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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
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 off
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;
85		116
86	our %CFG;	117	our %CFG;
87		118
88	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
90		122
91	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
94		126
95	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		129
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		138
102	binmode STDOUT;	139	binmode STDOUT;
103	binmode STDERR;	140	binmode STDERR;
104		141
105	# read virtual server time, if available	142	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
110	}	147	}
111		148
112	mkdir $_	149	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		195
159	The raw value load value from the last tick.	196	The raw value load value from the last tick.
160		197
161	=item %cf::CFG	198	=item %cf::CFG
162		199
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	201	from wherever your confdir points to.
165		202
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		204
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	223	$msg .= "\n"
187	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
188		225
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		227
191	utf8::encode $msg;
192	LOG llevError, $msg;	228	LOG llevError, $msg;
193	};	229	};
194	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
195		246
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	257	for my $pkg (qw(
207	cf::global cf::attachable	258	cf::global cf::attachable
208	cf::object cf::object::player	259	cf::object cf::object::player
209	cf::client cf::player	260	cf::client cf::player
210	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
211	cf::map cf::party cf::region	263	cf::party cf::region
212	)) {	264	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	266	}
216		267
217	$Event::DIED = sub {	268	$EV::DIED = sub {
218	warn "error in event callback: @_";	269	warn "error in event callback: @_";
219	};	270	};
220		271
221	#############################################################################	272	#############################################################################
222		273
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	297	$d
247	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
248	}	299	}
249		300
250	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
251		302
252	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
253		304
254	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
255		306
256	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
257		308
258	=cut	309	=cut
259		310
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		312
262	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
264		329
265	=item cf::lock_wait $string	330	=item cf::lock_wait $string
266		331
267	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
268		333
269	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
270		335
271	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
274	returned.	339	returned.
275		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
276	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
278		346
279	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
280		348
281	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
282		350
283	=cut	351	=cut
284		352
285	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
286		354
287	sub lock_wait($) {	355	sub lock_wait($) {
288	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	357	}
296		358
297	sub lock_acquire($) {	359	sub lock_acquire($) {
298	my ($key) = @_;	360	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	361	}
310		362
311	sub lock_active($) {	363	sub lock_active($) {
312	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	365	}
316		366
317	sub freeze_mainloop {	367	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
319		369
320	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
322	};	431	}
323	$TICK_WATCHER->stop;	432	};
324	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
325	}	446	}
326		447
327	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
328		449
329	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		455
335	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
336		457
337	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
338		459
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	463	acceptable.
343		464
344	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		471
351	sub sync_job(&) {	472	sub sync_job(&) {
352	my ($job) = @_;	473	my ($job) = @_;
353		474
354	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	476	my $time = EV::time;
356		477
357	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
359		480
360	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	482
362	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
363		484
364	my $busy = 1;	485	my $busy = 1;
365	my @res;	486	my @res;
366		487
367	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	490	@res = eval { $job->() };
369	warn $@ if $@;	491	warn $@ if $@;
370	undef $busy;	492	undef $busy;
371	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
372		494
373	while ($busy) {	495	while ($busy) {
374	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
375	}	500	}
		501	}
376		502
377	$time = Event::time - $time;	503	my $time = EV::time - $time;
378		504
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
383		506
384	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
385	} else {	508	} else {
386	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
387		510
…		…
412	=item fork_call { }, $args	535	=item fork_call { }, $args
413		536
414	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
418		541
419	=cut	542	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		543
430	sub fork_call(&@) {	544	sub fork_call(&@) {
431	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
432		546
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		550
438	if (my $pid = fork) {	551	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	552	reset_signals;
452	local $SIG{__WARN__};	553	&$cb
453	local $SIG{__DIE__};	554	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		555
460	eval {	556	wantarray ? @res : $res[-1]
461	close $fh1;	557	}
462		558
463	my @res = eval { $cb->(@args) };	559	=item $coin = coin_from_name $name
464		560
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	561	=cut
466	close $fh2;
467	};
468		562
469	warn $@ if $@;	563	our %coin_alias = (
470	_exit 0;	564	"silver" => "silvercoin",
471	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
472	}	584	}
473		585
474	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
475		587
476	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
479		591
480	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
483	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
484		618
485	our $DB;	619	our $DB;
486		620
487	sub db_init {	621	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	622	cf::sync_job {
492	eval {	623	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	624	};
502	}	625	}
503		626
504	sub db_get($$) {	627	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
506		629
…		…
556	if (1) {	679	if (1) {
557	$md5 =	680	$md5 =
558	join "\x00",	681	join "\x00",
559	$processversion,	682	$processversion,
560	map {	683	map {
561	Coro::cede;	684	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	686	} 0.. $#$src;
564		687
565		688
566	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		727
605	#############################################################################	728	#############################################################################
606		729
607	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
608		731
609	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
612		735
613	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	738	Deliantra).
616		739
617	=over 4	740	=over 4
618		741
619	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
620		743
…		…
664	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
665		788
666	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
668		791
669	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
671		794
672	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
673		796
674	=over 4	797	=over 4
…		…
902	}	1025	}
903		1026
904	0	1027	0
905	}	1028	}
906		1029
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1031
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1033
911	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
912		1035
…		…
918		1041
919	=cut	1042	=cut
920		1043
921	#############################################################################	1044	#############################################################################
922	# object support	1045	# object support
923	#
924		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
925	sub _can_merge {	1080	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1081	my ($ob1, $ob2) = @_;
927		1082
928	local $Storable::canonical = 1;	1083	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1084
932	$fob1 eq $fob2	1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
933	}	1087	}
934		1088
935	sub reattach {	1089	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1091	my ($obj) = @_;
938		1092
		1093	# no longer needed after getting rid of delete_package?
939	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
940		1095
941	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
942		1097
943	@$registry = ();	1098	@$registry = ();
944		1099
…		…
959	cf::attachable->attach (	1114	cf::attachable->attach (
960	prio => -1000000,	1115	prio => -1000000,
961	on_instantiate => sub {	1116	on_instantiate => sub {
962	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
963		1118
964	$data = from_json $data;	1119	$data = decode_json $data;
965		1120
966	for (@$data) {	1121	for (@$data) {
967	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
968		1123
969	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1140	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
987		1142
988	sync_job {	1143	sync_job {
989	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
992		1148
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
997	close $fh;	1153	aio_close $fh;
998		1154
999	if (@$objs) {	1155	if (@$objs) {
1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1001	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1004	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1005	close $fh;	1161	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1163	}
1008	} else {	1164	} else {
1009	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1010	}	1166	}
1011		1167
1012	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1172	} else {
1014	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
1015	}	1174	}
1016	} else {	1175	} else {
1017	aio_unlink $filename;	1176	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1019	}	1178	}
1020	}	1179	};
1021	}	1180	}
1022		1181
1023	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1025		1184
…		…
1037	or return;	1196	or return;
1038		1197
1039	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1200	or return;
		1201
1042	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1043	}	1204	}
1044		1205
		1206	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1047	return ($data, $av);	1210	($data, $av)
1048	}	1211	}
1049		1212
1050	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1051		1214
1052	=over 4	1215	=over 4
…		…
1106	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1107		1270
1108	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1109	}	1272	}
1110		1273
		1274	use File::Glob ();
		1275
1111	cf::player->attach (	1276	cf::player->attach (
1112	on_command => sub {	1277	on_command => sub {
1113	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1114		1279
1115	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1125	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1126		1291
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1293
1129	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1135	} else {	1309	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1311	}
1138		1312
1139	cf::override;	1313	cf::override;
1140	},	1314	},
1141	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1142		1329
1143	sub load_extensions {	1330	sub load_extensions {
1144	cf::sync_job {	1331	cf::sync_job {
1145	my %todo;	1332	my %todo;
1146		1333
…		…
1166		1353
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1356
1170	$ext{source} =	1357	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1172	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1173	. $source	1360	. $source
1174	. "\n};\n1";	1361	. "\n};\n1";
1175		1362
1176	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1192	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1193	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1194		1381
1195	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1196	warn $msg;	1383	warn $msg;
1197	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1198	exit 1;
1199	}	1385	}
1200		1386
1201	warn $msg;	1387	warn $msg;
1202	}	1388	}
1203		1389
…		…
1217		1403
1218	=back	1404	=back
1219		1405
1220	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1221		1407
1222	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1223		1409
1224	=cut	1410	=cut
1225		1411
1226	package cf::player;	1412	package cf::player;
1227		1413
1228	use Coro::AIO;	1414	use Coro::AIO;
1229		1415
1230	=head3 cf::player	1416	=head3 cf::player
1231		1417
1232	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1233		1433
1234	=item cf::player::find $login	1434	=item cf::player::find $login
1235		1435
1236	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1237		1437
…		…
1256		1456
1257	sub exists($) {	1457	sub exists($) {
1258	my ($login) = @_;	1458	my ($login) = @_;
1259		1459
1260	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1262	}	1462	}
1263		1463
1264	sub find($) {	1464	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1466	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1477
1278	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1279	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1280	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1281	}	1487	}
1282	}	1488	}
1283	}	1489	}
1284		1490
…		…
1293	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1294		1500
1295	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1297		1503
		1504	cf::get_slot 0.01;
		1505
1298	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1299	Coro::cede;	1507	cf::cede_to_tick;
1300	}	1508	}
1301		1509
1302	sub new($) {	1510	sub new($) {
1303	my ($login) = @_;	1511	my ($login) = @_;
1304		1512
…		…
1310	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1311		1519
1312	$self	1520	$self
1313	}	1521	}
1314		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1315	=item $pl->quit_character	1533	=item $pl->quit_character
1316		1534
1317	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1319		1537
…		…
1323	my ($pl) = @_;	1541	my ($pl) = @_;
1324		1542
1325	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1326		1544
1327	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1328	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1329		1547
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1331	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1333	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1334		1554
1335	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1372	or return [];	1592	or return [];
1373		1593
1374	my @logins;	1594	my @logins;
1375		1595
1376	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1380		1606
1381	utf8::decode $login;	1607	utf8::decode $login;
1382	push @logins, $login;	1608	push @logins, $login;
1383	}	1609	}
1384		1610
…		…
1411	}	1637	}
1412		1638
1413	\@paths	1639	\@paths
1414	}	1640	}
1415		1641
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1643
1418	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1419		1645
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1467		1647
1468	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1469		1649
1470	=cut	1650	=cut
1471		1651
1472	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1474		1654
1475	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1656	}
1478		1657
1479	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1480		1659
1481	Sends an ext event to the client.	1660	Sends an ext event to the client.
1482		1661
1483	=cut	1662	=cut
1484		1663
1485	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1487		1666
1488	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1489	}	1668	}
1490		1669
1491	=head3 cf::region	1670	=head3 cf::region
1492		1671
1493	=over 4	1672	=over 4
…		…
1537	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1539		1718
1540	sub generate_random_map {	1719	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1542	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1543	$self->_create_random_map (	1725	$self->_create_random_map (
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1668		1850
1669	# the temporary/swap location	1851	# the temporary/swap location
1670	sub save_path {	1852	sub save_path {
1671	my ($self) = @_;	1853	my ($self) = @_;
1672		1854
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1675	}	1857	}
1676		1858
1677	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1678	sub uniq_path {	1860	sub uniq_path {
1679	my ($self) = @_;	1861	my ($self) = @_;
1680		1862
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1683	}	1865	}
1684		1866
1685	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1686	# all maps in C++...	1868	# all maps in C++...
…		…
1709		1891
1710	sub load_header_from($) {	1892	sub load_header_from($) {
1711	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1712		1894
1713	utf8::encode $path;	1895	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1719		1904
1720	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1721		1906
1722	1	1907	1
1723	}	1908	}
…		…
1777	sub find {	1962	sub find {
1778	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1779		1964
1780	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1781		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1783		1969
1784	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1787	or return;	1972	or return;
1788		1973
1789	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1790		1975
…		…
1792	or return;	1977	or return;
1793		1978
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1797	$map->reset;	1984	$map->reset;
1798	undef $guard;
1799	return find $path;	1985	return find $path;
1800	}	1986	}
1801		1987
1802	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1803	}	1989	}
…		…
1812	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1813		1999
1814	my $path = $self->{path};	2000	my $path = $self->{path};
1815		2001
1816	{	2002	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1818		2004
		2005	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1820		2007
1821	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1822		2009
1823	$self->alloc;	2010	$self->alloc;
1824		2011
1825	$self->pre_load;	2012	$self->pre_load;
1826	Coro::cede;	2013	cf::cede_to_tick;
1827		2014
		2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
1828	$self->_load_objects ($self->{load_path}, 1)	2017	$self->_load_objects ($f)
1829	or return;	2018	or return;
1830		2019
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1832	if delete $self->{load_original};	2021	if delete $self->{load_original};
1833		2022
1834	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2024	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2027	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1839	}	2031	}
1840	}	2032	}
1841		2033
1842	Coro::cede;	2034	$f->resolve_delayed_derefs;
		2035
		2036	cf::cede_to_tick;
1843	# now do the right thing for maps	2037	# now do the right thing for maps
1844	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2040	unless $self->difficulty;
1847	Coro::cede;	2041	cf::cede_to_tick;
1848		2042
1849	unless ($self->{deny_activate}) {	2043	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2044	$self->decay_objects;
1851	$self->fix_auto_apply;	2045	$self->fix_auto_apply;
1852	$self->update_buttons;	2046	$self->update_buttons;
1853	Coro::cede;	2047	cf::cede_to_tick;
1854	$self->set_darkness_map;	2048	$self->set_darkness_map;
1855	Coro::cede;	2049	cf::cede_to_tick;
1856	$self->activate;	2050	$self->activate;
1857	}	2051	}
1858		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1860	}	2057	}
1861		2058
1862	$self->post_load;	2059	$self->post_load;
1863	}	2060	}
1864		2061
…		…
1873		2070
1874	$self	2071	$self
1875	}	2072	}
1876		2073
1877	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {	2075	sub load_neighbours {
1879	my ($map) = @_;	2076	my ($map) = @_;
1880		2077
1881	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1882		2079
1883	for (0 .. 3) {	2080	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1885	or next;	2082	or next;
1886	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1887	or next;	2084	or next;
1888	$neigh->load;	2085	$neigh->load;
1889		2086
		2087	push @neigh,
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}	2090	}
1893		2091
1894	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1895	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1896	or next;	2095	or next;
1897	$neigh->load;	2096	$neigh->load;
1898	}	2097	}
1899	}	2098	}
1900		2099
…		…
1905	}	2104	}
1906		2105
1907	sub do_load_sync {	2106	sub do_load_sync {
1908	my ($map) = @_;	2107	my ($map) = @_;
1909		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1910	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1911	}	2113	}
1912		2114
1913	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1915		2117
1916	sub find_async {	2118	sub find_async {
1917	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1918		2120
1919	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1920		2122
1921	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1923	}	2125	}
1924		2126
1925	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1926	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1927	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2134	if (my $map = find $k) {
1930	$map->load;	2135	$map->load if $v;
1931	}	2136	}
1932		2137
1933	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1934	}	2139	}
1935	}	2140	}
1936	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1937	};	2142	};
1938	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1941	}	2146	}
1942		2147
1943	sub save {	2148	sub save {
1944	my ($self) = @_;	2149	my ($self) = @_;
1945		2150
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1947		2152
1948	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1949		2154
1950	return unless $self->dirty;	2155	return unless $self->dirty;
1951		2156
…		…
1957	return if $self->{deny_save};	2162	return if $self->{deny_save};
1958		2163
1959	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1960		2165
1961	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1963	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1964		2172
1965	if ($uniq) {	2173	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2176	} else {
…		…
1974	my ($self) = @_;	2182	my ($self) = @_;
1975		2183
1976	# save first because save cedes	2184	# save first because save cedes
1977	$self->save;	2185	$self->save;
1978		2186
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2188
1981	return if $self->players;	2189	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1983	return if $self->{deny_save};	2191	return if $self->{deny_save};
1984		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1985	$self->clear;	2197	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2198	}
1988		2199
1989	sub reset_at {	2200	sub reset_at {
1990	my ($self) = @_;	2201	my ($self) = @_;
1991		2202
…		…
2023	if $uniq;	2234	if $uniq;
2024	}	2235	}
2025		2236
2026	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
2027		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2241	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2242
2032	$self->unlink_save;	2243	$self->unlink_save;
2033	$self->destroy;	2244	$self->destroy;
2034	}	2245	}
2035		2246
2036	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
2037		2248
2038	sub nuke {	2249	sub nuke {
2039	my ($self) = @_;	2250	my ($self) = @_;
2040		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
2041	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
2042		2256
2043	$self->unlink_save;	2257	$self->unlink_save;
2044		2258
2045	bless $self, "cf::map";	2259	bless $self, "cf::map";
2046	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2264
2051	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
2052		2267
2053	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
2054	}	2269	}
2055		2270
2056	=item $maps = cf::map::tmp_maps	2271	=item $maps = cf::map::tmp_maps
…		…
2098		2313
2099	sub unique_maps() {	2314	sub unique_maps() {
2100	[	2315	[
2101	map {	2316	map {
2102	utf8::decode $_;	2317	utf8::decode $_;
2103	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2104	? normalise $_	2321	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2323	]
2108	}	2324	}
2109		2325
2110	package cf;
2111
2112	=back	2326	=back
2113		2327
2114	=head3 cf::object	2328	=head3 cf::object
2115		2329
2116	=cut	2330	=cut
…		…
2119		2333
2120	=over 4	2334	=over 4
2121		2335
2122	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2123		2337
2124	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2125		2340
2126	=cut	2341	=cut
2127		2342
2128	sub inv_recursive_;	2343	sub inv_recursive_;
2129	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2132		2347
2133	sub inv_recursive {	2348	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2135	}	2350	}
2136		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
2137	package cf;	2380	package cf;
2138		2381
2139	=back	2382	=back
2140		2383
2141	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2148	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2150		2393
2151	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
2152		2409
2153	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2411	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
2163		2420
2164	} else {	2421	} else {
2165	my $pl = $self->contr;	2422	my $pl = $self->contr;
2166		2423
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2427
2176	} else {	2428	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2431	}
2180	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
2181	}	2443	}
2182		2444
2183	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
2184		2446
2185	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
2198		2460
2199	=item $player_object->enter_link	2461	=item $player_object->enter_link
2200		2462
2201	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2202		2464
2203	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2204	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2205		2469
2206	Will never block.	2470	Will never block.
2207		2471
2208	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2209		2473
…		…
2264	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
2267		2531
2268	$map->load;	2532	$map->load;
2269	$map->load_diag;	2533	$map->load_neighbours;
2270		2534
2271	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2272	$self->activate_recursive;	2537	$self->activate_recursive;
2273		2538
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2276	}	2541	}
…		…
2281	her, loading and preparing them map, calling the provided $check callback	2546	her, loading and preparing them map, calling the provided $check callback
2282	that has to return the map if sucecssful, and then unfreezes the player on	2547	that has to return the map if sucecssful, and then unfreezes the player on
2283	the new (success) or old (failed) map position. In either case, $done will	2548	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2549	be called at the end of this process.
2285		2550
		2551	Note that $check will be called with a potentially non-loaded map, so if
		2552	it needs a loaded map it has to call C<< ->load >>.
		2553
2286	=cut	2554	=cut
2287		2555
2288	our $GOTOGEN;	2556	our $GOTOGEN;
2289		2557
2290	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
…		…
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2563
2296	$self->enter_link;	2564	$self->enter_link;
2297		2565
2298	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
2299	my $map = eval {	2588	my $map = eval {
2300	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
2301		2590
2302	if ($map) {	2591	if ($map) {
2303	$map = $map->customise_for ($self);	2592	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2593	$map = $check->($map) if $check && $map;
2305	} else {	2594	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2596	}
2308		2597
2309	$map	2598	$map
2310	};	2599	};
2311		2600
…		…
2347	}	2636	}
2348		2637
2349	sub prepare_random_map {	2638	sub prepare_random_map {
2350	my ($exit) = @_;	2639	my ($exit) = @_;
2351		2640
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2643	# that depends on the exit object
2357		2644
2358	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2647	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2365	}	2654	}
2366		2655
2367	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2368		2657
2369	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2372		2661
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2664	undef $fh;
2376	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2377		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2380	}	2673	}
2381	}	2674	}
2382		2675
2383	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2385		2678
2386	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2387		2680
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2681	$self->enter_link;
2400		2682
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2683	(async {
2406	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
2407	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2408	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2409		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2410	1;	2707	1
2411	}) {	2708	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2416		2713
2417	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	2742	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	2743	the message unless the client supports the msg packet.
2447		2744
2448	=cut	2745	=cut
2449		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
2450	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2452		2813
2453	$msg = $self->pl->expand_cfpod ($msg);	2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
2454		2816
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
2457	if (ref $channel) {	2828	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	2829	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	2830	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	2831	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
2462	}	2834	}
2463		2835
2464	$channel = $channel->{id};	2836	$channel = $channel->{id};
2465	}	2837	}
2466		2838
2467	return unless @extra || length $msg;	2839	return unless @extra || length $msg;
2468		2840
2469	if ($self->can_msg) {	2841	if ($self->can_msg) {
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
2471	} else {	2862	} else {
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481
2482	if ($color >= 0) {	2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
2483	if (0 && $msg =~ /\[/) {	2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
2485	} else {	2881	} else {
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")	2883	$self->send_packet ("drawinfo $color $msg")
2488	}	2884	}
2489	}	2885	}
2490	}	2886	}
2491	}	2887	}
2492		2888
2493	=item $client->ext_event ($type, %msg)	2889	=item $client->ext_msg ($type, @msg)
2494		2890
2495	Sends an ext event to the client.	2891	Sends an ext event to the client.
2496		2892
2497	=cut	2893	=cut
2498		2894
2499	sub cf::client::ext_event($$%) {	2895	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	2896	my ($self, $type, @msg) = @_;
2501		2897
2502	return unless $self->extcmd;	2898	if ($self->extcmd == 2) {
2503		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	2901	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
2506	}	2922	}
2507		2923
2508	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2509		2925
2510	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	2981	my ($ns, $buf) = @_;
2566		2982
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		2984
2569	if (ref $msg) {	2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2993	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	2994	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
2576	} else {	3000	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3002	}
2579		3003
2580	cf::override;	3004	cf::override;
…		…
2627	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2629		3053
2630	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2631		3055
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2633		3061
2634	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2635		3063
2636	=pod	3064	=pod
2637		3065
2638	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2639		3067
2640	cf::object	3068	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3069	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3070	insert remove name archname title slaying race decrease split
2643		3071
2644	cf::object::player	3072	cf::object::player
2645	player	3073	player
2646		3074
2647	cf::player	3075	cf::player
…		…
2652		3080
2653	=cut	3081	=cut
2654		3082
2655	for (	3083	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2658	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2660	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2661	) {	3090	) {
2662	no strict 'refs';	3091	no strict 'refs';
…		…
2738	# the server's init and main functions	3167	# the server's init and main functions
2739		3168
2740	sub load_facedata($) {	3169	sub load_facedata($) {
2741	my ($path) = @_;	3170	my ($path) = @_;
2742		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3177
2743	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2744		3179
2745	my $facedata;	3180	my $facedata;
2746	0 < aio_load $path, $facedata	3181	0 < aio_load $path, $facedata
2747	or die "$path: $!";	3182	or die "$path: $!";
…		…
2749	$facedata = Coro::Storable::thaw $facedata;	3184	$facedata = Coro::Storable::thaw $facedata;
2750		3185
2751	$facedata->{version} == 2	3186	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
2754	{	3196	{
2755	my $faces = $facedata->{faceinfo};	3197	my $faces = $facedata->{faceinfo};
2756		3198
2757	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
2759	cf::face::set_visibility $idx, $info->{visibility};	3202	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3203	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2763		3206
2764	cf::cede_to_tick;	3207	cf::cede_to_tick;
2765	}	3208	}
2766		3209
2767	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2769	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2770	or next;	3214	or next;
		3215
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3217	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3219	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2792		3237
2793	{	3238	{
2794	# TODO: for gcfclient pleasure, we should give resources	3239	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.	3240	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3241	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3242
2799	while (my ($name, $info) = each %$res) {	3243	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3244	if (defined $info->{type}) {
2801	name => $name,
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
2807		3247
2808	if ($name =~ /\.jpg$/) {	3248	if ($info->{type} & 1) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3249	# prepend meta info
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
2811	} else {	3263	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3264	$RESOURCE{$name} = $info;
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3265	}
2818		3266
2819	cf::cede_to_tick;	3267	cf::cede_to_tick;
2820	}	3268	}
2821	}	3269	}
2822		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
2823	1	3273	1
2824	}	3274	}
2825		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
2826	sub reload_regions {	3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
2827	load_resource_file "$MAPDIR/regions"	3319	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3320	or die "unable to load regions file\n";
2829		3321
2830	for (cf::region::list) {	3322	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3323	$_->{match} = qr/$_->{match}/
…		…
2839	}	3331	}
2840		3332
2841	sub reload_archetypes {	3333	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3334	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3336	}
2850		3337
2851	sub reload_treasures {	3338	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
2854	}	3341	}
2855		3342
2856	sub reload_resources {	3343	sub reload_resources {
2857	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2858		3345
		3346	reload_facedata;
		3347	reload_archetypes;
2859	reload_regions;	3348	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3349	reload_treasures;
2864		3350
2865	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
2866	}	3352	}
2867		3353
2868	sub init {	3354	sub reload_config {
2869	reload_resources;
2870	}
2871
2872	sub cfg_load {
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2874	or return;	3356	or return;
2875		3357
2876	local $/;	3358	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2878		3360
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2880		3362
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2888	};	3370	};
2889	warn $@ if $@;	3371	warn $@ if $@;
2890	}	3372	}
2891	}	3373	}
2892		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2893	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2894	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3413	(async {
2898	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2900	};	3417	};
2901		3418
2902	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2903	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2904	load_extensions;	3437	load_extensions;
2905		3438
2906	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2907	Event::loop;	3447	EV::loop;
2908	}	3448	}
2909		3449
2910	#############################################################################	3450	#############################################################################
2911	# initialisation and cleanup	3451	# initialisation and cleanup
2912		3452
2913	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2914	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2923	},
2924	);	3459	};
2925	}	3460	}
2926	}	3461	}
2927		3462
2928	sub write_runtime {	3463	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";
2930
2931	# first touch the runtime file to show we are still running:	3464	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3465	# the fsync below can take a very very long time.
2933		3466
2934	IO::AIO::aio_utime $runtime, undef, undef;	3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3468
2936	my $guard = cf::lock_acquire "write_runtime";	3469	my $guard = cf::lock_acquire "write_runtime";
2937		3470
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2939	or return;	3472	or return;
2940		3473
2941	my $value = $cf::RUNTIME + 90 + 10;	3474	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3475	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3476	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3486	aio_utime $fh, undef, undef;
2954		3487
2955	close $fh	3488	close $fh
2956	or return;	3489	or return;
2957		3490
2958	aio_rename "$runtime~", $runtime	3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3492	and return;
2960		3493
2961	warn "runtime file written.\n";	3494	warn "runtime file written.\n";
2962		3495
2963	1	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2964	}	3547	}
2965		3548
2966	sub emergency_save() {	3549	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2968		3551
2969	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2970		3553
2971	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2972	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3568	$pl->save;
2980	}	3569	}
2981	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2982		3571
2983	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3575	$map->valid or next;
2987	$map->save;	3576	$map->save;
2988	}	3577	}
2989	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2990		3579
2991	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2994	};	3587	};
2995		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2996	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2997	}	3595	}
2998		3596
2999	sub post_cleanup {	3597	sub post_cleanup {
3000	my ($make_core) = @_;	3598	my ($make_core) = @_;
3001		3599
3002	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
3004	}	3631	}
3005		3632
3006	sub do_reload_perl() {	3633	sub do_reload_perl() {
3007	# can/must only be called in main	3634	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
3009	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
3010	return;	3637	return;
3011	}	3638	}
3012		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
3013	warn "reloading...";	3645	warn "reloading...";
3014		3646
3015	warn "entering sync_job";	3647	warn "entering sync_job";
3016		3648
3017	cf::sync_job {	3649	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
3019	cf::emergency_save;	3651	cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
3021		3653
3022	warn "syncing database to disk";	3654	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
3024		3656
3025	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
3026		3658
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
3038	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();
3046
3047	warn "removing commands";
3048	%COMMAND = ();
3049
3050	warn "removing ext/exti commands";
3051	%EXTCMD = ();
3052	%EXTICMD = ();
3053
3054	warn "unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";
3057
3058	if (my $cb = $pkg->can ("unload")) {
3059	eval {
3060	$cb->($pkg);
3061	1
3062	} or warn "$pkg unloaded, but with errors: $@";
3063	}	3662	}
3064		3663
3065	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
3066	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
3067	}	3666	%EXT_CORO = ();
3068		3667
3069	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
3070	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
3073	warn "... unloading $k";	3677	warn "... unloading $pkg";
3074	delete $INC{$k};
3075		3678
3076	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;
3078
3079	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
3080	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
3081	}	3688	}
3082		3689
3083	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
3084	}	3705	}
3085		3706
3086	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		3710
3090	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
3093		3714
3094	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
3095	# and global variables created in xs	3716	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
3097		3718
3098	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
3099		3720
3100	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
3101	require cf;	3722	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3103		3724
3104	warn "loading config and database again";	3725	warn "loading config and database again";
3105	cf::cfg_load;	3726	cf::reload_config;
3106		3727
3107	warn "loading extensions";	3728	warn "loading extensions";
3108	cf::load_extensions;	3729	cf::load_extensions;
3109		3730
		3731	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
3113	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
3116		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
3117	warn "leaving sync_job";	3743	warn "leaving sync_job";
3118		3744
3119	1	3745	1
3120	} or do {	3746	} or do {
3121	warn $@;	3747	warn $@;
3122	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
3123	exit 1;
3124	};	3749	};
3125		3750
3126	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
3127	};	3757	};
3128		3758
3129	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
3130		3760
3131	sub reload_perl() {	3761	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
3134		3764
3135	$RELOAD_WATCHER ||= Event->timer (	3765	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	3766	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	3767
3138	data => WF_AUTOCANCEL,	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	3769	do_reload_perl;
3141	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
3142	},	3771	};
3143	);	3772	};
3144	}	3773	}
3145		3774
3146	register_command "reload" => sub {	3775	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
3148		3777
3149	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
		3780	async {
		3781	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	3782	reload_perl;
		3783	};
3152	}	3784	}
3153	};	3785	};
3154		3786
3155	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
3156		3788
…		…
3158		3790
3159	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
3161		3793
3162	sub wait_for_tick {	3794	sub wait_for_tick {
3163	return unless $TICK_WATCHER->is_active;
3164	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3165		3796
3166	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3167	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;	3799	$signal->wait;
3169	}	3800	}
3170		3801
3171	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
3172	return unless $TICK_WATCHER->is_active;
3173	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
3174		3804
3175	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	3807	$signal->wait;
3178	}	3808	}
3179		3809
3180	my $min = 1e6;#d#	3810	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
3192	return;	3814	return;
3193	}	3815	}
3194		3816
3195	$NOW = $tick_start = Event::time;
3196
3197	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
3198		3818
3199	0 && sync_job {#d#	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	3821	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3822	$Coro::current->{desc} = "runtime saver";
3203	or die;	3823	write_runtime_sync
3204		3824	or warn "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	3825	};
		3826	}
3221		3827
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	3829	$sig->send;
3238	}	3830	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
3240	$sig->send;	3832	$sig->send;
3241	}	3833	}
3242		3834
3243	$NOW = Event::time;	3835	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		3837
3254	_post_tick;	3838	if (0) {
3255		3839	if ($NEXT_TICK) {
3256		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
3257	},	3844	}
3258	);	3845	}
3259		3846
3260	{	3847	{
3261	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	3849
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
3271		3851	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		3853
3287	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		3861
3290	cf::sync_job {	3862	cf::sync_job {
3291	eval {	3863	eval {
3292	BDB::db_env_open	3864	BDB::db_env_open
3293	$DB_ENV,	3865	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	3869	0666;
3298		3870
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	3872	};
3304		3873
3305	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	3875	};
3307	}	3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
3308	}	3887	}
3309		3888
3310	{	3889	{
		3890	# configure IO::AIO
		3891
3311	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	3895	}
3324		3896
3325	my $_log_backtrace;	3897	my $_log_backtrace;
3326		3898
3327	sub _log_backtrace {	3899	sub _log_backtrace {
…		…
3330	$msg =~ s/\n//;	3902	$msg =~ s/\n//;
3331		3903
3332	# limit the # of concurrent backtraces	3904	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	3905	if ($_log_backtrace < 2) {
3334	++$_log_backtrace;	3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
3335	async {	3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
3336	my @bt = fork_call {	3911	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	3912	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	3915	or die "addr2line: $!";
…		…
3348	}	3923	}
3349		3924
3350	@funcs	3925	@funcs
3351	};	3926	};
3352		3927
3353	LOG llevInfo, "[ABT] $msg\n";	3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	3930	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	3931	--$_log_backtrace;
3356	};	3932	};
3357	} else {	3933	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	3934	LOG llevInfo, "[ABT] $msg\n";

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