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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.319 by root, Tue Jul 24 15:56:45 2007 UTC vs.
Revision 1.462 by root, Tue Dec 23 06:58:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
85		116
86	our %CFG;	117	our %CFG;
87		118
88	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
90		122
91	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
94		126
95	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		129
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		138
102	binmode STDOUT;	139	binmode STDOUT;
103	binmode STDERR;	140	binmode STDERR;
104		141
105	# read virtual server time, if available	142	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
110	}	147	}
111		148
112	mkdir $_	149	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		195
159	The raw value load value from the last tick.	196	The raw value load value from the last tick.
160		197
161	=item %cf::CFG	198	=item %cf::CFG
162		199
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	201	from wherever your confdir points to.
165		202
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		204
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	223	$msg .= "\n"
187	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
188		225
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		227
191	utf8::encode $msg;
192	LOG llevError, $msg;	228	LOG llevError, $msg;
193	};	229	};
194	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
195		246
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	257	for my $pkg (qw(
207	cf::global cf::attachable	258	cf::global cf::attachable
208	cf::object cf::object::player	259	cf::object cf::object::player
209	cf::client cf::player	260	cf::client cf::player
210	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
211	cf::map cf::party cf::region	263	cf::party cf::region
212	)) {	264	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	266	}
216		267
217	$Event::DIED = sub {	268	$EV::DIED = sub {
218	warn "error in event callback: @_";	269	warn "error in event callback: @_";
219	};	270	};
220		271
221	#############################################################################	272	#############################################################################
222		273
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	297	$d
247	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
248	}	299	}
249		300
250	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
251		302
252	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
253		304
254	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
255		306
256	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
257		308
258	=cut	309	=cut
259		310
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		312
262	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
264		329
265	=item cf::lock_wait $string	330	=item cf::lock_wait $string
266		331
267	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
268		333
269	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
270		335
271	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
274	returned.	339	returned.
275		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
276	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
278		346
279	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
280		348
281	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
282		350
283	=cut	351	=cut
284		352
285	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
286		354
287	sub lock_wait($) {	355	sub lock_wait($) {
288	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	357	}
296		358
297	sub lock_acquire($) {	359	sub lock_acquire($) {
298	my ($key) = @_;	360	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	361	}
310		362
311	sub lock_active($) {	363	sub lock_active($) {
312	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	365	}
316		366
317	sub freeze_mainloop {	367	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
319		369
320	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	371	}
322	};	372
323	$TICK_WATCHER->stop;	373	=item cf::periodic $interval, $cb
324	$guard	374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
325	}	386	}
326		387
327	=item cf::get_slot $time[, $priority[, $name]]	388	=item cf::get_slot $time[, $priority[, $name]]
328		389
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	401	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	402	our $SLOT_QUEUE;
342		403
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
345	my $signal = new Coro::Signal;	408	my $signal = new Coro::Signal;
346		409
347	while () {	410	while () {
348	next_job:	411	next_job:
349	my $avail = cf::till_tick;	412	my $avail = cf::till_tick;
…		…
357	}	420	}
358	}	421	}
359	}	422	}
360		423
361	if (@SLOT_QUEUE) {	424	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	426	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	427	$signal->wait;
365	} else {	428	} else {
366	Coro::schedule;	429	Coro::schedule;
367	}	430	}
368	}	431	}
369	};	432	};
370		433
371	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
372	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
373		438
374	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
376		441
…		…
390		455
391	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
392		457
393	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
394		459
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	463	acceptable.
399		464
400	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		471
407	sub sync_job(&) {	472	sub sync_job(&) {
408	my ($job) = @_;	473	my ($job) = @_;
409		474
410	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	476	my $time = EV::time;
412		477
413	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
415		480
416	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	482
418	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
419		484
420	my $busy = 1;	485	my $busy = 1;
421	my @res;	486	my @res;
422		487
423	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	490	@res = eval { $job->() };
425	warn $@ if $@;	491	warn $@ if $@;
426	undef $busy;	492	undef $busy;
427	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
428		494
429	while ($busy) {	495	while ($busy) {
430	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
431	}	500	}
		501	}
432		502
433	$time = Event::time - $time;	503	my $time = EV::time - $time;
434		504
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
439		506
440	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
441	} else {	508	} else {
442	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
443		510
…		…
468	=item fork_call { }, $args	535	=item fork_call { }, $args
469		536
470	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
474		541
475	=cut	542	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		543
486	sub fork_call(&@) {	544	sub fork_call(&@) {
487	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
488		546
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		550
494	if (my $pid = fork) {	551	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	552	reset_signals;
508	local $SIG{__WARN__};	553	&$cb
509	local $SIG{__DIE__};	554	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		555
516	eval {	556	wantarray ? @res : $res[-1]
517	close $fh1;	557	}
518		558
519	my @res = eval { $cb->(@args) };	559	=item $coin = coin_from_name $name
520		560
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	561	=cut
522	close $fh2;
523	};
524		562
525	warn $@ if $@;	563	our %coin_alias = (
526	_exit 0;	564	"silver" => "silvercoin",
527	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
528	}	584	}
529		585
530	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
531		587
532	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
535		591
536	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
539	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
540		618
541	our $DB;	619	our $DB;
542		620
543	sub db_init {	621	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	622	cf::sync_job {
548	eval {	623	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	624	};
558	}	625	}
559		626
560	sub db_get($$) {	627	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
562		629
…		…
612	if (1) {	679	if (1) {
613	$md5 =	680	$md5 =
614	join "\x00",	681	join "\x00",
615	$processversion,	682	$processversion,
616	map {	683	map {
617	Coro::cede;	684	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	686	} 0.. $#$src;
620		687
621		688
622	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		727
661	#############################################################################	728	#############################################################################
662		729
663	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
664		731
665	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
668		735
669	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	738	Deliantra).
672		739
673	=over 4	740	=over 4
674		741
675	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
676		743
…		…
720	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
721		788
722	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
724		791
725	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
727		794
728	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
729		796
730	=over 4	797	=over 4
…		…
958	}	1025	}
959		1026
960	0	1027	0
961	}	1028	}
962		1029
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1031
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1033
967	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
968		1035
…		…
974		1041
975	=cut	1042	=cut
976		1043
977	#############################################################################	1044	#############################################################################
978	# object support	1045	# object support
979	#
980		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
981	sub _can_merge {	1080	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1081	my ($ob1, $ob2) = @_;
983		1082
984	local $Storable::canonical = 1;	1083	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1084
988	$fob1 eq $fob2	1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
989	}	1087	}
990		1088
991	sub reattach {	1089	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1091	my ($obj) = @_;
994		1092
		1093	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1095
997	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
998		1097
999	@$registry = ();	1098	@$registry = ();
1000		1099
…		…
1015	cf::attachable->attach (	1114	cf::attachable->attach (
1016	prio => -1000000,	1115	prio => -1000000,
1017	on_instantiate => sub {	1116	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
1019		1118
1020	$data = from_json $data;	1119	$data = decode_json $data;
1021		1120
1022	for (@$data) {	1121	for (@$data) {
1023	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
1024		1123
1025	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1140	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
1043		1142
1044	sync_job {	1143	sync_job {
1045	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1048		1148
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1153	aio_close $fh;
1054		1154
1055	if (@$objs) {	1155	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1161	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1163	}
1064	} else {	1164	} else {
1065	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1066	}	1166	}
1067		1167
1068	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1172	} else {
1070	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1071	}	1174	}
1072	} else {	1175	} else {
1073	aio_unlink $filename;	1176	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1075	}	1178	}
1076	}	1179	};
1077	}	1180	}
1078		1181
1079	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1081		1184
…		…
1093	or return;	1196	or return;
1094		1197
1095	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1200	or return;
		1201
1098	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1099	}	1204	}
1100		1205
		1206	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1103	return ($data, $av);	1210	($data, $av)
1104	}	1211	}
1105		1212
1106	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1107		1214
1108	=over 4	1215	=over 4
…		…
1162	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1163		1270
1164	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1165	}	1272	}
1166		1273
		1274	use File::Glob ();
		1275
1167	cf::player->attach (	1276	cf::player->attach (
1168	on_command => sub {	1277	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1170		1279
1171	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1186	my ($type, $reply, @payload) =	1295	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1296	"ARRAY" eq ref $msg
1188	? @$msg	1297	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1299
		1300	my @reply;
		1301
1191	if (my $cb = $EXTCMD{$type}) {	1302	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1303	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1197	} else {	1309	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1311	}
1200		1312
1201	cf::override;	1313	cf::override;
1202	},	1314	},
1203	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1204		1329
1205	sub load_extensions {	1330	sub load_extensions {
1206	cf::sync_job {	1331	cf::sync_job {
1207	my %todo;	1332	my %todo;
1208		1333
…		…
1228		1353
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1356
1232	$ext{source} =	1357	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1235	. $source	1360	. $source
1236	. "\n};\n1";	1361	. "\n};\n1";
1237		1362
1238	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1256		1381
1257	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1383	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1385	}
1262		1386
1263	warn $msg;	1387	warn $msg;
1264	}	1388	}
1265		1389
…		…
1279		1403
1280	=back	1404	=back
1281		1405
1282	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1283		1407
1284	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1285		1409
1286	=cut	1410	=cut
1287		1411
1288	package cf::player;	1412	package cf::player;
1289		1413
1290	use Coro::AIO;	1414	use Coro::AIO;
1291		1415
1292	=head3 cf::player	1416	=head3 cf::player
1293		1417
1294	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1295		1433
1296	=item cf::player::find $login	1434	=item cf::player::find $login
1297		1435
1298	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1299		1437
…		…
1318		1456
1319	sub exists($) {	1457	sub exists($) {
1320	my ($login) = @_;	1458	my ($login) = @_;
1321		1459
1322	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1324	}	1462	}
1325		1463
1326	sub find($) {	1464	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1466	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1477
1340	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1343	}	1487	}
1344	}	1488	}
1345	}	1489	}
1346		1490
…		…
1355	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1356		1500
1357	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1359		1503
		1504	cf::get_slot 0.01;
		1505
1360	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1361	Coro::cede;	1507	cf::cede_to_tick;
1362	}	1508	}
1363		1509
1364	sub new($) {	1510	sub new($) {
1365	my ($login) = @_;	1511	my ($login) = @_;
1366		1512
…		…
1372	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1373		1519
1374	$self	1520	$self
1375	}	1521	}
1376		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1377	=item $pl->quit_character	1533	=item $pl->quit_character
1378		1534
1379	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1381		1537
…		…
1385	my ($pl) = @_;	1541	my ($pl) = @_;
1386		1542
1387	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1388		1544
1389	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1547
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1396		1554
1397	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1592	or return [];
1435		1593
1436	my @logins;	1594	my @logins;
1437		1595
1438	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1442		1606
1443	utf8::decode $login;	1607	utf8::decode $login;
1444	push @logins, $login;	1608	push @logins, $login;
1445	}	1609	}
1446		1610
…		…
1473	}	1637	}
1474		1638
1475	\@paths	1639	\@paths
1476	}	1640	}
1477		1641
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1643
1480	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1645
1528	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1529		1647
1530	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1531		1649
1532	=cut	1650	=cut
1533		1651
1534	sub ext_reply($$@) {	1652	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1653	my ($self, $id, @msg) = @_;
1536		1654
1537	if ($self->ns->extcmd == 2) {	1655	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1656	}
1545		1657
1546	=item $player->ext_msg ($type, @msg)	1658	=item $player->ext_msg ($type, @msg)
1547		1659
1548	Sends an ext event to the client.	1660	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1606		1718
1607	sub generate_random_map {	1719	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1609	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1725	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1735		1850
1736	# the temporary/swap location	1851	# the temporary/swap location
1737	sub save_path {	1852	sub save_path {
1738	my ($self) = @_;	1853	my ($self) = @_;
1739		1854
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1742	}	1857	}
1743		1858
1744	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1745	sub uniq_path {	1860	sub uniq_path {
1746	my ($self) = @_;	1861	my ($self) = @_;
1747		1862
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1865	}
1760		1866
1761	sub decay_objects {	1867	sub decay_objects {
1762	my ($self) = @_;	1868	my ($self) = @_;
1763		1869
…		…
1776		1882
1777	sub load_header_from($) {	1883	sub load_header_from($) {
1778	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1779		1885
1780	utf8::encode $path;	1886	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1786		1895
1787	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1788		1897
1789	1	1898	1
1790	}	1899	}
…		…
1844	sub find {	1953	sub find {
1845	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1846		1955
1847	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1848		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1850		1960
1851	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1854	or return;	1963	or return;
1855		1964
1856	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1857		1966
…		…
1859	or return;	1968	or return;
1860		1969
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1864	$map->reset;	1975	$map->reset;
1865	undef $guard;
1866	return find $path;	1976	return find $path;
1867	}	1977	}
1868		1978
1869	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1870	}	1980	}
…		…
1879	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1880		1990
1881	my $path = $self->{path};	1991	my $path = $self->{path};
1882		1992
1883	{	1993	{
1884	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1885		1995
		1996	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		1998
1888	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1889		2000
1890	$self->alloc;	2001	$self->alloc;
1891		2002
1892	$self->pre_load;	2003	$self->pre_load;
1893	Coro::cede;	2004	cf::cede_to_tick;
1894		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1896	or return;	2009	or return;
1897		2010
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1899	if delete $self->{load_original};	2012	if delete $self->{load_original};
1900		2013
1901	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2015	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2018	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1906	}	2022	}
1907	}	2023	}
1908		2024
1909	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1910	# now do the right thing for maps	2028	# now do the right thing for maps
1911	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2031	unless $self->difficulty;
1914	Coro::cede;	2032	cf::cede_to_tick;
1915		2033
1916	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2035	$self->decay_objects;
1918	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1919	$self->update_buttons;	2037	$self->update_buttons;
1920	Coro::cede;	2038	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2039	$self->activate;
1924	}	2040	}
1925		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2046	}
1928		2047
1929	$self->post_load;	2048	$self->post_load;
1930	}	2049	}
1931		2050
…		…
1940		2059
1941	$self	2060	$self
1942	}	2061	}
1943		2062
1944	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2064	sub load_neighbours {
1946	my ($map) = @_;	2065	my ($map) = @_;
1947		2066
1948	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1949		2068
1950	for (0 .. 3) {	2069	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1952	or next;	2071	or next;
1953	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1954	or next;	2073	or next;
1955	$neigh->load;	2074	$neigh->load;
1956		2075
		2076	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2079	}
1960		2080
1961	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1963	or next;	2084	or next;
1964	$neigh->load;	2085	$neigh->load;
1965	}	2086	}
1966	}	2087	}
1967		2088
…		…
1972	}	2093	}
1973		2094
1974	sub do_load_sync {	2095	sub do_load_sync {
1975	my ($map) = @_;	2096	my ($map) = @_;
1976		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1977	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1978	}	2102	}
1979		2103
1980	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1982		2106
1983	sub find_async {	2107	sub find_async {
1984	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1985		2109
1986	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1987		2111
1988	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2114	}
1991		2115
1992	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1993	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1994	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2123	if (my $map = find $k) {
1997	$map->load;	2124	$map->load if $v;
1998	}	2125	}
1999		2126
2000	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
2001	}	2128	}
2002	}	2129	}
2003	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
2004	};	2131	};
2005	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
2008	}	2135	}
2009		2136
2010	sub save {	2137	sub save {
2011	my ($self) = @_;	2138	my ($self) = @_;
2012		2139
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
2014		2141
2015	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
2016		2143
2017	return unless $self->dirty;	2144	return unless $self->dirty;
2018		2145
…		…
2024	return if $self->{deny_save};	2151	return if $self->{deny_save};
2025		2152
2026	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
2027		2154
2028	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2030	};	2158	};
		2159
		2160	cf::get_slot 0.02;
2031		2161
2032	if ($uniq) {	2162	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2165	} else {
…		…
2041	my ($self) = @_;	2171	my ($self) = @_;
2042		2172
2043	# save first because save cedes	2173	# save first because save cedes
2044	$self->save;	2174	$self->save;
2045		2175
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2177
2048	return if $self->players;	2178	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2050	return if $self->{deny_save};	2180	return if $self->{deny_save};
2051		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
2052	$self->clear;	2186	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2187	}
2055		2188
2056	sub reset_at {	2189	sub reset_at {
2057	my ($self) = @_;	2190	my ($self) = @_;
2058		2191
…		…
2090	if $uniq;	2223	if $uniq;
2091	}	2224	}
2092		2225
2093	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
2094		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2230	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2231
2099	$self->unlink_save;	2232	$self->unlink_save;
2100	$self->destroy;	2233	$self->destroy;
2101	}	2234	}
2102		2235
2103	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2104		2237
2105	sub nuke {	2238	sub nuke {
2106	my ($self) = @_;	2239	my ($self) = @_;
2107		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2108	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2109		2245
2110	$self->unlink_save;	2246	$self->unlink_save;
2111		2247
2112	bless $self, "cf::map";	2248	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2253
2118	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2119		2256
2120	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2121	}	2258	}
2122		2259
2123	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2165		2302
2166	sub unique_maps() {	2303	sub unique_maps() {
2167	[	2304	[
2168	map {	2305	map {
2169	utf8::decode $_;	2306	utf8::decode $_;
2170	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2171	? normalise $_	2310	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2312	]
2175	}	2313	}
2176		2314
2177	package cf;
2178
2179	=back	2315	=back
2180		2316
2181	=head3 cf::object	2317	=head3 cf::object
2182		2318
2183	=cut	2319	=cut
…		…
2186		2322
2187	=over 4	2323	=over 4
2188		2324
2189	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2190		2326
2191	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.
2192		2329
2193	=cut	2330	=cut
2194		2331
2195	sub inv_recursive_;	2332	sub inv_recursive_;
2196	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2199		2336
2200	sub inv_recursive {	2337	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2202	}	2339	}
2203		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
2204	package cf;	2369	package cf;
2205		2370
2206	=back	2371	=back
2207		2372
2208	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2214	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>
2215	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
2216	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2217		2382
2218	=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	};
2219		2398
2220	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2400	# with dialog boxes.
2222	#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
2223	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2416
2238	} else {	2417	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2420	}
2242	}	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 (@_);
2243	}	2432	}
2244		2433
2245	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2246		2435
2247	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2260		2449
2261	=item $player_object->enter_link	2450	=item $player_object->enter_link
2262		2451
2263	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}>).
2264		2453
2265	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.
2266	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.
2267		2458
2268	Will never block.	2459	Will never block.
2269		2460
2270	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2271		2462
…		…
2326	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2329		2520
2330	$map->load;	2521	$map->load;
2331	$map->load_diag;	2522	$map->load_neighbours;
2332		2523
2333	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2334	$self->activate_recursive;	2526	$self->activate_recursive;
2335		2527
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2338	}	2530	}
…		…
2343	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2344	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
2345	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
2346	be called at the end of this process.	2538	be called at the end of this process.
2347		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
2348	=cut	2543	=cut
2349		2544
2350	our $GOTOGEN;	2545	our $GOTOGEN;
2351		2546
2352	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2552
2358	$self->enter_link;	2553	$self->enter_link;
2359		2554
2360	(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
2361	my $map = eval {	2577	my $map = eval {
2362	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2363		2579
2364	if ($map) {	2580	if ($map) {
2365	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2367	} else {	2583	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2585	}
2370		2586
2371	$map	2587	$map
2372	};	2588	};
2373		2589
…		…
2409	}	2625	}
2410		2626
2411	sub prepare_random_map {	2627	sub prepare_random_map {
2412	my ($exit) = @_;	2628	my ($exit) = @_;
2413		2629
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2632	# that depends on the exit object
2419		2633
2420	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2636	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2427	}	2643	}
2428		2644
2429	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2430		2646
2431	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2434		2650
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2653	undef $fh;
2438	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2439		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2442	}	2662	}
2443	}	2663	}
2444		2664
2445	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2447		2667
2448	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2449		2669
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2670	$self->enter_link;
2462		2671
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2672	(async {
2468	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2469	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
2470	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2471		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
2472	1;	2696	1
2473	}) {	2697	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "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. "
2476	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2702
2479	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2509		2733
2510	=cut	2734	=cut
2511		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
2512	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2804
2515	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2516		2807
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
2519	if (ref $channel) {	2819	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	2820	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	2821	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	2822	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
2524	}	2825	}
2525		2826
2526	$channel = $channel->{id};	2827	$channel = $channel->{id};
2527	}	2828	}
2528		2829
2529	return unless @extra || length $msg;	2830	return unless @extra || length $msg;
2530		2831
2531	if ($self->can_msg) {	2832	if ($self->can_msg) {
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
2533	} else {	2853	} else {
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543
2544	if ($color >= 0) {	2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
2545	if (0 && $msg =~ /\[/) {	2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
2547	} else {	2872	} else {
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2549	$self->send_packet ("drawinfo $color $msg")	2874	$self->send_packet ("drawinfo $color $msg")
2550	}	2875	}
2551	}	2876	}
…		…
2559	=cut	2884	=cut
2560		2885
2561	sub cf::client::ext_msg($$@) {	2886	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	2887	my ($self, $type, @msg) = @_;
2563		2888
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	2889	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	2891	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	2892	push @msg, msgtype => "event_$type";
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	2912	}
2572	}	2913	}
2573		2914
2574	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
…		…
2636	my ($type, $reply, @payload) =	2977	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	2978	"ARRAY" eq ref $msg
2638	? @$msg	2979	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		2981
		2982	my @reply;
		2983
2641	if (my $cb = $EXTICMD{$type}) {	2984	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	2985	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
2647	} else {	2991	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	2993	}
2650		2994
2651	cf::override;	2995	cf::override;
…		…
2698	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2700		3044
2701	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2702		3046
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2704		3052
2705	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2706		3054
2707	=pod	3055	=pod
2708		3056
2709	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2710		3058
2711	cf::object	3059	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3060	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3061	insert remove name archname title slaying race decrease split
2714		3062
2715	cf::object::player	3063	cf::object::player
2716	player	3064	player
2717		3065
2718	cf::player	3066	cf::player
…		…
2723		3071
2724	=cut	3072	=cut
2725		3073
2726	for (	3074	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2729	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2731	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2732	) {	3081	) {
2733	no strict 'refs';	3082	no strict 'refs';
…		…
2809	# the server's init and main functions	3158	# the server's init and main functions
2810		3159
2811	sub load_facedata($) {	3160	sub load_facedata($) {
2812	my ($path) = @_;	3161	my ($path) = @_;
2813		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
2814	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2815		3170
2816	my $facedata;	3171	my $facedata;
2817	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3173	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2821		3176
2822	$facedata->{version} == 2	3177	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2825	{	3187	{
2826	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2827		3189
2828	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2830	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3197
2835	cf::cede_to_tick;	3198	cf::cede_to_tick;
2836	}	3199	}
2837		3200
2838	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2840	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2841	or next;	3205	or next;
		3206
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3210	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3228
2864	{	3229	{
2865	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869		3233
2870	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
2871	my $meta = $enc->encode ({	3235	if (defined $info->{type}) {
2872	name => $name,
2873	copyright => $info->{copyright}, #TODO#
2874	});
2875
2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
2877		3238
2878	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
2879	# prepend meta info	3240	# prepend meta info
2880		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
2881	my $data = pack "(w/a*)*", $meta, $info->{data};	3247	$data = pack "(w/a*)*", $meta, $info->{data};
2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3248	} else {
		3249	$data = $info->{data};
		3250	}
2883		3251
2884	cf::face::set_data $idx, 0, $data, $chk;	3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
2885	} else {	3254	} else {
2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3255	$RESOURCE{$name} = $info;
2887	}	3256	}
2888		3257
2889	cf::face::set_type $idx, $info->{type};
2890
2891	cf::cede_to_tick;	3258	cf::cede_to_tick;
2892	}	3259	}
2893	}	3260	}
2894		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2895	1	3264	1
2896	}	3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
2897		3286
2898	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
2899	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
2900		3289
2901	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
2902	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
2903	}	3292	}
2904	};	3293	};
2905		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2906	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2907	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2908	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
2909		3312
2910	for (cf::region::list) {	3313	for (cf::region::list) {
2911	$_->{match} = qr/$_->{match}/	3314	$_->{match} = qr/$_->{match}/
…		…
2919	}	3322	}
2920		3323
2921	sub reload_archetypes {	3324	sub reload_archetypes {
2922	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
2923	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
2924	#d# NEED to laod twice to resolve forward references
2925	# this really needs to be done in an extra post-pass
2926	# (which needs to be synchronous, so solve it differently)
2927	load_resource_file "$DATADIR/archetypes"
2928	or die "unable to load archetypes\n";
2929	}	3327	}
2930		3328
2931	sub reload_treasures {	3329	sub reload_treasures {
2932	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
2933	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2934	}	3332	}
2935		3333
2936	sub reload_resources {	3334	sub reload_resources {
2937	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2938		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2939	reload_regions;	3339	reload_regions;
2940	reload_facedata;
2941	#reload_archetypes;#d#
2942	reload_archetypes;
2943	reload_treasures;	3340	reload_treasures;
2944		3341
2945	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2946	}	3343	}
2947		3344
2948	sub init {	3345	sub reload_config {
2949	reload_resources;
2950	}
2951
2952	sub cfg_load {
2953	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2954	or return;	3347	or return;
2955		3348
2956	local $/;	3349	local $/;
2957	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2958		3351
2959	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2960		3353
2961	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2962	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2968	};	3361	};
2969	warn $@ if $@;	3362	warn $@ if $@;
2970	}	3363	}
2971	}	3364	}
2972		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2973	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2974	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2975	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2976	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2977	(async {	3403	(async {
2978	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2979	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2980	};	3407	};
2981		3408
2982	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2983	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2984	load_extensions;	3427	load_extensions;
2985		3428
2986	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2987	Event::loop;	3437	EV::loop;
2988	}	3438	}
2989		3439
2990	#############################################################################	3440	#############################################################################
2991	# initialisation and cleanup	3441	# initialisation and cleanup
2992		3442
2993	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2994	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2995	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2996	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2997	reentrant => 0,
2998	data => WF_AUTOCANCEL,
2999	signal => $signal,
3000	prio => 0,
3001	cb => sub {
3002	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3003	},
3004	);	3449	};
3005	}	3450	}
3006	}	3451	}
3007		3452
3008	sub write_runtime {	3453	sub write_runtime_sync {
3009	my $runtime = "$LOCALDIR/runtime";
3010
3011	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3012	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3013		3456
3014	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3015		3458
3016	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3017		3460
3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3019	or return;	3462	or return;
3020		3463
3021	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3022	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3023	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3033	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3034		3477
3035	close $fh	3478	close $fh
3036	or return;	3479	or return;
3037		3480
3038	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3039	and return;	3482	and return;
3040		3483
3041	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3042		3485
3043	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
3044	}	3537	}
3045		3538
3046	sub emergency_save() {	3539	sub emergency_save() {
3047	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3048		3541
3049	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3050		3543
3051	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
3052	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3053	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3054	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3055	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3056	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3057	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3058	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3059	$pl->save;	3558	$pl->save;
3060	}	3559	}
3061	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3062		3561
3063	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3064	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3065	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3066	$map->valid or next;	3565	$map->valid or next;
3067	$map->save;	3566	$map->save;
3068	}	3567	}
3069	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3070		3569
3071	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3072	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3073	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3074	};	3577	};
3075		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3076	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3077	}	3585	}
3078		3586
3079	sub post_cleanup {	3587	sub post_cleanup {
3080	my ($make_core) = @_;	3588	my ($make_core) = @_;
3081		3589
3082	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3083	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
3084	}	3621	}
3085		3622
3086	sub do_reload_perl() {	3623	sub do_reload_perl() {
3087	# can/must only be called in main	3624	# can/must only be called in main
3088	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3089	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3090	return;	3627	return;
3091	}	3628	}
3092		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3093	warn "reloading...";	3635	warn "reloading...";
3094		3636
3095	warn "entering sync_job";	3637	warn "entering sync_job";
3096		3638
3097	cf::sync_job {	3639	cf::sync_job {
3098	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3099	cf::emergency_save;	3641	cf::emergency_save;
3100	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3101		3643
3102	warn "syncing database to disk";	3644	warn "syncing database to disk";
3103	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3104		3646
3105	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3106		3648
3107	warn "cancelling all WF_AUTOCANCEL watchers";
3108	for (Event::all_watchers) {
3109	$_->cancel if $_->data & WF_AUTOCANCEL;
3110	}
3111
3112	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3113	for (;;) {
3114	BDB::flush;
3115	IO::AIO::flush;
3116	Coro::cede;
3117	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3118	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3119	}
3120
3121	++$RELOAD;
3122
3123	warn "cancelling all extension coros";
3124	$_->cancel for values %EXT_CORO;
3125	%EXT_CORO = ();
3126
3127	warn "removing commands";
3128	%COMMAND = ();
3129
3130	warn "removing ext/exti commands";
3131	%EXTCMD = ();
3132	%EXTICMD = ();
3133
3134	warn "unloading/nuking all extensions";
3135	for my $pkg (@EXTS) {
3136	warn "... unloading $pkg";
3137
3138	if (my $cb = $pkg->can ("unload")) {
3139	eval {
3140	$cb->($pkg);
3141	1
3142	} or warn "$pkg unloaded, but with errors: $@";
3143	}	3652	}
3144		3653
3145	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3146	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3147	}	3656	%EXT_CORO = ();
3148		3657
3149	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3150	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3151	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3152		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3153	warn "... unloading $k";	3667	warn "... unloading $pkg";
3154	delete $INC{$k};
3155		3668
3156	$k =~ s/\.pm$//;
3157	$k =~ s/\//::/g;
3158
3159	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3160	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3161	}	3678	}
3162		3679
3163	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3164	}	3695	}
3165		3696
3166	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3167	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3169		3700
3170	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3171	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3172	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/pod.pm"};
3173		3704
3174	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3175	# and global variables created in xs	3706	# and global variables created in xs
3176	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3177		3708
3178	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3179		3710
3180	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3181	require cf;	3712	require cf;
3182	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3183		3714
3184	warn "loading config and database again";	3715	warn "loading config and database again";
3185	cf::cfg_load;	3716	cf::reload_config;
3186		3717
3187	warn "loading extensions";	3718	warn "loading extensions";
3188	cf::load_extensions;	3719	cf::load_extensions;
3189		3720
		3721	if ($REATTACH_ON_RELOAD) {
3190	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3191	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3192	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3193	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3194	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3195	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3196		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3197	warn "leaving sync_job";	3733	warn "leaving sync_job";
3198		3734
3199	1	3735	1
3200	} or do {	3736	} or do {
3201	warn $@;	3737	warn $@;
3202	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3203	exit 1;
3204	};	3739	};
3205		3740
3206	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3207	};	3747	};
3208		3748
3209	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3210		3750
3211	sub reload_perl() {	3751	sub reload_perl() {
3212	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3213	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3214		3754
3215	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3216	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3217	after => 0,	3757
3218	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3219	cb => sub {
3220	do_reload_perl;	3759	do_reload_perl;
3221	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3222	},	3761	};
3223	);	3762	};
3224	}	3763	}
3225		3764
3226	register_command "reload" => sub {	3765	register_command "reload" => sub {
3227	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3228		3767
3229	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3230	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3231	async { reload_perl };	3772	reload_perl;
		3773	};
3232	}	3774	}
3233	};	3775	};
3234		3776
3235	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3236		3778
…		…
3238		3780
3239	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3240	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3241		3783
3242	sub wait_for_tick {	3784	sub wait_for_tick {
3243	return unless $TICK_WATCHER->is_active;
3244	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3245		3786
3246	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3247	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3248	$signal->wait;	3789	$signal->wait;
3249	}	3790	}
3250		3791
3251	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3252	return unless $TICK_WATCHER->is_active;
3253	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3254		3794
3255	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3256	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3257	$signal->wait;	3797	$signal->wait;
3258	}	3798	}
3259		3799
3260	my $min = 1e6;#d#	3800	sub tick {
3261	my $avg = 10;
3262	$TICK_WATCHER = Event->timer (
3263	reentrant => 0,
3264	parked => 1,
3265	prio => 0,
3266	at => $NEXT_TICK || $TICK,
3267	data => WF_AUTOCANCEL,
3268	cb => sub {
3269	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3271	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3272	return;	3804	return;
3273	}	3805	}
3274		3806
3275	$NOW = $tick_start = Event::time;
3276
3277	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3278		3808
3279	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3280	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3281	my $t = Event::time;	3811	Coro::async_pool {
3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3283	or die;	3813	write_runtime_sync
3284		3814	or warn "ERROR: unable to write runtime file: $!";
3285	$map->width (50);
3286	$map->height (50);
3287	$map->alloc;
3288	$map->_load_objects ("/tmp/x.map", 1);
3289	my $t = Event::time - $t;
3290
3291	#next unless $t < 0.0013;#d#
3292	if ($t < $min) {
3293	$min = $t;
3294	}
3295	$avg = $avg * 0.99 + $t * 0.01;
3296	}
3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3298	exit 0;
3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3300	};	3815	};
		3816	}
3301		3817
3302	$RUNTIME += $TICK;
3303	$NEXT_TICK += $TICK;
3304
3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
3307	Coro::async_pool {
3308	write_runtime
3309	or warn "ERROR: unable to write runtime file: $!";
3310	};
3311	}
3312
3313	# my $AFTER = Event::time;
3314	# warn $AFTER - $NOW;#d#
3315
3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3317	$sig->send;	3819	$sig->send;
3318	}	3820	}
3319	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3320	$sig->send;	3822	$sig->send;
3321	}	3823	}
3322		3824
3323	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3324
3325	# if we are delayed by four ticks or more, skip them all
3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3327
3328	$TICK_WATCHER->at ($NEXT_TICK);
3329	$TICK_WATCHER->start;
3330
3331	$LOAD = ($NOW - $tick_start) / $TICK;
3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3333		3827
3334	_post_tick;	3828	if (0) {
3335		3829	if ($NEXT_TICK) {
3336		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3337	},	3834	}
3338	);	3835	}
3339		3836
3340	{	3837	{
3341	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3342	$BDB_POLL_WATCHER = Event->io (	3839
3343	reentrant => 0,
3344	fd => BDB::poll_fileno,
3345	poll => 'r',
3346	prio => 0,
3347	data => WF_AUTOCANCEL,
3348	cb => \&BDB::poll_cb,
3349	);
3350	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3351		3841	BDB::max_poll_reqs $TICK * 0.1;
3352	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3353	my $status;
3354	my $current = $Coro::current;
3355	(
3356	sub {
3357	$status = $!;
3358	$current->ready; undef $current;
3359	},
3360	sub {
3361	Coro::schedule while defined $current;
3362	$! = $status;
3363	},
3364	)
3365	};
3366		3843
3367	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3368	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3369		3851
3370	cf::sync_job {	3852	cf::sync_job {
3371	eval {	3853	eval {
3372	BDB::db_env_open	3854	BDB::db_env_open
3373	$DB_ENV,	3855	$DB_ENV,
…		…
3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3377	0666;	3859	0666;
3378		3860
3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3380
3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3382	$DB_ENV->set_lk_detect;
3383	};	3862	};
3384		3863
3385	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3386	};	3865	};
3387	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3388	}	3877	}
3389		3878
3390	{	3879	{
		3880	# configure IO::AIO
		3881
3391	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3392
3393	undef $Coro::AIO::WATCHER;
3394	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3395	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3396	reentrant => 0,
3397	data => WF_AUTOCANCEL,
3398	fd => IO::AIO::poll_fileno,
3399	poll => 'r',
3400	prio => 6,
3401	cb => \&IO::AIO::poll_cb,
3402	);
3403	}	3885	}
3404		3886
3405	my $_log_backtrace;	3887	my $_log_backtrace;
3406		3888
3407	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3410	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3411		3893
3412	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3413	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3414	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3415	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3416	my @bt = fork_call {	3901	my @bt = fork_call {
3417	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3420	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3428	}	3913	}
3429		3914
3430	@funcs	3915	@funcs
3431	};	3916	};
3432		3917
3433	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3434	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3435	--$_log_backtrace;	3921	--$_log_backtrace;
3436	};	3922	};
3437	} else {	3923	} else {
3438	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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