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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.464 by root, Thu Jan 1 18:35:48 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
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}
…		…
1181	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1182		1291
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1293
1185	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1187	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1188	$pl->ext_reply ($msg->{msgid}, %reply);
1189	}
1190	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1191	} else {	1309	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1311	}
1194		1312
1195	cf::override;	1313	cf::override;
1196	},	1314	},
1197	);	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	}
1198		1329
1199	sub load_extensions {	1330	sub load_extensions {
1200	cf::sync_job {	1331	cf::sync_job {
1201	my %todo;	1332	my %todo;
1202		1333
…		…
1222		1353
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1356
1226	$ext{source} =	1357	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1228	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1229	. $source	1360	. $source
1230	. "\n};\n1";	1361	. "\n};\n1";
1231		1362
1232	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1248	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1249	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1250		1381
1251	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1252	warn $msg;	1383	warn $msg;
1253	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1254	exit 1;
1255	}	1385	}
1256		1386
1257	warn $msg;	1387	warn $msg;
1258	}	1388	}
1259		1389
…		…
1273		1403
1274	=back	1404	=back
1275		1405
1276	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1277		1407
1278	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1279		1409
1280	=cut	1410	=cut
1281		1411
1282	package cf::player;	1412	package cf::player;
1283		1413
1284	use Coro::AIO;	1414	use Coro::AIO;
1285		1415
1286	=head3 cf::player	1416	=head3 cf::player
1287		1417
1288	=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	}
1289		1433
1290	=item cf::player::find $login	1434	=item cf::player::find $login
1291		1435
1292	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1293		1437
…		…
1312		1456
1313	sub exists($) {	1457	sub exists($) {
1314	my ($login) = @_;	1458	my ($login) = @_;
1315		1459
1316	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1317	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1318	}	1462	}
1319		1463
1320	sub find($) {	1464	sub find($) {
1321	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1322	my $login = $_[0];	1466	my $login = $_[0];
…		…
1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1333		1477
1334	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1335	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;
1336	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1337	}	1487	}
1338	}	1488	}
1339	}	1489	}
1340		1490
…		…
1349	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1350		1500
1351	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1352	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1353		1503
		1504	cf::get_slot 0.01;
		1505
1354	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1355	Coro::cede;	1507	cf::cede_to_tick;
1356	}	1508	}
1357		1509
1358	sub new($) {	1510	sub new($) {
1359	my ($login) = @_;	1511	my ($login) = @_;
1360		1512
…		…
1366	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1367		1519
1368	$self	1520	$self
1369	}	1521	}
1370		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
1371	=item $pl->quit_character	1533	=item $pl->quit_character
1372		1534
1373	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1374	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1375		1537
…		…
1379	my ($pl) = @_;	1541	my ($pl) = @_;
1380		1542
1381	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1382		1544
1383	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1384	$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
1385		1547
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1390		1554
1391	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1428	or return [];	1592	or return [];
1429		1593
1430	my @logins;	1594	my @logins;
1431		1595
1432	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") {
1433	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1435	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1436		1606
1437	utf8::decode $login;	1607	utf8::decode $login;
1438	push @logins, $login;	1608	push @logins, $login;
1439	}	1609	}
1440		1610
…		…
1467	}	1637	}
1468		1638
1469	\@paths	1639	\@paths
1470	}	1640	}
1471		1641
1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473		1643
1474	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1475		1645
1476	=cut
1477
1478	sub expand_cfpod {
1479	((my $self), (local $_)) = @_;
1480
1481	# escape & and <
1482	s/&/&amp;/g;
1483	s/(?<![BIUGH])</&lt;/g;
1484
1485	# this is buggy, it needs to properly take care of nested <'s
1486
1487	1 while
1488	# replace B<>, I<>, U<> etc.
1489	s/B<([^\>]*)>/<b>$1<\/b>/
1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
1492	# replace G<male|female> tags
1493	|| s{G<([^>|]*)\|([^>]*)>}{
1494	$self->gender ? $2 : $1
1495	}ge
1496	# replace H<hint text>
1497	|| s{H<([^\>]*)>}
1498	{
1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501	"")
1502	[$self->{hintmode}]
1503	}ge;
1504
1505	# create single paragraphs (very hackish)
1506	s/(?<=\S)\n(?=\w)/ /g;
1507
1508	# compress some whitespace
1509	s/\s+\n/\n/g; # ws line-ends
1510	s/\n\n+/\n/g; # double lines
1511	s/^\n+//; # beginning lines
1512	s/\n+$//; # ending lines
1513
1514	$_
1515	}
1516
1517	sub hintmode {
1518	$_[0]{hintmode} = $_[1] if @_ > 1;
1519	$_[0]{hintmode}
1520	}
1521
1522	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1523		1647
1524	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1525		1649
1526	=cut	1650	=cut
1527		1651
1528	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1529	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1530		1654
1531	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533	}	1656	}
1534		1657
1535	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1536		1659
1537	Sends an ext event to the client.	1660	Sends an ext event to the client.
1538		1661
1539	=cut	1662	=cut
1540		1663
1541	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1542	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1543		1666
1544	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1545	}	1668	}
1546		1669
1547	=head3 cf::region	1670	=head3 cf::region
1548		1671
1549	=over 4	1672	=over 4
…		…
1593	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1594	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1595		1718
1596	sub generate_random_map {	1719	sub generate_random_map {
1597	my ($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
1598	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1599	$self->_create_random_map (	1725	$self->_create_random_map (
1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1724		1850
1725	# the temporary/swap location	1851	# the temporary/swap location
1726	sub save_path {	1852	sub save_path {
1727	my ($self) = @_;	1853	my ($self) = @_;
1728		1854
1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1731	}	1857	}
1732		1858
1733	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1734	sub uniq_path {	1860	sub uniq_path {
1735	my ($self) = @_;	1861	my ($self) = @_;
1736		1862
1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1739	}
1740
1741	# and all this just because we cannot iterate over
1742	# all maps in C++...
1743	sub change_all_map_light {
1744	my ($change) = @_;
1745
1746	$_->change_map_light ($change)
1747	for grep $_->outdoor, values %cf::MAP;
1748	}	1865	}
1749		1866
1750	sub decay_objects {	1867	sub decay_objects {
1751	my ($self) = @_;	1868	my ($self) = @_;
1752		1869
…		…
1765		1882
1766	sub load_header_from($) {	1883	sub load_header_from($) {
1767	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1768		1885
1769	utf8::encode $path;	1886	utf8::encode $path;
1770	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1771	# or return;
1772
1773	$self->_load_header ($path)
1774	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;
1775		1895
1776	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1777		1897
1778	1	1898	1
1779	}	1899	}
…		…
1833	sub find {	1953	sub find {
1834	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1835		1955
1836	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1837		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1838	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1839		1960
1840	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1841	my $guard = cf::lock_acquire "map_find:$path";
1842	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1843	or return;	1963	or return;
1844		1964
1845	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1846		1966
…		…
1848	or return;	1968	or return;
1849		1969
1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1852	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1853	$map->reset;	1975	$map->reset;
1854	undef $guard;
1855	return find $path;	1976	return find $path;
1856	}	1977	}
1857		1978
1858	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1859	}	1980	}
…		…
1868	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1869		1990
1870	my $path = $self->{path};	1991	my $path = $self->{path};
1871		1992
1872	{	1993	{
1873	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1874		1995
		1996	return unless $self->valid;
1875	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1876		1998
1877	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1878		2000
1879	$self->alloc;	2001	$self->alloc;
1880		2002
1881	$self->pre_load;	2003	$self->pre_load;
1882	Coro::cede;	2004	cf::cede_to_tick;
1883		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1884	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1885	or return;	2009	or return;
1886		2010
1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1888	if delete $self->{load_original};	2012	if delete $self->{load_original};
1889		2013
1890	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1891	utf8::encode $uniq;	2015	utf8::encode $uniq;
1892	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1893	$self->clear_unique_items;	2018	$self->clear_unique_items;
1894	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1895	}	2022	}
1896	}	2023	}
1897		2024
1898	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1899	# now do the right thing for maps	2028	# now do the right thing for maps
1900	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1901	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1902	unless $self->difficulty;	2031	unless $self->difficulty;
1903	Coro::cede;	2032	cf::cede_to_tick;
1904		2033
1905	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1906	$self->decay_objects;	2035	$self->decay_objects;
1907	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1908	$self->update_buttons;	2037	$self->update_buttons;
1909	Coro::cede;	2038	cf::cede_to_tick;
1910	$self->set_darkness_map;
1911	Coro::cede;
1912	$self->activate;	2039	$self->activate;
1913	}	2040	}
1914		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1915	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1916	}	2046	}
1917		2047
1918	$self->post_load;	2048	$self->post_load;
1919	}	2049	}
1920		2050
…		…
1929		2059
1930	$self	2060	$self
1931	}	2061	}
1932		2062
1933	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1934	sub load_diag {	2064	sub load_neighbours {
1935	my ($map) = @_;	2065	my ($map) = @_;
1936		2066
1937	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1938		2068
1939	for (0 .. 3) {	2069	for (0 .. 3) {
1940	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1941	or next;	2071	or next;
1942	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1943	or next;	2073	or next;
1944	$neigh->load;	2074	$neigh->load;
1945		2075
		2076	push @neigh,
1946	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1947	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1948	}	2079	}
1949		2080
1950	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1951	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1952	or next;	2084	or next;
1953	$neigh->load;	2085	$neigh->load;
1954	}	2086	}
1955	}	2087	}
1956		2088
…		…
1961	}	2093	}
1962		2094
1963	sub do_load_sync {	2095	sub do_load_sync {
1964	my ($map) = @_;	2096	my ($map) = @_;
1965		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1966	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1967	}	2102	}
1968		2103
1969	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1970	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1971		2106
1972	sub find_async {	2107	sub find_async {
1973	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1974		2109
1975	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1976		2111
1977	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979	}	2114	}
1980		2115
1981	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1982	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1983	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1984	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $path) {	2123	if (my $map = find $k) {
1986	$map->load;	2124	$map->load if $v;
1987	}	2125	}
1988		2126
1989	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1990	}	2128	}
1991	}	2129	}
1992	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1993	};	2131	};
1994	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1997	}	2135	}
1998		2136
1999	sub save {	2137	sub save {
2000	my ($self) = @_;	2138	my ($self) = @_;
2001		2139
2002	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2141
2004	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
2005		2143
2006	return unless $self->dirty;	2144	return unless $self->dirty;
2007		2145
…		…
2013	return if $self->{deny_save};	2151	return if $self->{deny_save};
2014		2152
2015	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
2016		2154
2017	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2019	};	2158	};
		2159
		2160	cf::get_slot 0.02;
2020		2161
2021	if ($uniq) {	2162	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2165	} else {
…		…
2030	my ($self) = @_;	2171	my ($self) = @_;
2031		2172
2032	# save first because save cedes	2173	# save first because save cedes
2033	$self->save;	2174	$self->save;
2034		2175
2035	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2177
2037	return if $self->players;	2178	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2180	return if $self->{deny_save};
2040		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2186	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2187	}
2044		2188
2045	sub reset_at {	2189	sub reset_at {
2046	my ($self) = @_;	2190	my ($self) = @_;
2047		2191
…		…
2079	if $uniq;	2223	if $uniq;
2080	}	2224	}
2081		2225
2082	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
2083		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2230	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2231
2088	$self->unlink_save;	2232	$self->unlink_save;
2089	$self->destroy;	2233	$self->destroy;
2090	}	2234	}
2091		2235
2092	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2093		2237
2094	sub nuke {	2238	sub nuke {
2095	my ($self) = @_;	2239	my ($self) = @_;
2096		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2097	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2098		2245
2099	$self->unlink_save;	2246	$self->unlink_save;
2100		2247
2101	bless $self, "cf::map";	2248	bless $self, "cf::map";
2102	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2103	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2104	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106		2253
2107	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2108		2256
2109	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2110	}	2258	}
2111		2259
2112	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2154		2302
2155	sub unique_maps() {	2303	sub unique_maps() {
2156	[	2304	[
2157	map {	2305	map {
2158	utf8::decode $_;	2306	utf8::decode $_;
2159	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2160	? normalise $_	2310	: normalise $_
2161	: ()
2162	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2163	]	2312	]
2164	}	2313	}
2165		2314
2166	package cf;
2167
2168	=back	2315	=back
2169		2316
2170	=head3 cf::object	2317	=head3 cf::object
2171		2318
2172	=cut	2319	=cut
…		…
2175		2322
2176	=over 4	2323	=over 4
2177		2324
2178	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2179		2326
2180	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.
2181		2329
2182	=cut	2330	=cut
2183		2331
2184	sub inv_recursive_;	2332	sub inv_recursive_;
2185	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2188		2336
2189	sub inv_recursive {	2337	sub inv_recursive {
2190	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2191	}	2339	}
2192		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
2193	package cf;	2369	package cf;
2194		2370
2195	=back	2371	=back
2196		2372
2197	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2203	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>
2204	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
2205	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2206		2382
2207	=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	};
2208		2398
2209	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2210	# with dialog boxes.	2400	# with dialog boxes.
2211	#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
2212	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2219		2409
2220	} else {	2410	} else {
2221	my $pl = $self->contr;	2411	my $pl = $self->contr;
2222		2412
2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224	my $diag = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2225	$diag->{pl}->ext_reply (	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226	$diag->{id},
2227	msgtype => "reply",
2228	msg => $diag->{pl}->expand_cfpod ($msg),
2229	add_topics => []
2230	);
2231		2416
2232	} else {	2417	} else {
2233	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2234	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235	}	2420	}
2236	}	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 (@_);
2237	}	2432	}
2238		2433
2239	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2240		2435
2241	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2254		2449
2255	=item $player_object->enter_link	2450	=item $player_object->enter_link
2256		2451
2257	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}>).
2258		2453
2259	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.
2260	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.
2261		2458
2262	Will never block.	2459	Will never block.
2263		2460
2264	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2265		2462
…		…
2320	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2321	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2322	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2323		2520
2324	$map->load;	2521	$map->load;
2325	$map->load_diag;	2522	$map->load_neighbours;
2326		2523
2327	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2328	$self->activate_recursive;	2526	$self->activate_recursive;
2329		2527
2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2332	}	2530	}
…		…
2337	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2338	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
2339	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
2340	be called at the end of this process.	2538	be called at the end of this process.
2341		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
2342	=cut	2543	=cut
2343		2544
2344	our $GOTOGEN;	2545	our $GOTOGEN;
2345		2546
2346	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
…		…
2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351		2552
2352	$self->enter_link;	2553	$self->enter_link;
2353		2554
2354	(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
2355	my $map = eval {	2577	my $map = eval {
2356	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2357		2579
2358	if ($map) {	2580	if ($map) {
2359	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2360	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2361	} else {	2583	} else {
2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363	}	2585	}
2364		2586
2365	$map	2587	$map
2366	};	2588	};
2367		2589
…		…
2403	}	2625	}
2404		2626
2405	sub prepare_random_map {	2627	sub prepare_random_map {
2406	my ($exit) = @_;	2628	my ($exit) = @_;
2407		2629
2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2411	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2412	# that depends on the exit object	2632	# that depends on the exit object
2413		2633
2414	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2416	if ($exit->map) {	2636	if ($exit->map) {
2417	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2418	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2419	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2420	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2421	}	2643	}
2422		2644
2423	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2424		2646
2425	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2427	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2428		2650
2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2431	undef $fh;	2653	undef $fh;
2432	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2433		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2434	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2435	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2436	}	2662	}
2437	}	2663	}
2438		2664
2439	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2440	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2441		2667
2442	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2443		2669
2444	if ($exit->slaying eq "/!") {
2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
2446	# the problem is that $exit might not survive long enough
2447	# so it needs to be done right now, right here
2448	cf::sync_job { prepare_random_map $exit };
2449	}
2450
2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452	my $hp = $exit->stats->hp;
2453	my $sp = $exit->stats->sp;
2454
2455	$self->enter_link;	2670	$self->enter_link;
2456		2671
2457	# if exit is damned, update players death & WoR home-position
2458	$self->contr->savebed ($slaying, $hp, $sp)
2459	if $exit->flag (FLAG_DAMNED);
2460
2461	(async {	2672	(async {
2462	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2463	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
2464	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2465		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
2466	1;	2696	1
2467	}) {	2697	}) {
2468	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2469	. "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. "
2470	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2471	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2472		2702
2473	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2501	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2502	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2503		2733
2504	=cut	2734	=cut
2505		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/death" => {
		2799	id => "death",
		2800	title => "Death",
		2801	reply => undef,
		2802	tooltip => "Reason for and more info about your most recent death",
		2803	},
		2804	"c/say" => $SAY_CHANNEL,
		2805	"c/chat" => $CHAT_CHANNEL,
		2806	);
		2807
2506	sub cf::client::send_msg {	2808	sub cf::client::send_msg {
2507	my ($self, $channel, $msg, $color, @extra) = @_;	2809	my ($self, $channel, $msg, $color, @extra) = @_;
2508		2810
2509	$msg = $self->pl->expand_cfpod ($msg);	2811	$msg = $self->pl->expand_cfpod ($msg)
		2812	unless $color & cf::NDI_VERBATIM;
2510		2813
2511	$color &= ~cf::NDI_UNIQUE; # just in case...	2814	$color &= cf::NDI_CLIENT_MASK; # just in case...
2512		2815
		2816	# check predefined channels, for the benefit of C
		2817	if ($CHANNEL{$channel}) {
		2818	$channel = $CHANNEL{$channel};
		2819
		2820	$self->ext_msg (channel_info => $channel);
		2821	$channel = $channel->{id};
		2822
2513	if (ref $channel) {	2823	} elsif (ref $channel) {
2514	# send meta info to client, if not yet sent	2824	# send meta info to client, if not yet sent
2515	unless (exists $self->{channel}{$channel->{id}}) {	2825	unless (exists $self->{channel}{$channel->{id}}) {
2516	$self->{channel}{$channel->{id}} = $channel;	2826	$self->{channel}{$channel->{id}} = $channel;
2517	$self->ext_event (channel_info => %$channel);	2827	$self->ext_msg (channel_info => $channel);
2518	}	2828	}
2519		2829
2520	$channel = $channel->{id};	2830	$channel = $channel->{id};
2521	}	2831	}
2522		2832
2523	return unless @extra || length $msg;	2833	return unless @extra || length $msg;
2524		2834
2525	if ($self->can_msg) {	2835	# default colour, mask it out
2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2836	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	} else {	2837	if $color & cf::NDI_DEF;
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		2838
2538	if ($color >= 0) {	2839	my $pkt = "msg "
2539	if (0 && $msg =~ /\[/) {	2840	. $self->{json_coder}->encode (
2540	$self->send_packet ("drawextinfo $color 4 0 $msg")	2841	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	2842	);
2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543	$self->send_packet ("drawinfo $color $msg")
2544	}
2545	}
2546	}
2547	}
2548		2843
		2844	# try lzf for large packets
		2845	$pkt = "lzf " . Compress::LZF::compress $pkt
		2846	if 1024 <= length $pkt and $self->{can_lzf};
		2847
		2848	# split very large packets
		2849	if (8192 < length $pkt and $self->{can_lzf}) {
		2850	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2851	$pkt = "frag";
		2852	}
		2853
		2854	$self->send_packet ($pkt);
		2855	}
		2856
2549	=item $client->ext_event ($type, %msg)	2857	=item $client->ext_msg ($type, @msg)
2550		2858
2551	Sends an ext event to the client.	2859	Sends an ext event to the client.
2552		2860
2553	=cut	2861	=cut
2554		2862
2555	sub cf::client::ext_event($$%) {	2863	sub cf::client::ext_msg($$@) {
2556	my ($self, $type, %msg) = @_;	2864	my ($self, $type, @msg) = @_;
2557		2865
2558	return unless $self->extcmd;	2866	if ($self->extcmd == 2) {
2559		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2868	} elsif ($self->extcmd == 1) { # TODO: remove
2560	$msg{msgtype} = "event_$type";	2869	push @msg, msgtype => "event_$type";
2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2870	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2871	}
		2872	}
		2873
		2874	=item $client->ext_reply ($msgid, @msg)
		2875
		2876	Sends an ext reply to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_reply($$@) {
		2881	my ($self, $id, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2885	} elsif ($self->extcmd == 1) {
		2886	#TODO: version 1, remove
		2887	unshift @msg, msgtype => "reply", msgid => $id;
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
2562	}	2890	}
2563		2891
2564	=item $success = $client->query ($flags, "text", \&cb)	2892	=item $success = $client->query ($flags, "text", \&cb)
2565		2893
2566	Queues a query to the client, calling the given callback with	2894	Queues a query to the client, calling the given callback with
…		…
2621	my ($ns, $buf) = @_;	2949	my ($ns, $buf) = @_;
2622		2950
2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2951	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624		2952
2625	if (ref $msg) {	2953	if (ref $msg) {
		2954	my ($type, $reply, @payload) =
		2955	"ARRAY" eq ref $msg
		2956	? @$msg
		2957	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2958
		2959	my @reply;
		2960
2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2961	if (my $cb = $EXTICMD{$type}) {
2627	if (my %reply = $cb->($ns, $msg)) {	2962	@reply = $cb->($ns, @payload);
2628	$reply{msgid} = $msg->{msgid};
2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630	}
2631	}	2963	}
		2964
		2965	$ns->ext_reply ($reply, @reply)
		2966	if $reply;
		2967
2632	} else {	2968	} else {
2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2969	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634	}	2970	}
2635		2971
2636	cf::override;	2972	cf::override;
…		…
2683	our $safe = new Safe "safe";	3019	our $safe = new Safe "safe";
2684	our $safe_hole = new Safe::Hole;	3020	our $safe_hole = new Safe::Hole;
2685		3021
2686	$SIG{FPE} = 'IGNORE';	3022	$SIG{FPE} = 'IGNORE';
2687		3023
2688	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3024	$safe->permit_only (Opcode::opset qw(
		3025	:base_core :base_mem :base_orig :base_math
		3026	grepstart grepwhile mapstart mapwhile
		3027	sort time
		3028	));
2689		3029
2690	# here we export the classes and methods available to script code	3030	# here we export the classes and methods available to script code
2691		3031
2692	=pod	3032	=pod
2693		3033
2694	The following functions and methods are available within a safe environment:	3034	The following functions and methods are available within a safe environment:
2695		3035
2696	cf::object	3036	cf::object
2697	contr pay_amount pay_player map x y force_find force_add	3037	contr pay_amount pay_player map x y force_find force_add destroy
2698	insert remove	3038	insert remove name archname title slaying race decrease split
2699		3039
2700	cf::object::player	3040	cf::object::player
2701	player	3041	player
2702		3042
2703	cf::player	3043	cf::player
…		…
2708		3048
2709	=cut	3049	=cut
2710		3050
2711	for (	3051	for (
2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3052	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713	insert remove)],	3053	insert remove inv nrof name archname title slaying race
		3054	decrease split destroy change_exp)],
2714	["cf::object::player" => qw(player)],	3055	["cf::object::player" => qw(player)],
2715	["cf::player" => qw(peaceful)],	3056	["cf::player" => qw(peaceful)],
2716	["cf::map" => qw(trigger)],	3057	["cf::map" => qw(trigger)],
2717	) {	3058	) {
2718	no strict 'refs';	3059	no strict 'refs';
…		…
2794	# the server's init and main functions	3135	# the server's init and main functions
2795		3136
2796	sub load_facedata($) {	3137	sub load_facedata($) {
2797	my ($path) = @_;	3138	my ($path) = @_;
2798		3139
		3140	# HACK to clear player env face cache, we need some signal framework
		3141	# for this (global event?)
		3142	%ext::player_env::MUSIC_FACE_CACHE = ();
		3143
		3144	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3145
2799	warn "loading facedata from $path\n";	3146	warn "loading facedata from $path\n";
2800		3147
2801	my $facedata;	3148	my $facedata;
2802	0 < aio_load $path, $facedata	3149	0 < aio_load $path, $facedata
2803	or die "$path: $!";	3150	or die "$path: $!";
…		…
2805	$facedata = Coro::Storable::thaw $facedata;	3152	$facedata = Coro::Storable::thaw $facedata;
2806		3153
2807	$facedata->{version} == 2	3154	$facedata->{version} == 2
2808	or cf::cleanup "$path: version mismatch, cannot proceed.";	3155	or cf::cleanup "$path: version mismatch, cannot proceed.";
2809		3156
		3157	# patch in the exptable
		3158	$facedata->{resource}{"res/exp_table"} = {
		3159	type => FT_RSRC,
		3160	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3161	};
		3162	cf::cede_to_tick;
		3163
2810	{	3164	{
2811	my $faces = $facedata->{faceinfo};	3165	my $faces = $facedata->{faceinfo};
2812		3166
2813	while (my ($face, $info) = each %$faces) {	3167	while (my ($face, $info) = each %$faces) {
2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3168	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3169
2815	cf::face::set_visibility $idx, $info->{visibility};	3170	cf::face::set_visibility $idx, $info->{visibility};
2816	cf::face::set_magicmap $idx, $info->{magicmap};	3171	cf::face::set_magicmap $idx, $info->{magicmap};
2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3172	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3173	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2819		3174
2820	cf::cede_to_tick;	3175	cf::cede_to_tick;
2821	}	3176	}
2822		3177
2823	while (my ($face, $info) = each %$faces) {	3178	while (my ($face, $info) = each %$faces) {
2824	next unless $info->{smooth};	3179	next unless $info->{smooth};
		3180
2825	my $idx = cf::face::find $face	3181	my $idx = cf::face::find $face
2826	or next;	3182	or next;
		3183
2827	if (my $smooth = cf::face::find $info->{smooth}) {	3184	if (my $smooth = cf::face::find $info->{smooth}) {
2828	cf::face::set_smooth $idx, $smooth;	3185	cf::face::set_smooth $idx, $smooth;
2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3186	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830	} else {	3187	} else {
2831	warn "smooth face '$info->{smooth}' not found for face '$face'";	3188	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2848		3205
2849	{	3206	{
2850	# TODO: for gcfclient pleasure, we should give resources	3207	# TODO: for gcfclient pleasure, we should give resources
2851	# that gcfclient doesn't grok a >10000 face index.	3208	# that gcfclient doesn't grok a >10000 face index.
2852	my $res = $facedata->{resource};	3209	my $res = $facedata->{resource};
2853	my $enc = JSON::XS->new->utf8->canonical;
2854		3210
2855	while (my ($name, $info) = each %$res) {	3211	while (my ($name, $info) = each %$res) {
2856	my $meta = $enc->encode ({	3212	if (defined $info->{type}) {
2857	name => $name,
2858	type => $info->{type},
2859	copyright => $info->{copyright}, #TODO#
2860	});
2861
2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3213	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3214	my $data;
2863		3215
2864	if ($name =~ /\.jpg$/) {	3216	if ($info->{type} & 1) {
2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3217	# prepend meta info
2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3218
		3219	my $meta = $enc->encode ({
		3220	name => $name,
		3221	%{ $info->{meta} || {} },
		3222	});
		3223
		3224	$data = pack "(w/a*)*", $meta, $info->{data};
		3225	} else {
		3226	$data = $info->{data};
		3227	}
		3228
		3229	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3230	cf::face::set_type $idx, $info->{type};
2867	} else {	3231	} else {
2868	my $data = pack "(w/a*)*", $meta, $info->{data};	3232	$RESOURCE{$name} = $info;
2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871	cf::face::set_type $idx, 1;
2872	cf::face::set_data $idx, 0, $data, $chk;
2873	}	3233	}
2874		3234
2875	cf::cede_to_tick;	3235	cf::cede_to_tick;
2876	}	3236	}
2877	}	3237	}
2878		3238
		3239	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3240
2879	1	3241	1
2880	}	3242	}
2881		3243
		3244	cf::global->attach (on_resource_update => sub {
		3245	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3246	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3247
		3248	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3249	my $sound = $soundconf->{compat}[$_]
		3250	or next;
		3251
		3252	my $face = cf::face::find "sound/$sound->[1]";
		3253	cf::sound::set $sound->[0] => $face;
		3254	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3255	}
		3256
		3257	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3258	my $face = cf::face::find "sound/$v";
		3259	cf::sound::set $k => $face;
		3260	}
		3261	}
		3262	});
		3263
		3264	register_exticmd fx_want => sub {
		3265	my ($ns, $want) = @_;
		3266
		3267	while (my ($k, $v) = each %$want) {
		3268	$ns->fx_want ($k, $v);
		3269	}
		3270	};
		3271
		3272	sub load_resource_file($) {
		3273	my $guard = lock_acquire "load_resource_file";
		3274
		3275	my $status = load_resource_file_ $_[0];
		3276	get_slot 0.1, 100;
		3277	cf::arch::commit_load;
		3278
		3279	$status
		3280	}
		3281
2882	sub reload_regions {	3282	sub reload_regions {
		3283	# HACK to clear player env face cache, we need some signal framework
		3284	# for this (global event?)
		3285	%ext::player_env::MUSIC_FACE_CACHE = ();
		3286
2883	load_resource_file "$MAPDIR/regions"	3287	load_resource_file "$MAPDIR/regions"
2884	or die "unable to load regions file\n";	3288	or die "unable to load regions file\n";
2885		3289
2886	for (cf::region::list) {	3290	for (cf::region::list) {
2887	$_->{match} = qr/$_->{match}/	3291	$_->{match} = qr/$_->{match}/
…		…
2895	}	3299	}
2896		3300
2897	sub reload_archetypes {	3301	sub reload_archetypes {
2898	load_resource_file "$DATADIR/archetypes"	3302	load_resource_file "$DATADIR/archetypes"
2899	or die "unable to load archetypes\n";	3303	or die "unable to load archetypes\n";
2900	#d# NEED to laod twice to resolve forward references
2901	# this really needs to be done in an extra post-pass
2902	# (which needs to be synchronous, so solve it differently)
2903	load_resource_file "$DATADIR/archetypes"
2904	or die "unable to load archetypes\n";
2905	}	3304	}
2906		3305
2907	sub reload_treasures {	3306	sub reload_treasures {
2908	load_resource_file "$DATADIR/treasures"	3307	load_resource_file "$DATADIR/treasures"
2909	or die "unable to load treasurelists\n";	3308	or die "unable to load treasurelists\n";
2910	}	3309	}
2911		3310
2912	sub reload_resources {	3311	sub reload_resources {
2913	warn "reloading resource files...\n";	3312	warn "reloading resource files...\n";
2914		3313
		3314	reload_facedata;
		3315	reload_archetypes;
2915	reload_regions;	3316	reload_regions;
2916	reload_facedata;
2917	#reload_archetypes;#d#
2918	reload_archetypes;
2919	reload_treasures;	3317	reload_treasures;
2920		3318
2921	warn "finished reloading resource files\n";	3319	warn "finished reloading resource files\n";
2922	}	3320	}
2923		3321
2924	sub init {	3322	sub reload_config {
2925	reload_resources;
2926	}
2927
2928	sub cfg_load {
2929	open my $fh, "<:utf8", "$CONFDIR/config"	3323	open my $fh, "<:utf8", "$CONFDIR/config"
2930	or return;	3324	or return;
2931		3325
2932	local $/;	3326	local $/;
2933	*CFG = YAML::Syck::Load <$fh>;	3327	*CFG = YAML::Load <$fh>;
2934		3328
2935	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3329	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2936		3330
2937	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3331	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2938	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3332	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2944	};	3338	};
2945	warn $@ if $@;	3339	warn $@ if $@;
2946	}	3340	}
2947	}	3341	}
2948		3342
		3343	sub pidfile() {
		3344	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3345	or die "$PIDFILE: $!";
		3346	flock $fh, &Fcntl::LOCK_EX
		3347	or die "$PIDFILE: flock: $!";
		3348	$fh
		3349	}
		3350
		3351	# make sure only one server instance is running at any one time
		3352	sub atomic {
		3353	my $fh = pidfile;
		3354
		3355	my $pid = <$fh>;
		3356	kill 9, $pid if $pid > 0;
		3357
		3358	seek $fh, 0, 0;
		3359	print $fh $$;
		3360	}
		3361
2949	sub main {	3362	sub main {
		3363	cf::init_globals; # initialise logging
		3364
		3365	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3366	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3367	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3368	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3369
		3370	cf::init_experience;
		3371	cf::init_anim;
		3372	cf::init_attackmess;
		3373	cf::init_dynamic;
		3374
		3375	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3376
2950	# we must not ever block the main coroutine	3377	# we must not ever block the main coroutine
2951	local $Coro::idle = sub {	3378	local $Coro::idle = sub {
2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3379	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2953	(async {	3380	(async {
2954	Event::one_event;	3381	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3382	EV::loop EV::LOOP_ONESHOT;
2955	})->prio (Coro::PRIO_MAX);	3383	})->prio (Coro::PRIO_MAX);
2956	};	3384	};
2957		3385
2958	cfg_load;	3386	evthread_start IO::AIO::poll_fileno;
		3387
		3388	cf::sync_job {
		3389	reload_resources;
		3390	reload_config;
2959	db_init;	3391	db_init;
		3392
		3393	cf::load_settings;
		3394	cf::load_materials;
		3395	cf::init_uuid;
		3396	cf::init_signals;
		3397	cf::init_commands;
		3398	cf::init_skills;
		3399
		3400	cf::init_beforeplay;
		3401
		3402	atomic;
		3403
2960	load_extensions;	3404	load_extensions;
2961		3405
2962	$TICK_WATCHER->start;	3406	utime time, time, $RUNTIMEFILE;
		3407
		3408	# no (long-running) fork's whatsoever before this point(!)
		3409	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3410
		3411	(pop @POST_INIT)->(0) while @POST_INIT;
		3412	};
		3413
2963	Event::loop;	3414	EV::loop;
2964	}	3415	}
2965		3416
2966	#############################################################################	3417	#############################################################################
2967	# initialisation and cleanup	3418	# initialisation and cleanup
2968		3419
2969	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2970	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2971	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2972	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2973	reentrant => 0,
2974	data => WF_AUTOCANCEL,
2975	signal => $signal,
2976	prio => 0,
2977	cb => sub {
2978	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2979	},
2980	);	3426	};
2981	}	3427	}
2982	}	3428	}
2983		3429
2984	sub write_runtime {	3430	sub write_runtime_sync {
2985	my $runtime = "$LOCALDIR/runtime";
2986
2987	# first touch the runtime file to show we are still running:	3431	# first touch the runtime file to show we are still running:
2988	# the fsync below can take a very very long time.	3432	# the fsync below can take a very very long time.
2989		3433
2990	IO::AIO::aio_utime $runtime, undef, undef;	3434	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991		3435
2992	my $guard = cf::lock_acquire "write_runtime";	3436	my $guard = cf::lock_acquire "write_runtime";
2993		3437
2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3438	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2995	or return;	3439	or return;
2996		3440
2997	my $value = $cf::RUNTIME + 90 + 10;	3441	my $value = $cf::RUNTIME + 90 + 10;
2998	# 10 is the runtime save interval, for a monotonic clock	3442	# 10 is the runtime save interval, for a monotonic clock
2999	# 60 allows for the watchdog to kill the server.	3443	# 60 allows for the watchdog to kill the server.
…		…
3009	aio_utime $fh, undef, undef;	3453	aio_utime $fh, undef, undef;
3010		3454
3011	close $fh	3455	close $fh
3012	or return;	3456	or return;
3013		3457
3014	aio_rename "$runtime~", $runtime	3458	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015	and return;	3459	and return;
3016		3460
3017	warn "runtime file written.\n";	3461	warn "runtime file written.\n";
3018		3462
3019	1	3463	1
		3464	}
		3465
		3466	our $uuid_lock;
		3467	our $uuid_skip;
		3468
		3469	sub write_uuid_sync($) {
		3470	$uuid_skip ||= $_[0];
		3471
		3472	return if $uuid_lock;
		3473	local $uuid_lock = 1;
		3474
		3475	my $uuid = "$LOCALDIR/uuid";
		3476
		3477	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3478	or return;
		3479
		3480	my $value = uuid_seq uuid_cur;
		3481
		3482	unless ($value) {
		3483	warn "cowardly refusing to write zero uuid value!\n";
		3484	return;
		3485	}
		3486
		3487	my $value = uuid_str $value + $uuid_skip;
		3488	$uuid_skip = 0;
		3489
		3490	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3491	and return;
		3492
		3493	# always fsync - this file is important
		3494	aio_fsync $fh
		3495	and return;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$uuid~", $uuid
		3501	and return;
		3502
		3503	warn "uuid file written ($value).\n";
		3504
		3505	1
		3506
		3507	}
		3508
		3509	sub write_uuid($$) {
		3510	my ($skip, $sync) = @_;
		3511
		3512	$sync ? write_uuid_sync $skip
		3513	: async { write_uuid_sync $skip };
3020	}	3514	}
3021		3515
3022	sub emergency_save() {	3516	sub emergency_save() {
3023	my $freeze_guard = cf::freeze_mainloop;	3517	my $freeze_guard = cf::freeze_mainloop;
3024		3518
3025	warn "enter emergency perl save\n";	3519	warn "emergency_perl_save: enter\n";
3026		3520
3027	cf::sync_job {	3521	cf::sync_job {
		3522	# this is a trade-off: we want to be very quick here, so
		3523	# save all maps without fsync, and later call a global sync
		3524	# (which in turn might be very very slow)
		3525	local $USE_FSYNC = 0;
		3526
3028	# use a peculiar iteration method to avoid tripping on perl	3527	# use a peculiar iteration method to avoid tripping on perl
3029	# refcount bugs in for. also avoids problems with players	3528	# refcount bugs in for. also avoids problems with players
3030	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
3031	warn "begin emergency player save\n";	3530	warn "emergency_perl_save: begin player save\n";
3032	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
3033	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
3034	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035	$pl->save;	3535	$pl->save;
3036	}	3536	}
3037	warn "end emergency player save\n";	3537	warn "emergency_perl_save: end player save\n";
3038		3538
3039	warn "begin emergency map save\n";	3539	warn "emergency_perl_save: begin map save\n";
3040	for my $path (keys %cf::MAP) {	3540	for my $path (keys %cf::MAP) {
3041	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
3042	$map->valid or next;	3542	$map->valid or next;
3043	$map->save;	3543	$map->save;
3044	}	3544	}
3045	warn "end emergency map save\n";	3545	warn "emergency_perl_save: end map save\n";
3046		3546
3047	warn "begin emergency database checkpoint\n";	3547	warn "emergency_perl_save: begin database checkpoint\n";
3048	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
3049	warn "end emergency database checkpoint\n";	3549	warn "emergency_perl_save: end database checkpoint\n";
		3550
		3551	warn "emergency_perl_save: begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "emergency_perl_save: end write uuid\n";
3050	};	3554	};
3051		3555
		3556	warn "emergency_perl_save: starting sync()\n";
		3557	IO::AIO::aio_sync sub {
		3558	warn "emergency_perl_save: finished sync()\n";
		3559	};
		3560
3052	warn "leave emergency perl save\n";	3561	warn "emergency_perl_save: leave\n";
3053	}	3562	}
3054		3563
3055	sub post_cleanup {	3564	sub post_cleanup {
3056	my ($make_core) = @_;	3565	my ($make_core) = @_;
3057		3566
3058	warn Carp::longmess "post_cleanup backtrace"	3567	warn Carp::longmess "post_cleanup backtrace"
3059	if $make_core;	3568	if $make_core;
		3569
		3570	my $fh = pidfile;
		3571	unlink $PIDFILE if <$fh> == $$;
		3572	}
		3573
		3574	# a safer delete_package, copied from Symbol
		3575	sub clear_package($) {
		3576	my $pkg = shift;
		3577
		3578	# expand to full symbol table name if needed
		3579	unless ($pkg =~ /^main::.*::$/) {
		3580	$pkg = "main$pkg" if $pkg =~ /^::/;
		3581	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3582	$pkg .= '::' unless $pkg =~ /::$/;
		3583	}
		3584
		3585	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3586	my $stem_symtab = *{$stem}{HASH};
		3587
		3588	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3589	or return;
		3590
		3591	# clear all symbols
		3592	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3593	for my $name (keys %$leaf_symtab) {
		3594	_gv_clear *{"$pkg$name"};
		3595	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3596	}
		3597	warn "cleared package $pkg\n";#d#
3060	}	3598	}
3061		3599
3062	sub do_reload_perl() {	3600	sub do_reload_perl() {
3063	# can/must only be called in main	3601	# can/must only be called in main
3064	if ($Coro::current != $Coro::main) {	3602	if ($Coro::current != $Coro::main) {
3065	warn "can only reload from main coroutine";	3603	warn "can only reload from main coroutine";
3066	return;	3604	return;
3067	}	3605	}
3068		3606
		3607	return if $RELOAD++;
		3608
		3609	my $t1 = EV::time;
		3610
		3611	while ($RELOAD) {
3069	warn "reloading...";	3612	warn "reloading...";
3070		3613
3071	warn "entering sync_job";	3614	warn "entering sync_job";
3072		3615
3073	cf::sync_job {	3616	cf::sync_job {
3074	cf::write_runtime; # external watchdog should not bark	3617	cf::write_runtime_sync; # external watchdog should not bark
3075	cf::emergency_save;	3618	cf::emergency_save;
3076	cf::write_runtime; # external watchdog should not bark	3619	cf::write_runtime_sync; # external watchdog should not bark
3077		3620
3078	warn "syncing database to disk";	3621	warn "syncing database to disk";
3079	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3080		3623
3081	# if anything goes wrong in here, we should simply crash as we already saved	3624	# if anything goes wrong in here, we should simply crash as we already saved
3082		3625
3083	warn "cancelling all WF_AUTOCANCEL watchers";
3084	for (Event::all_watchers) {
3085	$_->cancel if $_->data & WF_AUTOCANCEL;
3086	}
3087
3088	warn "flushing outstanding aio requests";	3626	warn "flushing outstanding aio requests";
3089	for (;;) {
3090	BDB::flush;
3091	IO::AIO::flush;
3092	Coro::cede;
3093	last unless IO::AIO::nreqs || BDB::nreqs;	3627	while (IO::AIO::nreqs || BDB::nreqs) {
3094	warn "iterate...";	3628	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3095	}
3096
3097	++$RELOAD;
3098
3099	warn "cancelling all extension coros";
3100	$_->cancel for values %EXT_CORO;
3101	%EXT_CORO = ();
3102
3103	warn "removing commands";
3104	%COMMAND = ();
3105
3106	warn "removing ext/exti commands";
3107	%EXTCMD = ();
3108	%EXTICMD = ();
3109
3110	warn "unloading/nuking all extensions";
3111	for my $pkg (@EXTS) {
3112	warn "... unloading $pkg";
3113
3114	if (my $cb = $pkg->can ("unload")) {
3115	eval {
3116	$cb->($pkg);
3117	1
3118	} or warn "$pkg unloaded, but with errors: $@";
3119	}	3629	}
3120		3630
3121	warn "... nuking $pkg";	3631	warn "cancelling all extension coros";
3122	Symbol::delete_package $pkg;	3632	$_->cancel for values %EXT_CORO;
3123	}	3633	%EXT_CORO = ();
3124		3634
3125	warn "unloading all perl modules loaded from $LIBDIR";	3635	warn "removing commands";
3126	while (my ($k, $v) = each %INC) {	3636	%COMMAND = ();
3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128		3637
		3638	warn "removing ext/exti commands";
		3639	%EXTCMD = ();
		3640	%EXTICMD = ();
		3641
		3642	warn "unloading/nuking all extensions";
		3643	for my $pkg (@EXTS) {
3129	warn "... unloading $k";	3644	warn "... unloading $pkg";
3130	delete $INC{$k};
3131		3645
3132	$k =~ s/\.pm$//;
3133	$k =~ s/\//::/g;
3134
3135	if (my $cb = $k->can ("unload_module")) {	3646	if (my $cb = $pkg->can ("unload")) {
		3647	eval {
3136	$cb->();	3648	$cb->($pkg);
		3649	1
		3650	} or warn "$pkg unloaded, but with errors: $@";
		3651	}
		3652
		3653	warn "... clearing $pkg";
		3654	clear_package $pkg;
3137	}	3655	}
3138		3656
3139	Symbol::delete_package $k;	3657	warn "unloading all perl modules loaded from $LIBDIR";
		3658	while (my ($k, $v) = each %INC) {
		3659	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3660
		3661	warn "... unloading $k";
		3662	delete $INC{$k};
		3663
		3664	$k =~ s/\.pm$//;
		3665	$k =~ s/\//::/g;
		3666
		3667	if (my $cb = $k->can ("unload_module")) {
		3668	$cb->();
		3669	}
		3670
		3671	clear_package $k;
3140	}	3672	}
3141		3673
3142	warn "getting rid of safe::, as good as possible";	3674	warn "getting rid of safe::, as good as possible";
3143	Symbol::delete_package "safe::$_"	3675	clear_package "safe::$_"
3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3676	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3145		3677
3146	warn "unloading cf.pm \"a bit\"";	3678	warn "unloading cf.pm \"a bit\"";
3147	delete $INC{"cf.pm"};	3679	delete $INC{"cf.pm"};
3148	delete $INC{"cf/pod.pm"};	3680	delete $INC{"cf/pod.pm"};
3149		3681
3150	# don't, removes xs symbols, too,	3682	# don't, removes xs symbols, too,
3151	# and global variables created in xs	3683	# and global variables created in xs
3152	#Symbol::delete_package __PACKAGE__;	3684	#clear_package __PACKAGE__;
3153		3685
3154	warn "unload completed, starting to reload now";	3686	warn "unload completed, starting to reload now";
3155		3687
3156	warn "reloading cf.pm";	3688	warn "reloading cf.pm";
3157	require cf;	3689	require cf;
3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3690	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3159		3691
3160	warn "loading config and database again";	3692	warn "loading config and database again";
3161	cf::cfg_load;	3693	cf::reload_config;
3162		3694
3163	warn "loading extensions";	3695	warn "loading extensions";
3164	cf::load_extensions;	3696	cf::load_extensions;
3165		3697
		3698	if ($REATTACH_ON_RELOAD) {
3166	warn "reattaching attachments to objects/players";	3699	warn "reattaching attachments to objects/players";
3167	_global_reattach; # objects, sockets	3700	_global_reattach; # objects, sockets
3168	warn "reattaching attachments to maps";	3701	warn "reattaching attachments to maps";
3169	reattach $_ for values %MAP;	3702	reattach $_ for values %MAP;
3170	warn "reattaching attachments to players";	3703	warn "reattaching attachments to players";
3171	reattach $_ for values %PLAYER;	3704	reattach $_ for values %PLAYER;
		3705	}
3172		3706
		3707	warn "running post_init jobs";
		3708	(pop @POST_INIT)->(1) while @POST_INIT;
		3709
3173	warn "leaving sync_job";	3710	warn "leaving sync_job";
3174		3711
3175	1	3712	1
3176	} or do {	3713	} or do {
3177	warn $@;	3714	warn $@;
3178	warn "error while reloading, exiting.";	3715	cf::cleanup "error while reloading, exiting.";
3179	exit 1;
3180	};	3716	};
3181		3717
3182	warn "reloaded";	3718	warn "reloaded";
		3719	--$RELOAD;
		3720	}
		3721
		3722	$t1 = EV::time - $t1;
		3723	warn "reload completed in ${t1}s\n";
3183	};	3724	};
3184		3725
3185	our $RELOAD_WATCHER; # used only during reload	3726	our $RELOAD_WATCHER; # used only during reload
3186		3727
3187	sub reload_perl() {	3728	sub reload_perl() {
3188	# doing reload synchronously and two reloads happen back-to-back,	3729	# doing reload synchronously and two reloads happen back-to-back,
3189	# coro crashes during coro_state_free->destroy here.	3730	# coro crashes during coro_state_free->destroy here.
3190		3731
3191	$RELOAD_WATCHER ||= Event->timer (	3732	$RELOAD_WATCHER ||= cf::async {
3192	reentrant => 0,	3733	Coro::AIO::aio_wait cache_extensions;
3193	after => 0,	3734
3194	data => WF_AUTOCANCEL,	3735	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3195	cb => sub {
3196	do_reload_perl;	3736	do_reload_perl;
3197	undef $RELOAD_WATCHER;	3737	undef $RELOAD_WATCHER;
3198	},	3738	};
3199	);	3739	};
3200	}	3740	}
3201		3741
3202	register_command "reload" => sub {	3742	register_command "reload" => sub {
3203	my ($who, $arg) = @_;	3743	my ($who, $arg) = @_;
3204		3744
3205	if ($who->flag (FLAG_WIZ)) {	3745	if ($who->flag (FLAG_WIZ)) {
3206	$who->message ("reloading server.");	3746	$who->message ("reloading server.");
		3747	async {
		3748	$Coro::current->{desc} = "perl_reload";
3207	async { reload_perl };	3749	reload_perl;
		3750	};
3208	}	3751	}
3209	};	3752	};
3210		3753
3211	unshift @INC, $LIBDIR;	3754	unshift @INC, $LIBDIR;
3212		3755
…		…
3214		3757
3215	our @WAIT_FOR_TICK;	3758	our @WAIT_FOR_TICK;
3216	our @WAIT_FOR_TICK_BEGIN;	3759	our @WAIT_FOR_TICK_BEGIN;
3217		3760
3218	sub wait_for_tick {	3761	sub wait_for_tick {
3219	return unless $TICK_WATCHER->is_active;
3220	return if $Coro::current == $Coro::main;	3762	return if tick_inhibit || $Coro::current == $Coro::main;
3221		3763
3222	my $signal = new Coro::Signal;	3764	my $signal = new Coro::Signal;
3223	push @WAIT_FOR_TICK, $signal;	3765	push @WAIT_FOR_TICK, $signal;
3224	$signal->wait;	3766	$signal->wait;
3225	}	3767	}
3226		3768
3227	sub wait_for_tick_begin {	3769	sub wait_for_tick_begin {
3228	return unless $TICK_WATCHER->is_active;
3229	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
3230		3771
3231	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
3232	push @WAIT_FOR_TICK_BEGIN, $signal;	3773	push @WAIT_FOR_TICK_BEGIN, $signal;
3233	$signal->wait;	3774	$signal->wait;
3234	}	3775	}
3235		3776
3236	my $min = 1e6;#d#	3777	sub tick {
3237	my $avg = 10;
3238	$TICK_WATCHER = Event->timer (
3239	reentrant => 0,
3240	parked => 1,
3241	prio => 0,
3242	at => $NEXT_TICK || $TICK,
3243	data => WF_AUTOCANCEL,
3244	cb => sub {
3245	if ($Coro::current != $Coro::main) {	3778	if ($Coro::current != $Coro::main) {
3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3779	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247	unless ++$bug_warning > 10;	3780	unless ++$bug_warning > 10;
3248	return;	3781	return;
3249	}	3782	}
3250		3783
3251	$NOW = $tick_start = Event::time;
3252
3253	cf::server_tick; # one server iteration	3784	cf::server_tick; # one server iteration
3254		3785
3255	0 && sync_job {#d#	3786	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	for(1..10) {	3787	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	my $t = Event::time;	3788	Coro::async_pool {
3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3789	$Coro::current->{desc} = "runtime saver";
3259	or die;	3790	write_runtime_sync
3260		3791	or warn "ERROR: unable to write runtime file: $!";
3261	$map->width (50);
3262	$map->height (50);
3263	$map->alloc;
3264	$map->_load_objects ("/tmp/x.map", 1);
3265	my $t = Event::time - $t;
3266
3267	#next unless $t < 0.0013;#d#
3268	if ($t < $min) {
3269	$min = $t;
3270	}
3271	$avg = $avg * 0.99 + $t * 0.01;
3272	}
3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274	exit 0;
3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276	};	3792	};
		3793	}
3277		3794
3278	$RUNTIME += $TICK;
3279	$NEXT_TICK += $TICK;
3280
3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
3283	Coro::async_pool {
3284	write_runtime
3285	or warn "ERROR: unable to write runtime file: $!";
3286	};
3287	}
3288
3289	# my $AFTER = Event::time;
3290	# warn $AFTER - $NOW;#d#
3291
3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3795	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293	$sig->send;	3796	$sig->send;
3294	}	3797	}
3295	while (my $sig = shift @WAIT_FOR_TICK) {	3798	while (my $sig = shift @WAIT_FOR_TICK) {
3296	$sig->send;	3799	$sig->send;
3297	}	3800	}
3298		3801
3299	$NOW = Event::time;	3802	$LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301	# if we are delayed by four ticks or more, skip them all
3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304	$TICK_WATCHER->at ($NEXT_TICK);
3305	$TICK_WATCHER->start;
3306
3307	$LOAD = ($NOW - $tick_start) / $TICK;
3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3803	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309		3804
3310	_post_tick;	3805	if (0) {
3311		3806	if ($NEXT_TICK) {
3312		3807	my $jitter = $TICK_START - $NEXT_TICK;
		3808	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3809	warn "jitter $JITTER\n";#d#
		3810	}
3313	},	3811	}
3314	);	3812	}
3315		3813
3316	{	3814	{
3317	BDB::max_poll_time $TICK * 0.1;	3815	# configure BDB
3318	$BDB_POLL_WATCHER = Event->io (	3816
3319	reentrant => 0,
3320	fd => BDB::poll_fileno,
3321	poll => 'r',
3322	prio => 0,
3323	data => WF_AUTOCANCEL,
3324	cb => \&BDB::poll_cb,
3325	);
3326	BDB::min_parallel 8;	3817	BDB::min_parallel 8;
3327		3818	BDB::max_poll_reqs $TICK * 0.1;
3328	BDB::set_sync_prepare {	3819	$AnyEvent::BDB::WATCHER->priority (1);
3329	my $status;
3330	my $current = $Coro::current;
3331	(
3332	sub {
3333	$status = $!;
3334	$current->ready; undef $current;
3335	},
3336	sub {
3337	Coro::schedule while defined $current;
3338	$! = $status;
3339	},
3340	)
3341	};
3342		3820
3343	unless ($DB_ENV) {	3821	unless ($DB_ENV) {
3344	$DB_ENV = BDB::db_env_create;	3822	$DB_ENV = BDB::db_env_create;
		3823	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3824	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3825	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3826	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3827	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3345		3828
3346	cf::sync_job {	3829	cf::sync_job {
3347	eval {	3830	eval {
3348	BDB::db_env_open	3831	BDB::db_env_open
3349	$DB_ENV,	3832	$DB_ENV,
…		…
3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3834	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3835	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353	0666;	3836	0666;
3354		3837
3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3838	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358	$DB_ENV->set_lk_detect;
3359	};	3839	};
3360		3840
3361	cf::cleanup "db_env_open(db): $@" if $@;	3841	cf::cleanup "db_env_open(db): $@" if $@;
3362	};	3842	};
3363	}	3843	}
		3844
		3845	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3846	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3847	};
		3848	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3849	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3850	};
		3851	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3852	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3853	};
3364	}	3854	}
3365		3855
3366	{	3856	{
		3857	# configure IO::AIO
		3858
3367	IO::AIO::min_parallel 8;	3859	IO::AIO::min_parallel 8;
3368
3369	undef $Coro::AIO::WATCHER;
3370	IO::AIO::max_poll_time $TICK * 0.1;	3860	IO::AIO::max_poll_time $TICK * 0.1;
3371	$AIO_POLL_WATCHER = Event->io (	3861	undef $AnyEvent::AIO::WATCHER;
3372	reentrant => 0,
3373	data => WF_AUTOCANCEL,
3374	fd => IO::AIO::poll_fileno,
3375	poll => 'r',
3376	prio => 6,
3377	cb => \&IO::AIO::poll_cb,
3378	);
3379	}	3862	}
3380		3863
3381	my $_log_backtrace;	3864	my $_log_backtrace;
3382		3865
3383	sub _log_backtrace {	3866	sub _log_backtrace {
…		…
3386	$msg =~ s/\n//;	3869	$msg =~ s/\n//;
3387		3870
3388	# limit the # of concurrent backtraces	3871	# limit the # of concurrent backtraces
3389	if ($_log_backtrace < 2) {	3872	if ($_log_backtrace < 2) {
3390	++$_log_backtrace;	3873	++$_log_backtrace;
		3874	my $perl_bt = Carp::longmess $msg;
3391	async {	3875	async {
		3876	$Coro::current->{desc} = "abt $msg";
		3877
3392	my @bt = fork_call {	3878	my @bt = fork_call {
3393	@addr = map { sprintf "%x", $_ } @addr;	3879	@addr = map { sprintf "%x", $_ } @addr;
3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3880	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3881	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396	or die "addr2line: $!";	3882	or die "addr2line: $!";
…		…
3404	}	3890	}
3405		3891
3406	@funcs	3892	@funcs
3407	};	3893	};
3408		3894
3409	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $perl_bt\n";
		3896	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410	LOG llevInfo, "[ABT] $_\n" for @bt;	3897	LOG llevInfo, "[ABT] $_\n" for @bt;
3411	--$_log_backtrace;	3898	--$_log_backtrace;
3412	};	3899	};
3413	} else {	3900	} else {
3414	LOG llevInfo, "[ABT] $msg\n";	3901	LOG llevInfo, "[ABT] $msg\n";

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