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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.303 by root, Wed Jul 11 15:57:31 2007 UTC vs.
Revision 1.455 by root, Sat Sep 27 08:17:40 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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
101		134
102	binmode STDOUT;	135	binmode STDOUT;
103	binmode STDERR;	136	binmode STDERR;
104		137
105	# read virtual server time, if available	138	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
110	}	143	}
111		144
112	mkdir $_	145	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		191
159	The raw value load value from the last tick.	192	The raw value load value from the last tick.
160		193
161	=item %cf::CFG	194	=item %cf::CFG
162		195
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	197	from wherever your confdir points to.
165		198
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		200
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	202	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
172	=back	211	=back
173		212
174	=cut	213	=cut
175		214
176	BEGIN {	215	BEGIN {
…		…
180	$msg .= "\n"	219	$msg .= "\n"
181	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
182		221
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		223
185	utf8::encode $msg;
186	LOG llevError, $msg;	224	LOG llevError, $msg;
187	};	225	};
188	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
189		242
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	253	for my $pkg (qw(
201	cf::global cf::attachable	254	cf::global cf::attachable
202	cf::object cf::object::player	255	cf::object cf::object::player
203	cf::client cf::player	256	cf::client cf::player
204	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
205	cf::map cf::party cf::region	259	cf::party cf::region
206	)) {	260	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	262	}
210		263
211	$Event::DIED = sub {	264	$EV::DIED = sub {
212	warn "error in event callback: @_";	265	warn "error in event callback: @_";
213	};	266	};
214		267
215	#############################################################################	268	#############################################################################
216		269
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	293	$d
241	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
242	}	295	}
243		296
244	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
245		298
246	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
247		300
248	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
249		302
250	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
251		304
252	=cut	305	=cut
253		306
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		308
256	sub to_json ($) { $json_coder->encode ($_[0]) }	309	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
258		325
259	=item cf::lock_wait $string	326	=item cf::lock_wait $string
260		327
261	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
262		329
…		…
265	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
268	returned.	335	returned.
269		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
270	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
272		342
273	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
274		344
275	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
276		346
277	=cut	347	=cut
278		348
279	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
280		351
281	sub lock_wait($) {	352	sub lock_wait($) {
282	my ($key) = @_;	353	my ($key) = @_;
283		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
284	# wait for lock, if any	360	# wait for lock, if any
285	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
286	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;	364	Coro::schedule;
288	}	365	}
289	}	366	}
290		367
…		…
293		370
294	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
295	lock_wait $key;	372	lock_wait $key;
296		373
297	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
298		376
299	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
300	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
302	}	381	}
303	}	382	}
304		383
…		…
307		386
308	! ! $LOCK{$key}	387	! ! $LOCK{$key}
309	}	388	}
310		389
311	sub freeze_mainloop {	390	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
313		392
314	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
315	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
316	};	454	}
317	$TICK_WATCHER->stop;	455	};
318	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
319	}	469	}
320		470
321	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
322		472
323	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		478
329	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
330		480
331	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
332		482
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	484	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	486	acceptable.
337		487
338	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		494
345	sub sync_job(&) {	495	sub sync_job(&) {
346	my ($job) = @_;	496	my ($job) = @_;
347		497
348	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	499	my $time = EV::time;
350		500
351	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
353		503
354	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	505
356	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
357		507
358	my $busy = 1;	508	my $busy = 1;
359	my @res;	509	my @res;
360		510
361	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	513	@res = eval { $job->() };
363	warn $@ if $@;	514	warn $@ if $@;
364	undef $busy;	515	undef $busy;
365	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
366		517
367	while ($busy) {	518	while ($busy) {
368	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
369	}	523	}
		524	}
370		525
371	$time = Event::time - $time;	526	my $time = EV::time - $time;
372		527
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
377		529
378	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
379	} else {	531	} else {
380	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
381		533
…		…
406	=item fork_call { }, $args	558	=item fork_call { }, $args
407		559
408	Executes the given code block with the given arguments in a seperate	560	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	562	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
412		564
413	=cut	565	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		566
424	sub fork_call(&@) {	567	sub fork_call(&@) {
425	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
426		569
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	570	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	571	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	572	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		573
432	if (my $pid = fork) {	574	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	575	reset_signals;
446	local $SIG{__WARN__};	576	&$cb
447	local $SIG{__DIE__};	577	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		578
454	eval {	579	wantarray ? @res : $res[-1]
455	close $fh1;	580	}
456		581
457	my @res = eval { $cb->(@args) };	582	=item $coin = coin_from_name $name
458		583
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	584	=cut
460	close $fh2;
461	};
462		585
463	warn $@ if $@;	586	our %coin_alias = (
464	_exit 0;	587	"silver" => "silvercoin",
465	}	588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
466	}	607	}
467		608
468	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
469		610
470	Returns a single value from the environment database.	611	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
473		614
474	Stores the given C<$value> in the family. It can currently store binary	615	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
477	=cut	623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
478		641
479	our $DB;	642	our $DB;
480		643
481	sub db_init {	644	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	645	cf::sync_job {
486	eval {	646	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	647	};
496	}	648	}
497		649
498	sub db_get($$) {	650	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
500		652
…		…
550	if (1) {	702	if (1) {
551	$md5 =	703	$md5 =
552	join "\x00",	704	join "\x00",
553	$processversion,	705	$processversion,
554	map {	706	map {
555	Coro::cede;	707	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	709	} 0.. $#$src;
558		710
559		711
560	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		750
599	#############################################################################	751	#############################################################################
600		752
601	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
602		754
603	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
606		758
607	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	761	Deliantra).
610		762
611	=over 4	763	=over 4
612		764
613	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
614		766
…		…
658	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
659		811
660	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
662		814
663	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
665		817
666	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
667		819
668	=over 4	820	=over 4
…		…
866	";	1018	";
867	die if $@;	1019	die if $@;
868	}	1020	}
869		1021
870	our $override;	1022	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1024
873	sub override {	1025	sub override {
874	$override = 1;	1026	$override = 1;
875	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
876	}	1028	}
877		1029
878	sub do_invoke {	1030	sub do_invoke {
879	my $event = shift;	1031	my $event = shift;
880	my $callbacks = shift;	1032	my $callbacks = shift;
881		1033
882	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
883		1035
884	local $override;	1036	local $override;
885		1037
886	for (@$callbacks) {	1038	for (@$callbacks) {
887	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
896	}	1048	}
897		1049
898	0	1050	0
899	}	1051	}
900		1052
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1054
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1056
905	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
906		1058
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1062
911	=back	1063	=back
912		1064
913	=cut	1065	=cut
914		1066
915	#############################################################################	1067	#############################################################################
916	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
917		1111
918	sub reattach {	1112	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1114	my ($obj) = @_;
921		1115
		1116	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1118
924	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
925		1120
926	@$registry = ();	1121	@$registry = ();
927		1122
…		…
942	cf::attachable->attach (	1137	cf::attachable->attach (
943	prio => -1000000,	1138	prio => -1000000,
944	on_instantiate => sub {	1139	on_instantiate => sub {
945	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
946		1141
947	$data = from_json $data;	1142	$data = decode_json $data;
948		1143
949	for (@$data) {	1144	for (@$data) {
950	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
951		1146
952	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1163	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
970		1165
971	sync_job {	1166	sync_job {
972	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
975		1171
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1176	aio_close $fh;
981		1177
982	if (@$objs) {	1178	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1184	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
990	}	1186	}
991	} else {	1187	} else {
992	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
993	}	1189	}
…		…
998	}	1194	}
999	} else {	1195	} else {
1000	aio_unlink $filename;	1196	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1002	}	1198	}
1003	}	1199	};
1004	}	1200	}
1005		1201
1006	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
1008		1204
…		…
1020	or return;	1216	or return;
1021		1217
1022	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1220	or return;
		1221
1025	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
1026	}	1224	}
1027		1225
		1226	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1228	$decname, length $data, scalar @{$av || []};
		1229
1030	return ($data, $av);	1230	($data, $av)
1031	}	1231	}
1032		1232
1033	=head2 COMMAND CALLBACKS	1233	=head2 COMMAND CALLBACKS
1034		1234
1035	=over 4	1235	=over 4
…		…
1108	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
1109		1309
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1311
1112	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
1118	} else {	1327	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1329	}
1121		1330
1122	cf::override;	1331	cf::override;
…		…
1149		1358
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1361
1153	$ext{source} =	1362	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1364	. "#line 1 \"$path\"\n{\n"
1156	. $source	1365	. $source
1157	. "\n};\n1";	1366	. "\n};\n1";
1158		1367
1159	$todo{$base} = \%ext;	1368	$todo{$base} = \%ext;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1384	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1385	: "$v->{base}: extension inactive.\n";
1177		1386
1178	if (exists $v->{meta}{mandatory}) {	1387	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1388	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1389	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1390	}
1183		1391
1184	warn $msg;	1392	warn $msg;
1185	}	1393	}
1186		1394
…		…
1200		1408
1201	=back	1409	=back
1202		1410
1203	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
1204		1412
1205	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
1206		1414
1207	=cut	1415	=cut
1208		1416
1209	package cf::player;	1417	package cf::player;
1210		1418
1211	use Coro::AIO;	1419	use Coro::AIO;
1212		1420
1213	=head3 cf::player	1421	=head3 cf::player
1214		1422
1215	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
1216		1438
1217	=item cf::player::find $login	1439	=item cf::player::find $login
1218		1440
1219	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1220		1442
…		…
1239		1461
1240	sub exists($) {	1462	sub exists($) {
1241	my ($login) = @_;	1463	my ($login) = @_;
1242		1464
1243	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1245	}	1467	}
1246		1468
1247	sub find($) {	1469	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1471	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1482
1261	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1264	}	1492	}
1265	}	1493	}
1266	}	1494	}
1267		1495
…		…
1276	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1277		1505
1278	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1280		1508
		1509	cf::get_slot 0.01;
		1510
1281	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1282	Coro::cede;	1512	cf::cede_to_tick;
1283	}	1513	}
1284		1514
1285	sub new($) {	1515	sub new($) {
1286	my ($login) = @_;	1516	my ($login) = @_;
1287		1517
…		…
1293	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1294		1524
1295	$self	1525	$self
1296	}	1526	}
1297		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1298	=item $pl->quit_character	1538	=item $pl->quit_character
1299		1539
1300	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1302		1542
…		…
1306	my ($pl) = @_;	1546	my ($pl) = @_;
1307		1547
1308	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1309		1549
1310	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1552
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1317		1559
1318	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1597	or return [];
1356		1598
1357	my @logins;	1599	my @logins;
1358		1600
1359	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1363		1611
1364	utf8::decode $login;	1612	utf8::decode $login;
1365	push @logins, $login;	1613	push @logins, $login;
1366	}	1614	}
1367		1615
…		…
1394	}	1642	}
1395		1643
1396	\@paths	1644	\@paths
1397	}	1645	}
1398		1646
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1648
1401	Expand crossfire pod fragments into protocol xml.	1649	Expand deliantra pod fragments into protocol xml.
1402		1650
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1450		1652
1451	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1452		1654
1453	=cut	1655	=cut
1454		1656
1455	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1457		1659
1458	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1661	}
1461		1662
1462	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1463		1664
1464	Sends an ext event to the client.	1665	Sends an ext event to the client.
1465		1666
1466	=cut	1667	=cut
1467		1668
1468	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1470		1671
1471	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1472	}	1673	}
1473		1674
1474	=head3 cf::region	1675	=head3 cf::region
1475		1676
1476	=over 4	1677	=over 4
…		…
1489	my ($path) = @_;	1690	my ($path) = @_;
1490		1691
1491	my ($match, $specificity);	1692	my ($match, $specificity);
1492		1693
1493	for my $region (list) {	1694	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1695	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1696	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1697	if $region->specificity > $specificity;
1497	}	1698	}
1498	}	1699	}
1499		1700
…		…
1520	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1522		1723
1523	sub generate_random_map {	1724	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1525	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1730	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1619	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1620	return $self;	1824	return $self;
1621	}	1825	}
1622	}	1826	}
1623		1827
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1829	()
1626	}	1830	}
1627		1831
1628	sub init {	1832	sub init {
1629	my ($self) = @_;	1833	my ($self) = @_;
…		…
1651		1855
1652	# the temporary/swap location	1856	# the temporary/swap location
1653	sub save_path {	1857	sub save_path {
1654	my ($self) = @_;	1858	my ($self) = @_;
1655		1859
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1658	}	1862	}
1659		1863
1660	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1661	sub uniq_path {	1865	sub uniq_path {
1662	my ($self) = @_;	1866	my ($self) = @_;
1663		1867
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1666	}	1870	}
1667		1871
1668	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1669	# all maps in C++...	1873	# all maps in C++...
…		…
1692		1896
1693	sub load_header_from($) {	1897	sub load_header_from($) {
1694	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1695		1899
1696	utf8::encode $path;	1900	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1702		1909
1703	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1704		1911
1705	1	1912	1
1706	}	1913	}
…		…
1760	sub find {	1967	sub find {
1761	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1762		1969
1763	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1764		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1766		1974
1767	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1768	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1769	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1770	or return;	1980	or return;
1771		1981
1772	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1773		1983
…		…
1775	or return;	1985	or return;
1776		1986
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1780	$map->reset;	1992	$map->reset;
1781	undef $guard;
1782	return find $path;	1993	return find $path;
1783	}	1994	}
1784		1995
1785	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1786	}	1997	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1796		2007
1797	my $path = $self->{path};	2008	my $path = $self->{path};
1798		2009
1799	{	2010	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1801		2012
		2013	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2015
1804	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1805		2017
1806	$self->alloc;	2018	$self->alloc;
1807		2019
1808	$self->pre_load;	2020	$self->pre_load;
1809	Coro::cede;	2021	cf::cede_to_tick;
1810		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1812	or return;	2026	or return;
1813		2027
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1815	if delete $self->{load_original};	2029	if delete $self->{load_original};
1816		2030
1817	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2032	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2035	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1822	}	2039	}
1823	}	2040	}
1824		2041
1825	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1826	# now do the right thing for maps	2045	# now do the right thing for maps
1827	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2048	unless $self->difficulty;
1830	Coro::cede;	2049	cf::cede_to_tick;
1831		2050
1832	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2052	$self->decay_objects;
1834	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1835	$self->update_buttons;	2054	$self->update_buttons;
1836	Coro::cede;	2055	cf::cede_to_tick;
1837	$self->set_darkness_map;	2056	$self->set_darkness_map;
1838	Coro::cede;	2057	cf::cede_to_tick;
1839	$self->activate;	2058	$self->activate;
1840	}	2059	}
1841		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2065	}
1844		2066
1845	$self->post_load;	2067	$self->post_load;
1846	}	2068	}
1847		2069
…		…
1856		2078
1857	$self	2079	$self
1858	}	2080	}
1859		2081
1860	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2083	sub load_neighbours {
1862	my ($map) = @_;	2084	my ($map) = @_;
1863		2085
1864	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1865		2087
1866	for (0 .. 3) {	2088	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1868	or next;	2090	or next;
1869	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1870	or next;	2092	or next;
1871	$neigh->load;	2093	$neigh->load;
1872		2094
		2095	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2098	}
1876		2099
1877	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1879	or next;	2103	or next;
1880	$neigh->load;	2104	$neigh->load;
1881	}	2105	}
1882	}	2106	}
1883		2107
…		…
1888	}	2112	}
1889		2113
1890	sub do_load_sync {	2114	sub do_load_sync {
1891	my ($map) = @_;	2115	my ($map) = @_;
1892		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1893	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1894	}	2121	}
1895		2122
1896	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1898		2125
1899	sub find_async {	2126	sub find_async {
1900	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1901		2128
1902	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1903		2130
1904	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2133	}
1907		2134
1908	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1909	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1910	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2142	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2143	$map->load if $v;
		2144	}
1915		2145
1916	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1917	}	2147	}
1918	}	2148	}
1919	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1920	};	2150	};
1921	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2154	}
1925		2155
1926	sub save {	2156	sub save {
1927	my ($self) = @_;	2157	my ($self) = @_;
1928		2158
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2160
1931	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1932		2162
1933	return unless $self->dirty;	2163	return unless $self->dirty;
1934		2164
…		…
1940	return if $self->{deny_save};	2170	return if $self->{deny_save};
1941		2171
1942	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1943		2173
1944	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1946	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1947		2180
1948	if ($uniq) {	2181	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2184	} else {
…		…
1957	my ($self) = @_;	2190	my ($self) = @_;
1958		2191
1959	# save first because save cedes	2192	# save first because save cedes
1960	$self->save;	2193	$self->save;
1961		2194
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2196
1964	return if $self->players;	2197	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2199	return if $self->{deny_save};
1967		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2205	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2206	}
1971		2207
1972	sub reset_at {	2208	sub reset_at {
1973	my ($self) = @_;	2209	my ($self) = @_;
1974		2210
…		…
2006	if $uniq;	2242	if $uniq;
2007	}	2243	}
2008		2244
2009	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
2010		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2249	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2250
2015	$self->unlink_save;	2251	$self->unlink_save;
2016	$self->destroy;	2252	$self->destroy;
2017	}	2253	}
2018		2254
2019	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
2020		2256
2021	sub nuke {	2257	sub nuke {
2022	my ($self) = @_;	2258	my ($self) = @_;
2023		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
2024	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
2025		2264
2026	$self->unlink_save;	2265	$self->unlink_save;
2027		2266
2028	bless $self, "cf::map";	2267	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2272
2034	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
2035		2275
2036	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
2037	}	2277	}
2038		2278
2039	=item $maps = cf::map::tmp_maps	2279	=item $maps = cf::map::tmp_maps
…		…
2081		2321
2082	sub unique_maps() {	2322	sub unique_maps() {
2083	[	2323	[
2084	map {	2324	map {
2085	utf8::decode $_;	2325	utf8::decode $_;
2086	/\.map$/	2326	s/\.map$//; # TODO future compatibility hack
		2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2328	? ()
2087	? normalise $_	2329	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2330	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2331	]
2091	}	2332	}
2092		2333
2093	package cf;
2094
2095	=back	2334	=back
2096		2335
2097	=head3 cf::object	2336	=head3 cf::object
2098		2337
2099	=cut	2338	=cut
…		…
2102		2341
2103	=over 4	2342	=over 4
2104		2343
2105	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
2106		2345
2107	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
2108		2348
2109	=cut	2349	=cut
2110		2350
2111	sub inv_recursive_;	2351	sub inv_recursive_;
2112	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
2115		2355
2116	sub inv_recursive {	2356	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
2118	}	2358	}
2119		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
2120	package cf;	2388	package cf;
2121		2389
2122	=back	2390	=back
2123		2391
2124	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
2133		2401
2134	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
2135		2417
2136	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2419	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
2146		2428
2147	} else {	2429	} else {
2148	my $pl = $self->contr;	2430	my $pl = $self->contr;
2149		2431
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2433	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2435
2159	} else {	2436	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2439	}
2163	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
2164	}	2451	}
2165		2452
2166	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
2167		2454
2168	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
2181		2468
2182	=item $player_object->enter_link	2469	=item $player_object->enter_link
2183		2470
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2472
2186	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
2188		2477
2189	Will never block.	2478	Will never block.
2190		2479
2191	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
2192		2481
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
2250		2539
2251	$map->load;	2540	$map->load;
2252	$map->load_diag;	2541	$map->load_neighbours;
2253		2542
2254	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2255	$self->activate_recursive;	2545	$self->activate_recursive;
2256		2546
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
2259	}	2549	}
2260		2550
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2552
2263	Moves the player to the given map-path and coordinates by first freezing	2553	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2554	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2555	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2556	the new (success) or old (failed) map position. In either case, $done will
		2557	be called at the end of this process.
		2558
		2559	Note that $check will be called with a potentially non-loaded map, so if
		2560	it needs a loaded map it has to call C<< ->load >>.
2267		2561
2268	=cut	2562	=cut
2269		2563
2270	our $GOTOGEN;	2564	our $GOTOGEN;
2271		2565
2272	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
2274		2568
2275	# do generation counting so two concurrent goto's will be executed in-order	2569	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2571
2278	$self->enter_link;	2572	$self->enter_link;
2279		2573
2280	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
2281	my $map = eval {	2596	my $map = eval {
2282	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
2283		2598
2284	if ($map) {	2599	if ($map) {
2285	$map = $map->customise_for ($self);	2600	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2601	$map = $check->($map) if $check && $map;
2287	} else {	2602	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2604	}
2290		2605
2291	$map	2606	$map
2292	};	2607	};
2293		2608
…		…
2298		2613
2299	if ($gen == $self->{_goto_generation}) {	2614	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2615	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
2302	}	2617	}
		2618
		2619	$done->() if $done;
2303	})->prio (1);	2620	})->prio (1);
2304	}	2621	}
2305		2622
2306	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
2307		2624
…		…
2327	}	2644	}
2328		2645
2329	sub prepare_random_map {	2646	sub prepare_random_map {
2330	my ($exit) = @_;	2647	my ($exit) = @_;
2331		2648
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2651	# that depends on the exit object
2337		2652
2338	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2655	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2345	}	2662	}
2346		2663
2347	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2348		2665
2349	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2352		2669
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2672	undef $fh;
2356	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2357		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2360	}	2681	}
2361	}	2682	}
2362		2683
2363	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2365		2686
2366	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2367		2688
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2689	$self->enter_link;
2380		2690
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2691	(async {
2386	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2387	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2388	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2389		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2390	1;	2715	1
2391	}) {	2716	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2721
2397	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2416		2741
2417	utf8::encode $text;	2742	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2744	}
2420		2745
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2747
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2748	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2749	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2750	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2751	the message unless the client supports the msg packet.
2427		2752
2428	=cut	2753	=cut
2429		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
2430	sub cf::client::send_msg {	2819	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	2820	my ($self, $channel, $msg, $color, @extra) = @_;
2432		2821
2433	$msg = $self->pl->expand_cfpod ($msg);	2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
2434		2846
2435	return unless @extra || length $msg;	2847	return unless @extra || length $msg;
2436		2848
2437	if ($self->can_msg) {	2849	if ($self->can_msg) {
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
2439	} else {	2870	} else {
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449
2450	if ($color >= 0) {	2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
2451	if (0 && $msg =~ /\[/) {	2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
2453	} else {	2889	} else {
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")	2891	$self->send_packet ("drawinfo $color $msg")
2456	}	2892	}
2457	}	2893	}
2458	}	2894	}
2459	}	2895	}
2460		2896
2461	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2462		2898
2463	Sends an ext event to the client.	2899	Sends an ext event to the client.
2464		2900
2465	=cut	2901	=cut
2466		2902
2467	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2469		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2472	}	2930	}
2473		2931
2474	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2475		2933
2476	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	2989	my ($ns, $buf) = @_;
2532		2990
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		2992
2535	if (ref $msg) {	2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3001	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3002	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2542	} else {	3008	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3010	}
2545		3011
2546	cf::override;	3012	cf::override;
…		…
2593	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2595		3061
2596	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2597		3063
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2599		3069
2600	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2601		3071
2602	=pod	3072	=pod
2603		3073
2604	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2605		3075
2606	cf::object	3076	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3077	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3078	insert remove name archname title slaying race decrease split
2609		3079
2610	cf::object::player	3080	cf::object::player
2611	player	3081	player
2612		3082
2613	cf::player	3083	cf::player
…		…
2618		3088
2619	=cut	3089	=cut
2620		3090
2621	for (	3091	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2624	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2626	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2627	) {	3098	) {
2628	no strict 'refs';	3099	no strict 'refs';
…		…
2704	# the server's init and main functions	3175	# the server's init and main functions
2705		3176
2706	sub load_facedata($) {	3177	sub load_facedata($) {
2707	my ($path) = @_;	3178	my ($path) = @_;
2708		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3185
2709	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2710		3187
2711	my $facedata;	3188	my $facedata;
2712	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
2713	or die "$path: $!";	3190	or die "$path: $!";
…		…
2715	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2716		3193
2717	$facedata->{version} == 2	3194	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2720	{	3204	{
2721	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2722		3206
2723	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2725	cf::face::set_visibility $idx, $info->{visibility};	3210	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3211	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2729		3214
2730	cf::cede_to_tick;	3215	cf::cede_to_tick;
2731	}	3216	}
2732		3217
2733	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2735	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2736	or next;	3222	or next;
		3223
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3225	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3227	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2758		3245
2759	{	3246	{
2760	# TODO: for gcfclient pleasure, we should give resources	3247	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.	3248	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3249	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3250
2765	while (my ($name, $info) = each %$res) {	3251	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3252	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2775	cf::face::set_type $idx, 1;	3270	cf::face::set_type $idx, $info->{type};
2776	cf::face::set_data $idx, 0, $data, $chk;	3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
2777		3274
2778	cf::cede_to_tick;	3275	cf::cede_to_tick;
2779	}	3276	}
2780	}	3277	}
2781		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2782	1	3281	1
2783	}	3282	}
2784		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
2785	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2786	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
2788	}	3334	}
2789		3335
2790	sub reload_facedata {	3336	sub reload_facedata {
2791	load_facedata "$DATADIR/facedata"	3337	load_facedata "$DATADIR/facedata"
2792	or die "unable to load facedata\n";	3338	or die "unable to load facedata\n";
2793	}	3339	}
2794		3340
2795	sub reload_archetypes {	3341	sub reload_archetypes {
2796	load_resource_file "$DATADIR/archetypes"	3342	load_resource_file "$DATADIR/archetypes"
2797	or die "unable to load archetypes\n";	3343	or die "unable to load archetypes\n";
2798	#d# NEED to laod twice to resolve forward references
2799	# this really needs to be done in an extra post-pass
2800	# (which needs to be synchronous, so solve it differently)
2801	load_resource_file "$DATADIR/archetypes"
2802	or die "unable to load archetypes\n";
2803	}	3344	}
2804		3345
2805	sub reload_treasures {	3346	sub reload_treasures {
2806	load_resource_file "$DATADIR/treasures"	3347	load_resource_file "$DATADIR/treasures"
2807	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
2808	}	3349	}
2809		3350
2810	sub reload_resources {	3351	sub reload_resources {
2811	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2812		3353
		3354	reload_facedata;
		3355	reload_archetypes;
2813	reload_regions;	3356	reload_regions;
2814	reload_facedata;
2815	#reload_archetypes;#d#
2816	reload_archetypes;
2817	reload_treasures;	3357	reload_treasures;
2818		3358
2819	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2820	}	3360	}
2821		3361
2822	sub init {	3362	sub reload_config {
2823	reload_resources;
2824	}
2825
2826	sub cfg_load {
2827	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2828	or return;	3364	or return;
2829		3365
2830	local $/;	3366	local $/;
2831	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2832		3368
2833	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2834		3370
2835	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2836	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2842	};	3378	};
2843	warn $@ if $@;	3379	warn $@ if $@;
2844	}	3380	}
2845	}	3381	}
2846		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2847	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2848	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2849	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2850	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2851	(async {	3421	(async {
2852	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2853	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2854	};	3425	};
2855		3426
2856	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2857	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2858	load_extensions;	3445	load_extensions;
2859		3446
2860	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2861	Event::loop;	3455	EV::loop;
2862	}	3456	}
2863		3457
2864	#############################################################################	3458	#############################################################################
2865	# initialisation and cleanup	3459	# initialisation and cleanup
2866		3460
2867	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2868	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2869	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2870	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2871	reentrant => 0,
2872	data => WF_AUTOCANCEL,
2873	signal => $signal,
2874	prio => 0,
2875	cb => sub {
2876	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2877	},
2878	);	3467	};
2879	}	3468	}
2880	}	3469	}
2881		3470
2882	sub write_runtime {	3471	sub write_runtime_sync {
2883	my $runtime = "$LOCALDIR/runtime";
2884
2885	# first touch the runtime file to show we are still running:	3472	# first touch the runtime file to show we are still running:
2886	# the fsync below can take a very very long time.	3473	# the fsync below can take a very very long time.
2887		3474
2888	IO::AIO::aio_utime $runtime, undef, undef;	3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2889		3476
2890	my $guard = cf::lock_acquire "write_runtime";	3477	my $guard = cf::lock_acquire "write_runtime";
2891		3478
2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2893	or return;	3480	or return;
2894		3481
2895	my $value = $cf::RUNTIME + 90 + 10;	3482	my $value = $cf::RUNTIME + 90 + 10;
2896	# 10 is the runtime save interval, for a monotonic clock	3483	# 10 is the runtime save interval, for a monotonic clock
2897	# 60 allows for the watchdog to kill the server.	3484	# 60 allows for the watchdog to kill the server.
…		…
2907	aio_utime $fh, undef, undef;	3494	aio_utime $fh, undef, undef;
2908		3495
2909	close $fh	3496	close $fh
2910	or return;	3497	or return;
2911		3498
2912	aio_rename "$runtime~", $runtime	3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2913	and return;	3500	and return;
2914		3501
2915	warn "runtime file written.\n";	3502	warn "runtime file written.\n";
2916		3503
2917	1	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	unless ($value) {
		3524	warn "cowardly refusing to write zero uuid value!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2918	}	3555	}
2919		3556
2920	sub emergency_save() {	3557	sub emergency_save() {
2921	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2922		3559
…		…
2928	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2929	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2930	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2931	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2932	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2933	$pl->save;	3571	$pl->save;
2934	}	3572	}
2935	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2936		3574
2937	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2943	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2944		3582
2945	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2946	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2947	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2948	};	3590	};
2949		3591
2950	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2951	}	3593	}
2952		3594
2953	sub post_cleanup {	3595	sub post_cleanup {
2954	my ($make_core) = @_;	3596	my ($make_core) = @_;
2955		3597
2956	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2957	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
2958	}	3629	}
2959		3630
2960	sub do_reload_perl() {	3631	sub do_reload_perl() {
2961	# can/must only be called in main	3632	# can/must only be called in main
2962	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2963	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2964	return;	3635	return;
2965	}	3636	}
2966		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2967	warn "reloading...";	3641	warn "reloading...";
2968		3642
2969	warn "entering sync_job";	3643	warn "entering sync_job";
2970		3644
2971	cf::sync_job {	3645	cf::sync_job {
2972	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2973	cf::emergency_save;	3647	cf::emergency_save;
2974	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2975		3649
2976	warn "syncing database to disk";	3650	warn "syncing database to disk";
2977	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2978		3652
2979	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2980		3654
2981	warn "cancelling all WF_AUTOCANCEL watchers";
2982	for (Event::all_watchers) {
2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2984	}
2985
2986	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2987	for (;;) {
2988	BDB::flush;
2989	IO::AIO::flush;
2990	Coro::cede;
2991	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2992	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2993	}
2994
2995	++$RELOAD;
2996
2997	warn "cancelling all extension coros";
2998	$_->cancel for values %EXT_CORO;
2999	%EXT_CORO = ();
3000
3001	warn "removing commands";
3002	%COMMAND = ();
3003
3004	warn "removing ext/exti commands";
3005	%EXTCMD = ();
3006	%EXTICMD = ();
3007
3008	warn "unloading/nuking all extensions";
3009	for my $pkg (@EXTS) {
3010	warn "... unloading $pkg";
3011
3012	if (my $cb = $pkg->can ("unload")) {
3013	eval {
3014	$cb->($pkg);
3015	1
3016	} or warn "$pkg unloaded, but with errors: $@";
3017	}	3658	}
3018		3659
3019	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
3020	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
3021	}	3662	%EXT_CORO = ();
3022		3663
3023	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
3024	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3026		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
3027	warn "... unloading $k";	3673	warn "... unloading $pkg";
3028	delete $INC{$k};
3029		3674
3030	$k =~ s/\.pm$//;
3031	$k =~ s/\//::/g;
3032
3033	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
3034	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
3035	}	3684	}
3036		3685
3037	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
3038	}	3701	}
3039		3702
3040	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
3041	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3043		3706
3044	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
3045	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
3046	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
3047		3710
3048	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
3049	# and global variables created in xs	3712	# and global variables created in xs
3050	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
3051		3714
3052	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
3053		3716
3054	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
3055	require cf;	3718	require cf;
3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3057		3720
3058	warn "loading config and database again";	3721	warn "loading config and database again";
3059	cf::cfg_load;	3722	cf::reload_config;
3060		3723
3061	warn "loading extensions";	3724	warn "loading extensions";
3062	cf::load_extensions;	3725	cf::load_extensions;
3063		3726
3064	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
3065	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
3066	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
3067	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
3068	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
3069	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
3070		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
3071	warn "leaving sync_job";	3737	warn "leaving sync_job";
3072		3738
3073	1	3739	1
3074	} or do {	3740	} or do {
3075	warn $@;	3741	warn $@;
3076	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
3077	exit 1;
3078	};	3743	};
3079		3744
3080	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
3081	};	3748	};
3082		3749
3083	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
3084		3751
3085	sub reload_perl() {	3752	sub reload_perl() {
3086	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
3087	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
3088		3755
3089	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3090	reentrant => 0,
3091	after => 0,
3092	data => WF_AUTOCANCEL,
3093	cb => sub {
3094	do_reload_perl;	3757	do_reload_perl;
3095	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
3096	},
3097	);	3759	};
3098	}	3760	}
3099		3761
3100	register_command "reload" => sub {	3762	register_command "reload" => sub {
3101	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
3102		3764
3103	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
3104	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
3105	async { reload_perl };	3769	reload_perl;
		3770	};
3106	}	3771	}
3107	};	3772	};
3108		3773
3109	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
3110		3775
…		…
3112		3777
3113	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
3114	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
3115		3780
3116	sub wait_for_tick {	3781	sub wait_for_tick {
3117	return unless $TICK_WATCHER->is_active;
3118	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
3119		3783
3120	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
3121	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
3122	$signal->wait;	3786	$signal->wait;
3123	}	3787	}
3124		3788
3125	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
3126	return unless $TICK_WATCHER->is_active;
3127	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
3128		3791
3129	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
3130	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
3131	$signal->wait;	3794	$signal->wait;
3132	}	3795	}
3133		3796
3134	my $min = 1e6;#d#	3797	sub tick {
3135	my $avg = 10;
3136	$TICK_WATCHER = Event->timer (
3137	reentrant => 0,
3138	parked => 1,
3139	prio => 0,
3140	at => $NEXT_TICK || $TICK,
3141	data => WF_AUTOCANCEL,
3142	cb => sub {
3143	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3145	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
3146	return;	3801	return;
3147	}	3802	}
3148		3803
3149	$NOW = $tick_start = Event::time;
3150
3151	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
3152		3805
3153	0 && sync_job {#d#	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3154	for(1..10) {	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3155	my $t = Event::time;	3808	Coro::async_pool {
3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3809	$Coro::current->{desc} = "runtime saver";
3157	or die;	3810	write_runtime_sync
3158		3811	or warn "ERROR: unable to write runtime file: $!";
3159	$map->width (50);
3160	$map->height (50);
3161	$map->alloc;
3162	$map->_load_objects ("/tmp/x.map", 1);
3163	my $t = Event::time - $t;
3164
3165	#next unless $t < 0.0013;#d#
3166	if ($t < $min) {
3167	$min = $t;
3168	}
3169	$avg = $avg * 0.99 + $t * 0.01;
3170	}
3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3172	exit 0;
3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3174	};	3812	};
		3813	}
3175		3814
3176	$RUNTIME += $TICK;
3177	$NEXT_TICK += $TICK;
3178
3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
3181	Coro::async_pool {
3182	write_runtime
3183	or warn "ERROR: unable to write runtime file: $!";
3184	};
3185	}
3186
3187	# my $AFTER = Event::time;
3188	# warn $AFTER - $NOW;#d#
3189
3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3191	$sig->send;	3816	$sig->send;
3192	}	3817	}
3193	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
3194	$sig->send;	3819	$sig->send;
3195	}	3820	}
3196		3821
3197	$NOW = Event::time;	3822	$LOAD = ($NOW - $TICK_START) / $TICK;
3198
3199	# if we are delayed by four ticks or more, skip them all
3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3201
3202	$TICK_WATCHER->at ($NEXT_TICK);
3203	$TICK_WATCHER->start;
3204
3205	$LOAD = ($NOW - $tick_start) / $TICK;
3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3207		3824
3208	_post_tick;	3825	if (0) {
3209		3826	if ($NEXT_TICK) {
3210		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
3211	},	3831	}
3212	);	3832	}
3213		3833
3214	{	3834	{
3215	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
3216	$BDB_POLL_WATCHER = Event->io (	3836
3217	reentrant => 0,
3218	fd => BDB::poll_fileno,
3219	poll => 'r',
3220	prio => 0,
3221	data => WF_AUTOCANCEL,
3222	cb => \&BDB::poll_cb,
3223	);
3224	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
3225		3838	BDB::max_poll_reqs $TICK * 0.1;
3226	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
3227	my $status;
3228	my $current = $Coro::current;
3229	(
3230	sub {
3231	$status = $!;
3232	$current->ready; undef $current;
3233	},
3234	sub {
3235	Coro::schedule while defined $current;
3236	$! = $status;
3237	},
3238	)
3239	};
3240		3840
3241	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
3242	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3243		3848
3244	cf::sync_job {	3849	cf::sync_job {
3245	eval {	3850	eval {
3246	BDB::db_env_open	3851	BDB::db_env_open
3247	$DB_ENV,	3852	$DB_ENV,
…		…
3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3251	0666;	3856	0666;
3252		3857
3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3254
3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3256	$DB_ENV->set_lk_detect;
3257	};	3859	};
3258		3860
3259	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
3260	};	3862	};
3261	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
3262	}	3874	}
3263		3875
3264	{	3876	{
		3877	# configure IO::AIO
		3878
3265	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
3266
3267	undef $Coro::AIO::WATCHER;
3268	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
3269	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
3270	reentrant => 0,
3271	data => WF_AUTOCANCEL,
3272	fd => IO::AIO::poll_fileno,
3273	poll => 'r',
3274	prio => 6,
3275	cb => \&IO::AIO::poll_cb,
3276	);
3277	}	3882	}
3278		3883
3279	my $_log_backtrace;	3884	my $_log_backtrace;
3280		3885
3281	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
3284	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
3285		3890
3286	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
3287	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
3288	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
3289	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
3290	my @bt = fork_call {	3898	my @bt = fork_call {
3291	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3294	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
3302	}	3910	}
3303		3911
3304	@funcs	3912	@funcs
3305	};	3913	};
3306		3914
3307	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3308	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3309	--$_log_backtrace;	3918	--$_log_backtrace;
3310	};	3919	};
3311	} else {	3920	} else {
3312	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

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