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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC vs.
Revision 1.471 by root, Mon Apr 27 01:38:48 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use 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
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
85		118
86	our %CFG;	119	our %CFG;
87		120
88	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
90		124
91	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
94		128
95	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		131
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		140
102	binmode STDOUT;	141	binmode STDOUT;
103	binmode STDERR;	142	binmode STDERR;
104		143
105	# read virtual server time, if available	144	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
110	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
111		152
112	mkdir $_	153	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		155
115	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
158		199
159	The raw value load value from the last tick.	200	The raw value load value from the last tick.
160		201
161	=item %cf::CFG	202	=item %cf::CFG
162		203
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	205	from wherever your confdir points to.
165		206
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		208
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
		218
172	=back	219	=back
173		220
174	=cut	221	=cut
175		222
176	BEGIN {	223	BEGIN {
…		…
180	$msg .= "\n"	227	$msg .= "\n"
181	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
182		229
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		231
185	utf8::encode $msg;
186	LOG llevError, $msg;	232	LOG llevError, $msg;
187	};	233	};
188	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
189		250
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	261	for my $pkg (qw(
201	cf::global cf::attachable	262	cf::global cf::attachable
202	cf::object cf::object::player	263	cf::object cf::object::player
203	cf::client cf::player	264	cf::client cf::player
204	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
205	cf::map cf::party cf::region	267	cf::party cf::region
206	)) {	268	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	270	}
210		271
211	$Event::DIED = sub {	272	$EV::DIED = sub {
212	warn "error in event callback: @_";	273	warn "error in event callback: @_";
213	};	274	};
214		275
215	#############################################################################	276	#############################################################################
216		277
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	301	$d
241	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
242	}	303	}
243		304
244	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
245		306
246	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
247		308
248	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
249		310
250	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
251		312
252	=cut	313	=cut
253		314
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		316
256	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
258		333
259	=item cf::lock_wait $string	334	=item cf::lock_wait $string
260		335
261	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
262		337
263	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
264		339
265	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
268	returned.	343	returned.
269		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
270	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
272		350
273	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
274		352
275	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
276		354
277	=cut	355	=cut
278		356
279	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
280		358
281	sub lock_wait($) {	359	sub lock_wait($) {
282	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	361	}
290		362
291	sub lock_acquire($) {	363	sub lock_acquire($) {
292	my ($key) = @_;	364	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	365	}
304		366
305	sub lock_active($) {	367	sub lock_active($) {
306	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	369	}
310		370
311	sub freeze_mainloop {	371	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
313		373
314	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
316	};	435	}
317	$TICK_WATCHER->stop;	436	};
318	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
319	}	450	}
320		451
321	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
322		453
323	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		459
329	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
330		461
331	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
332		463
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	467	acceptable.
337		468
338	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		475
345	sub sync_job(&) {	476	sub sync_job(&) {
346	my ($job) = @_;	477	my ($job) = @_;
347		478
348	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	480	my $time = EV::time;
350		481
351	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
353		484
354	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	486
356	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
357		488
358	my $busy = 1;	489	my $busy = 1;
359	my @res;	490	my @res;
360		491
361	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	494	@res = eval { $job->() };
363	warn $@ if $@;	495	warn $@ if $@;
364	undef $busy;	496	undef $busy;
365	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
366		498
367	while ($busy) {	499	while ($busy) {
368	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
369	}	504	}
		505	}
370		506
371	$time = Event::time - $time;	507	my $time = EV::time - $time;
372		508
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
377		510
378	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
379	} else {	512	} else {
380	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
381		514
…		…
406	=item fork_call { }, $args	539	=item fork_call { }, $args
407		540
408	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
412		545
413	=cut	546	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		547
424	sub fork_call(&@) {	548	sub fork_call(&@) {
425	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
426		550
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	551	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	552	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	553	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		554
432	if (my $pid = fork) {	555	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	556	reset_signals;
446	local $SIG{__WARN__};	557	&$cb
447	local $SIG{__DIE__};	558	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		559
454	eval {	560	wantarray ? @res : $res[-1]
455	close $fh1;	561	}
456		562
457	my @res = eval { $cb->(@args) };	563	=item $coin = coin_from_name $name
458		564
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	565	=cut
460	close $fh2;
461	};
462		566
463	warn $@ if $@;	567	our %coin_alias = (
464	_exit 0;	568	"silver" => "silvercoin",
465	}	569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
466	}	588	}
467		589
468	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
469		591
470	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
473		595
474	Stores the given C<$value> in the family. It can currently store binary	596	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
477	=cut	604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
478		622
479	our $DB;	623	our $DB;
480		624
481	sub db_init {	625	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	626	cf::sync_job {
486	eval {	627	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	628	};
496	}	629	}
497		630
498	sub db_get($$) {	631	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
500		633
…		…
550	if (1) {	683	if (1) {
551	$md5 =	684	$md5 =
552	join "\x00",	685	join "\x00",
553	$processversion,	686	$processversion,
554	map {	687	map {
555	Coro::cede;	688	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	689	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	690	} 0.. $#$src;
558		691
559		692
560	my $dbmd5 = db_get cache => "$id/md5";	693	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		731
599	#############################################################################	732	#############################################################################
600		733
601	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
602		735
603	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
606		739
607	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	742	Deliantra).
610		743
611	=over 4	744	=over 4
612		745
613	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
614		747
…		…
658	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
659		792
660	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
662		795
663	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
665		798
666	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
667		800
668	=over 4	801	=over 4
…		…
866	";	999	";
867	die if $@;	1000	die if $@;
868	}	1001	}
869		1002
870	our $override;	1003	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1005
873	sub override {	1006	sub override {
874	$override = 1;	1007	$override = 1;
875	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
876	}	1009	}
877		1010
878	sub do_invoke {	1011	sub do_invoke {
879	my $event = shift;	1012	my $event = shift;
880	my $callbacks = shift;	1013	my $callbacks = shift;
881		1014
882	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
883		1016
884	local $override;	1017	local $override;
885		1018
886	for (@$callbacks) {	1019	for (@$callbacks) {
887	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
896	}	1029	}
897		1030
898	0	1031	0
899	}	1032	}
900		1033
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1035
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1037
905	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
906		1039
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1043
911	=back	1044	=back
912		1045
913	=cut	1046	=cut
914		1047
915	#############################################################################	1048	#############################################################################
916	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
917		1092
918	sub reattach {	1093	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1095	my ($obj) = @_;
921		1096
		1097	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1099
924	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
925		1101
926	@$registry = ();	1102	@$registry = ();
927		1103
…		…
942	cf::attachable->attach (	1118	cf::attachable->attach (
943	prio => -1000000,	1119	prio => -1000000,
944	on_instantiate => sub {	1120	on_instantiate => sub {
945	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
946		1122
947	$data = from_json $data;	1123	$data = decode_json $data;
948		1124
949	for (@$data) {	1125	for (@$data) {
950	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
951		1127
952	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1144	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
970		1146
971	sync_job {	1147	sync_job {
972	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
975		1152
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1157	aio_close $fh;
981		1158
982	if (@$objs) {	1159	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1165	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
990	}	1167	}
991	} else {	1168	} else {
992	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
993	}	1170	}
994		1171
995	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1176	} else {
997	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
998	}	1178	}
999	} else {	1179	} else {
1000	aio_unlink $filename;	1180	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1002	}	1182	}
1003	}	1183	};
1004	}	1184	}
1005		1185
1006	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1008		1188
…		…
1020	or return;	1200	or return;
1021		1201
1022	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1204	or return;
		1205
1025	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1026	}	1208	}
1027		1209
		1210	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1030	return ($data, $av);	1214	($data, $av)
1031	}	1215	}
1032		1216
1033	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1034		1218
1035	=over 4	1219	=over 4
…		…
1089	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1090		1274
1091	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1092	}	1276	}
1093		1277
		1278	use File::Glob ();
		1279
1094	cf::player->attach (	1280	cf::player->attach (
1095	on_command => sub {	1281	on_command => sub {
1096	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1097		1283
1098	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1108	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
1109		1295
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1297
1112	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
1118	} else {	1313	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1315	}
1121		1316
1122	cf::override;	1317	cf::override;
1123	},	1318	},
1124	);	1319	);
		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
1125		1333
1126	sub load_extensions {	1334	sub load_extensions {
1127	cf::sync_job {	1335	cf::sync_job {
1128	my %todo;	1336	my %todo;
1129		1337
…		…
1149		1357
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1360
1153	$ext{source} =	1361	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1156	. $source	1364	. $source
1157	. "\n};\n1";	1365	. "\n};\n1";
1158		1366
1159	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1177		1385
1178	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1387	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1389	}
1183		1390
1184	warn $msg;	1391	warn $msg;
1185	}	1392	}
1186		1393
…		…
1200		1407
1201	=back	1408	=back
1202		1409
1203	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1204		1411
1205	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1206		1413
1207	=cut	1414	=cut
1208		1415
1209	package cf::player;	1416	package cf::player;
1210		1417
1211	use Coro::AIO;	1418	use Coro::AIO;
1212		1419
1213	=head3 cf::player	1420	=head3 cf::player
1214		1421
1215	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1216		1437
1217	=item cf::player::find $login	1438	=item cf::player::find $login
1218		1439
1219	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1220		1441
…		…
1239		1460
1240	sub exists($) {	1461	sub exists($) {
1241	my ($login) = @_;	1462	my ($login) = @_;
1242		1463
1243	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1245	}	1466	}
1246		1467
1247	sub find($) {	1468	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1470	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1481
1261	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1264	}	1491	}
1265	}	1492	}
1266	}	1493	}
1267		1494
…		…
1276	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1277		1504
1278	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1280		1507
		1508	cf::get_slot 0.01;
		1509
1281	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1282	Coro::cede;	1511	cf::cede_to_tick;
1283	}	1512	}
1284		1513
1285	sub new($) {	1514	sub new($) {
1286	my ($login) = @_;	1515	my ($login) = @_;
1287		1516
…		…
1293	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1294		1523
1295	$self	1524	$self
1296	}	1525	}
1297		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1298	=item $pl->quit_character	1537	=item $pl->quit_character
1299		1538
1300	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1302		1541
…		…
1306	my ($pl) = @_;	1545	my ($pl) = @_;
1307		1546
1308	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1309		1548
1310	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1551
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1317		1558
1318	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1596	or return [];
1356		1597
1357	my @logins;	1598	my @logins;
1358		1599
1359	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1363		1610
1364	utf8::decode $login;	1611	utf8::decode $login;
1365	push @logins, $login;	1612	push @logins, $login;
1366	}	1613	}
1367		1614
…		…
1394	}	1641	}
1395		1642
1396	\@paths	1643	\@paths
1397	}	1644	}
1398		1645
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1647
1401	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1402		1649
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1450		1651
1451	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1452		1653
1453	=cut	1654	=cut
1454		1655
1455	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1457		1658
1458	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1660	}
1461		1661
1462	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1463		1663
1464	Sends an ext event to the client.	1664	Sends an ext event to the client.
1465		1665
1466	=cut	1666	=cut
1467		1667
1468	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1470		1670
1471	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1472	}	1672	}
1473		1673
1474	=head3 cf::region	1674	=head3 cf::region
1475		1675
1476	=over 4	1676	=over 4
…		…
1520	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1522		1722
1523	sub generate_random_map {	1723	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1525	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1729	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1651		1854
1652	# the temporary/swap location	1855	# the temporary/swap location
1653	sub save_path {	1856	sub save_path {
1654	my ($self) = @_;	1857	my ($self) = @_;
1655		1858
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1658	}	1861	}
1659		1862
1660	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1661	sub uniq_path {	1864	sub uniq_path {
1662	my ($self) = @_;	1865	my ($self) = @_;
1663		1866
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1869	}
1676		1870
1677	sub decay_objects {	1871	sub decay_objects {
1678	my ($self) = @_;	1872	my ($self) = @_;
1679		1873
…		…
1692		1886
1693	sub load_header_from($) {	1887	sub load_header_from($) {
1694	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1695		1889
1696	utf8::encode $path;	1890	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1702		1899
1703	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1704		1901
1705	1	1902	1
1706	}	1903	}
…		…
1760	sub find {	1957	sub find {
1761	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1762		1959
1763	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1764		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1766		1964
1767	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1770	or return;	1967	or return;
1771		1968
1772	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1773		1970
…		…
1775	or return;	1972	or return;
1776		1973
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1780	$map->reset;	1979	$map->reset;
1781	undef $guard;
1782	return find $path;	1980	return find $path;
1783	}	1981	}
1784		1982
1785	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1786	}	1984	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1796		1994
1797	my $path = $self->{path};	1995	my $path = $self->{path};
1798		1996
1799	{	1997	{
1800	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1801		1999
		2000	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2002
1804	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1805		2004
1806	$self->alloc;	2005	$self->alloc;
1807		2006
1808	$self->pre_load;	2007	$self->pre_load;
1809	Coro::cede;	2008	cf::cede_to_tick;
1810		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1812	or return;	2013	or return;
1813		2014
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1815	if delete $self->{load_original};	2016	if delete $self->{load_original};
1816		2017
1817	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2019	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2022	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1822	}	2026	}
1823	}	2027	}
1824		2028
1825	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1826	# now do the right thing for maps	2032	# now do the right thing for maps
1827	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2035	unless $self->difficulty;
1830	Coro::cede;	2036	cf::cede_to_tick;
1831		2037
1832	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2039	$self->decay_objects;
1834	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1835	$self->update_buttons;	2041	$self->update_buttons;
1836	Coro::cede;	2042	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2043	$self->activate;
1840	}	2044	}
1841		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2050	}
1844		2051
1845	$self->post_load;	2052	$self->post_load;
1846	}	2053	}
1847		2054
…		…
1856		2063
1857	$self	2064	$self
1858	}	2065	}
1859		2066
1860	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2068	sub load_neighbours {
1862	my ($map) = @_;	2069	my ($map) = @_;
1863		2070
1864	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1865		2072
1866	for (0 .. 3) {	2073	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1868	or next;	2075	or next;
1869	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1870	or next;	2077	or next;
1871	$neigh->load;	2078	$neigh->load;
1872		2079
		2080	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2083	}
1876		2084
1877	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1879	or next;	2088	or next;
1880	$neigh->load;	2089	$neigh->load;
1881	}	2090	}
1882	}	2091	}
1883		2092
…		…
1888	}	2097	}
1889		2098
1890	sub do_load_sync {	2099	sub do_load_sync {
1891	my ($map) = @_;	2100	my ($map) = @_;
1892		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1893	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1894	}	2106	}
1895		2107
1896	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1898		2110
1899	sub find_async {	2111	sub find_async {
1900	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1901		2113
1902	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1903		2115
1904	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2118	}
1907		2119
1908	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1909	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1910	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2127	if (my $map = find $k) {
1913	$map->load;	2128	$map->load if $v;
1914	}	2129	}
1915		2130
1916	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1917	}	2132	}
1918	}	2133	}
1919	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1920	};	2135	};
1921	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2139	}
1925		2140
1926	sub save {	2141	sub save {
1927	my ($self) = @_;	2142	my ($self) = @_;
1928		2143
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2145
1931	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1932		2147
1933	return unless $self->dirty;	2148	return unless $self->dirty;
1934		2149
…		…
1940	return if $self->{deny_save};	2155	return if $self->{deny_save};
1941		2156
1942	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1943		2158
1944	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1946	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1947		2165
1948	if ($uniq) {	2166	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2169	} else {
…		…
1957	my ($self) = @_;	2175	my ($self) = @_;
1958		2176
1959	# save first because save cedes	2177	# save first because save cedes
1960	$self->save;	2178	$self->save;
1961		2179
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2181
1964	return if $self->players;	2182	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2184	return if $self->{deny_save};
1967		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2190	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2191	}
1971		2192
1972	sub reset_at {	2193	sub reset_at {
1973	my ($self) = @_;	2194	my ($self) = @_;
1974		2195
…		…
2006	if $uniq;	2227	if $uniq;
2007	}	2228	}
2008		2229
2009	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
2010		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2234	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2235
2015	$self->unlink_save;	2236	$self->unlink_save;
2016	$self->destroy;	2237	$self->destroy;
2017	}	2238	}
2018		2239
2019	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
2020		2241
2021	sub nuke {	2242	sub nuke {
2022	my ($self) = @_;	2243	my ($self) = @_;
2023		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
2024	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
2025		2249
2026	$self->unlink_save;	2250	$self->unlink_save;
2027		2251
2028	bless $self, "cf::map";	2252	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2257
2034	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
2035		2260
2036	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
2037	}	2262	}
2038		2263
2039	=item $maps = cf::map::tmp_maps	2264	=item $maps = cf::map::tmp_maps
…		…
2081		2306
2082	sub unique_maps() {	2307	sub unique_maps() {
2083	[	2308	[
2084	map {	2309	map {
2085	utf8::decode $_;	2310	utf8::decode $_;
2086	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2087	? normalise $_	2314	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2316	]
2091	}	2317	}
2092		2318
2093	package cf;
2094
2095	=back	2319	=back
2096		2320
2097	=head3 cf::object	2321	=head3 cf::object
2098		2322
2099	=cut	2323	=cut
…		…
2102		2326
2103	=over 4	2327	=over 4
2104		2328
2105	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2106		2330
2107	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2108		2333
2109	=cut	2334	=cut
2110		2335
2111	sub inv_recursive_;	2336	sub inv_recursive_;
2112	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2115		2340
2116	sub inv_recursive {	2341	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2118	}	2343	}
2119		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
2120	package cf;	2373	package cf;
2121		2374
2122	=back	2375	=back
2123		2376
2124	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2133		2386
2134	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
2135		2402
2136	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2404	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
2146		2413
2147	} else {	2414	} else {
2148	my $pl = $self->contr;	2415	my $pl = $self->contr;
2149		2416
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2420
2159	} else {	2421	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2424	}
2163	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
2164	}	2436	}
2165		2437
2166	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
2167		2439
2168	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
2181		2453
2182	=item $player_object->enter_link	2454	=item $player_object->enter_link
2183		2455
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2457
2186	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2188		2462
2189	Will never block.	2463	Will never block.
2190		2464
2191	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2192		2466
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
2250		2524
2251	$map->load;	2525	$map->load;
2252	$map->load_diag;	2526	$map->load_neighbours;
2253		2527
2254	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2255	$self->activate_recursive;	2530	$self->activate_recursive;
2256		2531
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2259	}	2534	}
…		…
2264	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2542	be called at the end of this process.
2268		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
		2546
2269	=cut	2547	=cut
2270		2548
2271	our $GOTOGEN;	2549	our $GOTOGEN;
2272		2550
2273	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
…		…
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2556
2279	$self->enter_link;	2557	$self->enter_link;
2280		2558
2281	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
2282	my $map = eval {	2581	my $map = eval {
2283	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
2284		2583
2285	if ($map) {	2584	if ($map) {
2286	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
2288	} else {	2587	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2589	}
2291		2590
2292	$map	2591	$map
2293	};	2592	};
2294		2593
…		…
2330	}	2629	}
2331		2630
2332	sub prepare_random_map {	2631	sub prepare_random_map {
2333	my ($exit) = @_;	2632	my ($exit) = @_;
2334		2633
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2636	# that depends on the exit object
2340		2637
2341	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2640	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2348	}	2647	}
2349		2648
2350	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2351		2650
2352	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2355		2654
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2657	undef $fh;
2359	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2360		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2363	}	2666	}
2364	}	2667	}
2365		2668
2366	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2368		2671
2369	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2370		2673
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2674	$self->enter_link;
2383		2675
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2676	(async {
2389	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2390	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2391	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2392		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2393	1;	2700	1
2394	}) {	2701	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2706
2400	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2419		2726
2420	utf8::encode $text;	2727	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2729	}
2423		2730
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2732
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2733	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2734	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2430		2737
2431	=cut	2738	=cut
2432		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	"c/party" => {
		2827	id => "party",
		2828	title => "Party",
		2829	reply => "gsay ",
		2830	tooltip => "Messages and chat related to your party",
		2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
		2840	);
		2841
2433	sub cf::client::send_msg {	2842	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	2843	my ($self, $channel, $msg, $color, @extra) = @_;
2435		2844
2436	$msg = $self->pl->expand_cfpod ($msg);	2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
		2847
		2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2849
		2850	# check predefined channels, for the benefit of C
		2851	if ($CHANNEL{$channel}) {
		2852	$channel = $CHANNEL{$channel};
		2853
		2854	$self->ext_msg (channel_info => $channel);
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel);
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
2437		2866
2438	return unless @extra || length $msg;	2867	return unless @extra || length $msg;
2439		2868
2440	if ($self->can_msg) {	2869	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	2871	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		2872
2453	if ($color >= 0) {	2873	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	2874	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	2876	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		2877
		2878	# try lzf for large packets
		2879	$pkt = "lzf " . Compress::LZF::compress $pkt
		2880	if 1024 <= length $pkt and $self->{can_lzf};
		2881
		2882	# split very large packets
		2883	if (8192 < length $pkt and $self->{can_lzf}) {
		2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2885	$pkt = "frag";
		2886	}
		2887
		2888	$self->send_packet ($pkt);
		2889	}
		2890
2464	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2465		2892
2466	Sends an ext event to the client.	2893	Sends an ext event to the client.
2467		2894
2468	=cut	2895	=cut
2469		2896
2470	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2472		2899
2473	return unless $self->extcmd;	2900	if ($self->extcmd == 2) {
2474		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
2477	}	2924	}
2478		2925
2479	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2480		2927
2481	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	2983	my ($ns, $buf) = @_;
2537		2984
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		2986
2540	if (ref $msg) {	2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2995	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	2996	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
2547	} else {	3002	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3004	}
2550		3005
2551	cf::override;	3006	cf::override;
…		…
2598	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2600		3055
2601	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2602		3057
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2604		3063
2605	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2606		3065
2607	=pod	3066	=pod
2608		3067
2609	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2610		3069
2611	cf::object	3070	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3071	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3072	insert remove name archname title slaying race decrease split
		3073	value
2614		3074
2615	cf::object::player	3075	cf::object::player
2616	player	3076	player
2617		3077
2618	cf::player	3078	cf::player
…		…
2623		3083
2624	=cut	3084	=cut
2625		3085
2626	for (	3086	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3088	insert remove inv nrof name archname title slaying race
		3089	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
2632	) {	3093	) {
2633	no strict 'refs';	3094	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2652	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
2653		3114
2654	my $qcode = $code;	3115	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
2657		3120
2658	local $_;	3121	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
2660		3123
2661	my $eval =	3124	my $eval =
…		…
2709	# the server's init and main functions	3172	# the server's init and main functions
2710		3173
2711	sub load_facedata($) {	3174	sub load_facedata($) {
2712	my ($path) = @_;	3175	my ($path) = @_;
2713		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3182
2714	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2715		3184
2716	my $facedata;	3185	my $facedata;
2717	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
2718	or die "$path: $!";	3187	or die "$path: $!";
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2721		3190
2722	$facedata->{version} == 2	3191	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2725	{	3201	{
2726	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2727		3203
2728	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2730	cf::face::set_visibility $idx, $info->{visibility};	3207	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3208	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2734		3211
2735	cf::cede_to_tick;	3212	cf::cede_to_tick;
2736	}	3213	}
2737		3214
2738	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2740	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2741	or next;	3219	or next;
		3220
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3222	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3224	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2763		3242
2764	{	3243	{
2765	# TODO: for gcfclient pleasure, we should give resources	3244	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.	3245	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3246	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3247
2770	while (my ($name, $info) = each %$res) {	3248	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3249	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
2778		3252
2779	if ($name =~ /\.jpg$/) {	3253	if ($info->{type} & 1) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3254	# prepend meta info
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
2782	} else {	3268	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3269	$RESOURCE{$name} = $info;
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3270	}
2789		3271
2790	cf::cede_to_tick;	3272	cf::cede_to_tick;
2791	}	3273	}
2792	}	3274	}
2793		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2794	1	3278	1
2795	}	3279	}
2796		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub load_resource_file($) {
		3310	my $guard = lock_acquire "load_resource_file";
		3311
		3312	my $status = load_resource_file_ $_[0];
		3313	get_slot 0.1, 100;
		3314	cf::arch::commit_load;
		3315
		3316	$status
		3317	}
		3318
2797	sub reload_regions {	3319	sub reload_regions {
		3320	# HACK to clear player env face cache, we need some signal framework
		3321	# for this (global event?)
		3322	%ext::player_env::MUSIC_FACE_CACHE = ();
		3323
2798	load_resource_file "$MAPDIR/regions"	3324	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3325	or die "unable to load regions file\n";
2800		3326
2801	for (cf::region::list) {	3327	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3328	$_->{match} = qr/$_->{match}/
…		…
2810	}	3336	}
2811		3337
2812	sub reload_archetypes {	3338	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3339	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3340	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3341	}
2821		3342
2822	sub reload_treasures {	3343	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3344	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3345	or die "unable to load treasurelists\n";
2825	}	3346	}
2826		3347
2827	sub reload_resources {	3348	sub reload_resources {
2828	warn "reloading resource files...\n";	3349	warn "reloading resource files...\n";
2829		3350
		3351	reload_facedata;
		3352	reload_archetypes;
2830	reload_regions;	3353	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3354	reload_treasures;
2835		3355
2836	warn "finished reloading resource files\n";	3356	warn "finished reloading resource files\n";
2837	}	3357	}
2838		3358
2839	sub init {	3359	sub reload_config {
2840	reload_resources;
2841	}
2842
2843	sub cfg_load {
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2845	or return;	3361	or return;
2846		3362
2847	local $/;	3363	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2849		3365
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2851		3367
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2859	};	3375	};
2860	warn $@ if $@;	3376	warn $@ if $@;
2861	}	3377	}
2862	}	3378	}
2863		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
2864	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
2865	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3417	(async {
2869	Event::one_event;	3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3419	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3420	})->prio (Coro::PRIO_MAX);
2871	};	3421	};
2872		3422
2873	cfg_load;	3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	cf::sync_job {
		3426	reload_resources;
		3427	reload_config;
2874	db_init;	3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
2875	load_extensions;	3441	load_extensions;
2876		3442
2877	$TICK_WATCHER->start;	3443	utime time, time, $RUNTIMEFILE;
		3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
		3449	};
		3450
2878	Event::loop;	3451	EV::loop;
2879	}	3452	}
2880		3453
2881	#############################################################################	3454	#############################################################################
2882	# initialisation and cleanup	3455	# initialisation and cleanup
2883		3456
2884	# install some emergency cleanup handlers	3457	# install some emergency cleanup handlers
2885	BEGIN {	3458	BEGIN {
		3459	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3460	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3461	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3462	cf::cleanup "SIG$signal";
2894	},
2895	);	3463	};
2896	}	3464	}
2897	}	3465	}
2898		3466
2899	sub write_runtime {	3467	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";
2901
2902	# first touch the runtime file to show we are still running:	3468	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3469	# the fsync below can take a very very long time.
2904		3470
2905	IO::AIO::aio_utime $runtime, undef, undef;	3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3472
2907	my $guard = cf::lock_acquire "write_runtime";	3473	my $guard = cf::lock_acquire "write_runtime";
2908		3474
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2910	or return;	3476	or return;
2911		3477
2912	my $value = $cf::RUNTIME + 90 + 10;	3478	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3479	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3480	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3490	aio_utime $fh, undef, undef;
2925		3491
2926	close $fh	3492	close $fh
2927	or return;	3493	or return;
2928		3494
2929	aio_rename "$runtime~", $runtime	3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3496	and return;
2931		3497
2932	warn "runtime file written.\n";	3498	warn "runtime file written.\n";
2933		3499
2934	1	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
		3525	$uuid_skip = 0;
		3526
		3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3528	and return;
		3529
		3530	# always fsync - this file is important
		3531	aio_fsync $fh
		3532	and return;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$uuid~", $uuid
		3538	and return;
		3539
		3540	warn "uuid file written ($value).\n";
		3541
		3542	1
		3543
		3544	}
		3545
		3546	sub write_uuid($$) {
		3547	my ($skip, $sync) = @_;
		3548
		3549	$sync ? write_uuid_sync $skip
		3550	: async { write_uuid_sync $skip };
2935	}	3551	}
2936		3552
2937	sub emergency_save() {	3553	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
2939		3555
2940	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
2941		3557
2942	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
2943	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3570	$pl->valid or next;
		3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3572	$pl->save;
2951	}	3573	}
2952	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
2953		3575
2954	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3579	$map->valid or next;
2958	$map->save;	3580	$map->save;
2959	}	3581	}
2960	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
2961		3583
2962	warn "begin emergency database checkpoint\n";	3584	warn "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3585	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3586	warn "emergency_perl_save: end database checkpoint\n";
		3587
		3588	warn "emergency_perl_save: begin write uuid\n";
		3589	write_uuid_sync 1;
		3590	warn "emergency_perl_save: end write uuid\n";
2965	};	3591	};
2966		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
2967	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
2968	}	3599	}
2969		3600
2970	sub post_cleanup {	3601	sub post_cleanup {
2971	my ($make_core) = @_;	3602	my ($make_core) = @_;
2972		3603
2973	warn Carp::longmess "post_cleanup backtrace"	3604	warn Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3605	if $make_core;
		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
2975	}	3635	}
2976		3636
2977	sub do_reload_perl() {	3637	sub do_reload_perl() {
2978	# can/must only be called in main	3638	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
2980	warn "can only reload from main coroutine";	3640	warn "can only reload from main coroutine";
2981	return;	3641	return;
2982	}	3642	}
2983		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
2984	warn "reloading...";	3649	warn "reloading...";
2985		3650
2986	warn "entering sync_job";	3651	warn "entering sync_job";
2987		3652
2988	cf::sync_job {	3653	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark	3654	cf::write_runtime_sync; # external watchdog should not bark
2990	cf::emergency_save;	3655	cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark	3656	cf::write_runtime_sync; # external watchdog should not bark
2992		3657
2993	warn "syncing database to disk";	3658	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
2995		3660
2996	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
2997		3662
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";	3663	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;	3664	while (IO::AIO::nreqs || BDB::nreqs) {
3009	warn "iterate...";	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();
3017
3018	warn "removing commands";
3019	%COMMAND = ();
3020
3021	warn "removing ext/exti commands";
3022	%EXTCMD = ();
3023	%EXTICMD = ();
3024
3025	warn "unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";
3028
3029	if (my $cb = $pkg->can ("unload")) {
3030	eval {
3031	$cb->($pkg);
3032	1
3033	} or warn "$pkg unloaded, but with errors: $@";
3034	}	3666	}
3035		3667
3036	warn "... nuking $pkg";	3668	warn "cancelling all extension coros";
3037	Symbol::delete_package $pkg;	3669	$_->cancel for values %EXT_CORO;
3038	}	3670	%EXT_CORO = ();
3039		3671
3040	warn "unloading all perl modules loaded from $LIBDIR";	3672	warn "removing commands";
3041	while (my ($k, $v) = each %INC) {	3673	%COMMAND = ();
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
3044	warn "... unloading $k";	3681	warn "... unloading $pkg";
3045	delete $INC{$k};
3046		3682
3047	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;
3049
3050	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
3051	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
3052	}	3692	}
3053		3693
3054	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
3055	}	3709	}
3056		3710
3057	warn "getting rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		3714
3061	warn "unloading cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		3718
3065	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3720	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
3068		3722
3069	warn "unload completed, starting to reload now";	3723	warn "unload completed, starting to reload now";
3070		3724
3071	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
3072	require cf;	3726	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3074		3728
3075	warn "loading config and database again";	3729	warn "loading config and database again";
3076	cf::cfg_load;	3730	cf::reload_config;
3077		3731
3078	warn "loading extensions";	3732	warn "loading extensions";
3079	cf::load_extensions;	3733	cf::load_extensions;
3080		3734
		3735	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	3737	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	3738	warn "reattaching attachments to maps";
3084	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	3740	warn "reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	3741	reattach $_ for values %PLAYER;
		3742	}
3087		3743
		3744	warn "running post_init jobs";
		3745	(pop @POST_INIT)->(1) while @POST_INIT;
		3746
3088	warn "leaving sync_job";	3747	warn "leaving sync_job";
3089		3748
3090	1	3749	1
3091	} or do {	3750	} or do {
3092	warn $@;	3751	warn $@;
3093	warn "error while reloading, exiting.";	3752	cf::cleanup "error while reloading, exiting.";
3094	exit 1;
3095	};	3753	};
3096		3754
3097	warn "reloaded";	3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
3098	};	3761	};
3099		3762
3100	our $RELOAD_WATCHER; # used only during reload	3763	our $RELOAD_WATCHER; # used only during reload
3101		3764
3102	sub reload_perl() {	3765	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	3766	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	3767	# coro crashes during coro_state_free->destroy here.
3105		3768
3106	$RELOAD_WATCHER ||= Event->timer (	3769	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	3770	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	3771
3109	data => WF_AUTOCANCEL,	3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	3773	do_reload_perl;
3112	undef $RELOAD_WATCHER;	3774	undef $RELOAD_WATCHER;
3113	},	3775	};
3114	);	3776	};
3115	}	3777	}
3116		3778
3117	register_command "reload" => sub {	3779	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
3119		3781
3120	if ($who->flag (FLAG_WIZ)) {	3782	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	3783	$who->message ("reloading server.");
		3784	async {
		3785	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	3786	reload_perl;
		3787	};
3123	}	3788	}
3124	};	3789	};
3125		3790
3126	unshift @INC, $LIBDIR;	3791	unshift @INC, $LIBDIR;
3127		3792
…		…
3129		3794
3130	our @WAIT_FOR_TICK;	3795	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	3796	our @WAIT_FOR_TICK_BEGIN;
3132		3797
3133	sub wait_for_tick {	3798	sub wait_for_tick {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	3799	return if tick_inhibit || $Coro::current == $Coro::main;
3136		3800
3137	my $signal = new Coro::Signal;	3801	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	3802	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	3803	$signal->wait;
3140	}	3804	}
3141		3805
3142	sub wait_for_tick_begin {	3806	sub wait_for_tick_begin {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	3807	return if tick_inhibit || $Coro::current == $Coro::main;
3145		3808
3146	my $signal = new Coro::Signal;	3809	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	3810	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	3811	$signal->wait;
3149	}	3812	}
3150		3813
3151	my $min = 1e6;#d#	3814	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	3815	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3816	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	3817	unless ++$bug_warning > 10;
3163	return;	3818	return;
3164	}	3819	}
3165		3820
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	3821	cf::server_tick; # one server iteration
3169		3822
3170	0 && sync_job {#d#	3823	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3171	for(1..10) {	3824	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3172	my $t = Event::time;	3825	Coro::async_pool {
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3826	$Coro::current->{desc} = "runtime saver";
3174	or die;	3827	write_runtime_sync
3175		3828	or warn "ERROR: unable to write runtime file: $!";
3176	$map->width (50);
3177	$map->height (50);
3178	$map->alloc;
3179	$map->_load_objects ("/tmp/x.map", 1);
3180	my $t = Event::time - $t;
3181
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	3829	};
		3830	}
3192		3831
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3832	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	3833	$sig->send;
3209	}	3834	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	3835	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	3836	$sig->send;
3212	}	3837	}
3213		3838
3214	$NOW = Event::time;	3839	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3840	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		3841
3225	_post_tick;	3842	if (0) {
3226		3843	if ($NEXT_TICK) {
3227		3844	my $jitter = $TICK_START - $NEXT_TICK;
		3845	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3846	warn "jitter $JITTER\n";#d#
		3847	}
3228	},	3848	}
3229	);	3849	}
3230		3850
3231	{	3851	{
3232	BDB::max_poll_time $TICK * 0.1;	3852	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	3853
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	3854	BDB::min_parallel 8;
3242		3855	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	3856	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		3857
3258	unless ($DB_ENV) {	3858	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	3859	$DB_ENV = BDB::db_env_create;
		3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		3865
3261	cf::sync_job {	3866	cf::sync_job {
3262	eval {	3867	eval {
3263	BDB::db_env_open	3868	BDB::db_env_open
3264	$DB_ENV,	3869	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3871	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3872	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	3873	0666;
3269		3874
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3875	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	3876	};
3275		3877
3276	cf::cleanup "db_env_open(db): $@" if $@;	3878	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	3879	};
3278	}	3880	}
		3881
		3882	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3883	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3884	};
		3885	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3886	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3887	};
		3888	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3889	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3890	};
3279	}	3891	}
3280		3892
3281	{	3893	{
		3894	# configure IO::AIO
		3895
3282	IO::AIO::min_parallel 8;	3896	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	3897	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	3898	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	3899	}
3295		3900
3296	my $_log_backtrace;	3901	my $_log_backtrace;
3297		3902
3298	sub _log_backtrace {	3903	sub _log_backtrace {
…		…
3301	$msg =~ s/\n//;	3906	$msg =~ s/\n//;
3302		3907
3303	# limit the # of concurrent backtraces	3908	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	3909	if ($_log_backtrace < 2) {
3305	++$_log_backtrace;	3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
3306	async {	3912	async {
		3913	$Coro::current->{desc} = "abt $msg";
		3914
3307	my @bt = fork_call {	3915	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	3916	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3917	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3918	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	3919	or die "addr2line: $!";
…		…
3319	}	3927	}
3320		3928
3321	@funcs	3929	@funcs
3322	};	3930	};
3323		3931
3324	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	3934	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	3935	--$_log_backtrace;
3327	};	3936	};
3328	} else {	3937	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	3939	LOG llevInfo, "[ABT] [suppressed]\n";
3331	}	3940	}
3332	}	3941	}
3333		3942
3334	# load additional modules	3943	# load additional modules
3335	use cf::pod;	3944	require "cf/$_.pm" for @EXTRA_MODULES;
3336		3945
3337	END { cf::emergency_save }	3946	END { cf::emergency_save }
3338		3947
3339	1	3948	1
3340		3949

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