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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.324 by root, Sat Jul 28 14:23:17 2007 UTC vs.
Revision 1.463 by root, Sun Dec 28 06:59:27 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	}
322	};	372
323	$TICK_WATCHER->stop;	373	=item cf::periodic $interval, $cb
324	$guard	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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
325	}	386	}
326		387
327	=item cf::get_slot $time[, $priority[, $name]]	388	=item cf::get_slot $time[, $priority[, $name]]
328		389
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	401	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	402	our $SLOT_QUEUE;
342		403
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
345	my $signal = new Coro::Signal;	408	my $signal = new Coro::Signal;
346		409
347	while () {	410	while () {
348	next_job:	411	next_job:
349	my $avail = cf::till_tick;	412	my $avail = cf::till_tick;
…		…
357	}	420	}
358	}	421	}
359	}	422	}
360		423
361	if (@SLOT_QUEUE) {	424	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	426	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	427	$signal->wait;
365	} else {	428	} else {
366	Coro::schedule;	429	Coro::schedule;
367	}	430	}
368	}	431	}
369	};	432	};
370		433
371	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
372	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
373		438
374	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
376		441
…		…
390		455
391	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
392		457
393	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
394		459
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
396	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
397	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
398	acceptable.	463	acceptable.
399		464
400	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
401	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
…		…
406		471
407	sub sync_job(&) {	472	sub sync_job(&) {
408	my ($job) = @_;	473	my ($job) = @_;
409		474
410	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	476	my $time = EV::time;
412		477
413	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
415		480
416	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	482
418	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
419		484
420	my $busy = 1;	485	my $busy = 1;
421	my @res;	486	my @res;
422		487
423	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	490	@res = eval { $job->() };
425	warn $@ if $@;	491	warn $@ if $@;
426	undef $busy;	492	undef $busy;
427	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
428		494
429	while ($busy) {	495	while ($busy) {
430	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
431	}	500	}
		501	}
432		502
433	$time = Event::time - $time;	503	my $time = EV::time - $time;
434		504
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
439		506
440	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
441	} else {	508	} else {
442	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
443		510
…		…
468	=item fork_call { }, $args	535	=item fork_call { }, $args
469		536
470	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
471	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
474		541
475	=cut	542	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		543
486	sub fork_call(&@) {	544	sub fork_call(&@) {
487	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
488		546
489	# 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,
490	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		550
494	if (my $pid = fork) {	551	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	552	reset_signals;
508	local $SIG{__WARN__};	553	&$cb
509	local $SIG{__DIE__};	554	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		555
516	eval {	556	wantarray ? @res : $res[-1]
517	close $fh1;	557	}
518		558
519	my @res = eval { $cb->(@args) };	559	=item $coin = coin_from_name $name
520		560
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	561	=cut
522	close $fh2;
523	};
524		562
525	warn $@ if $@;	563	our %coin_alias = (
526	_exit 0;	564	"silver" => "silvercoin",
527	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
528	}	584	}
529		585
530	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
531		587
532	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
535		591
536	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
539	=cut	600	=cut
		601
		602	sub db_table($) {
		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	}
540		618
541	our $DB;	619	our $DB;
542		620
543	sub db_init {	621	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	622	cf::sync_job {
548	eval {	623	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	624	};
558	}	625	}
559		626
560	sub db_get($$) {	627	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
562		629
…		…
612	if (1) {	679	if (1) {
613	$md5 =	680	$md5 =
614	join "\x00",	681	join "\x00",
615	$processversion,	682	$processversion,
616	map {	683	map {
617	Coro::cede;	684	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	686	} 0.. $#$src;
620		687
621		688
622	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		727
661	#############################################################################	728	#############################################################################
662		729
663	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
664		731
665	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
666	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")
667	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
668		735
669	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>
670	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
671	Crossfire TRT).	738	Deliantra).
672		739
673	=over 4	740	=over 4
674		741
675	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
676		743
…		…
720	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
721		788
722	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
724		791
725	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
726	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.
727		794
728	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
729		796
730	=over 4	797	=over 4
…		…
958	}	1025	}
959		1026
960	0	1027	0
961	}	1028	}
962		1029
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1031
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1033
967	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
968		1035
…		…
974		1041
975	=cut	1042	=cut
976		1043
977	#############################################################################	1044	#############################################################################
978	# object support	1045	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1080	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1081	my ($ob1, $ob2) = @_;
983		1082
984	local $Storable::canonical = 1;	1083	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1084
988	$fob1 eq $fob2	1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
989	}	1087	}
990		1088
991	sub reattach {	1089	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1091	my ($obj) = @_;
994		1092
		1093	# no longer needed after getting rid of delete_package?
995	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
996		1095
997	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
998		1097
999	@$registry = ();	1098	@$registry = ();
1000		1099
…		…
1015	cf::attachable->attach (	1114	cf::attachable->attach (
1016	prio => -1000000,	1115	prio => -1000000,
1017	on_instantiate => sub {	1116	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
1019		1118
1020	$data = from_json $data;	1119	$data = decode_json $data;
1021		1120
1022	for (@$data) {	1121	for (@$data) {
1023	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
1024		1123
1025	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1140	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
1043		1142
1044	sync_job {	1143	sync_job {
1045	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1048		1148
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1153	aio_close $fh;
1054		1154
1055	if (@$objs) {	1155	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1161	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1163	}
1064	} else {	1164	} else {
1065	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1066	}	1166	}
1067		1167
1068	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1172	} else {
1070	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1071	}	1174	}
1072	} else {	1175	} else {
1073	aio_unlink $filename;	1176	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1075	}	1178	}
1076	}	1179	};
1077	}	1180	}
1078		1181
1079	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1081		1184
…		…
1093	or return;	1196	or return;
1094		1197
1095	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1200	or return;
		1201
1098	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1099	}	1204	}
1100		1205
		1206	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1103	return ($data, $av);	1210	($data, $av)
1104	}	1211	}
1105		1212
1106	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1107		1214
1108	=over 4	1215	=over 4
…		…
1162	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1163		1270
1164	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1165	}	1272	}
1166		1273
		1274	use File::Glob ();
		1275
1167	cf::player->attach (	1276	cf::player->attach (
1168	on_command => sub {	1277	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1170		1279
1171	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1186	my ($type, $reply, @payload) =	1295	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1296	"ARRAY" eq ref $msg
1188	? @$msg	1297	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1299
		1300	my @reply;
		1301
1191	if (my $cb = $EXTCMD{$type}) {	1302	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1303	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1197	} else {	1309	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1311	}
1200		1312
1201	cf::override;	1313	cf::override;
1202	},	1314	},
1203	);	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	}
1204		1329
1205	sub load_extensions {	1330	sub load_extensions {
1206	cf::sync_job {	1331	cf::sync_job {
1207	my %todo;	1332	my %todo;
1208		1333
…		…
1228		1353
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1356
1232	$ext{source} =	1357	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1235	. $source	1360	. $source
1236	. "\n};\n1";	1361	. "\n};\n1";
1237		1362
1238	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1256		1381
1257	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1383	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1385	}
1262		1386
1263	warn $msg;	1387	warn $msg;
1264	}	1388	}
1265		1389
…		…
1279		1403
1280	=back	1404	=back
1281		1405
1282	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1283		1407
1284	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1285		1409
1286	=cut	1410	=cut
1287		1411
1288	package cf::player;	1412	package cf::player;
1289		1413
1290	use Coro::AIO;	1414	use Coro::AIO;
1291		1415
1292	=head3 cf::player	1416	=head3 cf::player
1293		1417
1294	=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	}
1295		1433
1296	=item cf::player::find $login	1434	=item cf::player::find $login
1297		1435
1298	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1299		1437
…		…
1318		1456
1319	sub exists($) {	1457	sub exists($) {
1320	my ($login) = @_;	1458	my ($login) = @_;
1321		1459
1322	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1324	}	1462	}
1325		1463
1326	sub find($) {	1464	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1466	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1477
1340	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1343	}	1487	}
1344	}	1488	}
1345	}	1489	}
1346		1490
…		…
1355	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1356		1500
1357	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1359		1503
		1504	cf::get_slot 0.01;
		1505
1360	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1361	Coro::cede;	1507	cf::cede_to_tick;
1362	}	1508	}
1363		1509
1364	sub new($) {	1510	sub new($) {
1365	my ($login) = @_;	1511	my ($login) = @_;
1366		1512
…		…
1372	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1373		1519
1374	$self	1520	$self
1375	}	1521	}
1376		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
1377	=item $pl->quit_character	1533	=item $pl->quit_character
1378		1534
1379	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1381		1537
…		…
1385	my ($pl) = @_;	1541	my ($pl) = @_;
1386		1542
1387	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1388		1544
1389	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1390	$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
1391		1547
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1396		1554
1397	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1592	or return [];
1435		1593
1436	my @logins;	1594	my @logins;
1437		1595
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1442		1606
1443	utf8::decode $login;	1607	utf8::decode $login;
1444	push @logins, $login;	1608	push @logins, $login;
1445	}	1609	}
1446		1610
…		…
1473	}	1637	}
1474		1638
1475	\@paths	1639	\@paths
1476	}	1640	}
1477		1641
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1643
1480	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1645
1528	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1529		1647
1530	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1531		1649
1532	=cut	1650	=cut
1533		1651
1534	sub ext_reply($$@) {	1652	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1653	my ($self, $id, @msg) = @_;
1536		1654
1537	if ($self->ns->extcmd == 2) {	1655	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1656	}
1545		1657
1546	=item $player->ext_msg ($type, @msg)	1658	=item $player->ext_msg ($type, @msg)
1547		1659
1548	Sends an ext event to the client.	1660	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1606		1718
1607	sub generate_random_map {	1719	sub generate_random_map {
1608	my ($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
1609	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1725	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1735		1850
1736	# the temporary/swap location	1851	# the temporary/swap location
1737	sub save_path {	1852	sub save_path {
1738	my ($self) = @_;	1853	my ($self) = @_;
1739		1854
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1742	}	1857	}
1743		1858
1744	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1745	sub uniq_path {	1860	sub uniq_path {
1746	my ($self) = @_;	1861	my ($self) = @_;
1747		1862
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1865	}
1760		1866
1761	sub decay_objects {	1867	sub decay_objects {
1762	my ($self) = @_;	1868	my ($self) = @_;
1763		1869
…		…
1776		1882
1777	sub load_header_from($) {	1883	sub load_header_from($) {
1778	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1779		1885
1780	utf8::encode $path;	1886	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1786		1895
1787	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1788		1897
1789	1	1898	1
1790	}	1899	}
…		…
1844	sub find {	1953	sub find {
1845	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1846		1955
1847	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1848		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1850		1960
1851	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1854	or return;	1963	or return;
1855		1964
1856	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1857		1966
…		…
1859	or return;	1968	or return;
1860		1969
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1864	$map->reset;	1975	$map->reset;
1865	undef $guard;
1866	return find $path;	1976	return find $path;
1867	}	1977	}
1868		1978
1869	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1870	}	1980	}
…		…
1879	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1880		1990
1881	my $path = $self->{path};	1991	my $path = $self->{path};
1882		1992
1883	{	1993	{
1884	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1885		1995
		1996	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		1998
1888	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1889		2000
1890	$self->alloc;	2001	$self->alloc;
1891		2002
1892	$self->pre_load;	2003	$self->pre_load;
1893	Coro::cede;	2004	cf::cede_to_tick;
1894		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1896	or return;	2009	or return;
1897		2010
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1899	if delete $self->{load_original};	2012	if delete $self->{load_original};
1900		2013
1901	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2015	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2018	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1906	}	2022	}
1907	}	2023	}
1908		2024
1909	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1910	# now do the right thing for maps	2028	# now do the right thing for maps
1911	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2031	unless $self->difficulty;
1914	Coro::cede;	2032	cf::cede_to_tick;
1915		2033
1916	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2035	$self->decay_objects;
1918	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1919	$self->update_buttons;	2037	$self->update_buttons;
1920	Coro::cede;	2038	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2039	$self->activate;
1924	}	2040	}
1925		2041
1926	$map->{last_save} = $cf::RUNTIME;	2042	$self->{last_save} = $cf::RUNTIME;
1927	$map->last_access ($cf::RUNTIME);	2043	$self->last_access ($cf::RUNTIME);
1928		2044
1929	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1930	}	2046	}
1931		2047
1932	$self->post_load;	2048	$self->post_load;
1933	}	2049	}
1934		2050
…		…
1943		2059
1944	$self	2060	$self
1945	}	2061	}
1946		2062
1947	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1948	sub load_diag {	2064	sub load_neighbours {
1949	my ($map) = @_;	2065	my ($map) = @_;
1950		2066
1951	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1952		2068
1953	for (0 .. 3) {	2069	for (0 .. 3) {
1954	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1955	or next;	2071	or next;
1956	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1957	or next;	2073	or next;
1958	$neigh->load;	2074	$neigh->load;
1959		2075
		2076	push @neigh,
1960	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1961	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1962	}	2079	}
1963		2080
1964	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1965	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1966	or next;	2084	or next;
1967	$neigh->load;	2085	$neigh->load;
1968	}	2086	}
1969	}	2087	}
1970		2088
…		…
1975	}	2093	}
1976		2094
1977	sub do_load_sync {	2095	sub do_load_sync {
1978	my ($map) = @_;	2096	my ($map) = @_;
1979		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1980	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1981	}	2102	}
1982		2103
1983	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1984	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1985		2106
1986	sub find_async {	2107	sub find_async {
1987	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1988		2109
1989	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1990		2111
1991	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1993	}	2114	}
1994		2115
1995	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1996	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1997	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1998	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1999	if (my $map = find $path) {	2123	if (my $map = find $k) {
2000	$map->load;	2124	$map->load if $v;
2001	}	2125	}
2002		2126
2003	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
2004	}	2128	}
2005	}	2129	}
2006	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
2007	};	2131	};
2008	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
2011	}	2135	}
2012		2136
2013	sub save {	2137	sub save {
2014	my ($self) = @_;	2138	my ($self) = @_;
2015		2139
2016	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
2017		2141
2018	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
2019		2143
2020	return unless $self->dirty;	2144	return unless $self->dirty;
2021		2145
…		…
2027	return if $self->{deny_save};	2151	return if $self->{deny_save};
2028		2152
2029	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
2030		2154
2031	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
2032	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2033	};	2158	};
		2159
		2160	cf::get_slot 0.02;
2034		2161
2035	if ($uniq) {	2162	if ($uniq) {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2038	} else {	2165	} else {
…		…
2044	my ($self) = @_;	2171	my ($self) = @_;
2045		2172
2046	# save first because save cedes	2173	# save first because save cedes
2047	$self->save;	2174	$self->save;
2048		2175
2049	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2177
2051	return if $self->players;	2178	return if $self->players;
2052	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2053	return if $self->{deny_save};	2180	return if $self->{deny_save};
2054		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
2055	$self->clear;	2186	$self->clear;
2056	$self->in_memory (cf::MAP_SWAPPED);
2057	}	2187	}
2058		2188
2059	sub reset_at {	2189	sub reset_at {
2060	my ($self) = @_;	2190	my ($self) = @_;
2061		2191
…		…
2093	if $uniq;	2223	if $uniq;
2094	}	2224	}
2095		2225
2096	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
2097		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
2098	$self->clear;	2230	$self->clear;
2099
2100	$_->clear_links_to ($self) for values %cf::MAP;
2101		2231
2102	$self->unlink_save;	2232	$self->unlink_save;
2103	$self->destroy;	2233	$self->destroy;
2104	}	2234	}
2105		2235
2106	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2107		2237
2108	sub nuke {	2238	sub nuke {
2109	my ($self) = @_;	2239	my ($self) = @_;
2110		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2111	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2112		2245
2113	$self->unlink_save;	2246	$self->unlink_save;
2114		2247
2115	bless $self, "cf::map";	2248	bless $self, "cf::map";
2116	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2117	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2118	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2119	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120		2253
2121	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2122		2256
2123	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2124	}	2258	}
2125		2259
2126	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2168		2302
2169	sub unique_maps() {	2303	sub unique_maps() {
2170	[	2304	[
2171	map {	2305	map {
2172	utf8::decode $_;	2306	utf8::decode $_;
2173	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2174	? normalise $_	2310	: normalise $_
2175	: ()
2176	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2177	]	2312	]
2178	}	2313	}
2179		2314
2180	package cf;
2181
2182	=back	2315	=back
2183		2316
2184	=head3 cf::object	2317	=head3 cf::object
2185		2318
2186	=cut	2319	=cut
…		…
2189		2322
2190	=over 4	2323	=over 4
2191		2324
2192	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2193		2326
2194	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2195		2329
2196	=cut	2330	=cut
2197		2331
2198	sub inv_recursive_;	2332	sub inv_recursive_;
2199	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2202		2336
2203	sub inv_recursive {	2337	sub inv_recursive {
2204	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2205	}	2339	}
2206		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
2207	package cf;	2369	package cf;
2208		2370
2209	=back	2371	=back
2210		2372
2211	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2217	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2218	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2219	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2220		2382
2221	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
2222		2398
2223	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2224	# with dialog boxes.	2400	# with dialog boxes.
2225	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2226	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2238	my $dialog = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240		2416
2241	} else {	2417	} else {
2242	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2243	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244	}	2420	}
2245	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
2246	}	2432	}
2247		2433
2248	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2249		2435
2250	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2263		2449
2264	=item $player_object->enter_link	2450	=item $player_object->enter_link
2265		2451
2266	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2267		2453
2268	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2269	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2270		2458
2271	Will never block.	2459	Will never block.
2272		2460
2273	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2274		2462
…		…
2329	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2332		2520
2333	$map->load;	2521	$map->load;
2334	$map->load_diag;	2522	$map->load_neighbours;
2335		2523
2336	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2337	$self->activate_recursive;	2526	$self->activate_recursive;
2338		2527
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2341	}	2530	}
…		…
2346	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2347	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2348	the new (success) or old (failed) map position. In either case, $done will	2537	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2538	be called at the end of this process.
2350		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
		2542
2351	=cut	2543	=cut
2352		2544
2353	our $GOTOGEN;	2545	our $GOTOGEN;
2354		2546
2355	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
…		…
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2552
2361	$self->enter_link;	2553	$self->enter_link;
2362		2554
2363	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2364	my $map = eval {	2577	my $map = eval {
2365	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2366		2579
2367	if ($map) {	2580	if ($map) {
2368	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2370	} else {	2583	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2585	}
2373		2586
2374	$map	2587	$map
2375	};	2588	};
2376		2589
…		…
2412	}	2625	}
2413		2626
2414	sub prepare_random_map {	2627	sub prepare_random_map {
2415	my ($exit) = @_;	2628	my ($exit) = @_;
2416		2629
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2632	# that depends on the exit object
2422		2633
2423	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2636	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2430	}	2643	}
2431		2644
2432	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2433		2646
2434	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2437		2650
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2653	undef $fh;
2441	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2442		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2445	}	2662	}
2446	}	2663	}
2447		2664
2448	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2450		2667
2451	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2452		2669
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2670	$self->enter_link;
2465		2671
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2672	(async {
2471	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2472	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2473	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2474		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2475	1;	2696	1
2476	}) {	2697	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2479	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2481		2702
2482	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2512		2733
2513	=cut	2734	=cut
2514		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
2515	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2516	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2517		2804
2518	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2519		2807
2520	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2521		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel);
		2815	$channel = $channel->{id};
		2816
2522	if (ref $channel) {	2817	} elsif (ref $channel) {
2523	# send meta info to client, if not yet sent	2818	# send meta info to client, if not yet sent
2524	unless (exists $self->{channel}{$channel->{id}}) {	2819	unless (exists $self->{channel}{$channel->{id}}) {
2525	$self->{channel}{$channel->{id}} = $channel;	2820	$self->{channel}{$channel->{id}} = $channel;
2526	$self->ext_msg (channel_info => $channel);	2821	$self->ext_msg (channel_info => $channel);
2527	}	2822	}
…		…
2529	$channel = $channel->{id};	2824	$channel = $channel->{id};
2530	}	2825	}
2531		2826
2532	return unless @extra || length $msg;	2827	return unless @extra || length $msg;
2533		2828
2534	if ($self->can_msg) {
2535	# default colour, mask it out	2829	# default colour, mask it out
2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2830	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537	if $color & cf::NDI_DEF;	2831	if $color & cf::NDI_DEF;
2538		2832
2539	$self->send_packet ("msg " . $self->{json_coder}->encode (	2833	my $pkt = "msg "
		2834	. $self->{json_coder}->encode (
2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2835	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	2836	);
2542	if ($color >= 0) {
2543	# replace some tags by gcfclient-compatible ones
2544	for ($msg) {
2545	1 while
2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551	}
2552		2837
2553	$color &= cf::NDI_COLOR_MASK;	2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
2554		2841
2555	if (0 && $msg =~ /\[/) {	2842	# split very large packets
2556	$self->send_packet ("drawextinfo $color 4 0 $msg")	2843	if (8192 < length $pkt and $self->{can_lzf}) {
2557	} else {	2844	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2845	$pkt = "frag";
2559	$self->send_packet ("drawinfo $color $msg")
2560	}
2561	}
2562	}	2846	}
		2847
		2848	$self->send_packet ($pkt);
2563	}	2849	}
2564		2850
2565	=item $client->ext_msg ($type, @msg)	2851	=item $client->ext_msg ($type, @msg)
2566		2852
2567	Sends an ext event to the client.	2853	Sends an ext event to the client.
…		…
2569	=cut	2855	=cut
2570		2856
2571	sub cf::client::ext_msg($$@) {	2857	sub cf::client::ext_msg($$@) {
2572	my ($self, $type, @msg) = @_;	2858	my ($self, $type, @msg) = @_;
2573		2859
2574	my $extcmd = $self->extcmd;
2575
2576	if ($extcmd == 2) {	2860	if ($self->extcmd == 2) {
2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2861	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2578	} elsif ($extcmd == 1) { # TODO: remove	2862	} elsif ($self->extcmd == 1) { # TODO: remove
2579	push @msg, msgtype => "event_$type";	2863	push @msg, msgtype => "event_$type";
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2865	}
		2866	}
		2867
		2868	=item $client->ext_reply ($msgid, @msg)
		2869
		2870	Sends an ext reply to the client.
		2871
		2872	=cut
		2873
		2874	sub cf::client::ext_reply($$@) {
		2875	my ($self, $id, @msg) = @_;
		2876
		2877	if ($self->extcmd == 2) {
		2878	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2879	} elsif ($self->extcmd == 1) {
		2880	#TODO: version 1, remove
		2881	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2882	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	2883	}
2582	}	2884	}
2583		2885
2584	=item $success = $client->query ($flags, "text", \&cb)	2886	=item $success = $client->query ($flags, "text", \&cb)
…		…
2646	my ($type, $reply, @payload) =	2948	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	2949	"ARRAY" eq ref $msg
2648	? @$msg	2950	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2951	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		2952
		2953	my @reply;
		2954
2651	if (my $cb = $EXTICMD{$type}) {	2955	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	2956	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	2957	}
		2958
		2959	$ns->ext_reply ($reply, @reply)
		2960	if $reply;
		2961
2657	} else {	2962	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2963	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	2964	}
2660		2965
2661	cf::override;	2966	cf::override;
…		…
2708	our $safe = new Safe "safe";	3013	our $safe = new Safe "safe";
2709	our $safe_hole = new Safe::Hole;	3014	our $safe_hole = new Safe::Hole;
2710		3015
2711	$SIG{FPE} = 'IGNORE';	3016	$SIG{FPE} = 'IGNORE';
2712		3017
2713	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3018	$safe->permit_only (Opcode::opset qw(
		3019	:base_core :base_mem :base_orig :base_math
		3020	grepstart grepwhile mapstart mapwhile
		3021	sort time
		3022	));
2714		3023
2715	# here we export the classes and methods available to script code	3024	# here we export the classes and methods available to script code
2716		3025
2717	=pod	3026	=pod
2718		3027
2719	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
2720		3029
2721	cf::object	3030	cf::object
2722	contr pay_amount pay_player map x y force_find force_add	3031	contr pay_amount pay_player map x y force_find force_add destroy
2723	insert remove	3032	insert remove name archname title slaying race decrease split
2724		3033
2725	cf::object::player	3034	cf::object::player
2726	player	3035	player
2727		3036
2728	cf::player	3037	cf::player
…		…
2733		3042
2734	=cut	3043	=cut
2735		3044
2736	for (	3045	for (
2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3046	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2738	insert remove)],	3047	insert remove inv nrof name archname title slaying race
		3048	decrease split destroy change_exp)],
2739	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
2740	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
2741	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
2742	) {	3052	) {
2743	no strict 'refs';	3053	no strict 'refs';
…		…
2819	# the server's init and main functions	3129	# the server's init and main functions
2820		3130
2821	sub load_facedata($) {	3131	sub load_facedata($) {
2822	my ($path) = @_;	3132	my ($path) = @_;
2823		3133
		3134	# HACK to clear player env face cache, we need some signal framework
		3135	# for this (global event?)
		3136	%ext::player_env::MUSIC_FACE_CACHE = ();
		3137
		3138	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3139
2824	warn "loading facedata from $path\n";	3140	warn "loading facedata from $path\n";
2825		3141
2826	my $facedata;	3142	my $facedata;
2827	0 < aio_load $path, $facedata	3143	0 < aio_load $path, $facedata
2828	or die "$path: $!";	3144	or die "$path: $!";
…		…
2830	$facedata = Coro::Storable::thaw $facedata;	3146	$facedata = Coro::Storable::thaw $facedata;
2831		3147
2832	$facedata->{version} == 2	3148	$facedata->{version} == 2
2833	or cf::cleanup "$path: version mismatch, cannot proceed.";	3149	or cf::cleanup "$path: version mismatch, cannot proceed.";
2834		3150
		3151	# patch in the exptable
		3152	$facedata->{resource}{"res/exp_table"} = {
		3153	type => FT_RSRC,
		3154	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3155	};
		3156	cf::cede_to_tick;
		3157
2835	{	3158	{
2836	my $faces = $facedata->{faceinfo};	3159	my $faces = $facedata->{faceinfo};
2837		3160
2838	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3162	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3163
2840	cf::face::set_visibility $idx, $info->{visibility};	3164	cf::face::set_visibility $idx, $info->{visibility};
2841	cf::face::set_magicmap $idx, $info->{magicmap};	3165	cf::face::set_magicmap $idx, $info->{magicmap};
2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3166	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3167	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2844		3168
2845	cf::cede_to_tick;	3169	cf::cede_to_tick;
2846	}	3170	}
2847		3171
2848	while (my ($face, $info) = each %$faces) {	3172	while (my ($face, $info) = each %$faces) {
2849	next unless $info->{smooth};	3173	next unless $info->{smooth};
		3174
2850	my $idx = cf::face::find $face	3175	my $idx = cf::face::find $face
2851	or next;	3176	or next;
		3177
2852	if (my $smooth = cf::face::find $info->{smooth}) {	3178	if (my $smooth = cf::face::find $info->{smooth}) {
2853	cf::face::set_smooth $idx, $smooth;	3179	cf::face::set_smooth $idx, $smooth;
2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3180	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2855	} else {	3181	} else {
2856	warn "smooth face '$info->{smooth}' not found for face '$face'";	3182	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2873		3199
2874	{	3200	{
2875	# TODO: for gcfclient pleasure, we should give resources	3201	# TODO: for gcfclient pleasure, we should give resources
2876	# that gcfclient doesn't grok a >10000 face index.	3202	# that gcfclient doesn't grok a >10000 face index.
2877	my $res = $facedata->{resource};	3203	my $res = $facedata->{resource};
2878	my $enc = JSON::XS->new->utf8->canonical;
2879
2880	my $soundconf = delete $res->{"res/sound.conf"};
2881		3204
2882	while (my ($name, $info) = each %$res) {	3205	while (my ($name, $info) = each %$res) {
2883	my $meta = $enc->encode ({	3206	if (defined $info->{type}) {
2884	name => $name,
2885	%{ $info->{meta} || {} },
2886	});
2887
2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3207	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3208	my $data;
2889		3209
2890	if ($info->{type} & 1) {	3210	if ($info->{type} & 1) {
2891	# prepend meta info	3211	# prepend meta info
2892		3212
		3213	my $meta = $enc->encode ({
		3214	name => $name,
		3215	%{ $info->{meta} || {} },
		3216	});
		3217
2893	my $data = pack "(w/a*)*", $meta, $info->{data};	3218	$data = pack "(w/a*)*", $meta, $info->{data};
2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3219	} else {
		3220	$data = $info->{data};
		3221	}
2895		3222
2896	cf::face::set_data $idx, 0, $data, $chk;	3223	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3224	cf::face::set_type $idx, $info->{type};
2897	} else {	3225	} else {
2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3226	$RESOURCE{$name} = $info;
2899	}	3227	}
2900		3228
2901	cf::face::set_type $idx, $info->{type};
2902
2903	cf::cede_to_tick;	3229	cf::cede_to_tick;
2904	}	3230	}
2905
2906	if ($soundconf) {
2907	$soundconf = $enc->decode (delete $soundconf->{data});
2908
2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2910	my $sound = $soundconf->{compat}[$_]
2911	or next;
2912
2913	my $face = cf::face::find "sound/$sound->[1]";
2914
2915	cf::sound::set $sound->[0] => $face;
2916	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2917	}
2918
2919	#TODO
2920	}
2921	}	3231	}
		3232
		3233	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2922		3234
2923	1	3235	1
2924	}	3236	}
		3237
		3238	cf::global->attach (on_resource_update => sub {
		3239	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3240	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3241
		3242	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3243	my $sound = $soundconf->{compat}[$_]
		3244	or next;
		3245
		3246	my $face = cf::face::find "sound/$sound->[1]";
		3247	cf::sound::set $sound->[0] => $face;
		3248	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3249	}
		3250
		3251	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3252	my $face = cf::face::find "sound/$v";
		3253	cf::sound::set $k => $face;
		3254	}
		3255	}
		3256	});
2925		3257
2926	register_exticmd fx_want => sub {	3258	register_exticmd fx_want => sub {
2927	my ($ns, $want) = @_;	3259	my ($ns, $want) = @_;
2928		3260
2929	while (my ($k, $v) = each %$want) {	3261	while (my ($k, $v) = each %$want) {
2930	$ns->fx_want ($k, $v);	3262	$ns->fx_want ($k, $v);
2931	}	3263	}
2932	};	3264	};
2933		3265
		3266	sub load_resource_file($) {
		3267	my $guard = lock_acquire "load_resource_file";
		3268
		3269	my $status = load_resource_file_ $_[0];
		3270	get_slot 0.1, 100;
		3271	cf::arch::commit_load;
		3272
		3273	$status
		3274	}
		3275
2934	sub reload_regions {	3276	sub reload_regions {
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
		3280
2935	load_resource_file "$MAPDIR/regions"	3281	load_resource_file "$MAPDIR/regions"
2936	or die "unable to load regions file\n";	3282	or die "unable to load regions file\n";
2937		3283
2938	for (cf::region::list) {	3284	for (cf::region::list) {
2939	$_->{match} = qr/$_->{match}/	3285	$_->{match} = qr/$_->{match}/
…		…
2947	}	3293	}
2948		3294
2949	sub reload_archetypes {	3295	sub reload_archetypes {
2950	load_resource_file "$DATADIR/archetypes"	3296	load_resource_file "$DATADIR/archetypes"
2951	or die "unable to load archetypes\n";	3297	or die "unable to load archetypes\n";
2952	#d# NEED to laod twice to resolve forward references
2953	# this really needs to be done in an extra post-pass
2954	# (which needs to be synchronous, so solve it differently)
2955	load_resource_file "$DATADIR/archetypes"
2956	or die "unable to load archetypes\n";
2957	}	3298	}
2958		3299
2959	sub reload_treasures {	3300	sub reload_treasures {
2960	load_resource_file "$DATADIR/treasures"	3301	load_resource_file "$DATADIR/treasures"
2961	or die "unable to load treasurelists\n";	3302	or die "unable to load treasurelists\n";
2962	}	3303	}
2963		3304
2964	sub reload_resources {	3305	sub reload_resources {
2965	warn "reloading resource files...\n";	3306	warn "reloading resource files...\n";
2966		3307
		3308	reload_facedata;
		3309	reload_archetypes;
2967	reload_regions;	3310	reload_regions;
2968	reload_facedata;
2969	#reload_archetypes;#d#
2970	reload_archetypes;
2971	reload_treasures;	3311	reload_treasures;
2972		3312
2973	warn "finished reloading resource files\n";	3313	warn "finished reloading resource files\n";
2974	}	3314	}
2975		3315
2976	sub init {	3316	sub reload_config {
2977	reload_resources;
2978	}
2979
2980	sub cfg_load {
2981	open my $fh, "<:utf8", "$CONFDIR/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
2982	or return;	3318	or return;
2983		3319
2984	local $/;	3320	local $/;
2985	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
2986		3322
2987	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2988		3324
2989	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3325	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2990	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3326	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2996	};	3332	};
2997	warn $@ if $@;	3333	warn $@ if $@;
2998	}	3334	}
2999	}	3335	}
3000		3336
		3337	sub pidfile() {
		3338	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3339	or die "$PIDFILE: $!";
		3340	flock $fh, &Fcntl::LOCK_EX
		3341	or die "$PIDFILE: flock: $!";
		3342	$fh
		3343	}
		3344
		3345	# make sure only one server instance is running at any one time
		3346	sub atomic {
		3347	my $fh = pidfile;
		3348
		3349	my $pid = <$fh>;
		3350	kill 9, $pid if $pid > 0;
		3351
		3352	seek $fh, 0, 0;
		3353	print $fh $$;
		3354	}
		3355
3001	sub main {	3356	sub main {
		3357	cf::init_globals; # initialise logging
		3358
		3359	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3360	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3361	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3362	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3363
		3364	cf::init_experience;
		3365	cf::init_anim;
		3366	cf::init_attackmess;
		3367	cf::init_dynamic;
		3368
		3369	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3370
3002	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
3003	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
3004	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3005	(async {	3374	(async {
3006	Event::one_event;	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3376	EV::loop EV::LOOP_ONESHOT;
3007	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
3008	};	3378	};
3009		3379
3010	cfg_load;	3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
		3384	reload_config;
3011	db_init;	3385	db_init;
		3386
		3387	cf::load_settings;
		3388	cf::load_materials;
		3389	cf::init_uuid;
		3390	cf::init_signals;
		3391	cf::init_commands;
		3392	cf::init_skills;
		3393
		3394	cf::init_beforeplay;
		3395
		3396	atomic;
		3397
3012	load_extensions;	3398	load_extensions;
3013		3399
3014	$TICK_WATCHER->start;	3400	utime time, time, $RUNTIMEFILE;
		3401
		3402	# no (long-running) fork's whatsoever before this point(!)
		3403	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3404
		3405	(pop @POST_INIT)->(0) while @POST_INIT;
		3406	};
		3407
3015	Event::loop;	3408	EV::loop;
3016	}	3409	}
3017		3410
3018	#############################################################################	3411	#############################################################################
3019	# initialisation and cleanup	3412	# initialisation and cleanup
3020		3413
3021	# install some emergency cleanup handlers	3414	# install some emergency cleanup handlers
3022	BEGIN {	3415	BEGIN {
		3416	our %SIGWATCHER = ();
3023	for my $signal (qw(INT HUP TERM)) {	3417	for my $signal (qw(INT HUP TERM)) {
3024	Event->signal (	3418	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3025	reentrant => 0,
3026	data => WF_AUTOCANCEL,
3027	signal => $signal,
3028	prio => 0,
3029	cb => sub {
3030	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
3031	},
3032	);	3420	};
3033	}	3421	}
3034	}	3422	}
3035		3423
3036	sub write_runtime {	3424	sub write_runtime_sync {
3037	my $runtime = "$LOCALDIR/runtime";
3038
3039	# first touch the runtime file to show we are still running:	3425	# first touch the runtime file to show we are still running:
3040	# the fsync below can take a very very long time.	3426	# the fsync below can take a very very long time.
3041		3427
3042	IO::AIO::aio_utime $runtime, undef, undef;	3428	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3043		3429
3044	my $guard = cf::lock_acquire "write_runtime";	3430	my $guard = cf::lock_acquire "write_runtime";
3045		3431
3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3432	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3047	or return;	3433	or return;
3048		3434
3049	my $value = $cf::RUNTIME + 90 + 10;	3435	my $value = $cf::RUNTIME + 90 + 10;
3050	# 10 is the runtime save interval, for a monotonic clock	3436	# 10 is the runtime save interval, for a monotonic clock
3051	# 60 allows for the watchdog to kill the server.	3437	# 60 allows for the watchdog to kill the server.
…		…
3061	aio_utime $fh, undef, undef;	3447	aio_utime $fh, undef, undef;
3062		3448
3063	close $fh	3449	close $fh
3064	or return;	3450	or return;
3065		3451
3066	aio_rename "$runtime~", $runtime	3452	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3067	and return;	3453	and return;
3068		3454
3069	warn "runtime file written.\n";	3455	warn "runtime file written.\n";
3070		3456
3071	1	3457	1
		3458	}
		3459
		3460	our $uuid_lock;
		3461	our $uuid_skip;
		3462
		3463	sub write_uuid_sync($) {
		3464	$uuid_skip ||= $_[0];
		3465
		3466	return if $uuid_lock;
		3467	local $uuid_lock = 1;
		3468
		3469	my $uuid = "$LOCALDIR/uuid";
		3470
		3471	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = uuid_seq uuid_cur;
		3475
		3476	unless ($value) {
		3477	warn "cowardly refusing to write zero uuid value!\n";
		3478	return;
		3479	}
		3480
		3481	my $value = uuid_str $value + $uuid_skip;
		3482	$uuid_skip = 0;
		3483
		3484	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3485	and return;
		3486
		3487	# always fsync - this file is important
		3488	aio_fsync $fh
		3489	and return;
		3490
		3491	close $fh
		3492	or return;
		3493
		3494	aio_rename "$uuid~", $uuid
		3495	and return;
		3496
		3497	warn "uuid file written ($value).\n";
		3498
		3499	1
		3500
		3501	}
		3502
		3503	sub write_uuid($$) {
		3504	my ($skip, $sync) = @_;
		3505
		3506	$sync ? write_uuid_sync $skip
		3507	: async { write_uuid_sync $skip };
3072	}	3508	}
3073		3509
3074	sub emergency_save() {	3510	sub emergency_save() {
3075	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
3076		3512
3077	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
3078		3514
3079	cf::sync_job {	3515	cf::sync_job {
		3516	# this is a trade-off: we want to be very quick here, so
		3517	# save all maps without fsync, and later call a global sync
		3518	# (which in turn might be very very slow)
		3519	local $USE_FSYNC = 0;
		3520
3080	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
3081	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
3082	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
3083	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
3084	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
3085	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
3086	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3087	$pl->save;	3529	$pl->save;
3088	}	3530	}
3089	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
3090		3532
3091	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
3092	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
3093	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
3094	$map->valid or next;	3536	$map->valid or next;
3095	$map->save;	3537	$map->save;
3096	}	3538	}
3097	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
3098		3540
3099	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
3100	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
3101	warn "end emergency database checkpoint\n";	3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
3102	};	3548	};
3103		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
3104	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
3105	}	3556	}
3106		3557
3107	sub post_cleanup {	3558	sub post_cleanup {
3108	my ($make_core) = @_;	3559	my ($make_core) = @_;
3109		3560
3110	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
3111	if $make_core;	3562	if $make_core;
		3563
		3564	my $fh = pidfile;
		3565	unlink $PIDFILE if <$fh> == $$;
		3566	}
		3567
		3568	# a safer delete_package, copied from Symbol
		3569	sub clear_package($) {
		3570	my $pkg = shift;
		3571
		3572	# expand to full symbol table name if needed
		3573	unless ($pkg =~ /^main::.*::$/) {
		3574	$pkg = "main$pkg" if $pkg =~ /^::/;
		3575	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3576	$pkg .= '::' unless $pkg =~ /::$/;
		3577	}
		3578
		3579	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3580	my $stem_symtab = *{$stem}{HASH};
		3581
		3582	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3583	or return;
		3584
		3585	# clear all symbols
		3586	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3587	for my $name (keys %$leaf_symtab) {
		3588	_gv_clear *{"$pkg$name"};
		3589	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3590	}
		3591	warn "cleared package $pkg\n";#d#
3112	}	3592	}
3113		3593
3114	sub do_reload_perl() {	3594	sub do_reload_perl() {
3115	# can/must only be called in main	3595	# can/must only be called in main
3116	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
3117	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
3118	return;	3598	return;
3119	}	3599	}
3120		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
3121	warn "reloading...";	3606	warn "reloading...";
3122		3607
3123	warn "entering sync_job";	3608	warn "entering sync_job";
3124		3609
3125	cf::sync_job {	3610	cf::sync_job {
3126	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
3127	cf::emergency_save;	3612	cf::emergency_save;
3128	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
3129		3614
3130	warn "syncing database to disk";	3615	warn "syncing database to disk";
3131	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
3132		3617
3133	# if anything goes wrong in here, we should simply crash as we already saved	3618	# if anything goes wrong in here, we should simply crash as we already saved
3134		3619
3135	warn "cancelling all WF_AUTOCANCEL watchers";
3136	for (Event::all_watchers) {
3137	$_->cancel if $_->data & WF_AUTOCANCEL;
3138	}
3139
3140	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
3141	for (;;) {
3142	BDB::flush;
3143	IO::AIO::flush;
3144	Coro::cede;
3145	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
3146	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3147	}
3148
3149	++$RELOAD;
3150
3151	warn "cancelling all extension coros";
3152	$_->cancel for values %EXT_CORO;
3153	%EXT_CORO = ();
3154
3155	warn "removing commands";
3156	%COMMAND = ();
3157
3158	warn "removing ext/exti commands";
3159	%EXTCMD = ();
3160	%EXTICMD = ();
3161
3162	warn "unloading/nuking all extensions";
3163	for my $pkg (@EXTS) {
3164	warn "... unloading $pkg";
3165
3166	if (my $cb = $pkg->can ("unload")) {
3167	eval {
3168	$cb->($pkg);
3169	1
3170	} or warn "$pkg unloaded, but with errors: $@";
3171	}	3623	}
3172		3624
3173	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
3174	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
3175	}	3627	%EXT_CORO = ();
3176		3628
3177	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
3178	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
3179	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3180		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
3181	warn "... unloading $k";	3638	warn "... unloading $pkg";
3182	delete $INC{$k};
3183		3639
3184	$k =~ s/\.pm$//;
3185	$k =~ s/\//::/g;
3186
3187	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
3188	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
3189	}	3649	}
3190		3650
3191	Symbol::delete_package $k;	3651	warn "unloading all perl modules loaded from $LIBDIR";
		3652	while (my ($k, $v) = each %INC) {
		3653	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3654
		3655	warn "... unloading $k";
		3656	delete $INC{$k};
		3657
		3658	$k =~ s/\.pm$//;
		3659	$k =~ s/\//::/g;
		3660
		3661	if (my $cb = $k->can ("unload_module")) {
		3662	$cb->();
		3663	}
		3664
		3665	clear_package $k;
3192	}	3666	}
3193		3667
3194	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
3195	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
3196	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3670	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3197		3671
3198	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
3199	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
3200	delete $INC{"cf/pod.pm"};	3674	delete $INC{"cf/pod.pm"};
3201		3675
3202	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
3203	# and global variables created in xs	3677	# and global variables created in xs
3204	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
3205		3679
3206	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
3207		3681
3208	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
3209	require cf;	3683	require cf;
3210	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3211		3685
3212	warn "loading config and database again";	3686	warn "loading config and database again";
3213	cf::cfg_load;	3687	cf::reload_config;
3214		3688
3215	warn "loading extensions";	3689	warn "loading extensions";
3216	cf::load_extensions;	3690	cf::load_extensions;
3217		3691
		3692	if ($REATTACH_ON_RELOAD) {
3218	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3219	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3220	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3221	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3222	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3223	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
3224		3700
		3701	warn "running post_init jobs";
		3702	(pop @POST_INIT)->(1) while @POST_INIT;
		3703
3225	warn "leaving sync_job";	3704	warn "leaving sync_job";
3226		3705
3227	1	3706	1
3228	} or do {	3707	} or do {
3229	warn $@;	3708	warn $@;
3230	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
3231	exit 1;
3232	};	3710	};
3233		3711
3234	warn "reloaded";	3712	warn "reloaded";
		3713	--$RELOAD;
		3714	}
		3715
		3716	$t1 = EV::time - $t1;
		3717	warn "reload completed in ${t1}s\n";
3235	};	3718	};
3236		3719
3237	our $RELOAD_WATCHER; # used only during reload	3720	our $RELOAD_WATCHER; # used only during reload
3238		3721
3239	sub reload_perl() {	3722	sub reload_perl() {
3240	# doing reload synchronously and two reloads happen back-to-back,	3723	# doing reload synchronously and two reloads happen back-to-back,
3241	# coro crashes during coro_state_free->destroy here.	3724	# coro crashes during coro_state_free->destroy here.
3242		3725
3243	$RELOAD_WATCHER ||= Event->timer (	3726	$RELOAD_WATCHER ||= cf::async {
3244	reentrant => 0,	3727	Coro::AIO::aio_wait cache_extensions;
3245	after => 0,	3728
3246	data => WF_AUTOCANCEL,	3729	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3247	cb => sub {
3248	do_reload_perl;	3730	do_reload_perl;
3249	undef $RELOAD_WATCHER;	3731	undef $RELOAD_WATCHER;
3250	},	3732	};
3251	);	3733	};
3252	}	3734	}
3253		3735
3254	register_command "reload" => sub {	3736	register_command "reload" => sub {
3255	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
3256		3738
3257	if ($who->flag (FLAG_WIZ)) {	3739	if ($who->flag (FLAG_WIZ)) {
3258	$who->message ("reloading server.");	3740	$who->message ("reloading server.");
		3741	async {
		3742	$Coro::current->{desc} = "perl_reload";
3259	async { reload_perl };	3743	reload_perl;
		3744	};
3260	}	3745	}
3261	};	3746	};
3262		3747
3263	unshift @INC, $LIBDIR;	3748	unshift @INC, $LIBDIR;
3264		3749
…		…
3266		3751
3267	our @WAIT_FOR_TICK;	3752	our @WAIT_FOR_TICK;
3268	our @WAIT_FOR_TICK_BEGIN;	3753	our @WAIT_FOR_TICK_BEGIN;
3269		3754
3270	sub wait_for_tick {	3755	sub wait_for_tick {
3271	return unless $TICK_WATCHER->is_active;
3272	return if $Coro::current == $Coro::main;	3756	return if tick_inhibit || $Coro::current == $Coro::main;
3273		3757
3274	my $signal = new Coro::Signal;	3758	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK, $signal;	3759	push @WAIT_FOR_TICK, $signal;
3276	$signal->wait;	3760	$signal->wait;
3277	}	3761	}
3278		3762
3279	sub wait_for_tick_begin {	3763	sub wait_for_tick_begin {
3280	return unless $TICK_WATCHER->is_active;
3281	return if $Coro::current == $Coro::main;	3764	return if tick_inhibit || $Coro::current == $Coro::main;
3282		3765
3283	my $signal = new Coro::Signal;	3766	my $signal = new Coro::Signal;
3284	push @WAIT_FOR_TICK_BEGIN, $signal;	3767	push @WAIT_FOR_TICK_BEGIN, $signal;
3285	$signal->wait;	3768	$signal->wait;
3286	}	3769	}
3287		3770
3288	my $min = 1e6;#d#	3771	sub tick {
3289	my $avg = 10;
3290	$TICK_WATCHER = Event->timer (
3291	reentrant => 0,
3292	parked => 1,
3293	prio => 0,
3294	at => $NEXT_TICK || $TICK,
3295	data => WF_AUTOCANCEL,
3296	cb => sub {
3297	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3299	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
3300	return;	3775	return;
3301	}	3776	}
3302		3777
3303	$NOW = $tick_start = Event::time;
3304
3305	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
3306		3779
3307	0 && sync_job {#d#	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3308	for(1..10) {	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3309	my $t = Event::time;	3782	Coro::async_pool {
3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3783	$Coro::current->{desc} = "runtime saver";
3311	or die;	3784	write_runtime_sync
3312		3785	or warn "ERROR: unable to write runtime file: $!";
3313	$map->width (50);
3314	$map->height (50);
3315	$map->alloc;
3316	$map->_load_objects ("/tmp/x.map", 1);
3317	my $t = Event::time - $t;
3318
3319	#next unless $t < 0.0013;#d#
3320	if ($t < $min) {
3321	$min = $t;
3322	}
3323	$avg = $avg * 0.99 + $t * 0.01;
3324	}
3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3326	exit 0;
3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3328	};	3786	};
		3787	}
3329		3788
3330	$RUNTIME += $TICK;
3331	$NEXT_TICK += $TICK;
3332
3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	$NEXT_RUNTIME_WRITE = $NOW + 10;
3335	Coro::async_pool {
3336	write_runtime
3337	or warn "ERROR: unable to write runtime file: $!";
3338	};
3339	}
3340
3341	# my $AFTER = Event::time;
3342	# warn $AFTER - $NOW;#d#
3343
3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3345	$sig->send;	3790	$sig->send;
3346	}	3791	}
3347	while (my $sig = shift @WAIT_FOR_TICK) {	3792	while (my $sig = shift @WAIT_FOR_TICK) {
3348	$sig->send;	3793	$sig->send;
3349	}	3794	}
3350		3795
3351	$NOW = Event::time;	3796	$LOAD = ($NOW - $TICK_START) / $TICK;
3352
3353	# if we are delayed by four ticks or more, skip them all
3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3355
3356	$TICK_WATCHER->at ($NEXT_TICK);
3357	$TICK_WATCHER->start;
3358
3359	$LOAD = ($NOW - $tick_start) / $TICK;
3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3797	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3361		3798
3362	_post_tick;	3799	if (0) {
3363		3800	if ($NEXT_TICK) {
3364		3801	my $jitter = $TICK_START - $NEXT_TICK;
		3802	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3803	warn "jitter $JITTER\n";#d#
		3804	}
3365	},	3805	}
3366	);	3806	}
3367		3807
3368	{	3808	{
3369	BDB::max_poll_time $TICK * 0.1;	3809	# configure BDB
3370	$BDB_POLL_WATCHER = Event->io (	3810
3371	reentrant => 0,
3372	fd => BDB::poll_fileno,
3373	poll => 'r',
3374	prio => 0,
3375	data => WF_AUTOCANCEL,
3376	cb => \&BDB::poll_cb,
3377	);
3378	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
3379		3812	BDB::max_poll_reqs $TICK * 0.1;
3380	BDB::set_sync_prepare {	3813	$AnyEvent::BDB::WATCHER->priority (1);
3381	my $status;
3382	my $current = $Coro::current;
3383	(
3384	sub {
3385	$status = $!;
3386	$current->ready; undef $current;
3387	},
3388	sub {
3389	Coro::schedule while defined $current;
3390	$! = $status;
3391	},
3392	)
3393	};
3394		3814
3395	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
3396	$DB_ENV = BDB::db_env_create;	3816	$DB_ENV = BDB::db_env_create;
		3817	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3818	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3819	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3820	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3821	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3397		3822
3398	cf::sync_job {	3823	cf::sync_job {
3399	eval {	3824	eval {
3400	BDB::db_env_open	3825	BDB::db_env_open
3401	$DB_ENV,	3826	$DB_ENV,
…		…
3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3828	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3829	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3405	0666;	3830	0666;
3406		3831
3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3832	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3408
3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3410	$DB_ENV->set_lk_detect;
3411	};	3833	};
3412		3834
3413	cf::cleanup "db_env_open(db): $@" if $@;	3835	cf::cleanup "db_env_open(db): $@" if $@;
3414	};	3836	};
3415	}	3837	}
		3838
		3839	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3840	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3841	};
		3842	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3843	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3844	};
		3845	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3846	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3847	};
3416	}	3848	}
3417		3849
3418	{	3850	{
		3851	# configure IO::AIO
		3852
3419	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
3420
3421	undef $Coro::AIO::WATCHER;
3422	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
3423	$AIO_POLL_WATCHER = Event->io (	3855	undef $AnyEvent::AIO::WATCHER;
3424	reentrant => 0,
3425	data => WF_AUTOCANCEL,
3426	fd => IO::AIO::poll_fileno,
3427	poll => 'r',
3428	prio => 6,
3429	cb => \&IO::AIO::poll_cb,
3430	);
3431	}	3856	}
3432		3857
3433	my $_log_backtrace;	3858	my $_log_backtrace;
3434		3859
3435	sub _log_backtrace {	3860	sub _log_backtrace {
…		…
3438	$msg =~ s/\n//;	3863	$msg =~ s/\n//;
3439		3864
3440	# limit the # of concurrent backtraces	3865	# limit the # of concurrent backtraces
3441	if ($_log_backtrace < 2) {	3866	if ($_log_backtrace < 2) {
3442	++$_log_backtrace;	3867	++$_log_backtrace;
		3868	my $perl_bt = Carp::longmess $msg;
3443	async {	3869	async {
		3870	$Coro::current->{desc} = "abt $msg";
		3871
3444	my @bt = fork_call {	3872	my @bt = fork_call {
3445	@addr = map { sprintf "%x", $_ } @addr;	3873	@addr = map { sprintf "%x", $_ } @addr;
3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3874	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3875	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3448	or die "addr2line: $!";	3876	or die "addr2line: $!";
…		…
3456	}	3884	}
3457		3885
3458	@funcs	3886	@funcs
3459	};	3887	};
3460		3888
3461	LOG llevInfo, "[ABT] $msg\n";	3889	LOG llevInfo, "[ABT] $perl_bt\n";
		3890	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3462	LOG llevInfo, "[ABT] $_\n" for @bt;	3891	LOG llevInfo, "[ABT] $_\n" for @bt;
3463	--$_log_backtrace;	3892	--$_log_backtrace;
3464	};	3893	};
3465	} else {	3894	} else {
3466	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $msg\n";

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