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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.464 by root, Thu Jan 1 18:35:48 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
85		116
86	our %CFG;	117	our %CFG;
87		118
88	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
90		122
91	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
94		126
95	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		129
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		138
102	binmode STDOUT;	139	binmode STDOUT;
103	binmode STDERR;	140	binmode STDERR;
104		141
105	# read virtual server time, if available	142	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
110	}	147	}
111		148
112	mkdir $_	149	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		195
159	The raw value load value from the last tick.	196	The raw value load value from the last tick.
160		197
161	=item %cf::CFG	198	=item %cf::CFG
162		199
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	201	from wherever your confdir points to.
165		202
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		204
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	223	$msg .= "\n"
187	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
188		225
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		227
191	utf8::encode $msg;
192	LOG llevError, $msg;	228	LOG llevError, $msg;
193	};	229	};
194	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
195		246
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	257	for my $pkg (qw(
207	cf::global cf::attachable	258	cf::global cf::attachable
208	cf::object cf::object::player	259	cf::object cf::object::player
209	cf::client cf::player	260	cf::client cf::player
210	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
211	cf::map cf::party cf::region	263	cf::party cf::region
212	)) {	264	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	266	}
216		267
217	$Event::DIED = sub {	268	$EV::DIED = sub {
218	warn "error in event callback: @_";	269	warn "error in event callback: @_";
219	};	270	};
220		271
221	#############################################################################	272	#############################################################################
222		273
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	297	$d
247	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
248	}	299	}
249		300
250	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
251		302
252	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
253		304
254	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
255		306
256	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
257		308
258	=cut	309	=cut
259		310
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		312
262	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
264		329
265	=item cf::lock_wait $string	330	=item cf::lock_wait $string
266		331
267	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
268		333
269	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
270		335
271	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
274	returned.	339	returned.
275		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
276	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
278		346
279	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
280		348
281	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
282		350
283	=cut	351	=cut
284		352
285	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
286		354
287	sub lock_wait($) {	355	sub lock_wait($) {
288	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	357	}
296		358
297	sub lock_acquire($) {	359	sub lock_acquire($) {
298	my ($key) = @_;	360	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	361	}
310		362
311	sub lock_active($) {	363	sub lock_active($) {
312	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	365	}
316		366
317	sub freeze_mainloop {	367	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
319		369
320	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
322	};	431	}
323	$TICK_WATCHER->stop;	432	};
324	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
325	}	446	}
326		447
327	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
328		449
329	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		455
335	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
336		457
337	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
338		459
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	463	acceptable.
343		464
344	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		471
351	sub sync_job(&) {	472	sub sync_job(&) {
352	my ($job) = @_;	473	my ($job) = @_;
353		474
354	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	476	my $time = EV::time;
356		477
357	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
359		480
360	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	482
362	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
363		484
364	my $busy = 1;	485	my $busy = 1;
365	my @res;	486	my @res;
366		487
367	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	490	@res = eval { $job->() };
369	warn $@ if $@;	491	warn $@ if $@;
370	undef $busy;	492	undef $busy;
371	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
372		494
373	while ($busy) {	495	while ($busy) {
374	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
375	}	500	}
		501	}
376		502
377	$time = Event::time - $time;	503	my $time = EV::time - $time;
378		504
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
383		506
384	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
385	} else {	508	} else {
386	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
387		510
…		…
412	=item fork_call { }, $args	535	=item fork_call { }, $args
413		536
414	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
418		541
419	=cut	542	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		543
430	sub fork_call(&@) {	544	sub fork_call(&@) {
431	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
432		546
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		550
438	if (my $pid = fork) {	551	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	552	reset_signals;
452	local $SIG{__WARN__};	553	&$cb
453	local $SIG{__DIE__};	554	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		555
460	eval {	556	wantarray ? @res : $res[-1]
461	close $fh1;	557	}
462		558
463	my @res = eval { $cb->(@args) };	559	=item $coin = coin_from_name $name
464		560
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	561	=cut
466	close $fh2;
467	};
468		562
469	warn $@ if $@;	563	our %coin_alias = (
470	_exit 0;	564	"silver" => "silvercoin",
471	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
472	}	584	}
473		585
474	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
475		587
476	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
479		591
480	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
483	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
484		618
485	our $DB;	619	our $DB;
486		620
487	sub db_init {	621	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	622	cf::sync_job {
492	eval {	623	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	624	};
502	}	625	}
503		626
504	sub db_get($$) {	627	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
506		629
…		…
556	if (1) {	679	if (1) {
557	$md5 =	680	$md5 =
558	join "\x00",	681	join "\x00",
559	$processversion,	682	$processversion,
560	map {	683	map {
561	Coro::cede;	684	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	686	} 0.. $#$src;
564		687
565		688
566	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		727
605	#############################################################################	728	#############################################################################
606		729
607	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
608		731
609	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
612		735
613	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	738	Deliantra).
616		739
617	=over 4	740	=over 4
618		741
619	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
620		743
…		…
664	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
665		788
666	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
668		791
669	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
671		794
672	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
673		796
674	=over 4	797	=over 4
…		…
902	}	1025	}
903		1026
904	0	1027	0
905	}	1028	}
906		1029
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1031
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1033
911	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
912		1035
…		…
918		1041
919	=cut	1042	=cut
920		1043
921	#############################################################################	1044	#############################################################################
922	# object support	1045	# object support
923	#
924		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
925	sub _can_merge {	1080	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1081	my ($ob1, $ob2) = @_;
927		1082
928	local $Storable::canonical = 1;	1083	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1084
932	$fob1 eq $fob2	1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
933	}	1087	}
934		1088
935	sub reattach {	1089	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1091	my ($obj) = @_;
938		1092
		1093	# no longer needed after getting rid of delete_package?
939	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
940		1095
941	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
942		1097
943	@$registry = ();	1098	@$registry = ();
944		1099
…		…
959	cf::attachable->attach (	1114	cf::attachable->attach (
960	prio => -1000000,	1115	prio => -1000000,
961	on_instantiate => sub {	1116	on_instantiate => sub {
962	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
963		1118
964	$data = from_json $data;	1119	$data = decode_json $data;
965		1120
966	for (@$data) {	1121	for (@$data) {
967	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
968		1123
969	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1140	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
987		1142
988	sync_job {	1143	sync_job {
989	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
992		1148
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
997	close $fh;	1153	aio_close $fh;
998		1154
999	if (@$objs) {	1155	if (@$objs) {
1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1001	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1004	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1005	close $fh;	1161	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1163	}
1008	} else {	1164	} else {
1009	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1010	}	1166	}
1011		1167
1012	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1172	} else {
1014	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1015	}	1174	}
1016	} else {	1175	} else {
1017	aio_unlink $filename;	1176	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1019	}	1178	}
1020	}	1179	};
1021	}	1180	}
1022		1181
1023	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1025		1184
…		…
1037	or return;	1196	or return;
1038		1197
1039	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1200	or return;
		1201
1042	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1043	}	1204	}
1044		1205
		1206	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1047	return ($data, $av);	1210	($data, $av)
1048	}	1211	}
1049		1212
1050	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1051		1214
1052	=over 4	1215	=over 4
…		…
1106	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1107		1270
1108	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1109	}	1272	}
1110		1273
		1274	use File::Glob ();
		1275
1111	cf::player->attach (	1276	cf::player->attach (
1112	on_command => sub {	1277	on_command => sub {
1113	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1114		1279
1115	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1125	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1126		1291
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1293
1129	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1135	} else {	1309	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1311	}
1138		1312
1139	cf::override;	1313	cf::override;
1140	},	1314	},
1141	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1142		1329
1143	sub load_extensions {	1330	sub load_extensions {
1144	cf::sync_job {	1331	cf::sync_job {
1145	my %todo;	1332	my %todo;
1146		1333
…		…
1166		1353
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1356
1170	$ext{source} =	1357	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1172	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1173	. $source	1360	. $source
1174	. "\n};\n1";	1361	. "\n};\n1";
1175		1362
1176	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1192	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1193	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1194		1381
1195	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1196	warn $msg;	1383	warn $msg;
1197	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1198	exit 1;
1199	}	1385	}
1200		1386
1201	warn $msg;	1387	warn $msg;
1202	}	1388	}
1203		1389
…		…
1217		1403
1218	=back	1404	=back
1219		1405
1220	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1221		1407
1222	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1223		1409
1224	=cut	1410	=cut
1225		1411
1226	package cf::player;	1412	package cf::player;
1227		1413
1228	use Coro::AIO;	1414	use Coro::AIO;
1229		1415
1230	=head3 cf::player	1416	=head3 cf::player
1231		1417
1232	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1233		1433
1234	=item cf::player::find $login	1434	=item cf::player::find $login
1235		1435
1236	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1237		1437
…		…
1256		1456
1257	sub exists($) {	1457	sub exists($) {
1258	my ($login) = @_;	1458	my ($login) = @_;
1259		1459
1260	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1262	}	1462	}
1263		1463
1264	sub find($) {	1464	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1466	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1477
1278	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1279	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1280	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1281	}	1487	}
1282	}	1488	}
1283	}	1489	}
1284		1490
…		…
1293	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1294		1500
1295	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1297		1503
		1504	cf::get_slot 0.01;
		1505
1298	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1299	Coro::cede;	1507	cf::cede_to_tick;
1300	}	1508	}
1301		1509
1302	sub new($) {	1510	sub new($) {
1303	my ($login) = @_;	1511	my ($login) = @_;
1304		1512
…		…
1310	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1311		1519
1312	$self	1520	$self
1313	}	1521	}
1314		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1315	=item $pl->quit_character	1533	=item $pl->quit_character
1316		1534
1317	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1319		1537
…		…
1323	my ($pl) = @_;	1541	my ($pl) = @_;
1324		1542
1325	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1326		1544
1327	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1328	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1329		1547
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1331	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1333	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1334		1554
1335	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1372	or return [];	1592	or return [];
1373		1593
1374	my @logins;	1594	my @logins;
1375		1595
1376	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1380		1606
1381	utf8::decode $login;	1607	utf8::decode $login;
1382	push @logins, $login;	1608	push @logins, $login;
1383	}	1609	}
1384		1610
…		…
1411	}	1637	}
1412		1638
1413	\@paths	1639	\@paths
1414	}	1640	}
1415		1641
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1643
1418	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1419		1645
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1467		1647
1468	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1469		1649
1470	=cut	1650	=cut
1471		1651
1472	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1474		1654
1475	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1656	}
1478		1657
1479	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1480		1659
1481	Sends an ext event to the client.	1660	Sends an ext event to the client.
1482		1661
1483	=cut	1662	=cut
1484		1663
1485	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1487		1666
1488	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1489	}	1668	}
1490		1669
1491	=head3 cf::region	1670	=head3 cf::region
1492		1671
1493	=over 4	1672	=over 4
…		…
1537	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1539		1718
1540	sub generate_random_map {	1719	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1542	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1543	$self->_create_random_map (	1725	$self->_create_random_map (
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1668		1850
1669	# the temporary/swap location	1851	# the temporary/swap location
1670	sub save_path {	1852	sub save_path {
1671	my ($self) = @_;	1853	my ($self) = @_;
1672		1854
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1675	}	1857	}
1676		1858
1677	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1678	sub uniq_path {	1860	sub uniq_path {
1679	my ($self) = @_;	1861	my ($self) = @_;
1680		1862
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1683	}
1684
1685	# and all this just because we cannot iterate over
1686	# all maps in C++...
1687	sub change_all_map_light {
1688	my ($change) = @_;
1689
1690	$_->change_map_light ($change)
1691	for grep $_->outdoor, values %cf::MAP;
1692	}	1865	}
1693		1866
1694	sub decay_objects {	1867	sub decay_objects {
1695	my ($self) = @_;	1868	my ($self) = @_;
1696		1869
…		…
1709		1882
1710	sub load_header_from($) {	1883	sub load_header_from($) {
1711	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1712		1885
1713	utf8::encode $path;	1886	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1719		1895
1720	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1721		1897
1722	1	1898	1
1723	}	1899	}
…		…
1777	sub find {	1953	sub find {
1778	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1779		1955
1780	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1781		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1783		1960
1784	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1787	or return;	1963	or return;
1788		1964
1789	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1790		1966
…		…
1792	or return;	1968	or return;
1793		1969
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1797	$map->reset;	1975	$map->reset;
1798	undef $guard;
1799	return find $path;	1976	return find $path;
1800	}	1977	}
1801		1978
1802	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1803	}	1980	}
…		…
1812	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1813		1990
1814	my $path = $self->{path};	1991	my $path = $self->{path};
1815		1992
1816	{	1993	{
1817	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1818		1995
		1996	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1820		1998
1821	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1822		2000
1823	$self->alloc;	2001	$self->alloc;
1824		2002
1825	$self->pre_load;	2003	$self->pre_load;
1826	Coro::cede;	2004	cf::cede_to_tick;
1827		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1828	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1829	or return;	2009	or return;
1830		2010
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1832	if delete $self->{load_original};	2012	if delete $self->{load_original};
1833		2013
1834	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2015	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2018	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1839	}	2022	}
1840	}	2023	}
1841		2024
1842	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1843	# now do the right thing for maps	2028	# now do the right thing for maps
1844	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2031	unless $self->difficulty;
1847	Coro::cede;	2032	cf::cede_to_tick;
1848		2033
1849	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2035	$self->decay_objects;
1851	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1852	$self->update_buttons;	2037	$self->update_buttons;
1853	Coro::cede;	2038	cf::cede_to_tick;
1854	$self->set_darkness_map;
1855	Coro::cede;
1856	$self->activate;	2039	$self->activate;
1857	}	2040	}
1858		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1860	}	2046	}
1861		2047
1862	$self->post_load;	2048	$self->post_load;
1863	}	2049	}
1864		2050
…		…
1873		2059
1874	$self	2060	$self
1875	}	2061	}
1876		2062
1877	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {	2064	sub load_neighbours {
1879	my ($map) = @_;	2065	my ($map) = @_;
1880		2066
1881	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1882		2068
1883	for (0 .. 3) {	2069	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1885	or next;	2071	or next;
1886	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1887	or next;	2073	or next;
1888	$neigh->load;	2074	$neigh->load;
1889		2075
		2076	push @neigh,
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}	2079	}
1893		2080
1894	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1895	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1896	or next;	2084	or next;
1897	$neigh->load;	2085	$neigh->load;
1898	}	2086	}
1899	}	2087	}
1900		2088
…		…
1905	}	2093	}
1906		2094
1907	sub do_load_sync {	2095	sub do_load_sync {
1908	my ($map) = @_;	2096	my ($map) = @_;
1909		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1910	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1911	}	2102	}
1912		2103
1913	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1915		2106
1916	sub find_async {	2107	sub find_async {
1917	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1918		2109
1919	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1920		2111
1921	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1923	}	2114	}
1924		2115
1925	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1926	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1927	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2123	if (my $map = find $k) {
1930	$map->load;	2124	$map->load if $v;
1931	}	2125	}
1932		2126
1933	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1934	}	2128	}
1935	}	2129	}
1936	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1937	};	2131	};
1938	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1941	}	2135	}
1942		2136
1943	sub save {	2137	sub save {
1944	my ($self) = @_;	2138	my ($self) = @_;
1945		2139
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1947		2141
1948	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1949		2143
1950	return unless $self->dirty;	2144	return unless $self->dirty;
1951		2145
…		…
1957	return if $self->{deny_save};	2151	return if $self->{deny_save};
1958		2152
1959	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1960		2154
1961	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1963	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1964		2161
1965	if ($uniq) {	2162	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2165	} else {
…		…
1974	my ($self) = @_;	2171	my ($self) = @_;
1975		2172
1976	# save first because save cedes	2173	# save first because save cedes
1977	$self->save;	2174	$self->save;
1978		2175
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2177
1981	return if $self->players;	2178	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1983	return if $self->{deny_save};	2180	return if $self->{deny_save};
1984		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1985	$self->clear;	2186	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2187	}
1988		2188
1989	sub reset_at {	2189	sub reset_at {
1990	my ($self) = @_;	2190	my ($self) = @_;
1991		2191
…		…
2023	if $uniq;	2223	if $uniq;
2024	}	2224	}
2025		2225
2026	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
2027		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2230	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2231
2032	$self->unlink_save;	2232	$self->unlink_save;
2033	$self->destroy;	2233	$self->destroy;
2034	}	2234	}
2035		2235
2036	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2037		2237
2038	sub nuke {	2238	sub nuke {
2039	my ($self) = @_;	2239	my ($self) = @_;
2040		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2041	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2042		2245
2043	$self->unlink_save;	2246	$self->unlink_save;
2044		2247
2045	bless $self, "cf::map";	2248	bless $self, "cf::map";
2046	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2253
2051	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2052		2256
2053	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2054	}	2258	}
2055		2259
2056	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2098		2302
2099	sub unique_maps() {	2303	sub unique_maps() {
2100	[	2304	[
2101	map {	2305	map {
2102	utf8::decode $_;	2306	utf8::decode $_;
2103	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2104	? normalise $_	2310	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2312	]
2108	}	2313	}
2109		2314
2110	package cf;
2111
2112	=back	2315	=back
2113		2316
2114	=head3 cf::object	2317	=head3 cf::object
2115		2318
2116	=cut	2319	=cut
…		…
2119		2322
2120	=over 4	2323	=over 4
2121		2324
2122	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2123		2326
2124	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2125		2329
2126	=cut	2330	=cut
2127		2331
2128	sub inv_recursive_;	2332	sub inv_recursive_;
2129	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2132		2336
2133	sub inv_recursive {	2337	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2135	}	2339	}
2136		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
2137	package cf;	2369	package cf;
2138		2370
2139	=back	2371	=back
2140		2372
2141	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2148	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2150		2382
2151	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
2152		2398
2153	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2400	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2163		2409
2164	} else {	2410	} else {
2165	my $pl = $self->contr;	2411	my $pl = $self->contr;
2166		2412
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2416
2176	} else {	2417	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2420	}
2180	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
2181	}	2432	}
2182		2433
2183	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2184		2435
2185	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2198		2449
2199	=item $player_object->enter_link	2450	=item $player_object->enter_link
2200		2451
2201	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2202		2453
2203	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2204	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2205		2458
2206	Will never block.	2459	Will never block.
2207		2460
2208	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2209		2462
…		…
2264	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2267		2520
2268	$map->load;	2521	$map->load;
2269	$map->load_diag;	2522	$map->load_neighbours;
2270		2523
2271	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2272	$self->activate_recursive;	2526	$self->activate_recursive;
2273		2527
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2276	}	2530	}
…		…
2281	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2282	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2283	the new (success) or old (failed) map position. In either case, $done will	2537	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2538	be called at the end of this process.
2285		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
		2542
2286	=cut	2543	=cut
2287		2544
2288	our $GOTOGEN;	2545	our $GOTOGEN;
2289		2546
2290	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
…		…
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2552
2296	$self->enter_link;	2553	$self->enter_link;
2297		2554
2298	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2299	my $map = eval {	2577	my $map = eval {
2300	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2301		2579
2302	if ($map) {	2580	if ($map) {
2303	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2305	} else {	2583	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2585	}
2308		2586
2309	$map	2587	$map
2310	};	2588	};
2311		2589
…		…
2347	}	2625	}
2348		2626
2349	sub prepare_random_map {	2627	sub prepare_random_map {
2350	my ($exit) = @_;	2628	my ($exit) = @_;
2351		2629
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2632	# that depends on the exit object
2357		2633
2358	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2636	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2365	}	2643	}
2366		2644
2367	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2368		2646
2369	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2372		2650
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2653	undef $fh;
2376	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2377		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2380	}	2662	}
2381	}	2663	}
2382		2664
2383	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2385		2667
2386	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2387		2669
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2670	$self->enter_link;
2400		2671
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2672	(async {
2406	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2407	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2408	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2409		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2410	1;	2696	1
2411	}) {	2697	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2416		2702
2417	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2447		2733
2448	=cut	2734	=cut
2449		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/death" => {
		2799	id => "death",
		2800	title => "Death",
		2801	reply => undef,
		2802	tooltip => "Reason for and more info about your most recent death",
		2803	},
		2804	"c/say" => $SAY_CHANNEL,
		2805	"c/chat" => $CHAT_CHANNEL,
		2806	);
		2807
2450	sub cf::client::send_msg {	2808	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	2809	my ($self, $channel, $msg, $color, @extra) = @_;
2452		2810
2453	$msg = $self->pl->expand_cfpod ($msg);	2811	$msg = $self->pl->expand_cfpod ($msg)
		2812	unless $color & cf::NDI_VERBATIM;
2454		2813
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	2814	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		2815
		2816	# check predefined channels, for the benefit of C
		2817	if ($CHANNEL{$channel}) {
		2818	$channel = $CHANNEL{$channel};
		2819
		2820	$self->ext_msg (channel_info => $channel);
		2821	$channel = $channel->{id};
		2822
2457	if (ref $channel) {	2823	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	2824	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	2825	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	2826	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	2827	$self->ext_msg (channel_info => $channel);
2462	}	2828	}
2463		2829
2464	$channel = $channel->{id};	2830	$channel = $channel->{id};
2465	}	2831	}
2466		2832
2467	return unless @extra || length $msg;	2833	return unless @extra || length $msg;
2468		2834
2469	if ($self->can_msg) {	2835	# default colour, mask it out
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2836	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2471	} else {	2837	if $color & cf::NDI_DEF;
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481		2838
2482	if ($color >= 0) {	2839	my $pkt = "msg "
2483	if (0 && $msg =~ /\[/) {	2840	. $self->{json_coder}->encode (
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	2841	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2485	} else {	2842	);
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		2843
		2844	# try lzf for large packets
		2845	$pkt = "lzf " . Compress::LZF::compress $pkt
		2846	if 1024 <= length $pkt and $self->{can_lzf};
		2847
		2848	# split very large packets
		2849	if (8192 < length $pkt and $self->{can_lzf}) {
		2850	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2851	$pkt = "frag";
		2852	}
		2853
		2854	$self->send_packet ($pkt);
		2855	}
		2856
2493	=item $client->ext_event ($type, %msg)	2857	=item $client->ext_msg ($type, @msg)
2494		2858
2495	Sends an ext event to the client.	2859	Sends an ext event to the client.
2496		2860
2497	=cut	2861	=cut
2498		2862
2499	sub cf::client::ext_event($$%) {	2863	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	2864	my ($self, $type, @msg) = @_;
2501		2865
2502	return unless $self->extcmd;	2866	if ($self->extcmd == 2) {
2503		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2868	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	2869	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2870	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2871	}
		2872	}
		2873
		2874	=item $client->ext_reply ($msgid, @msg)
		2875
		2876	Sends an ext reply to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_reply($$@) {
		2881	my ($self, $id, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2885	} elsif ($self->extcmd == 1) {
		2886	#TODO: version 1, remove
		2887	unshift @msg, msgtype => "reply", msgid => $id;
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
2506	}	2890	}
2507		2891
2508	=item $success = $client->query ($flags, "text", \&cb)	2892	=item $success = $client->query ($flags, "text", \&cb)
2509		2893
2510	Queues a query to the client, calling the given callback with	2894	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	2949	my ($ns, $buf) = @_;
2566		2950
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2951	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		2952
2569	if (ref $msg) {	2953	if (ref $msg) {
		2954	my ($type, $reply, @payload) =
		2955	"ARRAY" eq ref $msg
		2956	? @$msg
		2957	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2958
		2959	my @reply;
		2960
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2961	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	2962	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	2963	}
		2964
		2965	$ns->ext_reply ($reply, @reply)
		2966	if $reply;
		2967
2576	} else {	2968	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2969	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	2970	}
2579		2971
2580	cf::override;	2972	cf::override;
…		…
2627	our $safe = new Safe "safe";	3019	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3020	our $safe_hole = new Safe::Hole;
2629		3021
2630	$SIG{FPE} = 'IGNORE';	3022	$SIG{FPE} = 'IGNORE';
2631		3023
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3024	$safe->permit_only (Opcode::opset qw(
		3025	:base_core :base_mem :base_orig :base_math
		3026	grepstart grepwhile mapstart mapwhile
		3027	sort time
		3028	));
2633		3029
2634	# here we export the classes and methods available to script code	3030	# here we export the classes and methods available to script code
2635		3031
2636	=pod	3032	=pod
2637		3033
2638	The following functions and methods are available within a safe environment:	3034	The following functions and methods are available within a safe environment:
2639		3035
2640	cf::object	3036	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3037	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3038	insert remove name archname title slaying race decrease split
2643		3039
2644	cf::object::player	3040	cf::object::player
2645	player	3041	player
2646		3042
2647	cf::player	3043	cf::player
…		…
2652		3048
2653	=cut	3049	=cut
2654		3050
2655	for (	3051	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3052	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3053	insert remove inv nrof name archname title slaying race
		3054	decrease split destroy change_exp)],
2658	["cf::object::player" => qw(player)],	3055	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3056	["cf::player" => qw(peaceful)],
2660	["cf::map" => qw(trigger)],	3057	["cf::map" => qw(trigger)],
2661	) {	3058	) {
2662	no strict 'refs';	3059	no strict 'refs';
…		…
2738	# the server's init and main functions	3135	# the server's init and main functions
2739		3136
2740	sub load_facedata($) {	3137	sub load_facedata($) {
2741	my ($path) = @_;	3138	my ($path) = @_;
2742		3139
		3140	# HACK to clear player env face cache, we need some signal framework
		3141	# for this (global event?)
		3142	%ext::player_env::MUSIC_FACE_CACHE = ();
		3143
		3144	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3145
2743	warn "loading facedata from $path\n";	3146	warn "loading facedata from $path\n";
2744		3147
2745	my $facedata;	3148	my $facedata;
2746	0 < aio_load $path, $facedata	3149	0 < aio_load $path, $facedata
2747	or die "$path: $!";	3150	or die "$path: $!";
…		…
2749	$facedata = Coro::Storable::thaw $facedata;	3152	$facedata = Coro::Storable::thaw $facedata;
2750		3153
2751	$facedata->{version} == 2	3154	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3155	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3156
		3157	# patch in the exptable
		3158	$facedata->{resource}{"res/exp_table"} = {
		3159	type => FT_RSRC,
		3160	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3161	};
		3162	cf::cede_to_tick;
		3163
2754	{	3164	{
2755	my $faces = $facedata->{faceinfo};	3165	my $faces = $facedata->{faceinfo};
2756		3166
2757	while (my ($face, $info) = each %$faces) {	3167	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3168	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3169
2759	cf::face::set_visibility $idx, $info->{visibility};	3170	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3171	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3172	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3173	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2763		3174
2764	cf::cede_to_tick;	3175	cf::cede_to_tick;
2765	}	3176	}
2766		3177
2767	while (my ($face, $info) = each %$faces) {	3178	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3179	next unless $info->{smooth};
		3180
2769	my $idx = cf::face::find $face	3181	my $idx = cf::face::find $face
2770	or next;	3182	or next;
		3183
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3184	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3185	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3186	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3187	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3188	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2792		3205
2793	{	3206	{
2794	# TODO: for gcfclient pleasure, we should give resources	3207	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.	3208	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3209	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3210
2799	while (my ($name, $info) = each %$res) {	3211	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3212	if (defined $info->{type}) {
2801	name => $name,
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3213	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3214	my $data;
2807		3215
2808	if ($name =~ /\.jpg$/) {	3216	if ($info->{type} & 1) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3217	# prepend meta info
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3218
		3219	my $meta = $enc->encode ({
		3220	name => $name,
		3221	%{ $info->{meta} || {} },
		3222	});
		3223
		3224	$data = pack "(w/a*)*", $meta, $info->{data};
		3225	} else {
		3226	$data = $info->{data};
		3227	}
		3228
		3229	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3230	cf::face::set_type $idx, $info->{type};
2811	} else {	3231	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3232	$RESOURCE{$name} = $info;
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3233	}
2818		3234
2819	cf::cede_to_tick;	3235	cf::cede_to_tick;
2820	}	3236	}
2821	}	3237	}
2822		3238
		3239	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3240
2823	1	3241	1
2824	}	3242	}
2825		3243
		3244	cf::global->attach (on_resource_update => sub {
		3245	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3246	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3247
		3248	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3249	my $sound = $soundconf->{compat}[$_]
		3250	or next;
		3251
		3252	my $face = cf::face::find "sound/$sound->[1]";
		3253	cf::sound::set $sound->[0] => $face;
		3254	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3255	}
		3256
		3257	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3258	my $face = cf::face::find "sound/$v";
		3259	cf::sound::set $k => $face;
		3260	}
		3261	}
		3262	});
		3263
		3264	register_exticmd fx_want => sub {
		3265	my ($ns, $want) = @_;
		3266
		3267	while (my ($k, $v) = each %$want) {
		3268	$ns->fx_want ($k, $v);
		3269	}
		3270	};
		3271
		3272	sub load_resource_file($) {
		3273	my $guard = lock_acquire "load_resource_file";
		3274
		3275	my $status = load_resource_file_ $_[0];
		3276	get_slot 0.1, 100;
		3277	cf::arch::commit_load;
		3278
		3279	$status
		3280	}
		3281
2826	sub reload_regions {	3282	sub reload_regions {
		3283	# HACK to clear player env face cache, we need some signal framework
		3284	# for this (global event?)
		3285	%ext::player_env::MUSIC_FACE_CACHE = ();
		3286
2827	load_resource_file "$MAPDIR/regions"	3287	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3288	or die "unable to load regions file\n";
2829		3289
2830	for (cf::region::list) {	3290	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3291	$_->{match} = qr/$_->{match}/
…		…
2839	}	3299	}
2840		3300
2841	sub reload_archetypes {	3301	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3302	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3303	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3304	}
2850		3305
2851	sub reload_treasures {	3306	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3307	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3308	or die "unable to load treasurelists\n";
2854	}	3309	}
2855		3310
2856	sub reload_resources {	3311	sub reload_resources {
2857	warn "reloading resource files...\n";	3312	warn "reloading resource files...\n";
2858		3313
		3314	reload_facedata;
		3315	reload_archetypes;
2859	reload_regions;	3316	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3317	reload_treasures;
2864		3318
2865	warn "finished reloading resource files\n";	3319	warn "finished reloading resource files\n";
2866	}	3320	}
2867		3321
2868	sub init {	3322	sub reload_config {
2869	reload_resources;
2870	}
2871
2872	sub cfg_load {
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3323	open my $fh, "<:utf8", "$CONFDIR/config"
2874	or return;	3324	or return;
2875		3325
2876	local $/;	3326	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;	3327	*CFG = YAML::Load <$fh>;
2878		3328
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3329	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2880		3330
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3331	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3332	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2888	};	3338	};
2889	warn $@ if $@;	3339	warn $@ if $@;
2890	}	3340	}
2891	}	3341	}
2892		3342
		3343	sub pidfile() {
		3344	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3345	or die "$PIDFILE: $!";
		3346	flock $fh, &Fcntl::LOCK_EX
		3347	or die "$PIDFILE: flock: $!";
		3348	$fh
		3349	}
		3350
		3351	# make sure only one server instance is running at any one time
		3352	sub atomic {
		3353	my $fh = pidfile;
		3354
		3355	my $pid = <$fh>;
		3356	kill 9, $pid if $pid > 0;
		3357
		3358	seek $fh, 0, 0;
		3359	print $fh $$;
		3360	}
		3361
2893	sub main {	3362	sub main {
		3363	cf::init_globals; # initialise logging
		3364
		3365	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3366	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3367	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3368	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3369
		3370	cf::init_experience;
		3371	cf::init_anim;
		3372	cf::init_attackmess;
		3373	cf::init_dynamic;
		3374
		3375	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3376
2894	# we must not ever block the main coroutine	3377	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3378	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3379	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3380	(async {
2898	Event::one_event;	3381	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3382	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3383	})->prio (Coro::PRIO_MAX);
2900	};	3384	};
2901		3385
2902	cfg_load;	3386	evthread_start IO::AIO::poll_fileno;
		3387
		3388	cf::sync_job {
		3389	reload_resources;
		3390	reload_config;
2903	db_init;	3391	db_init;
		3392
		3393	cf::load_settings;
		3394	cf::load_materials;
		3395	cf::init_uuid;
		3396	cf::init_signals;
		3397	cf::init_commands;
		3398	cf::init_skills;
		3399
		3400	cf::init_beforeplay;
		3401
		3402	atomic;
		3403
2904	load_extensions;	3404	load_extensions;
2905		3405
2906	$TICK_WATCHER->start;	3406	utime time, time, $RUNTIMEFILE;
		3407
		3408	# no (long-running) fork's whatsoever before this point(!)
		3409	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3410
		3411	(pop @POST_INIT)->(0) while @POST_INIT;
		3412	};
		3413
2907	Event::loop;	3414	EV::loop;
2908	}	3415	}
2909		3416
2910	#############################################################################	3417	#############################################################################
2911	# initialisation and cleanup	3418	# initialisation and cleanup
2912		3419
2913	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2914	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2923	},
2924	);	3426	};
2925	}	3427	}
2926	}	3428	}
2927		3429
2928	sub write_runtime {	3430	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";
2930
2931	# first touch the runtime file to show we are still running:	3431	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3432	# the fsync below can take a very very long time.
2933		3433
2934	IO::AIO::aio_utime $runtime, undef, undef;	3434	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3435
2936	my $guard = cf::lock_acquire "write_runtime";	3436	my $guard = cf::lock_acquire "write_runtime";
2937		3437
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3438	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2939	or return;	3439	or return;
2940		3440
2941	my $value = $cf::RUNTIME + 90 + 10;	3441	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3442	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3443	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3453	aio_utime $fh, undef, undef;
2954		3454
2955	close $fh	3455	close $fh
2956	or return;	3456	or return;
2957		3457
2958	aio_rename "$runtime~", $runtime	3458	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3459	and return;
2960		3460
2961	warn "runtime file written.\n";	3461	warn "runtime file written.\n";
2962		3462
2963	1	3463	1
		3464	}
		3465
		3466	our $uuid_lock;
		3467	our $uuid_skip;
		3468
		3469	sub write_uuid_sync($) {
		3470	$uuid_skip ||= $_[0];
		3471
		3472	return if $uuid_lock;
		3473	local $uuid_lock = 1;
		3474
		3475	my $uuid = "$LOCALDIR/uuid";
		3476
		3477	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3478	or return;
		3479
		3480	my $value = uuid_seq uuid_cur;
		3481
		3482	unless ($value) {
		3483	warn "cowardly refusing to write zero uuid value!\n";
		3484	return;
		3485	}
		3486
		3487	my $value = uuid_str $value + $uuid_skip;
		3488	$uuid_skip = 0;
		3489
		3490	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3491	and return;
		3492
		3493	# always fsync - this file is important
		3494	aio_fsync $fh
		3495	and return;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$uuid~", $uuid
		3501	and return;
		3502
		3503	warn "uuid file written ($value).\n";
		3504
		3505	1
		3506
		3507	}
		3508
		3509	sub write_uuid($$) {
		3510	my ($skip, $sync) = @_;
		3511
		3512	$sync ? write_uuid_sync $skip
		3513	: async { write_uuid_sync $skip };
2964	}	3514	}
2965		3515
2966	sub emergency_save() {	3516	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3517	my $freeze_guard = cf::freeze_mainloop;
2968		3518
2969	warn "enter emergency perl save\n";	3519	warn "emergency_perl_save: enter\n";
2970		3520
2971	cf::sync_job {	3521	cf::sync_job {
		3522	# this is a trade-off: we want to be very quick here, so
		3523	# save all maps without fsync, and later call a global sync
		3524	# (which in turn might be very very slow)
		3525	local $USE_FSYNC = 0;
		3526
2972	# use a peculiar iteration method to avoid tripping on perl	3527	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3528	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3530	warn "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3535	$pl->save;
2980	}	3536	}
2981	warn "end emergency player save\n";	3537	warn "emergency_perl_save: end player save\n";
2982		3538
2983	warn "begin emergency map save\n";	3539	warn "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3540	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3542	$map->valid or next;
2987	$map->save;	3543	$map->save;
2988	}	3544	}
2989	warn "end emergency map save\n";	3545	warn "emergency_perl_save: end map save\n";
2990		3546
2991	warn "begin emergency database checkpoint\n";	3547	warn "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3549	warn "emergency_perl_save: end database checkpoint\n";
		3550
		3551	warn "emergency_perl_save: begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "emergency_perl_save: end write uuid\n";
2994	};	3554	};
2995		3555
		3556	warn "emergency_perl_save: starting sync()\n";
		3557	IO::AIO::aio_sync sub {
		3558	warn "emergency_perl_save: finished sync()\n";
		3559	};
		3560
2996	warn "leave emergency perl save\n";	3561	warn "emergency_perl_save: leave\n";
2997	}	3562	}
2998		3563
2999	sub post_cleanup {	3564	sub post_cleanup {
3000	my ($make_core) = @_;	3565	my ($make_core) = @_;
3001		3566
3002	warn Carp::longmess "post_cleanup backtrace"	3567	warn Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3568	if $make_core;
		3569
		3570	my $fh = pidfile;
		3571	unlink $PIDFILE if <$fh> == $$;
		3572	}
		3573
		3574	# a safer delete_package, copied from Symbol
		3575	sub clear_package($) {
		3576	my $pkg = shift;
		3577
		3578	# expand to full symbol table name if needed
		3579	unless ($pkg =~ /^main::.*::$/) {
		3580	$pkg = "main$pkg" if $pkg =~ /^::/;
		3581	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3582	$pkg .= '::' unless $pkg =~ /::$/;
		3583	}
		3584
		3585	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3586	my $stem_symtab = *{$stem}{HASH};
		3587
		3588	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3589	or return;
		3590
		3591	# clear all symbols
		3592	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3593	for my $name (keys %$leaf_symtab) {
		3594	_gv_clear *{"$pkg$name"};
		3595	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3596	}
		3597	warn "cleared package $pkg\n";#d#
3004	}	3598	}
3005		3599
3006	sub do_reload_perl() {	3600	sub do_reload_perl() {
3007	# can/must only be called in main	3601	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	3602	if ($Coro::current != $Coro::main) {
3009	warn "can only reload from main coroutine";	3603	warn "can only reload from main coroutine";
3010	return;	3604	return;
3011	}	3605	}
3012		3606
		3607	return if $RELOAD++;
		3608
		3609	my $t1 = EV::time;
		3610
		3611	while ($RELOAD) {
3013	warn "reloading...";	3612	warn "reloading...";
3014		3613
3015	warn "entering sync_job";	3614	warn "entering sync_job";
3016		3615
3017	cf::sync_job {	3616	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark	3617	cf::write_runtime_sync; # external watchdog should not bark
3019	cf::emergency_save;	3618	cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark	3619	cf::write_runtime_sync; # external watchdog should not bark
3021		3620
3022	warn "syncing database to disk";	3621	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3024		3623
3025	# if anything goes wrong in here, we should simply crash as we already saved	3624	# if anything goes wrong in here, we should simply crash as we already saved
3026		3625
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";	3626	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;	3627	while (IO::AIO::nreqs || BDB::nreqs) {
3038	warn "iterate...";	3628	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();
3046
3047	warn "removing commands";
3048	%COMMAND = ();
3049
3050	warn "removing ext/exti commands";
3051	%EXTCMD = ();
3052	%EXTICMD = ();
3053
3054	warn "unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";
3057
3058	if (my $cb = $pkg->can ("unload")) {
3059	eval {
3060	$cb->($pkg);
3061	1
3062	} or warn "$pkg unloaded, but with errors: $@";
3063	}	3629	}
3064		3630
3065	warn "... nuking $pkg";	3631	warn "cancelling all extension coros";
3066	Symbol::delete_package $pkg;	3632	$_->cancel for values %EXT_CORO;
3067	}	3633	%EXT_CORO = ();
3068		3634
3069	warn "unloading all perl modules loaded from $LIBDIR";	3635	warn "removing commands";
3070	while (my ($k, $v) = each %INC) {	3636	%COMMAND = ();
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		3637
		3638	warn "removing ext/exti commands";
		3639	%EXTCMD = ();
		3640	%EXTICMD = ();
		3641
		3642	warn "unloading/nuking all extensions";
		3643	for my $pkg (@EXTS) {
3073	warn "... unloading $k";	3644	warn "... unloading $pkg";
3074	delete $INC{$k};
3075		3645
3076	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;
3078
3079	if (my $cb = $k->can ("unload_module")) {	3646	if (my $cb = $pkg->can ("unload")) {
		3647	eval {
3080	$cb->();	3648	$cb->($pkg);
		3649	1
		3650	} or warn "$pkg unloaded, but with errors: $@";
		3651	}
		3652
		3653	warn "... clearing $pkg";
		3654	clear_package $pkg;
3081	}	3655	}
3082		3656
3083	Symbol::delete_package $k;	3657	warn "unloading all perl modules loaded from $LIBDIR";
		3658	while (my ($k, $v) = each %INC) {
		3659	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3660
		3661	warn "... unloading $k";
		3662	delete $INC{$k};
		3663
		3664	$k =~ s/\.pm$//;
		3665	$k =~ s/\//::/g;
		3666
		3667	if (my $cb = $k->can ("unload_module")) {
		3668	$cb->();
		3669	}
		3670
		3671	clear_package $k;
3084	}	3672	}
3085		3673
3086	warn "getting rid of safe::, as good as possible";	3674	warn "getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	3675	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3676	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		3677
3090	warn "unloading cf.pm \"a bit\"";	3678	warn "unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	3679	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	3680	delete $INC{"cf/pod.pm"};
3093		3681
3094	# don't, removes xs symbols, too,	3682	# don't, removes xs symbols, too,
3095	# and global variables created in xs	3683	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	3684	#clear_package __PACKAGE__;
3097		3685
3098	warn "unload completed, starting to reload now";	3686	warn "unload completed, starting to reload now";
3099		3687
3100	warn "reloading cf.pm";	3688	warn "reloading cf.pm";
3101	require cf;	3689	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3690	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3103		3691
3104	warn "loading config and database again";	3692	warn "loading config and database again";
3105	cf::cfg_load;	3693	cf::reload_config;
3106		3694
3107	warn "loading extensions";	3695	warn "loading extensions";
3108	cf::load_extensions;	3696	cf::load_extensions;
3109		3697
		3698	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	3699	warn "reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	3700	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	3701	warn "reattaching attachments to maps";
3113	reattach $_ for values %MAP;	3702	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	3703	warn "reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	3704	reattach $_ for values %PLAYER;
		3705	}
3116		3706
		3707	warn "running post_init jobs";
		3708	(pop @POST_INIT)->(1) while @POST_INIT;
		3709
3117	warn "leaving sync_job";	3710	warn "leaving sync_job";
3118		3711
3119	1	3712	1
3120	} or do {	3713	} or do {
3121	warn $@;	3714	warn $@;
3122	warn "error while reloading, exiting.";	3715	cf::cleanup "error while reloading, exiting.";
3123	exit 1;
3124	};	3716	};
3125		3717
3126	warn "reloaded";	3718	warn "reloaded";
		3719	--$RELOAD;
		3720	}
		3721
		3722	$t1 = EV::time - $t1;
		3723	warn "reload completed in ${t1}s\n";
3127	};	3724	};
3128		3725
3129	our $RELOAD_WATCHER; # used only during reload	3726	our $RELOAD_WATCHER; # used only during reload
3130		3727
3131	sub reload_perl() {	3728	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	3729	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	3730	# coro crashes during coro_state_free->destroy here.
3134		3731
3135	$RELOAD_WATCHER ||= Event->timer (	3732	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	3733	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	3734
3138	data => WF_AUTOCANCEL,	3735	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	3736	do_reload_perl;
3141	undef $RELOAD_WATCHER;	3737	undef $RELOAD_WATCHER;
3142	},	3738	};
3143	);	3739	};
3144	}	3740	}
3145		3741
3146	register_command "reload" => sub {	3742	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	3743	my ($who, $arg) = @_;
3148		3744
3149	if ($who->flag (FLAG_WIZ)) {	3745	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	3746	$who->message ("reloading server.");
		3747	async {
		3748	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	3749	reload_perl;
		3750	};
3152	}	3751	}
3153	};	3752	};
3154		3753
3155	unshift @INC, $LIBDIR;	3754	unshift @INC, $LIBDIR;
3156		3755
…		…
3158		3757
3159	our @WAIT_FOR_TICK;	3758	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;	3759	our @WAIT_FOR_TICK_BEGIN;
3161		3760
3162	sub wait_for_tick {	3761	sub wait_for_tick {
3163	return unless $TICK_WATCHER->is_active;
3164	return if $Coro::current == $Coro::main;	3762	return if tick_inhibit || $Coro::current == $Coro::main;
3165		3763
3166	my $signal = new Coro::Signal;	3764	my $signal = new Coro::Signal;
3167	push @WAIT_FOR_TICK, $signal;	3765	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;	3766	$signal->wait;
3169	}	3767	}
3170		3768
3171	sub wait_for_tick_begin {	3769	sub wait_for_tick_begin {
3172	return unless $TICK_WATCHER->is_active;
3173	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
3174		3771
3175	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	3773	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	3774	$signal->wait;
3178	}	3775	}
3179		3776
3180	my $min = 1e6;#d#	3777	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	3778	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3779	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	3780	unless ++$bug_warning > 10;
3192	return;	3781	return;
3193	}	3782	}
3194		3783
3195	$NOW = $tick_start = Event::time;
3196
3197	cf::server_tick; # one server iteration	3784	cf::server_tick; # one server iteration
3198		3785
3199	0 && sync_job {#d#	3786	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	3787	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	3788	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3789	$Coro::current->{desc} = "runtime saver";
3203	or die;	3790	write_runtime_sync
3204		3791	or warn "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	3792	};
		3793	}
3221		3794
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3795	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	3796	$sig->send;
3238	}	3797	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	3798	while (my $sig = shift @WAIT_FOR_TICK) {
3240	$sig->send;	3799	$sig->send;
3241	}	3800	}
3242		3801
3243	$NOW = Event::time;	3802	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3803	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		3804
3254	_post_tick;	3805	if (0) {
3255		3806	if ($NEXT_TICK) {
3256		3807	my $jitter = $TICK_START - $NEXT_TICK;
		3808	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3809	warn "jitter $JITTER\n";#d#
		3810	}
3257	},	3811	}
3258	);	3812	}
3259		3813
3260	{	3814	{
3261	BDB::max_poll_time $TICK * 0.1;	3815	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	3816
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	3817	BDB::min_parallel 8;
3271		3818	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	3819	$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		3820
3287	unless ($DB_ENV) {	3821	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	3822	$DB_ENV = BDB::db_env_create;
		3823	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3824	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3825	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3826	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3827	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		3828
3290	cf::sync_job {	3829	cf::sync_job {
3291	eval {	3830	eval {
3292	BDB::db_env_open	3831	BDB::db_env_open
3293	$DB_ENV,	3832	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3834	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3835	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	3836	0666;
3298		3837
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3838	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	3839	};
3304		3840
3305	cf::cleanup "db_env_open(db): $@" if $@;	3841	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	3842	};
3307	}	3843	}
		3844
		3845	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3846	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3847	};
		3848	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3849	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3850	};
		3851	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3852	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3853	};
3308	}	3854	}
3309		3855
3310	{	3856	{
		3857	# configure IO::AIO
		3858
3311	IO::AIO::min_parallel 8;	3859	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	3860	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	3861	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	3862	}
3324		3863
3325	my $_log_backtrace;	3864	my $_log_backtrace;
3326		3865
3327	sub _log_backtrace {	3866	sub _log_backtrace {
…		…
3330	$msg =~ s/\n//;	3869	$msg =~ s/\n//;
3331		3870
3332	# limit the # of concurrent backtraces	3871	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	3872	if ($_log_backtrace < 2) {
3334	++$_log_backtrace;	3873	++$_log_backtrace;
		3874	my $perl_bt = Carp::longmess $msg;
3335	async {	3875	async {
		3876	$Coro::current->{desc} = "abt $msg";
		3877
3336	my @bt = fork_call {	3878	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	3879	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3880	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3881	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	3882	or die "addr2line: $!";
…		…
3348	}	3890	}
3349		3891
3350	@funcs	3892	@funcs
3351	};	3893	};
3352		3894
3353	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $perl_bt\n";
		3896	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	3897	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	3898	--$_log_backtrace;
3356	};	3899	};
3357	} else {	3900	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	3901	LOG llevInfo, "[ABT] $msg\n";

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