020	}	2627	}
2021		2628
2022	sub prepare_random_map {	2629	sub prepare_random_map {
2023	my ($exit) = @_;	2630	my ($exit) = @_;
2024		2631
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2634	# that depends on the exit object
2030		2635
2031	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2638	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2038	}	2645	}
2039		2646
2040	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2041		2648
2042	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2045		2652
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2655	undef $fh;
2049	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2050		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2053	}	2664	}
2054	}	2665	}
2055		2666
2056	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2058		2669
2059	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2060		2671
2061	if ($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;	2672	$self->enter_link;
2073		2673
2074	(async {	2674	(async {
2075	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2076	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2077	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2078		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2079	1;	2698	1
2080	}) {	2699	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2704
2086	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2105		2724
2106	utf8::encode $text;	2725	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2727	}
2109		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
2110	=item $client->ext_event ($type, %msg)	2877	=item $client->ext_msg ($type, @msg)
2111		2878
2112	Sends an exti event to the client.	2879	Sends an ext event to the client.
2113		2880
2114	=cut	2881	=cut
2115		2882
2116	sub cf::client::ext_event($$%) {	2883	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2884	my ($self, $type, @msg) = @_;
2118		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2889	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
2121	}	2910	}
2122		2911
2123	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2124		2913
2125	Queues a query to the client, calling the given callback with	2914	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>,	2915	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>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2917
2129	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2919	become reliable at some point in the future.
2131		2920
2132	=cut	2921	=cut
2133		2922
2134	sub cf::client::query {	2923	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2932	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2934
2146	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2148	}	2939	}
2149		2940
2150	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
2151	on_reply => sub {	2947	on_reply => sub {
2152	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2153		2949
2154	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2155	# get handled first	2951	# get handled first
…		…
2167	} else {	2963	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2965	}
2170	}	2966	}
2171	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
2172	);	2994	);
2173		2995
2174	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2175		2997
2176	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2219		3041
2220	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2221		3043
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2223		3049
2224	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2225		3051
2226	=pod	3052	=pod
2227		3053
2228	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2229		3055
2230	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2231	cf::object::player player	3061	cf::object::player
2232	cf::player peaceful	3062	player
2233	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2234		3069
2235	=cut	3070	=cut
2236		3071
2237	for (	3072	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2239	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2242	) {	3079	) {
2243	no strict 'refs';	3080	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2262	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2263		3100
2264	my $qcode = $code;	3101	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2267		3106
2268	local $_;	3107	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2270		3109
2271	my $eval =	3110	my $eval =
…		…
2314	=back	3153	=back
2315		3154
2316	=cut	3155	=cut
2317		3156
2318	#############################################################################	3157	#############################################################################
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 $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3158	# the server's init and main functions
2494		3159
2495	sub load_facedata($) {	3160	sub load_facedata($) {
2496	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3168
2498	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2499		3170
2500	my $facedata;	3171	my $facedata;
2501	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2505		3176
2506	$facedata->{version} == 2	3177	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2509	{	3187	{
2510	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2511		3189
2512	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3197
		3198	cf::cede_to_tick;
2518	}	3199	}
2519		3200
2520	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2522	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2523	or next;	3205	or next;
		3206
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3210	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3212	}
2529	Coro::cede;	3213
		3214	cf::cede_to_tick;
2530	}	3215	}
2531	}	3216	}
2532		3217
2533	{	3218	{
2534	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2535		3220
2536	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3223	cf::cede_to_tick;
2539	}	3224	}
2540		3225
2541	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2542	}	3227	}
2543		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2544	1	3264	1
2545	}	3265	}
2546		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2547	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2548	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2550	}	3317	}
2551		3318
2552	sub reload_facedata {	3319	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2565	}	3332	}
2566		3333
2567	sub reload_resources {	3334	sub reload_resources {
2568	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2569		3336
2570	reload_regions;
2571	reload_facedata;	3337	reload_facedata;
2572	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2573	reload_treasures;	3340	reload_treasures;
2574		3341
2575	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2576	}	3343	}
2577		3344
2578	sub init {	3345	sub reload_config {
2579	reload_resources;
2580	}
2581
2582	sub cfg_load {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3347	or return;
2585		3348
2586	local $/;	3349	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2588		3351
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3353
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$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};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	};	3361	};
2599	warn $@ if $@;	3362	warn $@ if $@;
2600	}	3363	}
2601	}	3364	}
2602		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2603	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2604	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3403	(async {
2608	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2610	};	3407	};
2611		3408
2612	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2613	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2614	load_extensions;	3427	load_extensions;
2615		3428
2616	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2617	Event::loop;	3437	EV::loop;
2618	}	3438	}
2619		3439
2620	#############################################################################	3440	#############################################################################
2621	# initialisation and cleanup	3441	# initialisation and cleanup
2622		3442
2623	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2624	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3447	$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";	3448	cf::cleanup "SIG$signal";
2633	},
2634	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2635	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2636	}	3537	}
2637		3538
2638	sub emergency_save() {	3539	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2640		3541
2641	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2642		3543
2643	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2644	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3558	$pl->save;
2652	}	3559	}
2653	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2654		3561
2655	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3565	$map->valid or next;
2659	$map->save;	3566	$map->save;
2660	}	3567	}
2661	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2662		3569
2663	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2666	};	3577	};
2667		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2668	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2669	}	3585	}
2670		3586
2671	sub post_cleanup {	3587	sub post_cleanup {
2672	my ($make_core) = @_;	3588	my ($make_core) = @_;
2673		3589
2674	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
2676	}	3621	}
2677		3622
2678	sub do_reload_perl() {	3623	sub do_reload_perl() {
2679	# can/must only be called in main	3624	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2682	return;	3627	return;
2683	}	3628	}
2684		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2685	warn "reloading...";	3635	warn "reloading...";
2686		3636
2687	warn "entering sync_job";	3637	warn "entering sync_job";
2688		3638
2689	cf::sync_job {	3639	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3641	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2693		3643
2694	warn "syncing database to disk";	3644	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3646
2697	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2698		3648
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";	3649	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;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3651	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	}	3652	}
2735		3653
2736	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2738	}	3656	%EXT_CORO = ();
2739		3657
2740	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3667	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3668
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2751	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2752	}	3678	}
2753		3679
2754	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2755	}	3695	}
2756		3696
2757	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		3700
2761	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		3704
2765	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3706	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2768		3708
2769	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2770		3710
2771	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2772	require cf;	3712	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3714
2775	warn "loading config and database again";	3715	warn "loading config and database again";
2776	cf::cfg_load;	3716	cf::reload_config;
2777		3717
2778	warn "loading extensions";	3718	warn "loading extensions";
2779	cf::load_extensions;	3719	cf::load_extensions;
2780		3720
		3721	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2787		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
2788	warn "leaving sync_job";	3733	warn "leaving sync_job";
2789		3734
2790	1	3735	1
2791	} or do {	3736	} or do {
2792	warn $@;	3737	warn $@;
2793	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3739	};
2796		3740
2797	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
2798	};	3747	};
2799		3748
2800	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
2801		3750
2802	sub reload_perl() {	3751	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
2805		3754
2806	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	3757
2809	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	3759	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
2813	},	3761	};
2814	);	3762	};
2815	}	3763	}
2816		3764
2817	register_command "reload" => sub {	3765	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2819		3767
2820	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3772	reload_perl;
		3773	};
2823	}	3774	}
2824	};	3775	};
2825		3776
2826	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2827		3778
…		…
2829		3780
2830	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2832		3783
2833	sub wait_for_tick {	3784	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3786
2837	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3789	$signal->wait;
2840	}	3790	}
2841		3791
2842	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3794
2846	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3797	$signal->wait;
2849	}	3798	}
2850		3799
2851	$TICK_WATCHER = Event->timer (	3800	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) {	3801	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2861	return;	3804	return;
2862	}	3805	}
2863		3806
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2867		3808
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3813	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3815	};
		3816	}
2878		3817
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3819	$sig->send;
2884	}	3820	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3822	$sig->send;
2887	}	3823	}
2888		3824
2889	$NOW = Event::time;	3825	$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;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3827
2900	_post_tick;	3828	if (0) {
2901		3829	if ($NEXT_TICK) {
2902		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
2903	},	3834	}
2904	);	3835	}
2905		3836
2906	{	3837	{
2907	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3839
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;	3840	BDB::min_parallel 8;
2917		3841	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3842	$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		3843
2933	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3851
2936	cf::sync_job {	3852	cf::sync_job {
2937	eval {	3853	eval {
2938	BDB::db_env_open	3854	BDB::db_env_open
2939	$DB_ENV,	3855	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3859	0666;
2944		3860
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	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	};	3862	};
2950		3863
2951	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3865	};
2953	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2954	}	3877	}
2955		3878
2956	{	3879	{
		3880	# configure IO::AIO
		3881
2957	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3884	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	}	3885	}
2970		3886
2971	my $_log_backtrace;	3887	my $_log_backtrace;
2972		3888
2973	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
2977		3893
2978	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
2981	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
2982	my @bt = fork_call {	3901	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
2994	}	3913	}
2995		3914
2996	@funcs	3915	@funcs
2997	};	3916	};
2998		3917
2999	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	3921	--$_log_backtrace;
3002	};	3922	};
3003	} else {	3923	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3006	}	3926	}
3007	}	3927	}
3008		3928
3009	# load additional modules	3929	# load additional modules
3010	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3011		3931
3012	END { cf::emergency_save }	3932	END { cf::emergency_save }
3013		3933
3014	1	3934	1
3015		3935

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines