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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.307 by root, Sun Jul 15 22:39:48 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
85		118
86	our %CFG;	119	our %CFG;
87		120
88	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
90		124
91	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
94		128
95	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		131
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		140
102	binmode STDOUT;	141	binmode STDOUT;
103	binmode STDERR;	142	binmode STDERR;
104		143
105	# read virtual server time, if available	144	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
110	}	149	}
111		150
112	mkdir $_	151	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		197
159	The raw value load value from the last tick.	198	The raw value load value from the last tick.
160		199
161	=item %cf::CFG	200	=item %cf::CFG
162		201
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	203	from wherever your confdir points to.
165		204
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		206
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	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	208	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.	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
		216
172	=back	217	=back
173		218
174	=cut	219	=cut
175		220
176	BEGIN {	221	BEGIN {
…		…
180	$msg .= "\n"	225	$msg .= "\n"
181	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
182		227
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		229
185	utf8::encode $msg;
186	LOG llevError, $msg;	230	LOG llevError, $msg;
187	};	231	};
188	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
189		248
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	259	for my $pkg (qw(
201	cf::global cf::attachable	260	cf::global cf::attachable
202	cf::object cf::object::player	261	cf::object cf::object::player
203	cf::client cf::player	262	cf::client cf::player
204	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
205	cf::map cf::party cf::region	265	cf::party cf::region
206	)) {	266	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	268	}
210		269
211	$Event::DIED = sub {	270	$EV::DIED = sub {
212	warn "error in event callback: @_";	271	warn "error in event callback: @_";
213	};	272	};
214		273
215	#############################################################################	274	#############################################################################
216		275
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	299	$d
241	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
242	}	301	}
243		302
244	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
245		304
246	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
247		306
248	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
249		308
250	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
251		310
252	=cut	311	=cut
253		312
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		314
256	sub to_json ($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
258		331
259	=item cf::lock_wait $string	332	=item cf::lock_wait $string
260		333
261	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
262		335
263	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
264		337
265	Wait until the given lock is available and then acquires it and returns	338	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,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
268	returned.	341	returned.
269		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
270	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
272		348
273	=item $locked = cf::lock_active $string	349	=item $locked = cf::lock_active $string
274		350
275	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
276		352
277	=cut	353	=cut
278		354
279	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
280		356
281	sub lock_wait($) {	357	sub lock_wait($) {
282	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	359	}
290		360
291	sub lock_acquire($) {	361	sub lock_acquire($) {
292	my ($key) = @_;	362	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	363	}
304		364
305	sub lock_active($) {	365	sub lock_active($) {
306	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	367	}
310		368
311	sub freeze_mainloop {	369	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
313		371
314	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	373	}
		374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
316	};	433	}
317	$TICK_WATCHER->stop;	434	};
318	$guard	435
		436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
319	}	448	}
320		449
321	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
322		451
323	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		457
329	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
330		459
331	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
332		461
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	462	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	463	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	465	acceptable.
337		466
338	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		473
345	sub sync_job(&) {	474	sub sync_job(&) {
346	my ($job) = @_;	475	my ($job) = @_;
347		476
348	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	478	my $time = EV::time;
350		479
351	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
353		482
354	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	484
356	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
357		486
358	my $busy = 1;	487	my $busy = 1;
359	my @res;	488	my @res;
360		489
361	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	492	@res = eval { $job->() };
363	warn $@ if $@;	493	warn $@ if $@;
364	undef $busy;	494	undef $busy;
365	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
366		496
367	while ($busy) {	497	while ($busy) {
368	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
369	}	502	}
		503	}
370		504
371	$time = Event::time - $time;	505	my $time = EV::time - $time;
372		506
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	507	$TICK_START += $time; # do not account sync jobs to server load
377		508
378	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
379	} else {	510	} else {
380	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
381		512
…		…
406	=item fork_call { }, $args	537	=item fork_call { }, $args
407		538
408	Executes the given code block with the given arguments in a seperate	539	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	540	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	541	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	542	never block itself or use any form of event handling.
412		543
413	=cut	544	=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	$buf
422	}
423		545
424	sub fork_call(&@) {	546	sub fork_call(&@) {
425	my ($cb, @args) = @_;	547	my ($cb, @args) = @_;
426		548
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	549	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	550	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	551	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		552
432	if (my $pid = fork) {	553	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;	554	reset_signals;
446	local $SIG{__WARN__};	555	&$cb
447	local $SIG{__DIE__};	556	}, @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		557
454	eval {	558	wantarray ? @res : $res[-1]
455	close $fh1;	559	}
456		560
457	my @res = eval { $cb->(@args) };	561	=item $coin = coin_from_name $name
458		562
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	563	=cut
460	close $fh2;
461	};
462		564
463	warn $@ if $@;	565	our %coin_alias = (
464	_exit 0;	566	"silver" => "silvercoin",
465	}	567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
466	}	586	}
467		587
468	=item $value = cf::db_get $family => $key	588	=item $value = cf::db_get $family => $key
469		589
470	Returns a single value from the environment database.	590	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	592	=item cf::db_put $family => $key => $value
473		593
474	Stores the given C<$value> in the family. It can currently store binary	594	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).	595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
477	=cut	602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
478		620
479	our $DB;	621	our $DB;
480		622
481	sub db_init {	623	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	624	cf::sync_job {
486	eval {	625	$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	}	626	};
496	}	627	}
497		628
498	sub db_get($$) {	629	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	630	my $key = "$_[0]/$_[1]";
500		631
…		…
550	if (1) {	681	if (1) {
551	$md5 =	682	$md5 =
552	join "\x00",	683	join "\x00",
553	$processversion,	684	$processversion,
554	map {	685	map {
555	Coro::cede;	686	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	687	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	688	} 0.. $#$src;
558		689
559		690
560	my $dbmd5 = db_get cache => "$id/md5";	691	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		729
599	#############################################################################	730	#############################################################################
600		731
601	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
602		733
603	Many objects in crossfire are so-called attachable objects. That means you can	734	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")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
606		737
607	In the following description, CLASS can be any of C<global>, C<object>	738	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	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	740	Deliantra).
610		741
611	=over 4	742	=over 4
612		743
613	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
614		745
…		…
658	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
659		790
660	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
662		793
663	Some classes such as crossfire maps and objects can specify attachments	794	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.	795	that are attached at load/instantiate time, thus the need for a name.
665		796
666	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
667		798
668	=over 4	799	=over 4
…		…
866	";	997	";
867	die if $@;	998	die if $@;
868	}	999	}
869		1000
870	our $override;	1001	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1003
873	sub override {	1004	sub override {
874	$override = 1;	1005	$override = 1;
875	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
876	}	1007	}
877		1008
878	sub do_invoke {	1009	sub do_invoke {
879	my $event = shift;	1010	my $event = shift;
880	my $callbacks = shift;	1011	my $callbacks = shift;
881		1012
882	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
883		1014
884	local $override;	1015	local $override;
885		1016
886	for (@$callbacks) {	1017	for (@$callbacks) {
887	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
896	}	1027	}
897		1028
898	0	1029	0
899	}	1030	}
900		1031
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1033
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1035
905	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
906		1037
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	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	1039	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1041
911	=back	1042	=back
912		1043
913	=cut	1044	=cut
914		1045
915	#############################################################################	1046	#############################################################################
916	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
917		1090
918	sub reattach {	1091	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1093	my ($obj) = @_;
921		1094
		1095	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1097
924	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
925		1099
926	@$registry = ();	1100	@$registry = ();
927		1101
…		…
942	cf::attachable->attach (	1116	cf::attachable->attach (
943	prio => -1000000,	1117	prio => -1000000,
944	on_instantiate => sub {	1118	on_instantiate => sub {
945	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
946		1120
947	$data = from_json $data;	1121	$data = decode_json $data;
948		1122
949	for (@$data) {	1123	for (@$data) {
950	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
951		1125
952	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1142	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
970		1144
971	sync_job {	1145	sync_job {
972	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
975		1150
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1155	aio_close $fh;
981		1156
982	if (@$objs) {	1157	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1163	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
990	}	1165	}
991	} else {	1166	} else {
992	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
993	}	1168	}
994		1169
995	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1174	} else {
997	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
998	}	1176	}
999	} else {	1177	} else {
1000	aio_unlink $filename;	1178	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1002	}	1180	}
1003	}	1181	};
1004	}	1182	}
1005		1183
1006	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
1008		1186
…		…
1020	or return;	1198	or return;
1021		1199
1022	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1202	or return;
		1203
1025	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
1026	}	1206	}
1027		1207
		1208	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1210	$decname, length $data, scalar @{$av || []};
		1211
1030	return ($data, $av);	1212	($data, $av)
1031	}	1213	}
1032		1214
1033	=head2 COMMAND CALLBACKS	1215	=head2 COMMAND CALLBACKS
1034		1216
1035	=over 4	1217	=over 4
…		…
1089	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1090		1272
1091	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1092	}	1274	}
1093		1275
		1276	use File::Glob ();
		1277
1094	cf::player->attach (	1278	cf::player->attach (
1095	on_command => sub {	1279	on_command => sub {
1096	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1097		1281
1098	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1108	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
1109		1293
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1295
1112	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1118	} else {	1311	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1313	}
1121		1314
1122	cf::override;	1315	cf::override;
1123	},	1316	},
1124	);	1317	);
		1318
		1319	# "readahead" all extensions
		1320	sub cache_extensions {
		1321	my $grp = IO::AIO::aio_group;
		1322
		1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1324	for (grep /\.ext$/, @{$_[0]}) {
		1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1326	}
		1327	};
		1328
		1329	$grp
		1330	}
1125		1331
1126	sub load_extensions {	1332	sub load_extensions {
1127	cf::sync_job {	1333	cf::sync_job {
1128	my %todo;	1334	my %todo;
1129		1335
…		…
1149		1355
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1358
1153	$ext{source} =	1359	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1156	. $source	1362	. $source
1157	. "\n};\n1";	1363	. "\n};\n1";
1158		1364
1159	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1177		1383
1178	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1385	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1387	}
1183		1388
1184	warn $msg;	1389	warn $msg;
1185	}	1390	}
1186		1391
…		…
1200		1405
1201	=back	1406	=back
1202		1407
1203	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1204		1409
1205	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1206		1411
1207	=cut	1412	=cut
1208		1413
1209	package cf::player;	1414	package cf::player;
1210		1415
1211	use Coro::AIO;	1416	use Coro::AIO;
1212		1417
1213	=head3 cf::player	1418	=head3 cf::player
1214		1419
1215	=over 4	1420	=over 4
		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
1216		1435
1217	=item cf::player::find $login	1436	=item cf::player::find $login
1218		1437
1219	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
1220		1439
…		…
1239		1458
1240	sub exists($) {	1459	sub exists($) {
1241	my ($login) = @_;	1460	my ($login) = @_;
1242		1461
1243	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1245	}	1464	}
1246		1465
1247	sub find($) {	1466	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1468	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1479
1261	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1264	}	1489	}
1265	}	1490	}
1266	}	1491	}
1267		1492
…		…
1276	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1277		1502
1278	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1280		1505
		1506	cf::get_slot 0.01;
		1507
1281	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1282	Coro::cede;	1509	cf::cede_to_tick;
1283	}	1510	}
1284		1511
1285	sub new($) {	1512	sub new($) {
1286	my ($login) = @_;	1513	my ($login) = @_;
1287		1514
…		…
1293	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1294		1521
1295	$self	1522	$self
1296	}	1523	}
1297		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1298	=item $pl->quit_character	1535	=item $pl->quit_character
1299		1536
1300	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1302		1539
…		…
1306	my ($pl) = @_;	1543	my ($pl) = @_;
1307		1544
1308	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1309		1546
1310	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1549
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1317		1556
1318	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1594	or return [];
1356		1595
1357	my @logins;	1596	my @logins;
1358		1597
1359	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1363		1608
1364	utf8::decode $login;	1609	utf8::decode $login;
1365	push @logins, $login;	1610	push @logins, $login;
1366	}	1611	}
1367		1612
…		…
1394	}	1639	}
1395		1640
1396	\@paths	1641	\@paths
1397	}	1642	}
1398		1643
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1645
1401	Expand crossfire pod fragments into protocol xml.	1646	Expand deliantra pod fragments into protocol xml.
1402		1647
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)	1648	=item $player->ext_reply ($msgid, @msg)
1450		1649
1451	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1452		1651
1453	=cut	1652	=cut
1454		1653
1455	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1457		1656
1458	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1658	}
1461		1659
1462	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1463		1661
1464	Sends an ext event to the client.	1662	Sends an ext event to the client.
1465		1663
1466	=cut	1664	=cut
1467		1665
1468	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1470		1668
1471	$self->ns->ext_event ($type, %msg);	1669	$self->ns->ext_msg ($type, @msg);
1472	}	1670	}
1473		1671
1474	=head3 cf::region	1672	=head3 cf::region
1475		1673
1476	=over 4	1674	=over 4
…		…
1520	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1522		1720
1523	sub generate_random_map {	1721	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1525	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1727	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1619	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1620	return $self;	1821	return $self;
1621	}	1822	}
1622	}	1823	}
1623		1824
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1826	()
1626	}	1827	}
1627		1828
1628	sub init {	1829	sub init {
1629	my ($self) = @_;	1830	my ($self) = @_;
…		…
1651		1852
1652	# the temporary/swap location	1853	# the temporary/swap location
1653	sub save_path {	1854	sub save_path {
1654	my ($self) = @_;	1855	my ($self) = @_;
1655		1856
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1658	}	1859	}
1659		1860
1660	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1661	sub uniq_path {	1862	sub uniq_path {
1662	my ($self) = @_;	1863	my ($self) = @_;
1663		1864
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1867	}
1676		1868
1677	sub decay_objects {	1869	sub decay_objects {
1678	my ($self) = @_;	1870	my ($self) = @_;
1679		1871
…		…
1692		1884
1693	sub load_header_from($) {	1885	sub load_header_from($) {
1694	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1695		1887
1696	utf8::encode $path;	1888	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1702		1897
1703	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1704		1899
1705	1	1900	1
1706	}	1901	}
…		…
1760	sub find {	1955	sub find {
1761	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1762		1957
1763	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1764		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1766		1962
1767	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1770	or return;	1965	or return;
1771		1966
1772	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1773		1968
…		…
1775	or return;	1970	or return;
1776		1971
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1780	$map->reset;	1977	$map->reset;
1781	undef $guard;
1782	return find $path;	1978	return find $path;
1783	}	1979	}
1784		1980
1785	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1786	}	1982	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1796		1992
1797	my $path = $self->{path};	1993	my $path = $self->{path};
1798		1994
1799	{	1995	{
1800	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1801		1997
		1998	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2000
1804	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1805		2002
1806	$self->alloc;	2003	$self->alloc;
1807		2004
1808	$self->pre_load;	2005	$self->pre_load;
1809	Coro::cede;	2006	cf::cede_to_tick;
1810		2007
		2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2010	$self->_load_objects ($f)
1812	or return;	2011	or return;
1813		2012
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1815	if delete $self->{load_original};	2014	if delete $self->{load_original};
1816		2015
1817	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2017	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2020	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1822	}	2024	}
1823	}	2025	}
1824		2026
1825	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1826	# now do the right thing for maps	2030	# now do the right thing for maps
1827	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2033	unless $self->difficulty;
1830	Coro::cede;	2034	cf::cede_to_tick;
1831		2035
1832	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2037	$self->decay_objects;
1834	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1835	$self->update_buttons;	2039	$self->update_buttons;
1836	Coro::cede;	2040	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2041	$self->activate;
1840	}	2042	}
1841		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2048	}
1844		2049
1845	$self->post_load;	2050	$self->post_load;
1846	}	2051	}
1847		2052
…		…
1856		2061
1857	$self	2062	$self
1858	}	2063	}
1859		2064
1860	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2066	sub load_neighbours {
1862	my ($map) = @_;	2067	my ($map) = @_;
1863		2068
1864	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1865		2070
1866	for (0 .. 3) {	2071	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1868	or next;	2073	or next;
1869	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1870	or next;	2075	or next;
1871	$neigh->load;	2076	$neigh->load;
1872		2077
		2078	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2081	}
1876		2082
1877	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1879	or next;	2086	or next;
1880	$neigh->load;	2087	$neigh->load;
1881	}	2088	}
1882	}	2089	}
1883		2090
…		…
1888	}	2095	}
1889		2096
1890	sub do_load_sync {	2097	sub do_load_sync {
1891	my ($map) = @_;	2098	my ($map) = @_;
1892		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1893	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1894	}	2104	}
1895		2105
1896	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1898		2108
1899	sub find_async {	2109	sub find_async {
1900	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1901		2111
1902	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1903		2113
1904	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2116	}
1907		2117
1908	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1909	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1910	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2125	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2126	$map->load if $v;
		2127	}
1915		2128
1916	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1917	}	2130	}
1918	}	2131	}
1919	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1920	};	2133	};
1921	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2137	}
1925		2138
1926	sub save {	2139	sub save {
1927	my ($self) = @_;	2140	my ($self) = @_;
1928		2141
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2143
1931	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1932		2145
1933	return unless $self->dirty;	2146	return unless $self->dirty;
1934		2147
…		…
1940	return if $self->{deny_save};	2153	return if $self->{deny_save};
1941		2154
1942	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1943		2156
1944	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1946	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1947		2163
1948	if ($uniq) {	2164	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2167	} else {
…		…
1957	my ($self) = @_;	2173	my ($self) = @_;
1958		2174
1959	# save first because save cedes	2175	# save first because save cedes
1960	$self->save;	2176	$self->save;
1961		2177
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2179
1964	return if $self->players;	2180	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2182	return if $self->{deny_save};
1967		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2188	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2189	}
1971		2190
1972	sub reset_at {	2191	sub reset_at {
1973	my ($self) = @_;	2192	my ($self) = @_;
1974		2193
…		…
2006	if $uniq;	2225	if $uniq;
2007	}	2226	}
2008		2227
2009	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
2010		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2232	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2233
2015	$self->unlink_save;	2234	$self->unlink_save;
2016	$self->destroy;	2235	$self->destroy;
2017	}	2236	}
2018		2237
2019	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
2020		2239
2021	sub nuke {	2240	sub nuke {
2022	my ($self) = @_;	2241	my ($self) = @_;
2023		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
2024	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
2025		2247
2026	$self->unlink_save;	2248	$self->unlink_save;
2027		2249
2028	bless $self, "cf::map";	2250	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2255
2034	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
2035		2258
2036	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
2037	}	2260	}
2038		2261
2039	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
2081		2304
2082	sub unique_maps() {	2305	sub unique_maps() {
2083	[	2306	[
2084	map {	2307	map {
2085	utf8::decode $_;	2308	utf8::decode $_;
2086	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2087	? normalise $_	2312	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2314	]
2091	}	2315	}
2092		2316
2093	package cf;
2094
2095	=back	2317	=back
2096		2318
2097	=head3 cf::object	2319	=head3 cf::object
2098		2320
2099	=cut	2321	=cut
…		…
2102		2324
2103	=over 4	2325	=over 4
2104		2326
2105	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2106		2328
2107	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2108		2331
2109	=cut	2332	=cut
2110		2333
2111	sub inv_recursive_;	2334	sub inv_recursive_;
2112	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2115		2338
2116	sub inv_recursive {	2339	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2118	}	2341	}
2119		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
2120	package cf;	2371	package cf;
2121		2372
2122	=back	2373	=back
2123		2374
2124	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	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	2382	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2133		2384
2134	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
2135		2400
2136	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2402	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2146		2411
2147	} else {	2412	} else {
2148	my $pl = $self->contr;	2413	my $pl = $self->contr;
2149		2414
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2417	$dialog->{pl}->ext_msg ($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		2418
2159	} else {	2419	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2422	}
2163	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
2164	}	2434	}
2165		2435
2166	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
2167		2437
2168	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
2181		2451
2182	=item $player_object->enter_link	2452	=item $player_object->enter_link
2183		2453
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2455
2186	The player should be reasonably safe there for short amounts of time. You	2456	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.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2188		2460
2189	Will never block.	2461	Will never block.
2190		2462
2191	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2192		2464
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2250		2522
2251	$map->load;	2523	$map->load;
2252	$map->load_diag;	2524	$map->load_neighbours;
2253		2525
2254	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2255	$self->activate_recursive;	2528	$self->activate_recursive;
2256		2529
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2259	}	2532	}
…		…
2264	her, loading and preparing them map, calling the provided $check callback	2537	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	2538	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2540	be called at the end of this process.
2268		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
		2544
2269	=cut	2545	=cut
2270		2546
2271	our $GOTOGEN;	2547	our $GOTOGEN;
2272		2548
2273	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2554
2279	$self->enter_link;	2555	$self->enter_link;
2280		2556
2281	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2282	my $map = eval {	2579	my $map = eval {
2283	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2284		2581
2285	if ($map) {	2582	if ($map) {
2286	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2288	} else {	2585	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2587	}
2291		2588
2292	$map	2589	$map
2293	};	2590	};
2294		2591
…		…
2330	}	2627	}
2331		2628
2332	sub prepare_random_map {	2629	sub prepare_random_map {
2333	my ($exit) = @_;	2630	my ($exit) = @_;
2334		2631
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2634	# that depends on the exit object
2340		2635
2341	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2638	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2348	}	2645	}
2349		2646
2350	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2351		2648
2352	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2355		2652
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2655	undef $fh;
2359	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2360		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2363	}	2664	}
2364	}	2665	}
2365		2666
2366	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2368		2669
2369	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2370		2671
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2672	$self->enter_link;
2383		2673
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2674	(async {
2389	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2390	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2391	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2392		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2393	1;	2698	1
2394	}) {	2699	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2704
2400	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2419		2724
2420	utf8::encode $text;	2725	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2727	}
2423		2728
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2730
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2731	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2732	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2430		2735
2431	=cut	2736	=cut
2432		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
2433	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2435		2830
2436	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
2437		2852
2438	return unless @extra || length $msg;	2853	return unless @extra || length $msg;
2439		2854
2440	if ($self->can_msg) {	2855	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	2857	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		2858
2453	if ($color >= 0) {	2859	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	2860	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	2862	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
2464	=item $client->ext_event ($type, %msg)	2877	=item $client->ext_msg ($type, @msg)
2465		2878
2466	Sends an ext event to the client.	2879	Sends an ext event to the client.
2467		2880
2468	=cut	2881	=cut
2469		2882
2470	sub cf::client::ext_event($$%) {	2883	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	2884	my ($self, $type, @msg) = @_;
2472		2885
2473	return unless $self->extcmd;	2886	if ($self->extcmd == 2) {
2474		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	2889	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
2477	}	2910	}
2478		2911
2479	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2480		2913
2481	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	2969	my ($ns, $buf) = @_;
2537		2970
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		2972
2540	if (ref $msg) {	2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2981	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	2982	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
2547	} else {	2988	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	2990	}
2550		2991
2551	cf::override;	2992	cf::override;
…		…
2598	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2600		3041
2601	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2602		3043
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2604		3049
2605	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2606		3051
2607	=pod	3052	=pod
2608		3053
2609	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2610		3055
2611	cf::object	3056	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3057	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3058	insert remove name archname title slaying race decrease split
		3059	value
2614		3060
2615	cf::object::player	3061	cf::object::player
2616	player	3062	player
2617		3063
2618	cf::player	3064	cf::player
…		…
2623		3069
2624	=cut	3070	=cut
2625		3071
2626	for (	3072	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2632	) {	3079	) {
2633	no strict 'refs';	3080	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2652	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2653		3100
2654	my $qcode = $code;	3101	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2657		3106
2658	local $_;	3107	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2660		3109
2661	my $eval =	3110	my $eval =
…		…
2709	# the server's init and main functions	3158	# the server's init and main functions
2710		3159
2711	sub load_facedata($) {	3160	sub load_facedata($) {
2712	my ($path) = @_;	3161	my ($path) = @_;
2713		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
2714	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2715		3170
2716	my $facedata;	3171	my $facedata;
2717	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
2718	or die "$path: $!";	3173	or die "$path: $!";
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2721		3176
2722	$facedata->{version} == 2	3177	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2725	{	3187	{
2726	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2727		3189
2728	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2730	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2734		3197
2735	cf::cede_to_tick;	3198	cf::cede_to_tick;
2736	}	3199	}
2737		3200
2738	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2740	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2741	or next;	3205	or next;
		3206
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3210	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2763		3228
2764	{	3229	{
2765	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3233
2770	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3235	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
2778		3238
2779	if ($name =~ /\.jpg$/) {	3239	if ($info->{type} & 1) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3240	# prepend meta info
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
2782	} else {	3254	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3255	$RESOURCE{$name} = $info;
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3256	}
2789		3257
2790	cf::cede_to_tick;	3258	cf::cede_to_tick;
2791	}	3259	}
2792	}	3260	}
2793		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2794	1	3264	1
2795	}	3265	}
2796		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2797	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2798	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
2800		3312
2801	for (cf::region::list) {	3313	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3314	$_->{match} = qr/$_->{match}/
…		…
2810	}	3322	}
2811		3323
2812	sub reload_archetypes {	3324	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3327	}
2821		3328
2822	sub reload_treasures {	3329	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2825	}	3332	}
2826		3333
2827	sub reload_resources {	3334	sub reload_resources {
2828	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2829		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2830	reload_regions;	3339	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3340	reload_treasures;
2835		3341
2836	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2837	}	3343	}
2838		3344
2839	sub init {	3345	sub reload_config {
2840	reload_resources;
2841	}
2842
2843	sub cfg_load {
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2845	or return;	3347	or return;
2846		3348
2847	local $/;	3349	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2849		3351
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2851		3353
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2859	};	3361	};
2860	warn $@ if $@;	3362	warn $@ if $@;
2861	}	3363	}
2862	}	3364	}
2863		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2864	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2865	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3403	(async {
2869	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2871	};	3407	};
2872		3408
2873	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2874	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2875	load_extensions;	3427	load_extensions;
2876		3428
2877	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2878	Event::loop;	3437	EV::loop;
2879	}	3438	}
2880		3439
2881	#############################################################################	3440	#############################################################################
2882	# initialisation and cleanup	3441	# initialisation and cleanup
2883		3442
2884	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2885	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2894	},
2895	);	3449	};
2896	}	3450	}
2897	}	3451	}
2898		3452
2899	sub write_runtime {	3453	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";
2901
2902	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
2904		3456
2905	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3458
2907	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
2908		3460
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2910	or return;	3462	or return;
2911		3463
2912	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
2925		3477
2926	close $fh	3478	close $fh
2927	or return;	3479	or return;
2928		3480
2929	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3482	and return;
2931		3483
2932	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
2933		3485
2934	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2935	}	3537	}
2936		3538
2937	sub emergency_save() {	3539	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2939		3541
2940	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2941		3543
2942	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2943	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3558	$pl->save;
2951	}	3559	}
2952	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2953		3561
2954	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3565	$map->valid or next;
2958	$map->save;	3566	$map->save;
2959	}	3567	}
2960	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2961		3569
2962	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2965	};	3577	};
2966		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2967	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2968	}	3585	}
2969		3586
2970	sub post_cleanup {	3587	sub post_cleanup {
2971	my ($make_core) = @_;	3588	my ($make_core) = @_;
2972		3589
2973	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
2975	}	3621	}
2976		3622
2977	sub do_reload_perl() {	3623	sub do_reload_perl() {
2978	# can/must only be called in main	3624	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2980	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2981	return;	3627	return;
2982	}	3628	}
2983		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2984	warn "reloading...";	3635	warn "reloading...";
2985		3636
2986	warn "entering sync_job";	3637	warn "entering sync_job";
2987		3638
2988	cf::sync_job {	3639	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2990	cf::emergency_save;	3641	cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2992		3643
2993	warn "syncing database to disk";	3644	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2995		3646
2996	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2997		3648
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3009	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();
3017
3018	warn "removing commands";
3019	%COMMAND = ();
3020
3021	warn "removing ext/exti commands";
3022	%EXTCMD = ();
3023	%EXTICMD = ();
3024
3025	warn "unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";
3028
3029	if (my $cb = $pkg->can ("unload")) {
3030	eval {
3031	$cb->($pkg);
3032	1
3033	} or warn "$pkg unloaded, but with errors: $@";
3034	}	3652	}
3035		3653
3036	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3037	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3038	}	3656	%EXT_CORO = ();
3039		3657
3040	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3041	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3044	warn "... unloading $k";	3667	warn "... unloading $pkg";
3045	delete $INC{$k};
3046		3668
3047	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;
3049
3050	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3051	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3052	}	3678	}
3053		3679
3054	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3055	}	3695	}
3056		3696
3057	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		3700
3061	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		3704
3065	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3706	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3068		3708
3069	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3070		3710
3071	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3072	require cf;	3712	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3074		3714
3075	warn "loading config and database again";	3715	warn "loading config and database again";
3076	cf::cfg_load;	3716	cf::reload_config;
3077		3717
3078	warn "loading extensions";	3718	warn "loading extensions";
3079	cf::load_extensions;	3719	cf::load_extensions;
3080		3720
		3721	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3084	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3087		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3088	warn "leaving sync_job";	3733	warn "leaving sync_job";
3089		3734
3090	1	3735	1
3091	} or do {	3736	} or do {
3092	warn $@;	3737	warn $@;
3093	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3094	exit 1;
3095	};	3739	};
3096		3740
3097	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3098	};	3747	};
3099		3748
3100	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3101		3750
3102	sub reload_perl() {	3751	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3105		3754
3106	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	3757
3109	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	3759	do_reload_perl;
3112	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3113	},	3761	};
3114	);	3762	};
3115	}	3763	}
3116		3764
3117	register_command "reload" => sub {	3765	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3119		3767
3120	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	3772	reload_perl;
		3773	};
3123	}	3774	}
3124	};	3775	};
3125		3776
3126	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3127		3778
…		…
3129		3780
3130	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3132		3783
3133	sub wait_for_tick {	3784	sub wait_for_tick {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3136		3786
3137	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	3789	$signal->wait;
3140	}	3790	}
3141		3791
3142	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3145		3794
3146	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	3797	$signal->wait;
3149	}	3798	}
3150		3799
3151	my $min = 1e6;#d#	3800	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3163	return;	3804	return;
3164	}	3805	}
3165		3806
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3169		3808
3170	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3171	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3172	my $t = Event::time;	3811	Coro::async_pool {
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3174	or die;	3813	write_runtime_sync
3175		3814	or warn "ERROR: unable to write runtime file: $!";
3176	$map->width (50);
3177	$map->height (50);
3178	$map->alloc;
3179	$map->_load_objects ("/tmp/x.map", 1);
3180	my $t = Event::time - $t;
3181
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	3815	};
		3816	}
3192		3817
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	3819	$sig->send;
3209	}	3820	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	3822	$sig->send;
3212	}	3823	}
3213		3824
3214	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		3827
3225	_post_tick;	3828	if (0) {
3226		3829	if ($NEXT_TICK) {
3227		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3228	},	3834	}
3229	);	3835	}
3230		3836
3231	{	3837	{
3232	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	3839
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3242		3841	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		3843
3258	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		3851
3261	cf::sync_job {	3852	cf::sync_job {
3262	eval {	3853	eval {
3263	BDB::db_env_open	3854	BDB::db_env_open
3264	$DB_ENV,	3855	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	3859	0666;
3269		3860
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	3862	};
3275		3863
3276	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	3865	};
3278	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3279	}	3877	}
3280		3878
3281	{	3879	{
		3880	# configure IO::AIO
		3881
3282	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	3885	}
3295		3886
3296	my $_log_backtrace;	3887	my $_log_backtrace;
3297		3888
3298	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3301	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3302		3893
3303	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3305	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3306	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3307	my @bt = fork_call {	3901	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3319	}	3913	}
3320		3914
3321	@funcs	3915	@funcs
3322	};	3916	};
3323		3917
3324	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	3921	--$_log_backtrace;
3327	};	3922	};
3328	} else {	3923	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3331	}	3926	}
3332	}	3927	}
3333		3928
3334	# load additional modules	3929	# load additional modules
3335	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3336		3931
3337	END { cf::emergency_save }	3932	END { cf::emergency_save }
3338		3933
3339	1	3934	1
3340		3935

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