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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 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
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
34	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
35		63
36	# configure various modules to our taste	64	# configure various modules to our taste
37	#	65	#
38	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	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		74
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		76
51	our %COMMAND = ();	77	our %COMMAND = ();
52	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	81	our %EXTCMD = ();
56	our %EXTICMD = ();	82	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
59		85
60	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	87	our @EVENT;
62		88
63	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	90	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
74		104
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	107	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	113	our $DB_ENV;
85		114
86	our %CFG;	115	our %CFG;
87		116
88	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
90		120
91	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
94		124
95	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		127
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		136
102	binmode STDOUT;	137	binmode STDOUT;
103	binmode STDERR;	138	binmode STDERR;
104		139
105	# read virtual server time, if available	140	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
110	}	145	}
111		146
112	mkdir $_	147	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		193
159	The raw value load value from the last tick.	194	The raw value load value from the last tick.
160		195
161	=item %cf::CFG	196	=item %cf::CFG
162		197
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	199	from wherever your confdir points to.
165		200
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		202
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	221	$msg .= "\n"
187	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
188		223
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		225
191	utf8::encode $msg;
192	LOG llevError, $msg;	226	LOG llevError, $msg;
193	};	227	};
194	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
195		244
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	255	for my $pkg (qw(
207	cf::global cf::attachable	256	cf::global cf::attachable
208	cf::object cf::object::player	257	cf::object cf::object::player
209	cf::client cf::player	258	cf::client cf::player
210	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
211	cf::map cf::party cf::region	261	cf::party cf::region
212	)) {	262	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	264	}
216		265
217	$Event::DIED = sub {	266	$EV::DIED = sub {
218	warn "error in event callback: @_";	267	warn "error in event callback: @_";
219	};	268	};
220		269
221	#############################################################################	270	#############################################################################
222		271
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	295	$d
247	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
248	}	297	}
249		298
250	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
251		300
252	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
253		302
254	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
255		304
256	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
257		306
258	=cut	307	=cut
259		308
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		310
262	sub to_json ($) { $json_coder->encode ($_[0]) }	311	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
264		327
265	=item cf::lock_wait $string	328	=item cf::lock_wait $string
266		329
267	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
268		331
…		…
271	Wait until the given lock is available and then acquires it and returns	334	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,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
274	returned.	337	returned.
275		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
276	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
278		344
279	=item $locked = cf::lock_active $string	345	=item $locked = cf::lock_active $string
280		346
281	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
282		348
283	=cut	349	=cut
284		350
285	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
286		353
287	sub lock_wait($) {	354	sub lock_wait($) {
288	my ($key) = @_;	355	my ($key) = @_;
289		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
290	# wait for lock, if any	362	# wait for lock, if any
291	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
292	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	366	Coro::schedule;
294	}	367	}
295	}	368	}
296		369
…		…
299		372
300	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
301	lock_wait $key;	374	lock_wait $key;
302		375
303	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
304		378
305	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
308	}	383	}
309	}	384	}
310		385
…		…
313		388
314	! ! $LOCK{$key}	389	! ! $LOCK{$key}
315	}	390	}
316		391
317	sub freeze_mainloop {	392	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
319		394
320	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
322	};	456	}
323	$TICK_WATCHER->stop;	457	};
324	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
325	}	471	}
326		472
327	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
328		474
329	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		480
335	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
336		482
337	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
338		484
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	488	acceptable.
343		489
344	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		496
351	sub sync_job(&) {	497	sub sync_job(&) {
352	my ($job) = @_;	498	my ($job) = @_;
353		499
354	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	501	my $time = EV::time;
356		502
357	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
359		505
360	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	507
362	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
363		509
364	my $busy = 1;	510	my $busy = 1;
365	my @res;	511	my @res;
366		512
367	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	515	@res = eval { $job->() };
369	warn $@ if $@;	516	warn $@ if $@;
370	undef $busy;	517	undef $busy;
371	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
372		519
373	while ($busy) {	520	while ($busy) {
374	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
375	}	525	}
		526	}
376		527
377	$time = Event::time - $time;	528	my $time = EV::time - $time;
378		529
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
383		531
384	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
385	} else {	533	} else {
386	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
387		535
…		…
412	=item fork_call { }, $args	560	=item fork_call { }, $args
413		561
414	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
418		566
419	=cut	567	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		568
430	sub fork_call(&@) {	569	sub fork_call(&@) {
431	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
432		571
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	572	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	573	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	574	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		575
438	if (my $pid = fork) {	576	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	577	reset_signals;
452	local $SIG{__WARN__};	578	&$cb
453	local $SIG{__DIE__};	579	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		580
460	eval {	581	wantarray ? @res : $res[-1]
461	close $fh1;	582	}
462		583
463	my @res = eval { $cb->(@args) };	584	=item $coin = coin_from_name $name
464		585
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	586	=cut
466	close $fh2;
467	};
468		587
469	warn $@ if $@;	588	our %coin_alias = (
470	_exit 0;	589	"silver" => "silvercoin",
471	}	590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
472	}	609	}
473		610
474	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
475		612
476	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	615	=item cf::db_put $family => $key => $value
479		616
480	Stores the given C<$value> in the family. It can currently store binary	617	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
483	=cut	625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
484		643
485	our $DB;	644	our $DB;
486		645
487	sub db_init {	646	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	647	cf::sync_job {
492	eval {	648	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	649	};
502	}	650	}
503		651
504	sub db_get($$) {	652	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	653	my $key = "$_[0]/$_[1]";
506		654
…		…
556	if (1) {	704	if (1) {
557	$md5 =	705	$md5 =
558	join "\x00",	706	join "\x00",
559	$processversion,	707	$processversion,
560	map {	708	map {
561	Coro::cede;	709	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	710	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	711	} 0.. $#$src;
564		712
565		713
566	my $dbmd5 = db_get cache => "$id/md5";	714	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		752
605	#############################################################################	753	#############################################################################
606		754
607	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
608		756
609	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
612		760
613	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	763	Deliantra).
616		764
617	=over 4	765	=over 4
618		766
619	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
620		768
…		…
664	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
665		813
666	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
668		816
669	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
671		819
672	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
673		821
674	=over 4	822	=over 4
…		…
902	}	1050	}
903		1051
904	0	1052	0
905	}	1053	}
906		1054
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1056
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1058
911	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
912		1060
…		…
918		1066
919	=cut	1067	=cut
920		1068
921	#############################################################################	1069	#############################################################################
922	# object support	1070	# object support
923	#
924		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
925	sub _can_merge {	1105	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1106	my ($ob1, $ob2) = @_;
927		1107
928	local $Storable::canonical = 1;	1108	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1109
932	$fob1 eq $fob2	1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
933	}	1112	}
934		1113
935	sub reattach {	1114	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1116	my ($obj) = @_;
938		1117
		1118	# no longer needed after getting rid of delete_package?
939	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
940		1120
941	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
942		1122
943	@$registry = ();	1123	@$registry = ();
944		1124
…		…
959	cf::attachable->attach (	1139	cf::attachable->attach (
960	prio => -1000000,	1140	prio => -1000000,
961	on_instantiate => sub {	1141	on_instantiate => sub {
962	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
963		1143
964	$data = from_json $data;	1144	$data = decode_json $data;
965		1145
966	for (@$data) {	1146	for (@$data) {
967	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
968		1148
969	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1165	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
987		1167
988	sync_job {	1168	sync_job {
989	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
992		1173
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
997	close $fh;	1178	aio_close $fh;
998		1179
999	if (@$objs) {	1180	if (@$objs) {
1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1001	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
1004	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
1005	close $fh;	1186	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1188	}
1008	} else {	1189	} else {
1009	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
1010	}	1191	}
1011		1192
1012	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1197	} else {
1014	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
1015	}	1199	}
1016	} else {	1200	} else {
1017	aio_unlink $filename;	1201	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
1019	}	1203	}
1020	}	1204	};
1021	}	1205	}
1022		1206
1023	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
1025		1209
…		…
1037	or return;	1221	or return;
1038		1222
1039	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1225	or return;
		1226
1042	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
1043	}	1229	}
1044		1230
		1231	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
		1234
1047	return ($data, $av);	1235	($data, $av)
1048	}	1236	}
1049		1237
1050	=head2 COMMAND CALLBACKS	1238	=head2 COMMAND CALLBACKS
1051		1239
1052	=over 4	1240	=over 4
…		…
1106	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
1107		1295
1108	$EXTICMD{$name} = $cb;	1296	$EXTICMD{$name} = $cb;
1109	}	1297	}
1110		1298
		1299	use File::Glob ();
		1300
1111	cf::player->attach (	1301	cf::player->attach (
1112	on_command => sub {	1302	on_command => sub {
1113	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
1114		1304
1115	my $cb = $COMMAND{$name}	1305	my $cb = $COMMAND{$name}
…		…
1125	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
1126		1316
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1318
1129	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
1135	} else {	1334	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1336	}
1138		1337
1139	cf::override;	1338	cf::override;
1140	},	1339	},
1141	);	1340	);
		1341
		1342	# "readahead" all extensions
		1343	sub cache_extensions {
		1344	my $grp = IO::AIO::aio_group;
		1345
		1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1347	for (grep /\.ext$/, @{$_[0]}) {
		1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1349	}
		1350	};
		1351
		1352	$grp
		1353	}
1142		1354
1143	sub load_extensions {	1355	sub load_extensions {
1144	cf::sync_job {	1356	cf::sync_job {
1145	my %todo;	1357	my %todo;
1146		1358
…		…
1166		1378
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1381
1170	$ext{source} =	1382	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1172	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
1173	. $source	1385	. $source
1174	. "\n};\n1";	1386	. "\n};\n1";
1175		1387
1176	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
1192	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
1193	: "$v->{base}: extension inactive.\n";	1405	: "$v->{base}: extension inactive.\n";
1194		1406
1195	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1196	warn $msg;	1408	warn $msg;
1197	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1198	exit 1;
1199	}	1410	}
1200		1411
1201	warn $msg;	1412	warn $msg;
1202	}	1413	}
1203		1414
…		…
1217		1428
1218	=back	1429	=back
1219		1430
1220	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1221		1432
1222	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1223		1434
1224	=cut	1435	=cut
1225		1436
1226	package cf::player;	1437	package cf::player;
1227		1438
1228	use Coro::AIO;	1439	use Coro::AIO;
1229		1440
1230	=head3 cf::player	1441	=head3 cf::player
1231		1442
1232	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
1233		1458
1234	=item cf::player::find $login	1459	=item cf::player::find $login
1235		1460
1236	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1237		1462
…		…
1256		1481
1257	sub exists($) {	1482	sub exists($) {
1258	my ($login) = @_;	1483	my ($login) = @_;
1259		1484
1260	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1262	}	1487	}
1263		1488
1264	sub find($) {	1489	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1491	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1502
1278	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1279	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1280	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1281	}	1512	}
1282	}	1513	}
1283	}	1514	}
1284		1515
…		…
1293	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1294		1525
1295	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1297		1528
		1529	cf::get_slot 0.01;
		1530
1298	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1299	Coro::cede;	1532	cf::cede_to_tick;
1300	}	1533	}
1301		1534
1302	sub new($) {	1535	sub new($) {
1303	my ($login) = @_;	1536	my ($login) = @_;
1304		1537
…		…
1310	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1311		1544
1312	$self	1545	$self
1313	}	1546	}
1314		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1315	=item $pl->quit_character	1558	=item $pl->quit_character
1316		1559
1317	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1319		1562
…		…
1323	my ($pl) = @_;	1566	my ($pl) = @_;
1324		1567
1325	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1326		1569
1327	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1328	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1329		1572
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1331	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1333	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1334		1579
1335	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1372	or return [];	1617	or return [];
1373		1618
1374	my @logins;	1619	my @logins;
1375		1620
1376	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1380		1631
1381	utf8::decode $login;	1632	utf8::decode $login;
1382	push @logins, $login;	1633	push @logins, $login;
1383	}	1634	}
1384		1635
…		…
1411	}	1662	}
1412		1663
1413	\@paths	1664	\@paths
1414	}	1665	}
1415		1666
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1668
1418	Expand crossfire pod fragments into protocol xml.	1669	Expand deliantra pod fragments into protocol xml.
1419		1670
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1467		1672
1468	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1469		1674
1470	=cut	1675	=cut
1471		1676
1472	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1474		1679
1475	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1681	}
1478		1682
1479	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1480		1684
1481	Sends an ext event to the client.	1685	Sends an ext event to the client.
1482		1686
1483	=cut	1687	=cut
1484		1688
1485	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1487		1691
1488	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1489	}	1693	}
1490		1694
1491	=head3 cf::region	1695	=head3 cf::region
1492		1696
1493	=over 4	1697	=over 4
…		…
1537	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1539		1743
1540	sub generate_random_map {	1744	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1542	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1543	$self->_create_random_map (	1750	$self->_create_random_map (
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1668		1875
1669	# the temporary/swap location	1876	# the temporary/swap location
1670	sub save_path {	1877	sub save_path {
1671	my ($self) = @_;	1878	my ($self) = @_;
1672		1879
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1675	}	1882	}
1676		1883
1677	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1678	sub uniq_path {	1885	sub uniq_path {
1679	my ($self) = @_;	1886	my ($self) = @_;
1680		1887
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1683	}	1890	}
1684		1891
1685	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1686	# all maps in C++...	1893	# all maps in C++...
…		…
1709		1916
1710	sub load_header_from($) {	1917	sub load_header_from($) {
1711	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1712		1919
1713	utf8::encode $path;	1920	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1719		1929
1720	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1721		1931
1722	1	1932	1
1723	}	1933	}
…		…
1777	sub find {	1987	sub find {
1778	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1779		1989
1780	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1781		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1783		1994
1784	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1785	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1786	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1787	or return;	2000	or return;
1788		2001
1789	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1790		2003
…		…
1792	or return;	2005	or return;
1793		2006
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1797	$map->reset;	2012	$map->reset;
1798	undef $guard;
1799	return find $path;	2013	return find $path;
1800	}	2014	}
1801		2015
1802	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1803	}	2017	}
…		…
1812	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1813		2027
1814	my $path = $self->{path};	2028	my $path = $self->{path};
1815		2029
1816	{	2030	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1818		2032
		2033	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1820		2035
1821	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1822		2037
1823	$self->alloc;	2038	$self->alloc;
1824		2039
1825	$self->pre_load;	2040	$self->pre_load;
1826	Coro::cede;	2041	cf::cede_to_tick;
1827		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1828	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1829	or return;	2046	or return;
1830		2047
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1832	if delete $self->{load_original};	2049	if delete $self->{load_original};
1833		2050
1834	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2052	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2055	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1839	}	2059	}
1840	}	2060	}
1841		2061
1842	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1843	# now do the right thing for maps	2065	# now do the right thing for maps
1844	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2068	unless $self->difficulty;
1847	Coro::cede;	2069	cf::cede_to_tick;
1848		2070
1849	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2072	$self->decay_objects;
1851	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1852	$self->update_buttons;	2074	$self->update_buttons;
1853	Coro::cede;	2075	cf::cede_to_tick;
1854	$self->set_darkness_map;	2076	$self->set_darkness_map;
1855	Coro::cede;	2077	cf::cede_to_tick;
1856	$self->activate;	2078	$self->activate;
1857	}	2079	}
1858		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1860	}	2085	}
1861		2086
1862	$self->post_load;	2087	$self->post_load;
1863	}	2088	}
1864		2089
…		…
1873		2098
1874	$self	2099	$self
1875	}	2100	}
1876		2101
1877	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {	2103	sub load_neighbours {
1879	my ($map) = @_;	2104	my ($map) = @_;
1880		2105
1881	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1882		2107
1883	for (0 .. 3) {	2108	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1885	or next;	2110	or next;
1886	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1887	or next;	2112	or next;
1888	$neigh->load;	2113	$neigh->load;
1889		2114
		2115	push @neigh,
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}	2118	}
1893		2119
1894	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1895	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1896	or next;	2123	or next;
1897	$neigh->load;	2124	$neigh->load;
1898	}	2125	}
1899	}	2126	}
1900		2127
…		…
1905	}	2132	}
1906		2133
1907	sub do_load_sync {	2134	sub do_load_sync {
1908	my ($map) = @_;	2135	my ($map) = @_;
1909		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1910	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1911	}	2141	}
1912		2142
1913	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1915		2145
1916	sub find_async {	2146	sub find_async {
1917	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1918		2148
1919	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1920		2150
1921	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1923	}	2153	}
1924		2154
1925	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1926	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1927	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2162	if (my $map = find $k) {
1930	$map->load;	2163	$map->load if $v;
1931	}	2164	}
1932		2165
1933	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1934	}	2167	}
1935	}	2168	}
1936	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1937	};	2170	};
1938	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1941	}	2174	}
1942		2175
1943	sub save {	2176	sub save {
1944	my ($self) = @_;	2177	my ($self) = @_;
1945		2178
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1947		2180
1948	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1949		2182
1950	return unless $self->dirty;	2183	return unless $self->dirty;
1951		2184
…		…
1957	return if $self->{deny_save};	2190	return if $self->{deny_save};
1958		2191
1959	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1960		2193
1961	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1963	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1964		2200
1965	if ($uniq) {	2201	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2204	} else {
…		…
1974	my ($self) = @_;	2210	my ($self) = @_;
1975		2211
1976	# save first because save cedes	2212	# save first because save cedes
1977	$self->save;	2213	$self->save;
1978		2214
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2216
1981	return if $self->players;	2217	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1983	return if $self->{deny_save};	2219	return if $self->{deny_save};
1984		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1985	$self->clear;	2225	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2226	}
1988		2227
1989	sub reset_at {	2228	sub reset_at {
1990	my ($self) = @_;	2229	my ($self) = @_;
1991		2230
…		…
2023	if $uniq;	2262	if $uniq;
2024	}	2263	}
2025		2264
2026	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
2027		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2269	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2270
2032	$self->unlink_save;	2271	$self->unlink_save;
2033	$self->destroy;	2272	$self->destroy;
2034	}	2273	}
2035		2274
2036	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
2037		2276
2038	sub nuke {	2277	sub nuke {
2039	my ($self) = @_;	2278	my ($self) = @_;
2040		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
2041	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
2042		2284
2043	$self->unlink_save;	2285	$self->unlink_save;
2044		2286
2045	bless $self, "cf::map";	2287	bless $self, "cf::map";
2046	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2292
2051	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
2052		2295
2053	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
2054	}	2297	}
2055		2298
2056	=item $maps = cf::map::tmp_maps	2299	=item $maps = cf::map::tmp_maps
…		…
2098		2341
2099	sub unique_maps() {	2342	sub unique_maps() {
2100	[	2343	[
2101	map {	2344	map {
2102	utf8::decode $_;	2345	utf8::decode $_;
2103	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
2104	? normalise $_	2349	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2351	]
2108	}	2352	}
2109		2353
2110	package cf;
2111
2112	=back	2354	=back
2113		2355
2114	=head3 cf::object	2356	=head3 cf::object
2115		2357
2116	=cut	2358	=cut
…		…
2119		2361
2120	=over 4	2362	=over 4
2121		2363
2122	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
2123		2365
2124	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
2125		2368
2126	=cut	2369	=cut
2127		2370
2128	sub inv_recursive_;	2371	sub inv_recursive_;
2129	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
2132		2375
2133	sub inv_recursive {	2376	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
2135	}	2378	}
2136		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
2137	package cf;	2408	package cf;
2138		2409
2139	=back	2410	=back
2140		2411
2141	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2148	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
2150		2421
2151	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
2152		2437
2153	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2439	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
2163		2448
2164	} else {	2449	} else {
2165	my $pl = $self->contr;	2450	my $pl = $self->contr;
2166		2451
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2453	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2455
2176	} else {	2456	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2459	}
2180	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
2181	}	2471	}
2182		2472
2183	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
2184		2474
2185	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
2198		2488
2199	=item $player_object->enter_link	2489	=item $player_object->enter_link
2200		2490
2201	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
2202		2492
2203	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
2204	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
2205		2497
2206	Will never block.	2498	Will never block.
2207		2499
2208	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
2209		2501
…		…
2264	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
2267		2559
2268	$map->load;	2560	$map->load;
2269	$map->load_diag;	2561	$map->load_neighbours;
2270		2562
2271	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2272	$self->activate_recursive;	2565	$self->activate_recursive;
2273		2566
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2276	}	2569	}
…		…
2281	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2282	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
2283	the new (success) or old (failed) map position. In either case, $done will	2576	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2577	be called at the end of this process.
2285		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
		2581
2286	=cut	2582	=cut
2287		2583
2288	our $GOTOGEN;	2584	our $GOTOGEN;
2289		2585
2290	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
…		…
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2591
2296	$self->enter_link;	2592	$self->enter_link;
2297		2593
2298	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
2299	my $map = eval {	2616	my $map = eval {
2300	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
2301		2618
2302	if ($map) {	2619	if ($map) {
2303	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
2305	} else {	2622	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2624	}
2308		2625
2309	$map	2626	$map
2310	};	2627	};
2311		2628
…		…
2347	}	2664	}
2348		2665
2349	sub prepare_random_map {	2666	sub prepare_random_map {
2350	my ($exit) = @_;	2667	my ($exit) = @_;
2351		2668
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2671	# that depends on the exit object
2357		2672
2358	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2675	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2365	}	2682	}
2366		2683
2367	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2368		2685
2369	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2372		2689
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2692	undef $fh;
2376	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2377		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2380	}	2701	}
2381	}	2702	}
2382		2703
2383	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2385		2706
2386	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2387		2708
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2709	$self->enter_link;
2400		2710
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2711	(async {
2406	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2407	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2408	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2409		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2410	1;	2735	1
2411	}) {	2736	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2416		2741
2417	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	2770	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	2771	the message unless the client supports the msg packet.
2447		2772
2448	=cut	2773	=cut
2449		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
2450	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2452		2841
2453	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
2454		2844
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
2457	if (ref $channel) {	2856	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	2857	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	2858	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	2859	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
2462	}	2862	}
2463		2863
2464	$channel = $channel->{id};	2864	$channel = $channel->{id};
2465	}	2865	}
2466		2866
2467	return unless @extra || length $msg;	2867	return unless @extra || length $msg;
2468		2868
2469	if ($self->can_msg) {	2869	if ($self->can_msg) {
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
2471	} else {	2890	} else {
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481
2482	if ($color >= 0) {	2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
2483	if (0 && $msg =~ /\[/) {	2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
2485	} else {	2909	} else {
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")	2911	$self->send_packet ("drawinfo $color $msg")
2488	}	2912	}
2489	}	2913	}
2490	}	2914	}
2491	}	2915	}
2492		2916
2493	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2494		2918
2495	Sends an ext event to the client.	2919	Sends an ext event to the client.
2496		2920
2497	=cut	2921	=cut
2498		2922
2499	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2501		2925
2502	return unless $self->extcmd;	2926	if ($self->extcmd == 2) {
2503		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
2506	}	2950	}
2507		2951
2508	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2509		2953
2510	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	3009	my ($ns, $buf) = @_;
2566		3010
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		3012
2569	if (ref $msg) {	3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3021	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3022	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
2576	} else {	3028	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3030	}
2579		3031
2580	cf::override;	3032	cf::override;
…		…
2627	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2629		3081
2630	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2631		3083
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2633		3089
2634	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2635		3091
2636	=pod	3092	=pod
2637		3093
2638	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2639		3095
2640	cf::object	3096	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3097	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3098	insert remove name archname title slaying race decrease split
2643		3099
2644	cf::object::player	3100	cf::object::player
2645	player	3101	player
2646		3102
2647	cf::player	3103	cf::player
…		…
2652		3108
2653	=cut	3109	=cut
2654		3110
2655	for (	3111	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2658	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2660	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2661	) {	3118	) {
2662	no strict 'refs';	3119	no strict 'refs';
…		…
2738	# the server's init and main functions	3195	# the server's init and main functions
2739		3196
2740	sub load_facedata($) {	3197	sub load_facedata($) {
2741	my ($path) = @_;	3198	my ($path) = @_;
2742		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3205
2743	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2744		3207
2745	my $facedata;	3208	my $facedata;
2746	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
2747	or die "$path: $!";	3210	or die "$path: $!";
…		…
2749	$facedata = Coro::Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2750		3213
2751	$facedata->{version} == 2	3214	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
2754	{	3224	{
2755	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2756		3226
2757	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2759	cf::face::set_visibility $idx, $info->{visibility};	3230	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2763		3234
2764	cf::cede_to_tick;	3235	cf::cede_to_tick;
2765	}	3236	}
2766		3237
2767	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2769	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2770	or next;	3242	or next;
		3243
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3245	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3247	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2792		3265
2793	{	3266	{
2794	# TODO: for gcfclient pleasure, we should give resources	3267	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.	3268	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3269	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3270
2799	while (my ($name, $info) = each %$res) {	3271	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3272	if (defined $info->{type}) {
2801	name => $name,
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
2807		3275
2808	if ($name =~ /\.jpg$/) {	3276	if ($info->{type} & 1) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3277	# prepend meta info
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
2811	} else {	3291	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3292	$RESOURCE{$name} = $info;
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3293	}
2818		3294
2819	cf::cede_to_tick;	3295	cf::cede_to_tick;
2820	}	3296	}
2821	}	3297	}
2822		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
2823	1	3301	1
2824	}	3302	}
2825		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
2826	sub reload_regions {	3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
2827	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3348	or die "unable to load regions file\n";
2829		3349
2830	for (cf::region::list) {	3350	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3351	$_->{match} = qr/$_->{match}/
…		…
2839	}	3359	}
2840		3360
2841	sub reload_archetypes {	3361	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3362	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3363	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3364	}
2850		3365
2851	sub reload_treasures {	3366	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3367	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3368	or die "unable to load treasurelists\n";
2854	}	3369	}
2855		3370
2856	sub reload_resources {	3371	sub reload_resources {
2857	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2858		3373
		3374	reload_facedata;
		3375	reload_archetypes;
2859	reload_regions;	3376	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3377	reload_treasures;
2864		3378
2865	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2866	}	3380	}
2867		3381
2868	sub init {	3382	sub reload_config {
2869	reload_resources;
2870	}
2871
2872	sub cfg_load {
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2874	or return;	3384	or return;
2875		3385
2876	local $/;	3386	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2878		3388
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2880		3390
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2888	};	3398	};
2889	warn $@ if $@;	3399	warn $@ if $@;
2890	}	3400	}
2891	}	3401	}
2892		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2893	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2894	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3441	(async {
2898	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2900	};	3445	};
2901		3446
2902	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2903	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2904	load_extensions;	3465	load_extensions;
2905		3466
2906	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2907	Event::loop;	3475	EV::loop;
2908	}	3476	}
2909		3477
2910	#############################################################################	3478	#############################################################################
2911	# initialisation and cleanup	3479	# initialisation and cleanup
2912		3480
2913	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2914	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2923	},
2924	);	3487	};
2925	}	3488	}
2926	}	3489	}
2927		3490
2928	sub write_runtime {	3491	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";
2930
2931	# first touch the runtime file to show we are still running:	3492	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3493	# the fsync below can take a very very long time.
2933		3494
2934	IO::AIO::aio_utime $runtime, undef, undef;	3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3496
2936	my $guard = cf::lock_acquire "write_runtime";	3497	my $guard = cf::lock_acquire "write_runtime";
2937		3498
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2939	or return;	3500	or return;
2940		3501
2941	my $value = $cf::RUNTIME + 90 + 10;	3502	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3503	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3504	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3514	aio_utime $fh, undef, undef;
2954		3515
2955	close $fh	3516	close $fh
2956	or return;	3517	or return;
2957		3518
2958	aio_rename "$runtime~", $runtime	3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3520	and return;
2960		3521
2961	warn "runtime file written.\n";	3522	warn "runtime file written.\n";
2962		3523
2963	1	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2964	}	3575	}
2965		3576
2966	sub emergency_save() {	3577	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2968		3579
2969	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2970		3581
2971	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2972	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3596	$pl->save;
2980	}	3597	}
2981	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2982		3599
2983	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3603	$map->valid or next;
2987	$map->save;	3604	$map->save;
2988	}	3605	}
2989	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2990		3607
2991	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2994	};	3615	};
2995		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2996	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2997	}	3623	}
2998		3624
2999	sub post_cleanup {	3625	sub post_cleanup {
3000	my ($make_core) = @_;	3626	my ($make_core) = @_;
3001		3627
3002	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
3004	}	3659	}
3005		3660
3006	sub do_reload_perl() {	3661	sub do_reload_perl() {
3007	# can/must only be called in main	3662	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
3009	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
3010	return;	3665	return;
3011	}	3666	}
3012		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
3013	warn "reloading...";	3673	warn "reloading...";
3014		3674
3015	warn "entering sync_job";	3675	warn "entering sync_job";
3016		3676
3017	cf::sync_job {	3677	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
3019	cf::emergency_save;	3679	cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
3021		3681
3022	warn "syncing database to disk";	3682	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
3024		3684
3025	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
3026		3686
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
3038	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();
3046
3047	warn "removing commands";
3048	%COMMAND = ();
3049
3050	warn "removing ext/exti commands";
3051	%EXTCMD = ();
3052	%EXTICMD = ();
3053
3054	warn "unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";
3057
3058	if (my $cb = $pkg->can ("unload")) {
3059	eval {
3060	$cb->($pkg);
3061	1
3062	} or warn "$pkg unloaded, but with errors: $@";
3063	}	3690	}
3064		3691
3065	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
3066	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
3067	}	3694	%EXT_CORO = ();
3068		3695
3069	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
3070	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
3073	warn "... unloading $k";	3705	warn "... unloading $pkg";
3074	delete $INC{$k};
3075		3706
3076	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;
3078
3079	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
3080	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
3081	}	3716	}
3082		3717
3083	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
3084	}	3733	}
3085		3734
3086	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		3738
3090	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
3093		3742
3094	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
3095	# and global variables created in xs	3744	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
3097		3746
3098	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
3099		3748
3100	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
3101	require cf;	3750	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3103		3752
3104	warn "loading config and database again";	3753	warn "loading config and database again";
3105	cf::cfg_load;	3754	cf::reload_config;
3106		3755
3107	warn "loading extensions";	3756	warn "loading extensions";
3108	cf::load_extensions;	3757	cf::load_extensions;
3109		3758
		3759	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
3113	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
3116		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
3117	warn "leaving sync_job";	3771	warn "leaving sync_job";
3118		3772
3119	1	3773	1
3120	} or do {	3774	} or do {
3121	warn $@;	3775	warn $@;
3122	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
3123	exit 1;
3124	};	3777	};
3125		3778
3126	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
3127	};	3785	};
3128		3786
3129	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
3130		3788
3131	sub reload_perl() {	3789	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
3134		3792
3135	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	3795
3138	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	3797	do_reload_perl;
3141	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
3142	},	3799	};
3143	);	3800	};
3144	}	3801	}
3145		3802
3146	register_command "reload" => sub {	3803	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
3148		3805
3149	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	3810	reload_perl;
		3811	};
3152	}	3812	}
3153	};	3813	};
3154		3814
3155	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
3156		3816
…		…
3158		3818
3159	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
3161		3821
3162	sub wait_for_tick {	3822	sub wait_for_tick {
3163	return unless $TICK_WATCHER->is_active;
3164	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
3165		3824
3166	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
3167	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;	3827	$signal->wait;
3169	}	3828	}
3170		3829
3171	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
3172	return unless $TICK_WATCHER->is_active;
3173	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
3174		3832
3175	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	3835	$signal->wait;
3178	}	3836	}
3179		3837
3180	my $min = 1e6;#d#	3838	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
3192	return;	3842	return;
3193	}	3843	}
3194		3844
3195	$NOW = $tick_start = Event::time;
3196
3197	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
3198		3846
3199	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	3849	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
3203	or die;	3851	write_runtime_sync
3204		3852	or warn "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	3853	};
		3854	}
3221		3855
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	3857	$sig->send;
3238	}	3858	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
3240	$sig->send;	3860	$sig->send;
3241	}	3861	}
3242		3862
3243	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		3865
3254	_post_tick;	3866	if (0) {
3255		3867	if ($NEXT_TICK) {
3256		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
3257	},	3872	}
3258	);	3873	}
3259		3874
3260	{	3875	{
3261	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	3877
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3271		3879	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		3881
3287	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		3889
3290	cf::sync_job {	3890	cf::sync_job {
3291	eval {	3891	eval {
3292	BDB::db_env_open	3892	BDB::db_env_open
3293	$DB_ENV,	3893	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	3897	0666;
3298		3898
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	3900	};
3304		3901
3305	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	3903	};
3307	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
3308	}	3915	}
3309		3916
3310	{	3917	{
		3918	# configure IO::AIO
		3919
3311	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	3923	}
3324		3924
3325	my $_log_backtrace;	3925	my $_log_backtrace;
3326		3926
3327	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3330	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3331		3931
3332	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3334	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3335	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
3336	my @bt = fork_call {	3939	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3348	}	3951	}
3349		3952
3350	@funcs	3953	@funcs
3351	};	3954	};
3352		3955
3353	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	3959	--$_log_backtrace;
3356	};	3960	};
3357	} else {	3961	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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