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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.464 by root, Thu Jan 1 18:35:48 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "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;
82		116
83	our %CFG;	117	our %CFG;
84		118
85	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
87		122
88	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
91		126
92	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		129
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		138
99	binmode STDOUT;	139	binmode STDOUT;
100	binmode STDERR;	140	binmode STDERR;
101		141
102	# read virtual server time, if available	142	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
107	}	147	}
108		148
109	mkdir $_	149	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		195
156	The raw value load value from the last tick.	196	The raw value load value from the last tick.
157		197
158	=item %cf::CFG	198	=item %cf::CFG
159		199
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	201	from wherever your confdir points to.
162		202
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		204
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	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	206	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.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
169	=back	215	=back
170		216
171	=cut	217	=cut
172		218
173	BEGIN {	219	BEGIN {
…		…
177	$msg .= "\n"	223	$msg .= "\n"
178	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
179		225
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		227
182	utf8::encode $msg;
183	LOG llevError, $msg;	228	LOG llevError, $msg;
184	};	229	};
185	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
186		246
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		254
194	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	256	# within the Safe compartment.
196	for my $pkg (qw(	257	for my $pkg (qw(
197	cf::global cf::attachable	258	cf::global cf::attachable
198	cf::object cf::object::player	259	cf::object cf::object::player
199	cf::client cf::player	260	cf::client cf::player
200	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
201	cf::map cf::party cf::region	263	cf::party cf::region
202	)) {	264	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	266	}
206		267
207	$Event::DIED = sub {	268	$EV::DIED = sub {
208	warn "error in event callback: @_";	269	warn "error in event callback: @_";
209	};	270	};
		271
		272	#############################################################################
210		273
211	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
212		275
213	=over 4	276	=over 4
214		277
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	297	$d
235	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
236	}	299	}
237		300
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
241		302
242	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
243		304
244	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
245		306
246	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
247		308
		309	=cut
		310
		311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		312
		313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
248	=item cf::lock_wait $string	330	=item cf::lock_wait $string
249		331
250	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
251		333
252	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
253		335
254	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
257	returned.	339	returned.
258		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
259	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
261		346
262	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
263		348
264	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
265		350
266	=cut	351	=cut
267		352
268	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
269		354
270	sub lock_wait($) {	355	sub lock_wait($) {
271	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	357	}
279		358
280	sub lock_acquire($) {	359	sub lock_acquire($) {
281	my ($key) = @_;	360	$LOCKS->guard ($_[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	}	361	}
293		362
294	sub lock_active($) {	363	sub lock_active($) {
295	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	365	}
299		366
300	sub freeze_mainloop {	367	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
302		369
303	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
305	};	431	}
306	$TICK_WATCHER->stop;	432	};
307	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
308	}	446	}
309		447
310	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
311		449
312	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		455
318	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
319		457
320	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
321		459
322	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
325		464
326	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
329	fast or be very important.	468	fast or be very important.
…		…
332		471
333	sub sync_job(&) {	472	sub sync_job(&) {
334	my ($job) = @_;	473	my ($job) = @_;
335		474
336	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	476	my $time = EV::time;
338		477
339	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
341		480
342	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	482
344	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
345		484
346	my $busy = 1;	485	my $busy = 1;
347	my @res;	486	my @res;
348		487
349	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	490	@res = eval { $job->() };
351	warn $@ if $@;	491	warn $@ if $@;
352	undef $busy;	492	undef $busy;
353	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
354		494
355	while ($busy) {	495	while ($busy) {
356	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
357	}	500	}
		501	}
358		502
359	$time = Event::time - $time;	503	my $time = EV::time - $time;
360		504
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
365		506
366	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
367	} else {	508	} else {
368	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
369		510
…		…
389	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
390		531
391	$coro	532	$coro
392	}	533	}
393		534
394	sub write_runtime {	535	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		536
397	# first touch the runtime file to show we are still running:	537	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
399		541
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	542	=cut
401	utime undef, undef, $fh;	543
		544	sub fork_call(&@) {
		545	my ($cb, @args) = @_;
		546
		547	# we seemingly have to make a local copy of the whole thing,
		548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
		550
		551	my @res = Coro::Util::fork_eval {
		552	reset_signals;
		553	&$cb
		554	}, @args;
		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
402	}	613	};
		614	cf::cleanup "db_open(db): $@" if $@;
403		615
404	my $guard = cf::lock_acquire "write_runtime";	616	$db
		617	}
405		618
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	our $DB;
407	or return;
408		620
409	my $value = $cf::RUNTIME + 90 + 10;	621	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	622	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	623	$DB ||= db_table "db";
		624	};
		625	}
412		626
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	627	sub db_get($$) {
414	and return;	628	my $key = "$_[0]/$_[1]";
415		629
416	# always fsync - this file is important	630	cf::sync_job {
417	aio_fsync $fh	631	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		632
420	# touch it again to show we are up-to-date	633	$! ? ()
421	utime undef, undef, $fh;	634	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
432	}	711	}
433		712
434	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
435		714
436	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		727
449	#############################################################################	728	#############################################################################
450		729
451	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
452		731
453	Many objects in crossfire are so-called attachable objects. That means you can	732	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")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
456		735
457	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	738	Deliantra).
460		739
461	=over 4	740	=over 4
462		741
463	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
464		743
…		…
508	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
509		788
510	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
512		791
513	Some classes such as crossfire maps and objects can specify attachments	792	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.	793	that are attached at load/instantiate time, thus the need for a name.
515		794
516	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
517		796
518	=over 4	797	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
628		907
629	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		912
634	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	914	my $pkg = shift @arg;
636		915
637	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
667	}	946	}
668		947
669	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
670	} else {	949	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	951	}
673		952
674	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
675	}	954	}
676		955
…		…
678	if (ref $_[0]) {	957	if (ref $_[0]) {
679	_object_attach @_;	958	_object_attach @_;
680	} else {	959	} else {
681	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
682	}	961	}
		962	_recalc_want;
683	};	963	};
684		964
685	# all those should be optimised	965	# all those should be optimised
686	sub cf::attachable::detach {	966	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
691	reattach ($obj);	971	reattach ($obj);
692	} else {	972	} else {
693	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
694	}	974	}
		975	_recalc_want;
695	};	976	};
696		977
697	sub cf::attachable::attached {	978	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
699		980
…		…
714	";	995	";
715	die if $@;	996	die if $@;
716	}	997	}
717		998
718	our $override;	999	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1001
721	sub override {	1002	sub override {
722	$override = 1;	1003	$override = 1;
723	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
724	}	1005	}
725		1006
726	sub do_invoke {	1007	sub do_invoke {
727	my $event = shift;	1008	my $event = shift;
728	my $callbacks = shift;	1009	my $callbacks = shift;
729		1010
730	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
731		1012
732	local $override;	1013	local $override;
733		1014
734	for (@$callbacks) {	1015	for (@$callbacks) {
735	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
744	}	1025	}
745		1026
746	0	1027	0
747	}	1028	}
748		1029
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1031
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1033
753	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
754		1035
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	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	1037	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1039
759	=back	1040	=back
760		1041
761	=cut	1042	=cut
762		1043
763	#############################################################################	1044	#############################################################################
764	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
765		1088
766	sub reattach {	1089	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1091	my ($obj) = @_;
769		1092
		1093	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1095
772	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
773		1097
774	@$registry = ();	1098	@$registry = ();
775		1099
…		…
790	cf::attachable->attach (	1114	cf::attachable->attach (
791	prio => -1000000,	1115	prio => -1000000,
792	on_instantiate => sub {	1116	on_instantiate => sub {
793	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
794		1118
795	$data = from_json $data;	1119	$data = decode_json $data;
796		1120
797	for (@$data) {	1121	for (@$data) {
798	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
799		1123
800	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1140	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
818		1142
819	sync_job {	1143	sync_job {
820	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
823		1148
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1153	aio_close $fh;
829		1154
830	if (@$objs) {	1155	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1161	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
838	}	1163	}
839	} else {	1164	} else {
840	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
841	}	1166	}
842		1167
843	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1172	} else {
845	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
846	}	1174	}
847	} else {	1175	} else {
848	aio_unlink $filename;	1176	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
850	}	1178	}
851	}	1179	};
852	}	1180	}
853		1181
854	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
856		1184
…		…
868	or return;	1196	or return;
869		1197
870	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
872	or return;	1200	or return;
		1201
873	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
874	}	1204	}
875		1205
		1206	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
878	return ($data, $av);	1210	($data, $av)
879	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
880		1218
881	#############################################################################	1219	#############################################################################
882	# command handling &c	1220	# command handling &c
883		1221
884	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1236	}
899		1237
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1239
902	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
903		1245
904	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
905	called.	1247	called.
906		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
907	=cut	1260	=cut
908		1261
909	sub register_extcmd {	1262	sub register_extcmd {
910	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
911		1264
912	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
913	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
914		1275
915	cf::player->attach (	1276	cf::player->attach (
916	on_command => sub {	1277	on_command => sub {
917	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
918		1279
…		…
926	cf::override;	1287	cf::override;
927	},	1288	},
928	on_extcmd => sub {	1289	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
930		1291
931	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1293
933	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
939	} else {	1309	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1311	}
942		1312
943	cf::override;	1313	cf::override;
944	},	1314	},
945	);	1315	);
946		1316
		1317	# "readahead" all extensions
947	sub load_extension {	1318	sub cache_extensions {
948	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
949		1320
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
951	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1323	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	}	1324	}
975	die $@;
976	}	1325	};
977		1326
978	push @EXTS, $pkg;	1327	$grp
979	}	1328	}
980		1329
981	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
982	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1335	next unless -r $path;
984	eval {	1336
985	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
986	1	1393	}
987	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
988	}	1399	};
989	}	1400	}
990		1401
991	#############################################################################	1402	#############################################################################
992		1403
		1404	=back
		1405
993	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
994		1407
995	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
996		1409
997	=cut	1410	=cut
998		1411
999	package cf::player;	1412	package cf::player;
1000		1413
1001	use Coro::AIO;	1414	use Coro::AIO;
1002		1415
1003	=head3 cf::player	1416	=head3 cf::player
1004		1417
1005	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1006		1433
1007	=item cf::player::find $login	1434	=item cf::player::find $login
1008		1435
1009	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1010		1437
…		…
1029		1456
1030	sub exists($) {	1457	sub exists($) {
1031	my ($login) = @_;	1458	my ($login) = @_;
1032		1459
1033	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1035	}	1462	}
1036		1463
1037	sub find($) {	1464	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1466	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1477
1051	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1054	}	1487	}
1055	}	1488	}
1056	}	1489	}
1057		1490
…		…
1066	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1067		1500
1068	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1070		1503
		1504	cf::get_slot 0.01;
		1505
1071	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1072	Coro::cede;	1507	cf::cede_to_tick;
1073	}	1508	}
1074		1509
1075	sub new($) {	1510	sub new($) {
1076	my ($login) = @_;	1511	my ($login) = @_;
1077		1512
…		…
1083	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1084		1519
1085	$self	1520	$self
1086	}	1521	}
1087		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1088	=item $pl->quit_character	1533	=item $pl->quit_character
1089		1534
1090	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1092		1537
…		…
1096	my ($pl) = @_;	1541	my ($pl) = @_;
1097		1542
1098	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1099		1544
1100	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1547
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1107		1554
1108	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1592	or return [];
1146		1593
1147	my @logins;	1594	my @logins;
1148		1595
1149	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1153		1606
1154	utf8::decode $login;	1607	utf8::decode $login;
1155	push @logins, $login;	1608	push @logins, $login;
1156	}	1609	}
1157		1610
…		…
1184	}	1637	}
1185		1638
1186	\@paths	1639	\@paths
1187	}	1640	}
1188		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1189	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1190		1647
1191	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1192		1649
1193	=cut	1650	=cut
1194		1651
1195	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1197		1654
1198	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1656	}
1202		1657
1203	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1204		1659
1205	Sends an ext event to the client.	1660	Sends an ext event to the client.
1206		1661
1207	=cut	1662	=cut
1208		1663
1209	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1211		1666
1212	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1213	}	1668	}
1214		1669
1215	=head3 cf::region	1670	=head3 cf::region
1216		1671
1217	=over 4	1672	=over 4
…		…
1220		1675
1221	package cf::region;	1676	package cf::region;
1222		1677
1223	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1224		1679
1225	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1226		1681
1227	=cut	1682	=cut
1228		1683
1229	sub find_by_path($) {	1684	sub find_by_path($) {
1230	my ($path) = @_;	1685	my ($path) = @_;
1231		1686
1232	my ($match, $specificity);	1687	my ($match, $specificity);
1233		1688
1234	for my $region (list) {	1689	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1238	}	1693	}
1239	}	1694	}
1240		1695
…		…
1261	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1263		1718
1264	sub generate_random_map {	1719	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1266	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1725	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1305		1763
1306	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1307	local $self->{path};	1765	local $self->{path};
1308	local $self->{load_path};	1766	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1767
1312	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1313	}	1769	}
1314		1770
1315	sub normalise {	1771	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1363	return $self;	1819	return $self;
1364	}	1820	}
1365	}	1821	}
1366		1822
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1824	()
1369	}	1825	}
1370		1826
1371	sub init {	1827	sub init {
1372	my ($self) = @_;	1828	my ($self) = @_;
…		…
1394		1850
1395	# the temporary/swap location	1851	# the temporary/swap location
1396	sub save_path {	1852	sub save_path {
1397	my ($self) = @_;	1853	my ($self) = @_;
1398		1854
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1401	}	1857	}
1402		1858
1403	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1404	sub uniq_path {	1860	sub uniq_path {
1405	my ($self) = @_;	1861	my ($self) = @_;
1406		1862
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1409	}	1865	}
1410		1866
1411	# and all this just because we cannot iterate over	1867	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1868	my ($self) = @_;
1415		1869
1416	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1418	}	1873	}
1419		1874
1420	sub unlink_save {	1875	sub unlink_save {
1421	my ($self) = @_;	1876	my ($self) = @_;
1422		1877
…		…
1427		1882
1428	sub load_header_from($) {	1883	sub load_header_from($) {
1429	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1430		1885
1431	utf8::encode $path;	1886	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1437		1895
1438	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1439		1897
1440	1	1898	1
1441	}	1899	}
…		…
1480	$self->load_header_orig	1938	$self->load_header_orig
1481	or return;	1939	or return;
1482	$self->prepare_orig;	1940	$self->prepare_orig;
1483	}	1941	}
1484		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
1485	$self->default_region (cf::region::find_by_path $self->{path})	1946	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1947	unless $self->default_region;
1487		1948
1488	1	1949	1
1489	}	1950	}
…		…
1492	sub find {	1953	sub find {
1493	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1494		1955
1495	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1496		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1498		1960
1499	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1502	or return;	1963	or return;
1503		1964
1504	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1505		1966
1506	$map->load_header	1967	$map->load_header
1507	or return;	1968	or return;
1508		1969
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1512	$map->reset;	1975	$map->reset;
1513	undef $guard;
1514	return find $path;	1976	return find $path;
1515	}	1977	}
1516		1978
1517	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1518	}	1980	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1528		1990
1529	my $path = $self->{path};	1991	my $path = $self->{path};
1530		1992
1531	{	1993	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1533		1995
		1996	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1998
1536	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1537		2000
1538	$self->alloc;	2001	$self->alloc;
1539		2002
1540	$self->pre_load;	2003	$self->pre_load;
1541	Coro::cede;	2004	cf::cede_to_tick;
1542		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1544	or return;	2009	or return;
1545		2010
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1547	if delete $self->{load_original};	2012	if delete $self->{load_original};
1548		2013
1549	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2015	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2018	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1554	}	2022	}
1555	}	2023	}
1556		2024
1557	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1558	# now do the right thing for maps	2028	# now do the right thing for maps
1559	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2031	unless $self->difficulty;
1562	Coro::cede;	2032	cf::cede_to_tick;
1563		2033
1564	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2035	$self->decay_objects;
1566	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1567	$self->update_buttons;	2037	$self->update_buttons;
1568	Coro::cede;	2038	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2039	$self->activate;
1572	}	2040	}
1573		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2046	}
1576		2047
1577	$self->post_load;	2048	$self->post_load;
1578	}	2049	}
1579		2050
…		…
1581	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1582		2053
1583	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2055	if $self->per_player;
1585		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1586	$self	2060	$self
1587	}	2061	}
1588		2062
1589	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2064	sub load_neighbours {
1591	my ($map) = @_;	2065	my ($map) = @_;
1592		2066
1593	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1594		2068
1595	for (0 .. 3) {	2069	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1597	or next;	2071	or next;
1598	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1599	or next;	2073	or next;
1600	$neigh->load;	2074	$neigh->load;
1601		2075
		2076	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2079	}
1605		2080
1606	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1608	or next;	2084	or next;
1609	$neigh->load;	2085	$neigh->load;
1610	}	2086	}
1611	}	2087	}
1612		2088
…		…
1617	}	2093	}
1618		2094
1619	sub do_load_sync {	2095	sub do_load_sync {
1620	my ($map) = @_;	2096	my ($map) = @_;
1621		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1622	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1623	}	2102	}
1624		2103
1625	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1627		2106
1628	sub find_async {	2107	sub find_async {
1629	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1630		2109
1631	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1632		2111
1633	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2114	}
1636		2115
1637	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1638	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1639	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2123	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2124	$map->load if $v;
		2125	}
1644		2126
1645	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1646	}	2128	}
1647	}	2129	}
1648	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1649	};	2131	};
1650	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2135	}
1654		2136
1655	sub save {	2137	sub save {
1656	my ($self) = @_;	2138	my ($self) = @_;
1657		2139
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2141
1660	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1661		2143
1662	return unless $self->dirty;	2144	return unless $self->dirty;
1663		2145
…		…
1669	return if $self->{deny_save};	2151	return if $self->{deny_save};
1670		2152
1671	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1672		2154
1673	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1675	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1676		2161
1677	if ($uniq) {	2162	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2165	} else {
…		…
1686	my ($self) = @_;	2171	my ($self) = @_;
1687		2172
1688	# save first because save cedes	2173	# save first because save cedes
1689	$self->save;	2174	$self->save;
1690		2175
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2177
1693	return if $self->players;	2178	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2180	return if $self->{deny_save};
1696		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2186	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2187	}
1700		2188
1701	sub reset_at {	2189	sub reset_at {
1702	my ($self) = @_;	2190	my ($self) = @_;
1703		2191
1704	# TODO: safety, remove and allow resettable per-player maps	2192	# 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};	2193	return 1e99 if $self->{deny_reset};
1707		2194
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2197
…		…
1721	my ($self) = @_;	2208	my ($self) = @_;
1722		2209
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2211
1725	return if $self->players;	2212	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2213
1728	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1729		2215
1730	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1731		2217
1732	# need to save uniques path	2218	# need to save uniques path
1733	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2223	if $uniq;
1738	}	2224	}
1739		2225
1740	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1741		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2230	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2231
1746	$self->unlink_save;	2232	$self->unlink_save;
1747	$self->destroy;	2233	$self->destroy;
1748	}	2234	}
1749		2235
1750	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1751		2237
1752	sub nuke {	2238	sub nuke {
1753	my ($self) = @_;	2239	my ($self) = @_;
1754		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1755	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1756		2245
1757	$self->unlink_save;	2246	$self->unlink_save;
1758		2247
1759	bless $self, "cf::map";	2248	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2253
1765	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1766		2256
1767	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1768	}	2294	}
1769		2295
1770	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1771		2297
1772	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2299	instantiated unique items. May block.
1774		2300
1775	=cut	2301	=cut
1776		2302
1777	sub unique_maps() {	2303	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2304	[
1779	or return;	2305	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2306	utf8::decode $_;
1785	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2309	? ()
1788	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2312	]
1790
1791	\@paths
1792	}	2313	}
1793
1794	package cf;
1795		2314
1796	=back	2315	=back
1797		2316
1798	=head3 cf::object	2317	=head3 cf::object
1799		2318
…		…
1803		2322
1804	=over 4	2323	=over 4
1805		2324
1806	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1807		2326
1808	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1809		2329
1810	=cut	2330	=cut
1811		2331
1812	sub inv_recursive_;	2332	sub inv_recursive_;
1813	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1816		2336
1817	sub inv_recursive {	2337	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1819	}	2339	}
1820		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1821	package cf;	2369	package cf;
1822		2370
1823	=back	2371	=back
1824		2372
1825	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	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	2380	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1834		2382
1835	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1836		2398
1837	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2400	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1842		2404
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2406
1845	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1847	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1850	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1851	}	2432	}
1852		2433
1853	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1854		2435
1855	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1868		2449
1869	=item $player_object->enter_link	2450	=item $player_object->enter_link
1870		2451
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2453
1873	The player should be reasonably safe there for short amounts of time. You	2454	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.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1875		2458
1876	Will never block.	2459	Will never block.
1877		2460
1878	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1879		2462
…		…
1902	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1903		2486
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2488
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1908		2491
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2493	}
1911		2494
1912	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1914		2499
1915	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1916		2501
1917	unless ($map) {	2502	unless ($map) {
1918	# restore original map position	2503	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1935		2520
1936	$map->load;	2521	$map->load;
1937	$map->load_diag;	2522	$map->load_neighbours;
1938		2523
1939	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1940	$self->activate_recursive;	2526	$self->activate_recursive;
1941		2527
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1944	}	2530	}
1945		2531
1946	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2533
1950	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1954	};	2538	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2539
1960	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1961	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1962	if ($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		2542
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1981		2546
1982	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2552
1985	$self->enter_link;	2553	$self->enter_link;
1986		2554
1987	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1988	my $map = eval {	2577	my $map = eval {
1989	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1991	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2593	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1996	})->prio (1);	2601	})->prio (1);
1997	}	2602	}
1998		2603
1999	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
2000		2605
…		…
2020	}	2625	}
2021		2626
2022	sub prepare_random_map {	2627	sub prepare_random_map {
2023	my ($exit) = @_;	2628	my ($exit) = @_;
2024		2629
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2632	# that depends on the exit object
2030		2633
2031	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2636	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2038	}	2643	}
2039		2644
2040	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2041		2646
2042	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2045		2650
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2653	undef $fh;
2049	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2050		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2053	}	2662	}
2054	}	2663	}
2055		2664
2056	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2058		2667
2059	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2060		2669
2061	if ($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;	2670	$self->enter_link;
2073		2671
2074	(async {	2672	(async {
2075	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2076	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2077	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2078		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2079	1;	2696	1
2080	}) {	2697	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2702
2086	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2105		2722
2106	utf8::encode $text;	2723	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2725	}
2109		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/death" => {
		2799	id => "death",
		2800	title => "Death",
		2801	reply => undef,
		2802	tooltip => "Reason for and more info about your most recent death",
		2803	},
		2804	"c/say" => $SAY_CHANNEL,
		2805	"c/chat" => $CHAT_CHANNEL,
		2806	);
		2807
		2808	sub cf::client::send_msg {
		2809	my ($self, $channel, $msg, $color, @extra) = @_;
		2810
		2811	$msg = $self->pl->expand_cfpod ($msg)
		2812	unless $color & cf::NDI_VERBATIM;
		2813
		2814	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2815
		2816	# check predefined channels, for the benefit of C
		2817	if ($CHANNEL{$channel}) {
		2818	$channel = $CHANNEL{$channel};
		2819
		2820	$self->ext_msg (channel_info => $channel);
		2821	$channel = $channel->{id};
		2822
		2823	} elsif (ref $channel) {
		2824	# send meta info to client, if not yet sent
		2825	unless (exists $self->{channel}{$channel->{id}}) {
		2826	$self->{channel}{$channel->{id}} = $channel;
		2827	$self->ext_msg (channel_info => $channel);
		2828	}
		2829
		2830	$channel = $channel->{id};
		2831	}
		2832
		2833	return unless @extra || length $msg;
		2834
		2835	# default colour, mask it out
		2836	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2837	if $color & cf::NDI_DEF;
		2838
		2839	my $pkt = "msg "
		2840	. $self->{json_coder}->encode (
		2841	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2842	);
		2843
		2844	# try lzf for large packets
		2845	$pkt = "lzf " . Compress::LZF::compress $pkt
		2846	if 1024 <= length $pkt and $self->{can_lzf};
		2847
		2848	# split very large packets
		2849	if (8192 < length $pkt and $self->{can_lzf}) {
		2850	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2851	$pkt = "frag";
		2852	}
		2853
		2854	$self->send_packet ($pkt);
		2855	}
		2856
2110	=item $client->ext_event ($type, %msg)	2857	=item $client->ext_msg ($type, @msg)
2111		2858
2112	Sends an exti event to the client.	2859	Sends an ext event to the client.
2113		2860
2114	=cut	2861	=cut
2115		2862
2116	sub cf::client::ext_event($$%) {	2863	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2864	my ($self, $type, @msg) = @_;
2118		2865
		2866	if ($self->extcmd == 2) {
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2868	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2869	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2870	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2871	}
		2872	}
		2873
		2874	=item $client->ext_reply ($msgid, @msg)
		2875
		2876	Sends an ext reply to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_reply($$@) {
		2881	my ($self, $id, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2885	} elsif ($self->extcmd == 1) {
		2886	#TODO: version 1, remove
		2887	unshift @msg, msgtype => "reply", msgid => $id;
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
2121	}	2890	}
2122		2891
2123	=item $success = $client->query ($flags, "text", \&cb)	2892	=item $success = $client->query ($flags, "text", \&cb)
2124		2893
2125	Queues a query to the client, calling the given callback with	2894	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>,	2895	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>.	2896	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2897
2129	Queries can fail, so check the return code. Or don't, as queries will become	2898	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2899	become reliable at some point in the future.
2131		2900
2132	=cut	2901	=cut
2133		2902
2134	sub cf::client::query {	2903	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2904	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2912	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2913	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2914
2146	$self->send_packet ($self->{query_queue}[0][0])	2915	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2916	if @{ $self->{query_queue} } == 1;
		2917
		2918	1
2148	}	2919	}
2149		2920
2150	cf::client->attach (	2921	cf::client->attach (
		2922	on_connect => sub {
		2923	my ($ns) = @_;
		2924
		2925	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2926	},
2151	on_reply => sub {	2927	on_reply => sub {
2152	my ($ns, $msg) = @_;	2928	my ($ns, $msg) = @_;
2153		2929
2154	# this weird shuffling is so that direct followup queries	2930	# this weird shuffling is so that direct followup queries
2155	# get handled first	2931	# get handled first
…		…
2167	} else {	2943	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2944	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2945	}
2170	}	2946	}
2171	},	2947	},
		2948	on_exticmd => sub {
		2949	my ($ns, $buf) = @_;
		2950
		2951	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2952
		2953	if (ref $msg) {
		2954	my ($type, $reply, @payload) =
		2955	"ARRAY" eq ref $msg
		2956	? @$msg
		2957	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2958
		2959	my @reply;
		2960
		2961	if (my $cb = $EXTICMD{$type}) {
		2962	@reply = $cb->($ns, @payload);
		2963	}
		2964
		2965	$ns->ext_reply ($reply, @reply)
		2966	if $reply;
		2967
		2968	} else {
		2969	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2970	}
		2971
		2972	cf::override;
		2973	},
2172	);	2974	);
2173		2975
2174	=item $client->async (\&cb)	2976	=item $client->async (\&cb)
2175		2977
2176	Create a new coroutine, running the specified callback. The coroutine will	2978	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3019	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3020	our $safe_hole = new Safe::Hole;
2219		3021
2220	$SIG{FPE} = 'IGNORE';	3022	$SIG{FPE} = 'IGNORE';
2221		3023
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3024	$safe->permit_only (Opcode::opset qw(
		3025	:base_core :base_mem :base_orig :base_math
		3026	grepstart grepwhile mapstart mapwhile
		3027	sort time
		3028	));
2223		3029
2224	# here we export the classes and methods available to script code	3030	# here we export the classes and methods available to script code
2225		3031
2226	=pod	3032	=pod
2227		3033
2228	The following functions and methods are available within a safe environment:	3034	The following functions and methods are available within a safe environment:
2229		3035
2230	cf::object contr pay_amount pay_player map	3036	cf::object
		3037	contr pay_amount pay_player map x y force_find force_add destroy
		3038	insert remove name archname title slaying race decrease split
		3039
2231	cf::object::player player	3040	cf::object::player
2232	cf::player peaceful	3041	player
2233	cf::map trigger	3042
		3043	cf::player
		3044	peaceful
		3045
		3046	cf::map
		3047	trigger
2234		3048
2235	=cut	3049	=cut
2236		3050
2237	for (	3051	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3052	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3053	insert remove inv nrof name archname title slaying race
		3054	decrease split destroy change_exp)],
2239	["cf::object::player" => qw(player)],	3055	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3056	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3057	["cf::map" => qw(trigger)],
2242	) {	3058	) {
2243	no strict 'refs';	3059	no strict 'refs';
…		…
2314	=back	3130	=back
2315		3131
2316	=cut	3132	=cut
2317		3133
2318	#############################################################################	3134	#############################################################################
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 $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3135	# the server's init and main functions
2494		3136
2495	sub load_facedata($) {	3137	sub load_facedata($) {
2496	my ($path) = @_;	3138	my ($path) = @_;
		3139
		3140	# HACK to clear player env face cache, we need some signal framework
		3141	# for this (global event?)
		3142	%ext::player_env::MUSIC_FACE_CACHE = ();
		3143
		3144	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3145
2498	warn "loading facedata from $path\n";	3146	warn "loading facedata from $path\n";
2499		3147
2500	my $facedata;	3148	my $facedata;
2501	0 < aio_load $path, $facedata	3149	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3152	$facedata = Coro::Storable::thaw $facedata;
2505		3153
2506	$facedata->{version} == 2	3154	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3155	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3156
		3157	# patch in the exptable
		3158	$facedata->{resource}{"res/exp_table"} = {
		3159	type => FT_RSRC,
		3160	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3161	};
		3162	cf::cede_to_tick;
		3163
2509	{	3164	{
2510	my $faces = $facedata->{faceinfo};	3165	my $faces = $facedata->{faceinfo};
2511		3166
2512	while (my ($face, $info) = each %$faces) {	3167	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3168	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3169
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3170	cf::face::set_visibility $idx, $info->{visibility};
		3171	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3172	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3173	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3174
		3175	cf::cede_to_tick;
2518	}	3176	}
2519		3177
2520	while (my ($face, $info) = each %$faces) {	3178	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3179	next unless $info->{smooth};
		3180
2522	my $idx = cf::face::find $face	3181	my $idx = cf::face::find $face
2523	or next;	3182	or next;
		3183
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3184	if (my $smooth = cf::face::find $info->{smooth}) {
		3185	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3186	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3187	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3188	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3189	}
2529	Coro::cede;	3190
		3191	cf::cede_to_tick;
2530	}	3192	}
2531	}	3193	}
2532		3194
2533	{	3195	{
2534	my $anims = $facedata->{animinfo};	3196	my $anims = $facedata->{animinfo};
2535		3197
2536	while (my ($anim, $info) = each %$anims) {	3198	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3199	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3200	cf::cede_to_tick;
2539	}	3201	}
2540		3202
2541	cf::anim::invalidate_all; # d'oh	3203	cf::anim::invalidate_all; # d'oh
2542	}	3204	}
2543		3205
		3206	{
		3207	# TODO: for gcfclient pleasure, we should give resources
		3208	# that gcfclient doesn't grok a >10000 face index.
		3209	my $res = $facedata->{resource};
		3210
		3211	while (my ($name, $info) = each %$res) {
		3212	if (defined $info->{type}) {
		3213	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3214	my $data;
		3215
		3216	if ($info->{type} & 1) {
		3217	# prepend meta info
		3218
		3219	my $meta = $enc->encode ({
		3220	name => $name,
		3221	%{ $info->{meta} || {} },
		3222	});
		3223
		3224	$data = pack "(w/a*)*", $meta, $info->{data};
		3225	} else {
		3226	$data = $info->{data};
		3227	}
		3228
		3229	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3230	cf::face::set_type $idx, $info->{type};
		3231	} else {
		3232	$RESOURCE{$name} = $info;
		3233	}
		3234
		3235	cf::cede_to_tick;
		3236	}
		3237	}
		3238
		3239	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3240
2544	1	3241	1
2545	}	3242	}
2546		3243
		3244	cf::global->attach (on_resource_update => sub {
		3245	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3246	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3247
		3248	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3249	my $sound = $soundconf->{compat}[$_]
		3250	or next;
		3251
		3252	my $face = cf::face::find "sound/$sound->[1]";
		3253	cf::sound::set $sound->[0] => $face;
		3254	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3255	}
		3256
		3257	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3258	my $face = cf::face::find "sound/$v";
		3259	cf::sound::set $k => $face;
		3260	}
		3261	}
		3262	});
		3263
		3264	register_exticmd fx_want => sub {
		3265	my ($ns, $want) = @_;
		3266
		3267	while (my ($k, $v) = each %$want) {
		3268	$ns->fx_want ($k, $v);
		3269	}
		3270	};
		3271
		3272	sub load_resource_file($) {
		3273	my $guard = lock_acquire "load_resource_file";
		3274
		3275	my $status = load_resource_file_ $_[0];
		3276	get_slot 0.1, 100;
		3277	cf::arch::commit_load;
		3278
		3279	$status
		3280	}
		3281
2547	sub reload_regions {	3282	sub reload_regions {
		3283	# HACK to clear player env face cache, we need some signal framework
		3284	# for this (global event?)
		3285	%ext::player_env::MUSIC_FACE_CACHE = ();
		3286
2548	load_resource_file "$MAPDIR/regions"	3287	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3288	or die "unable to load regions file\n";
		3289
		3290	for (cf::region::list) {
		3291	$_->{match} = qr/$_->{match}/
		3292	if exists $_->{match};
		3293	}
2550	}	3294	}
2551		3295
2552	sub reload_facedata {	3296	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3297	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3298	or die "unable to load facedata\n";
…		…
2565	}	3309	}
2566		3310
2567	sub reload_resources {	3311	sub reload_resources {
2568	warn "reloading resource files...\n";	3312	warn "reloading resource files...\n";
2569		3313
2570	reload_regions;
2571	reload_facedata;	3314	reload_facedata;
2572	reload_archetypes;	3315	reload_archetypes;
		3316	reload_regions;
2573	reload_treasures;	3317	reload_treasures;
2574		3318
2575	warn "finished reloading resource files\n";	3319	warn "finished reloading resource files\n";
2576	}	3320	}
2577		3321
2578	sub init {	3322	sub reload_config {
2579	reload_resources;
2580	}
2581
2582	sub cfg_load {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3323	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3324	or return;
2585		3325
2586	local $/;	3326	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3327	*CFG = YAML::Load <$fh>;
2588		3328
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3329	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3330
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3331	$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};	3332	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	};	3338	};
2599	warn $@ if $@;	3339	warn $@ if $@;
2600	}	3340	}
2601	}	3341	}
2602		3342
		3343	sub pidfile() {
		3344	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3345	or die "$PIDFILE: $!";
		3346	flock $fh, &Fcntl::LOCK_EX
		3347	or die "$PIDFILE: flock: $!";
		3348	$fh
		3349	}
		3350
		3351	# make sure only one server instance is running at any one time
		3352	sub atomic {
		3353	my $fh = pidfile;
		3354
		3355	my $pid = <$fh>;
		3356	kill 9, $pid if $pid > 0;
		3357
		3358	seek $fh, 0, 0;
		3359	print $fh $$;
		3360	}
		3361
2603	sub main {	3362	sub main {
		3363	cf::init_globals; # initialise logging
		3364
		3365	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3366	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3367	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3368	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3369
		3370	cf::init_experience;
		3371	cf::init_anim;
		3372	cf::init_attackmess;
		3373	cf::init_dynamic;
		3374
		3375	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3376
2604	# we must not ever block the main coroutine	3377	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3378	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3379	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3380	(async {
2608	Event::one_event;	3381	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3382	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3383	})->prio (Coro::PRIO_MAX);
2610	};	3384	};
2611		3385
2612	cfg_load;	3386	evthread_start IO::AIO::poll_fileno;
		3387
		3388	cf::sync_job {
		3389	reload_resources;
		3390	reload_config;
2613	db_init;	3391	db_init;
		3392
		3393	cf::load_settings;
		3394	cf::load_materials;
		3395	cf::init_uuid;
		3396	cf::init_signals;
		3397	cf::init_commands;
		3398	cf::init_skills;
		3399
		3400	cf::init_beforeplay;
		3401
		3402	atomic;
		3403
2614	load_extensions;	3404	load_extensions;
2615		3405
2616	$TICK_WATCHER->start;	3406	utime time, time, $RUNTIMEFILE;
		3407
		3408	# no (long-running) fork's whatsoever before this point(!)
		3409	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3410
		3411	(pop @POST_INIT)->(0) while @POST_INIT;
		3412	};
		3413
2617	Event::loop;	3414	EV::loop;
2618	}	3415	}
2619		3416
2620	#############################################################################	3417	#############################################################################
2621	# initialisation and cleanup	3418	# initialisation and cleanup
2622		3419
2623	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2624	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3424	$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";	3425	cf::cleanup "SIG$signal";
2633	},
2634	);	3426	};
		3427	}
		3428	}
		3429
		3430	sub write_runtime_sync {
		3431	# first touch the runtime file to show we are still running:
		3432	# the fsync below can take a very very long time.
		3433
		3434	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3435
		3436	my $guard = cf::lock_acquire "write_runtime";
		3437
		3438	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3439	or return;
		3440
		3441	my $value = $cf::RUNTIME + 90 + 10;
		3442	# 10 is the runtime save interval, for a monotonic clock
		3443	# 60 allows for the watchdog to kill the server.
		3444
		3445	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3446	and return;
		3447
		3448	# always fsync - this file is important
		3449	aio_fsync $fh
		3450	and return;
		3451
		3452	# touch it again to show we are up-to-date
		3453	aio_utime $fh, undef, undef;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3459	and return;
		3460
		3461	warn "runtime file written.\n";
		3462
2635	}	3463	1
		3464	}
		3465
		3466	our $uuid_lock;
		3467	our $uuid_skip;
		3468
		3469	sub write_uuid_sync($) {
		3470	$uuid_skip ||= $_[0];
		3471
		3472	return if $uuid_lock;
		3473	local $uuid_lock = 1;
		3474
		3475	my $uuid = "$LOCALDIR/uuid";
		3476
		3477	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3478	or return;
		3479
		3480	my $value = uuid_seq uuid_cur;
		3481
		3482	unless ($value) {
		3483	warn "cowardly refusing to write zero uuid value!\n";
		3484	return;
		3485	}
		3486
		3487	my $value = uuid_str $value + $uuid_skip;
		3488	$uuid_skip = 0;
		3489
		3490	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3491	and return;
		3492
		3493	# always fsync - this file is important
		3494	aio_fsync $fh
		3495	and return;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$uuid~", $uuid
		3501	and return;
		3502
		3503	warn "uuid file written ($value).\n";
		3504
		3505	1
		3506
		3507	}
		3508
		3509	sub write_uuid($$) {
		3510	my ($skip, $sync) = @_;
		3511
		3512	$sync ? write_uuid_sync $skip
		3513	: async { write_uuid_sync $skip };
2636	}	3514	}
2637		3515
2638	sub emergency_save() {	3516	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3517	my $freeze_guard = cf::freeze_mainloop;
2640		3518
2641	warn "enter emergency perl save\n";	3519	warn "emergency_perl_save: enter\n";
2642		3520
2643	cf::sync_job {	3521	cf::sync_job {
		3522	# this is a trade-off: we want to be very quick here, so
		3523	# save all maps without fsync, and later call a global sync
		3524	# (which in turn might be very very slow)
		3525	local $USE_FSYNC = 0;
		3526
2644	# use a peculiar iteration method to avoid tripping on perl	3527	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3528	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3530	warn "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3535	$pl->save;
2652	}	3536	}
2653	warn "end emergency player save\n";	3537	warn "emergency_perl_save: end player save\n";
2654		3538
2655	warn "begin emergency map save\n";	3539	warn "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3540	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3542	$map->valid or next;
2659	$map->save;	3543	$map->save;
2660	}	3544	}
2661	warn "end emergency map save\n";	3545	warn "emergency_perl_save: end map save\n";
2662		3546
2663	warn "begin emergency database checkpoint\n";	3547	warn "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3549	warn "emergency_perl_save: end database checkpoint\n";
		3550
		3551	warn "emergency_perl_save: begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "emergency_perl_save: end write uuid\n";
2666	};	3554	};
2667		3555
		3556	warn "emergency_perl_save: starting sync()\n";
		3557	IO::AIO::aio_sync sub {
		3558	warn "emergency_perl_save: finished sync()\n";
		3559	};
		3560
2668	warn "leave emergency perl save\n";	3561	warn "emergency_perl_save: leave\n";
2669	}	3562	}
2670		3563
2671	sub post_cleanup {	3564	sub post_cleanup {
2672	my ($make_core) = @_;	3565	my ($make_core) = @_;
2673		3566
2674	warn Carp::longmess "post_cleanup backtrace"	3567	warn Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3568	if $make_core;
		3569
		3570	my $fh = pidfile;
		3571	unlink $PIDFILE if <$fh> == $$;
		3572	}
		3573
		3574	# a safer delete_package, copied from Symbol
		3575	sub clear_package($) {
		3576	my $pkg = shift;
		3577
		3578	# expand to full symbol table name if needed
		3579	unless ($pkg =~ /^main::.*::$/) {
		3580	$pkg = "main$pkg" if $pkg =~ /^::/;
		3581	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3582	$pkg .= '::' unless $pkg =~ /::$/;
		3583	}
		3584
		3585	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3586	my $stem_symtab = *{$stem}{HASH};
		3587
		3588	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3589	or return;
		3590
		3591	# clear all symbols
		3592	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3593	for my $name (keys %$leaf_symtab) {
		3594	_gv_clear *{"$pkg$name"};
		3595	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3596	}
		3597	warn "cleared package $pkg\n";#d#
2676	}	3598	}
2677		3599
2678	sub do_reload_perl() {	3600	sub do_reload_perl() {
2679	# can/must only be called in main	3601	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3602	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3603	warn "can only reload from main coroutine";
2682	return;	3604	return;
2683	}	3605	}
2684		3606
		3607	return if $RELOAD++;
		3608
		3609	my $t1 = EV::time;
		3610
		3611	while ($RELOAD) {
2685	warn "reloading...";	3612	warn "reloading...";
2686		3613
2687	warn "entering sync_job";	3614	warn "entering sync_job";
2688		3615
2689	cf::sync_job {	3616	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3617	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3618	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3619	cf::write_runtime_sync; # external watchdog should not bark
2693		3620
2694	warn "syncing database to disk";	3621	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3623
2697	# if anything goes wrong in here, we should simply crash as we already saved	3624	# if anything goes wrong in here, we should simply crash as we already saved
2698		3625
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";	3626	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;	3627	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3628	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	}	3629	}
2735		3630
2736	warn "... nuking $pkg";	3631	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3632	$_->cancel for values %EXT_CORO;
2738	}	3633	%EXT_CORO = ();
2739		3634
2740	warn "unloading all perl modules loaded from $LIBDIR";	3635	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3636	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3637
		3638	warn "removing ext/exti commands";
		3639	%EXTCMD = ();
		3640	%EXTICMD = ();
		3641
		3642	warn "unloading/nuking all extensions";
		3643	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3644	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3645
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3646	if (my $cb = $pkg->can ("unload")) {
		3647	eval {
2751	$cb->();	3648	$cb->($pkg);
		3649	1
		3650	} or warn "$pkg unloaded, but with errors: $@";
		3651	}
		3652
		3653	warn "... clearing $pkg";
		3654	clear_package $pkg;
2752	}	3655	}
2753		3656
2754	Symbol::delete_package $k;	3657	warn "unloading all perl modules loaded from $LIBDIR";
		3658	while (my ($k, $v) = each %INC) {
		3659	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3660
		3661	warn "... unloading $k";
		3662	delete $INC{$k};
		3663
		3664	$k =~ s/\.pm$//;
		3665	$k =~ s/\//::/g;
		3666
		3667	if (my $cb = $k->can ("unload_module")) {
		3668	$cb->();
		3669	}
		3670
		3671	clear_package $k;
2755	}	3672	}
2756		3673
2757	warn "getting rid of safe::, as good as possible";	3674	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3675	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3676	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		3677
2761	warn "unloading cf.pm \"a bit\"";	3678	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3679	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3680	delete $INC{"cf/pod.pm"};
2764		3681
2765	# don't, removes xs symbols, too,	3682	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3683	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3684	#clear_package __PACKAGE__;
2768		3685
2769	warn "unload completed, starting to reload now";	3686	warn "unload completed, starting to reload now";
2770		3687
2771	warn "reloading cf.pm";	3688	warn "reloading cf.pm";
2772	require cf;	3689	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3690	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3691
2775	warn "loading config and database again";	3692	warn "loading config and database again";
2776	cf::cfg_load;	3693	cf::reload_config;
2777		3694
2778	warn "loading extensions";	3695	warn "loading extensions";
2779	cf::load_extensions;	3696	cf::load_extensions;
2780		3697
		3698	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	3699	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3700	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3701	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3702	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3703	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3704	reattach $_ for values %PLAYER;
		3705	}
2787		3706
		3707	warn "running post_init jobs";
		3708	(pop @POST_INIT)->(1) while @POST_INIT;
		3709
2788	warn "leaving sync_job";	3710	warn "leaving sync_job";
2789		3711
2790	1	3712	1
2791	} or do {	3713	} or do {
2792	warn $@;	3714	warn $@;
2793	warn "error while reloading, exiting.";	3715	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3716	};
2796		3717
2797	warn "reloaded";	3718	warn "reloaded";
		3719	--$RELOAD;
		3720	}
		3721
		3722	$t1 = EV::time - $t1;
		3723	warn "reload completed in ${t1}s\n";
2798	};	3724	};
2799		3725
2800	our $RELOAD_WATCHER; # used only during reload	3726	our $RELOAD_WATCHER; # used only during reload
2801		3727
2802	sub reload_perl() {	3728	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3729	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3730	# coro crashes during coro_state_free->destroy here.
2805		3731
2806	$RELOAD_WATCHER ||= Event->timer (	3732	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	3733	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	3734
2809	data => WF_AUTOCANCEL,	3735	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	3736	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3737	undef $RELOAD_WATCHER;
2813	},	3738	};
2814	);	3739	};
2815	}	3740	}
2816		3741
2817	register_command "reload" => sub {	3742	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3743	my ($who, $arg) = @_;
2819		3744
2820	if ($who->flag (FLAG_WIZ)) {	3745	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3746	$who->message ("reloading server.");
		3747	async {
		3748	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3749	reload_perl;
		3750	};
2823	}	3751	}
2824	};	3752	};
2825		3753
2826	unshift @INC, $LIBDIR;	3754	unshift @INC, $LIBDIR;
2827		3755
…		…
2829		3757
2830	our @WAIT_FOR_TICK;	3758	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3759	our @WAIT_FOR_TICK_BEGIN;
2832		3760
2833	sub wait_for_tick {	3761	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3762	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3763
2837	my $signal = new Coro::Signal;	3764	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3765	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3766	$signal->wait;
2840	}	3767	}
2841		3768
2842	sub wait_for_tick_begin {	3769	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3771
2846	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3773	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3774	$signal->wait;
2849	}	3775	}
2850		3776
2851	$TICK_WATCHER = Event->timer (	3777	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) {	3778	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3779	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3780	unless ++$bug_warning > 10;
2861	return;	3781	return;
2862	}	3782	}
2863		3783
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3784	cf::server_tick; # one server iteration
2867		3785
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3786	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3787	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3788	Coro::async_pool {
		3789	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3790	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3791	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3792	};
		3793	}
2878		3794
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3795	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3796	$sig->send;
2884	}	3797	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3798	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3799	$sig->send;
2887	}	3800	}
2888		3801
2889	$NOW = Event::time;	3802	$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;	3803	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3804
2900	_post_tick;	3805	if (0) {
2901		3806	if ($NEXT_TICK) {
2902		3807	my $jitter = $TICK_START - $NEXT_TICK;
		3808	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3809	warn "jitter $JITTER\n";#d#
		3810	}
2903	},	3811	}
2904	);	3812	}
2905		3813
2906	{	3814	{
2907	BDB::max_poll_time $TICK * 0.1;	3815	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3816
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;	3817	BDB::min_parallel 8;
2917		3818	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3819	$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		3820
2933	unless ($DB_ENV) {	3821	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3822	$DB_ENV = BDB::db_env_create;
		3823	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3824	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3825	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3826	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3827	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3828
2936	cf::sync_job {	3829	cf::sync_job {
2937	eval {	3830	eval {
2938	BDB::db_env_open	3831	BDB::db_env_open
2939	$DB_ENV,	3832	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3834	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3835	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3836	0666;
2944		3837
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3838	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	};	3839	};
2950		3840
2951	cf::cleanup "db_env_open(db): $@" if $@;	3841	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3842	};
2953	}	3843	}
		3844
		3845	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3846	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3847	};
		3848	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3849	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3850	};
		3851	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3852	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3853	};
2954	}	3854	}
2955		3855
2956	{	3856	{
		3857	# configure IO::AIO
		3858
2957	IO::AIO::min_parallel 8;	3859	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3860	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3861	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	}	3862	}
2970		3863
2971	my $_log_backtrace;	3864	my $_log_backtrace;
2972		3865
2973	sub _log_backtrace {	3866	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	3869	$msg =~ s/\n//;
2977		3870
2978	# limit the # of concurrent backtraces	3871	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3872	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3873	++$_log_backtrace;
		3874	my $perl_bt = Carp::longmess $msg;
2981	async {	3875	async {
		3876	$Coro::current->{desc} = "abt $msg";
		3877
2982	my @bt = fork_call {	3878	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3879	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3880	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3881	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3882	or die "addr2line: $!";
…		…
2994	}	3890	}
2995		3891
2996	@funcs	3892	@funcs
2997	};	3893	};
2998		3894
2999	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $perl_bt\n";
		3896	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	3897	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	3898	--$_log_backtrace;
3002	};	3899	};
3003	} else {	3900	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	3901	LOG llevInfo, "[ABT] $msg\n";

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