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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 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		76
42	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
43		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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		79
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		81
51	our %COMMAND = ();	82	our %COMMAND = ();
52	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	86	our %EXTCMD = ();
56	our %EXTICMD = ();	87	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
59		90
60	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	92	our @EVENT;
62		93
63	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	95	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
74		109
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	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	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	112	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
85		121
86	our %CFG;	122	our %CFG;
87		123
88	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
90		127
91	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
94		131
95	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		134
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
101		144
102	binmode STDOUT;	145	binmode STDOUT;
103	binmode STDERR;	146	binmode STDERR;
104		147
105	# read virtual server time, if available	148	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
110	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
111		156
112	mkdir $_	157	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		159
115	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
158		203
159	The raw value load value from the last tick.	204	The raw value load value from the last tick.
160		205
161	=item %cf::CFG	206	=item %cf::CFG
162		207
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	209	from wherever your confdir points to.
165		210
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		212
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	231	$msg .= "\n"
187	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
188		233
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		235
191	utf8::encode $msg;
192	LOG llevError, $msg;	236	LOG llevError, $msg;
193	};	237	};
194	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
195		254
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	265	for my $pkg (qw(
207	cf::global cf::attachable	266	cf::global cf::attachable
208	cf::object cf::object::player	267	cf::object cf::object::player
209	cf::client cf::player	268	cf::client cf::player
210	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
211	cf::map cf::party cf::region	271	cf::party cf::region
212	)) {	272	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	274	}
216		275
217	$Event::DIED = sub {	276	$EV::DIED = sub {
218	warn "error in event callback: @_";	277	warn "error in event callback: @_";
219	};	278	};
220		279
221	#############################################################################	280	#############################################################################
222		281
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	305	$d
247	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
248	}	307	}
249		308
250	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
251		310
252	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
253		312
254	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
255		314
256	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
257		316
258	=cut	317	=cut
259		318
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		320
262	sub to_json ($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
264		337
265	=item cf::lock_wait $string	338	=item cf::lock_wait $string
266		339
267	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
268		341
269	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
270		343
271	Wait until the given lock is available and then acquires it and returns	344	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,	345	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	346	for example when the coroutine gets canceled), the lock is automatically
274	returned.	347	returned.
275		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
276	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
278		354
279	=item $locked = cf::lock_active $string	355	=item $locked = cf::lock_active $string
280		356
281	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
282		358
283	=cut	359	=cut
284		360
285	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
286		362
287	sub lock_wait($) {	363	sub lock_wait($) {
288	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	365	}
296		366
297	sub lock_acquire($) {	367	sub lock_acquire($) {
298	my ($key) = @_;	368	$LOCKS->guard ($_[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	}	369	}
310		370
311	sub lock_active($) {	371	sub lock_active($) {
312	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	373	}
316		374
317	sub freeze_mainloop {	375	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
319		377
320	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
322	};	439	}
323	$TICK_WATCHER->stop;	440	};
324	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
325	}	454	}
326		455
327	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
328		457
329	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		463
335	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
336		465
337	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
338		467
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	468	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	469	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	471	acceptable.
343		472
344	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		479
351	sub sync_job(&) {	480	sub sync_job(&) {
352	my ($job) = @_;	481	my ($job) = @_;
353		482
354	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	484	my $time = EV::time;
356		485
357	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
359		488
360	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	490
362	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
363		492
364	my $busy = 1;	493	my $busy = 1;
365	my @res;	494	my @res;
366		495
367	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	498	@res = eval { $job->() };
369	warn $@ if $@;	499	warn $@ if $@;
370	undef $busy;	500	undef $busy;
371	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
372		502
373	while ($busy) {	503	while ($busy) {
374	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
375	}	508	}
		509	}
376		510
377	$time = Event::time - $time;	511	my $time = EV::time - $time;
378		512
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	513	$TICK_START += $time; # do not account sync jobs to server load
383		514
384	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
385	} else {	516	} else {
386	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
387		518
…		…
412	=item fork_call { }, $args	543	=item fork_call { }, $args
413		544
414	Executes the given code block with the given arguments in a seperate	545	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	546	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	547	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	548	never block itself or use any form of event handling.
418		549
419	=cut	550	=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	$buf
428	}
429		551
430	sub fork_call(&@) {	552	sub fork_call(&@) {
431	my ($cb, @args) = @_;	553	my ($cb, @args) = @_;
432		554
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	555	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	556	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	557	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		558
438	if (my $pid = fork) {	559	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;	560	reset_signals;
452	local $SIG{__WARN__};	561	&$cb
453	local $SIG{__DIE__};	562	}, @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		563
460	eval {	564	wantarray ? @res : $res[-1]
461	close $fh1;	565	}
462		566
463	my @res = eval { $cb->(@args) };	567	=item $coin = coin_from_name $name
464		568
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	569	=cut
466	close $fh2;
467	};
468		570
469	warn $@ if $@;	571	our %coin_alias = (
470	_exit 0;	572	"silver" => "silvercoin",
471	}	573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
472	}	592	}
473		593
474	=item $value = cf::db_get $family => $key	594	=item $value = cf::db_get $family => $key
475		595
476	Returns a single value from the environment database.	596	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	598	=item cf::db_put $family => $key => $value
479		599
480	Stores the given C<$value> in the family. It can currently store binary	600	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).	601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
483	=cut	608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
484		626
485	our $DB;	627	our $DB;
486		628
487	sub db_init {	629	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	630	cf::sync_job {
492	eval {	631	$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	}	632	};
502	}	633	}
503		634
504	sub db_get($$) {	635	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	636	my $key = "$_[0]/$_[1]";
506		637
…		…
556	if (1) {	687	if (1) {
557	$md5 =	688	$md5 =
558	join "\x00",	689	join "\x00",
559	$processversion,	690	$processversion,
560	map {	691	map {
561	Coro::cede;	692	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	693	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	694	} 0.. $#$src;
564		695
565		696
566	my $dbmd5 = db_get cache => "$id/md5";	697	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		735
605	#############################################################################	736	#############################################################################
606		737
607	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
608		739
609	Many objects in crossfire are so-called attachable objects. That means you can	740	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")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
612		743
613	In the following description, CLASS can be any of C<global>, C<object>	744	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	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	746	Deliantra).
616		747
617	=over 4	748	=over 4
618		749
619	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
620		751
…		…
664	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
665		796
666	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
668		799
669	Some classes such as crossfire maps and objects can specify attachments	800	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.	801	that are attached at load/instantiate time, thus the need for a name.
671		802
672	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
673		804
674	=over 4	805	=over 4
…		…
902	}	1033	}
903		1034
904	0	1035	0
905	}	1036	}
906		1037
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1039
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1041
911	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
912		1043
…		…
918		1049
919	=cut	1050	=cut
920		1051
921	#############################################################################	1052	#############################################################################
922	# object support	1053	# object support
923	#
924		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
925	sub _can_merge {	1088	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1089	my ($ob1, $ob2) = @_;
927		1090
928	local $Storable::canonical = 1;	1091	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1092
932	$fob1 eq $fob2	1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
933	}	1095	}
934		1096
935	sub reattach {	1097	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1099	my ($obj) = @_;
938		1100
		1101	# no longer needed after getting rid of delete_package?
939	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
940		1103
941	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
942		1105
943	@$registry = ();	1106	@$registry = ();
944		1107
…		…
959	cf::attachable->attach (	1122	cf::attachable->attach (
960	prio => -1000000,	1123	prio => -1000000,
961	on_instantiate => sub {	1124	on_instantiate => sub {
962	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
963		1126
964	$data = from_json $data;	1127	$data = decode_json $data;
965		1128
966	for (@$data) {	1129	for (@$data) {
967	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
968		1131
969	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1148	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
987		1150
988	sync_job {	1151	sync_job {
989	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
992		1156
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
997	close $fh;	1164	aio_close $fh;
998		1165
999	if (@$objs) {	1166	if (@$objs) {
1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1001	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1004	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
1005	close $fh;	1175	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1177	}
1008	} else {	1178	} else {
1009	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1010	}	1180	}
1011		1181
1012	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1186	} else {
1014	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1015	}	1188	}
1016	} else {	1189	} else {
1017	aio_unlink $filename;	1190	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1019	}	1192	}
1020	}	1193	};
1021	}	1194	}
1022		1195
1023	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
1025		1198
…		…
1037	or return;	1210	or return;
1038		1211
1039	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1214	or return;
		1215
1042	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
1043	}	1218	}
1044		1219
		1220	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1222	$decname, length $data, scalar @{$av || []};
		1223
1047	return ($data, $av);	1224	($data, $av)
1048	}	1225	}
1049		1226
1050	=head2 COMMAND CALLBACKS	1227	=head2 COMMAND CALLBACKS
1051		1228
1052	=over 4	1229	=over 4
…		…
1106	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1107		1284
1108	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1109	}	1286	}
1110		1287
		1288	use File::Glob ();
		1289
1111	cf::player->attach (	1290	cf::player->attach (
1112	on_command => sub {	1291	on_command => sub {
1113	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1114		1293
1115	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1125	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1126		1305
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1307
1129	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1135	} else {	1323	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1325	}
1138		1326
1139	cf::override;	1327	cf::override;
1140	},	1328	},
1141	);	1329	);
		1330
		1331	# "readahead" all extensions
		1332	sub cache_extensions {
		1333	my $grp = IO::AIO::aio_group;
		1334
		1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1336	for (grep /\.ext$/, @{$_[0]}) {
		1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1338	}
		1339	};
		1340
		1341	$grp
		1342	}
1142		1343
1143	sub load_extensions {	1344	sub load_extensions {
1144	cf::sync_job {	1345	cf::sync_job {
1145	my %todo;	1346	my %todo;
1146		1347
…		…
1166		1367
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1370
1170	$ext{source} =	1371	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1172	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1173	. $source	1374	. $source
1174	. "\n};\n1";	1375	. "\n};\n1";
1175		1376
1176	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1192	my $msg = $@ ? "$v->{path}: $@\n"	1393	my $msg = $@ ? "$v->{path}: $@\n"
1193	: "$v->{base}: extension inactive.\n";	1394	: "$v->{base}: extension inactive.\n";
1194		1395
1195	if (exists $v->{meta}{mandatory}) {	1396	if (exists $v->{meta}{mandatory}) {
1196	warn $msg;	1397	warn $msg;
1197	warn "mandatory extension failed to load, exiting.\n";	1398	cf::cleanup "mandatory extension failed to load, exiting.";
1198	exit 1;
1199	}	1399	}
1200		1400
1201	warn $msg;	1401	warn $msg;
1202	}	1402	}
1203		1403
…		…
1217		1417
1218	=back	1418	=back
1219		1419
1220	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1221		1421
1222	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1223		1423
1224	=cut	1424	=cut
1225		1425
1226	package cf::player;	1426	package cf::player;
1227		1427
1228	use Coro::AIO;	1428	use Coro::AIO;
1229		1429
1230	=head3 cf::player	1430	=head3 cf::player
1231		1431
1232	=over 4	1432	=over 4
		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
1233		1447
1234	=item cf::player::find $login	1448	=item cf::player::find $login
1235		1449
1236	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1237		1451
…		…
1256		1470
1257	sub exists($) {	1471	sub exists($) {
1258	my ($login) = @_;	1472	my ($login) = @_;
1259		1473
1260	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1262	}	1476	}
1263		1477
1264	sub find($) {	1478	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1480	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1491
1278	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1279	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1280	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1281	}	1501	}
1282	}	1502	}
1283	}	1503	}
1284		1504
…		…
1293	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1294		1514
1295	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1297		1517
		1518	cf::get_slot 0.01;
		1519
1298	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1299	Coro::cede;	1521	cf::cede_to_tick;
1300	}	1522	}
1301		1523
1302	sub new($) {	1524	sub new($) {
1303	my ($login) = @_;	1525	my ($login) = @_;
1304		1526
…		…
1310	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1311		1533
1312	$self	1534	$self
1313	}	1535	}
1314		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1315	=item $pl->quit_character	1547	=item $pl->quit_character
1316		1548
1317	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1319		1551
…		…
1323	my ($pl) = @_;	1555	my ($pl) = @_;
1324		1556
1325	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1326		1558
1327	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1328	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1329		1561
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1331	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1333	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1334		1568
1335	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1372	or return [];	1606	or return [];
1373		1607
1374	my @logins;	1608	my @logins;
1375		1609
1376	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1380		1620
1381	utf8::decode $login;	1621	utf8::decode $login;
1382	push @logins, $login;	1622	push @logins, $login;
1383	}	1623	}
1384		1624
…		…
1411	}	1651	}
1412		1652
1413	\@paths	1653	\@paths
1414	}	1654	}
1415		1655
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1657
1418	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1419		1659
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)	1660	=item $player->ext_reply ($msgid, @msg)
1467		1661
1468	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1469		1663
1470	=cut	1664	=cut
1471		1665
1472	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1474		1668
1475	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1670	}
1478		1671
1479	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1480		1673
1481	Sends an ext event to the client.	1674	Sends an ext event to the client.
1482		1675
1483	=cut	1676	=cut
1484		1677
1485	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1487		1680
1488	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1489	}	1682	}
1490		1683
1491	=head3 cf::region	1684	=head3 cf::region
1492		1685
1493	=over 4	1686	=over 4
…		…
1537	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1539		1732
1540	sub generate_random_map {	1733	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1542	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1543	$self->_create_random_map (	1739	$self->_create_random_map (
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1668		1864
1669	# the temporary/swap location	1865	# the temporary/swap location
1670	sub save_path {	1866	sub save_path {
1671	my ($self) = @_;	1867	my ($self) = @_;
1672		1868
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1675	}	1871	}
1676		1872
1677	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1678	sub uniq_path {	1874	sub uniq_path {
1679	my ($self) = @_;	1875	my ($self) = @_;
1680		1876
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	1878	"$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	}	1879	}
1693		1880
1694	sub decay_objects {	1881	sub decay_objects {
1695	my ($self) = @_;	1882	my ($self) = @_;
1696		1883
…		…
1709		1896
1710	sub load_header_from($) {	1897	sub load_header_from($) {
1711	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1712		1899
1713	utf8::encode $path;	1900	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1719		1909
1720	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1721		1911
1722	1	1912	1
1723	}	1913	}
…		…
1777	sub find {	1967	sub find {
1778	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1779		1969
1780	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1781		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1783		1974
1784	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1787	or return;	1977	or return;
1788		1978
1789	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1790		1980
…		…
1792	or return;	1982	or return;
1793		1983
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1797	$map->reset;	1989	$map->reset;
1798	undef $guard;
1799	return find $path;	1990	return find $path;
1800	}	1991	}
1801		1992
1802	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1803	}	1994	}
…		…
1812	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1813		2004
1814	my $path = $self->{path};	2005	my $path = $self->{path};
1815		2006
1816	{	2007	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1818		2009
		2010	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1820		2012
1821	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1822		2014
1823	$self->alloc;	2015	$self->alloc;
1824		2016
1825	$self->pre_load;	2017	$self->pre_load;
1826	Coro::cede;	2018	cf::cede_to_tick;
1827		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1828	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1829	or return;	2023	or return;
1830		2024
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1832	if delete $self->{load_original};	2026	if delete $self->{load_original};
1833		2027
1834	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2029	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2032	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1839	}	2036	}
1840	}	2037	}
1841		2038
1842	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1843	# now do the right thing for maps	2042	# now do the right thing for maps
1844	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2045	unless $self->difficulty;
1847	Coro::cede;	2046	cf::cede_to_tick;
1848		2047
1849	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2049	$self->decay_objects;
1851	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1852	$self->update_buttons;	2051	$self->update_buttons;
1853	Coro::cede;	2052	cf::cede_to_tick;
1854	$self->set_darkness_map;
1855	Coro::cede;
1856	$self->activate;	2053	$self->activate;
1857	}	2054	}
1858		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1860	}	2060	}
1861		2061
1862	$self->post_load;	2062	$self->post_load;
1863	}	2063	}
1864		2064
…		…
1873		2073
1874	$self	2074	$self
1875	}	2075	}
1876		2076
1877	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {	2078	sub load_neighbours {
1879	my ($map) = @_;	2079	my ($map) = @_;
1880		2080
1881	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1882		2082
1883	for (0 .. 3) {	2083	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1885	or next;	2085	or next;
1886	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1887	or next;	2087	or next;
1888	$neigh->load;	2088	$neigh->load;
1889		2089
		2090	push @neigh,
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}	2093	}
1893		2094
1894	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1895	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1896	or next;	2098	or next;
1897	$neigh->load;	2099	$neigh->load;
1898	}	2100	}
1899	}	2101	}
1900		2102
…		…
1905	}	2107	}
1906		2108
1907	sub do_load_sync {	2109	sub do_load_sync {
1908	my ($map) = @_;	2110	my ($map) = @_;
1909		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1910	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1911	}	2116	}
1912		2117
1913	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1915		2120
1916	sub find_async {	2121	sub find_async {
1917	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1918		2123
1919	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1920		2125
1921	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1923	}	2128	}
1924		2129
1925	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1926	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1927	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2137	if (my $map = find $k) {
1930	$map->load;	2138	$map->load if $v;
1931	}	2139	}
1932		2140
1933	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1934	}	2142	}
1935	}	2143	}
1936	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1937	};	2145	};
1938	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1941	}	2149	}
1942		2150
1943	sub save {	2151	sub save {
1944	my ($self) = @_;	2152	my ($self) = @_;
1945		2153
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1947		2155
1948	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1949		2157
1950	return unless $self->dirty;	2158	return unless $self->dirty;
1951		2159
…		…
1957	return if $self->{deny_save};	2165	return if $self->{deny_save};
1958		2166
1959	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1960		2168
1961	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1963	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1964		2175
1965	if ($uniq) {	2176	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2179	} else {
…		…
1974	my ($self) = @_;	2185	my ($self) = @_;
1975		2186
1976	# save first because save cedes	2187	# save first because save cedes
1977	$self->save;	2188	$self->save;
1978		2189
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2191
1981	return if $self->players;	2192	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1983	return if $self->{deny_save};	2194	return if $self->{deny_save};
1984		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1985	$self->clear;	2200	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2201	}
1988		2202
1989	sub reset_at {	2203	sub reset_at {
1990	my ($self) = @_;	2204	my ($self) = @_;
1991		2205
…		…
2023	if $uniq;	2237	if $uniq;
2024	}	2238	}
2025		2239
2026	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
2027		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2244	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2245
2032	$self->unlink_save;	2246	$self->unlink_save;
2033	$self->destroy;	2247	$self->destroy;
2034	}	2248	}
2035		2249
2036	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
2037		2251
2038	sub nuke {	2252	sub nuke {
2039	my ($self) = @_;	2253	my ($self) = @_;
2040		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
2041	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
2042		2259
2043	$self->unlink_save;	2260	$self->unlink_save;
2044		2261
2045	bless $self, "cf::map";	2262	bless $self, "cf::map";
2046	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2267
2051	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
2052		2270
2053	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
2054	}	2272	}
2055		2273
2056	=item $maps = cf::map::tmp_maps	2274	=item $maps = cf::map::tmp_maps
…		…
2098		2316
2099	sub unique_maps() {	2317	sub unique_maps() {
2100	[	2318	[
2101	map {	2319	map {
2102	utf8::decode $_;	2320	utf8::decode $_;
2103	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
2104	? normalise $_	2324	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2326	]
2108	}	2327	}
2109		2328
2110	package cf;
2111
2112	=back	2329	=back
2113		2330
2114	=head3 cf::object	2331	=head3 cf::object
2115		2332
2116	=cut	2333	=cut
…		…
2119		2336
2120	=over 4	2337	=over 4
2121		2338
2122	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
2123		2340
2124	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
2125		2343
2126	=cut	2344	=cut
2127		2345
2128	sub inv_recursive_;	2346	sub inv_recursive_;
2129	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
2132		2350
2133	sub inv_recursive {	2351	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
2135	}	2353	}
2136		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
2137	package cf;	2383	package cf;
2138		2384
2139	=back	2385	=back
2140		2386
2141	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	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	2394	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2150		2396
2151	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
2152		2412
2153	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2414	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
2163		2423
2164	} else {	2424	} else {
2165	my $pl = $self->contr;	2425	my $pl = $self->contr;
2166		2426
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2429	$dialog->{pl}->ext_msg ($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		2430
2176	} else {	2431	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2434	}
2180	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
2181	}	2446	}
2182		2447
2183	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
2184		2449
2185	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
2198		2463
2199	=item $player_object->enter_link	2464	=item $player_object->enter_link
2200		2465
2201	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
2202		2467
2203	The player should be reasonably safe there for short amounts of time. You	2468	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.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
2205		2472
2206	Will never block.	2473	Will never block.
2207		2474
2208	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2209		2476
…		…
2264	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
2267		2534
2268	$map->load;	2535	$map->load;
2269	$map->load_diag;	2536	$map->load_neighbours;
2270		2537
2271	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2272	$self->activate_recursive;	2540	$self->activate_recursive;
2273		2541
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2276	}	2544	}
…		…
2281	her, loading and preparing them map, calling the provided $check callback	2549	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	2550	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	2551	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2552	be called at the end of this process.
2285		2553
		2554	Note that $check will be called with a potentially non-loaded map, so if
		2555	it needs a loaded map it has to call C<< ->load >>.
		2556
2286	=cut	2557	=cut
2287		2558
2288	our $GOTOGEN;	2559	our $GOTOGEN;
2289		2560
2290	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
…		…
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2566
2296	$self->enter_link;	2567	$self->enter_link;
2297		2568
2298	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
2299	my $map = eval {	2591	my $map = eval {
2300	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
2301		2593
2302	if ($map) {	2594	if ($map) {
2303	$map = $map->customise_for ($self);	2595	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2596	$map = $check->($map) if $check && $map;
2305	} else {	2597	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2599	}
2308		2600
2309	$map	2601	$map
2310	};	2602	};
2311		2603
…		…
2347	}	2639	}
2348		2640
2349	sub prepare_random_map {	2641	sub prepare_random_map {
2350	my ($exit) = @_;	2642	my ($exit) = @_;
2351		2643
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2646	# that depends on the exit object
2357		2647
2358	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2650	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2365	}	2657	}
2366		2658
2367	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2368		2660
2369	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2372		2664
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2667	undef $fh;
2376	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2377		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2380	}	2676	}
2381	}	2677	}
2382		2678
2383	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2385		2681
2386	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2387		2683
2388	if ($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;	2684	$self->enter_link;
2400		2685
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 {	2686	(async {
2406	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2407	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2408	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2409		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2410	1;	2710	1
2411	}) {	2711	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2416		2716
2417	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	2745	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	2746	the message unless the client supports the msg packet.
2447		2747
2448	=cut	2748	=cut
2449		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
2450	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2452		2854
2453	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2454		2857
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
2457	if (ref $channel) {	2867	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	2871	$self->ext_msg (channel_info => $channel);
2462	}	2872	}
2463		2873
2464	$channel = $channel->{id};	2874	$channel = $channel->{id};
2465	}	2875	}
2466		2876
2467	return unless @extra || length $msg;	2877	return unless @extra || length $msg;
2468		2878
2469	if ($self->can_msg) {	2879	# default colour, mask it out
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2471	} else {	2881	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		2882
2482	if ($color >= 0) {	2883	my $pkt = "msg "
2483	if (0 && $msg =~ /\[/) {	2884	. $self->{json_coder}->encode (
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2485	} else {	2886	);
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
2493	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2494		2902
2495	Sends an ext event to the client.	2903	Sends an ext event to the client.
2496		2904
2497	=cut	2905	=cut
2498		2906
2499	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2501		2909
2502	return unless $self->extcmd;	2910	if ($self->extcmd == 2) {
2503		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
2506	}	2934	}
2507		2935
2508	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2509		2937
2510	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	2993	my ($ns, $buf) = @_;
2566		2994
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		2996
2569	if (ref $msg) {	2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3005	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3006	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
2576	} else {	3012	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3014	}
2579		3015
2580	cf::override;	3016	cf::override;
…		…
2627	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2629		3065
2630	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2631		3067
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2633		3073
2634	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2635		3075
2636	=pod	3076	=pod
2637		3077
2638	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2639		3079
2640	cf::object	3080	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3081	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3082	insert remove name archname title slaying race decrease split
		3083	value
2643		3084
2644	cf::object::player	3085	cf::object::player
2645	player	3086	player
2646		3087
2647	cf::player	3088	cf::player
…		…
2652		3093
2653	=cut	3094	=cut
2654		3095
2655	for (	3096	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2658	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2660	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2661	) {	3103	) {
2662	no strict 'refs';	3104	no strict 'refs';
2663	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2664	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2681	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2682		3124
2683	my $qcode = $code;	3125	my $qcode = $code;
2684	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2685	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2686		3130
2687	local $_;	3131	local $_;
2688	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2689		3133
2690	my $eval =	3134	my $eval =
…		…
2738	# the server's init and main functions	3182	# the server's init and main functions
2739		3183
2740	sub load_facedata($) {	3184	sub load_facedata($) {
2741	my ($path) = @_;	3185	my ($path) = @_;
2742		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3192
2743	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2744		3194
2745	my $facedata;	3195	my $facedata;
2746	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
2747	or die "$path: $!";	3197	or die "$path: $!";
…		…
2749	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2750		3200
2751	$facedata->{version} == 2	3201	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
2754	{	3211	{
2755	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2756		3213
2757	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2759	cf::face::set_visibility $idx, $info->{visibility};	3217	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2763		3221
2764	cf::cede_to_tick;	3222	cf::cede_to_tick;
2765	}	3223	}
2766		3224
2767	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2769	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2770	or next;	3229	or next;
		3230
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3232	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3234	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2792		3252
2793	{	3253	{
2794	# TODO: for gcfclient pleasure, we should give resources	3254	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.	3255	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3256	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3257
2799	while (my ($name, $info) = each %$res) {	3258	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3259	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;	3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
2807		3262
2808	if ($name =~ /\.jpg$/) {	3263	if ($info->{type} & 1) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3264	# prepend meta info
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
2811	} else {	3278	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3279	$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	}	3280	}
2818		3281
2819	cf::cede_to_tick;	3282	cf::cede_to_tick;
2820	}	3283	}
2821	}	3284	}
2822		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
2823	1	3288	1
2824	}	3289	}
2825		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
2826	sub reload_regions {	3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
2827	load_resource_file "$MAPDIR/regions"	3334	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3335	or die "unable to load regions file\n";
2829		3336
2830	for (cf::region::list) {	3337	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3338	$_->{match} = qr/$_->{match}/
…		…
2839	}	3346	}
2840		3347
2841	sub reload_archetypes {	3348	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3349	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3350	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	}	3351	}
2850		3352
2851	sub reload_treasures {	3353	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3354	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3355	or die "unable to load treasurelists\n";
2854	}	3356	}
2855		3357
2856	sub reload_resources {	3358	sub reload_resources {
2857	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
2858		3360
		3361	reload_facedata;
		3362	reload_archetypes;
2859	reload_regions;	3363	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3364	reload_treasures;
2864		3365
2865	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
2866	}	3367	}
2867		3368
2868	sub init {	3369	sub reload_config {
2869	reload_resources;
2870	}
2871
2872	sub cfg_load {
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2874	or return;	3371	or return;
2875		3372
2876	local $/;	3373	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2878		3375
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2880		3377
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$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};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2888	};	3385	};
2889	warn $@ if $@;	3386	warn $@ if $@;
2890	}	3387	}
2891	}	3388	}
2892		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2893	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2894	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3436	(async {
2898	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2900	};	3440	};
2901		3441
2902	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2903	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2904	load_extensions;	3460	load_extensions;
2905		3461
2906	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2907	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
2908	}	3471	}
2909		3472
2910	#############################################################################	3473	#############################################################################
2911	# initialisation and cleanup	3474	# initialisation and cleanup
2912		3475
2913	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2914	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3480	$SIGWATCHER{$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";	3481	cf::cleanup "SIG$signal";
2923	},
2924	);	3482	};
2925	}	3483	}
2926	}	3484	}
2927		3485
2928	sub write_runtime {	3486	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";
2930
2931	# first touch the runtime file to show we are still running:	3487	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3488	# the fsync below can take a very very long time.
2933		3489
2934	IO::AIO::aio_utime $runtime, undef, undef;	3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3491
2936	my $guard = cf::lock_acquire "write_runtime";	3492	my $guard = cf::lock_acquire "write_runtime";
2937		3493
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2939	or return;	3495	or return;
2940		3496
2941	my $value = $cf::RUNTIME + 90 + 10;	3497	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3498	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3499	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3509	aio_utime $fh, undef, undef;
2954		3510
2955	close $fh	3511	close $fh
2956	or return;	3512	or return;
2957		3513
2958	aio_rename "$runtime~", $runtime	3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3515	and return;
2960		3516
2961	warn "runtime file written.\n";	3517	warn "runtime file written.\n";
2962		3518
2963	1	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
2964	}	3570	}
2965		3571
2966	sub emergency_save() {	3572	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2968		3574
2969	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2970		3576
2971	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
2972	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3591	$pl->save;
2980	}	3592	}
2981	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2982		3594
2983	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3598	$map->valid or next;
2987	$map->save;	3599	$map->save;
2988	}	3600	}
2989	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2990		3602
2991	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
2994	};	3610	};
2995		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
2996	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2997	}	3618	}
2998		3619
2999	sub post_cleanup {	3620	sub post_cleanup {
3000	my ($make_core) = @_;	3621	my ($make_core) = @_;
3001		3622
3002	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
3004	}	3654	}
3005		3655
3006	sub do_reload_perl() {	3656	sub do_reload_perl() {
3007	# can/must only be called in main	3657	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
3009	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
3010	return;	3660	return;
3011	}	3661	}
3012		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
3013	warn "reloading...";	3668	warn "reloading...";
3014		3669
3015	warn "entering sync_job";	3670	warn "entering sync_job";
3016		3671
3017	cf::sync_job {	3672	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
3019	cf::emergency_save;	3674	cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3021		3676
3022	warn "syncing database to disk";	3677	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
3024		3679
3025	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
3026		3681
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
3038	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3039	}
3040
3041	++$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	}	3685	}
3064		3686
3065	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
3066	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
3067	}	3689	%EXT_CORO = ();
3068		3690
3069	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
3070	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
3073	warn "... unloading $k";	3700	warn "... unloading $pkg";
3074	delete $INC{$k};
3075		3701
3076	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;
3078
3079	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
3080	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
3081	}	3711	}
3082		3712
3083	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
3084	}	3728	}
3085		3729
3086	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		3733
3090	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3093		3737
3094	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
3095	# and global variables created in xs	3739	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
3097		3741
3098	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
3099		3743
3100	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
3101	require cf;	3745	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3103		3747
3104	warn "loading config and database again";	3748	warn "loading config and database again";
3105	cf::cfg_load;	3749	cf::reload_config;
3106		3750
3107	warn "loading extensions";	3751	warn "loading extensions";
3108	cf::load_extensions;	3752	cf::load_extensions;
3109		3753
		3754	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
3113	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
3116		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
3117	warn "leaving sync_job";	3766	warn "leaving sync_job";
3118		3767
3119	1	3768	1
3120	} or do {	3769	} or do {
3121	warn $@;	3770	warn $@;
3122	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
3123	exit 1;
3124	};	3772	};
3125		3773
3126	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
3127	};	3780	};
3128		3781
3129	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
3130		3783
3131	sub reload_perl() {	3784	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
3134		3787
3135	$RELOAD_WATCHER ||= Event->timer (	3788	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	3789	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	3790
3138	data => WF_AUTOCANCEL,	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	3792	do_reload_perl;
3141	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
3142	},	3794	};
3143	);	3795	};
3144	}	3796	}
3145		3797
3146	register_command "reload" => sub {	3798	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
3148		3800
3149	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	3805	reload_perl;
		3806	};
3152	}	3807	}
3153	};	3808	};
3154		3809
3155	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
3156		3811
…		…
3158		3813
3159	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
3161		3816
3162	sub wait_for_tick {	3817	sub wait_for_tick {
3163	return unless $TICK_WATCHER->is_active;
3164	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
3165		3819
3166	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
3167	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;	3822	$signal->wait;
3169	}	3823	}
3170		3824
3171	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
3172	return unless $TICK_WATCHER->is_active;
3173	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
3174		3827
3175	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	3830	$signal->wait;
3178	}	3831	}
3179		3832
3180	my $min = 1e6;#d#	3833	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 != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
3192	return;	3837	return;
3193	}	3838	}
3194		3839
3195	$NOW = $tick_start = Event::time;
3196
3197	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
3198		3841
3199	0 && sync_job {#d#	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	3844	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3845	$Coro::current->{desc} = "runtime saver";
3203	or die;	3846	write_runtime_sync
3204		3847	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	};	3848	};
		3849	}
3221		3850
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) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	3852	$sig->send;
3238	}	3853	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
3240	$sig->send;	3855	$sig->send;
3241	}	3856	}
3242		3857
3243	$NOW = Event::time;	3858	$LOAD = ($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;	3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		3860
3254	_post_tick;	3861	if (0) {
3255		3862	if ($NEXT_TICK) {
3256		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
3257	},	3867	}
3258	);	3868	}
3259		3869
3260	{	3870	{
3261	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	3872
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;	3873	BDB::min_parallel 8;
3271		3874	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	3875	$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	$! = $status;
3283	},
3284	)
3285	};
3286		3876
3287	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		3884
3290	cf::sync_job {	3885	cf::sync_job {
3291	eval {	3886	eval {
3292	BDB::db_env_open	3887	BDB::db_env_open
3293	$DB_ENV,	3888	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	3892	0666;
3298		3893
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3894	cf::cleanup "db_env_open($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	};	3895	};
3304		3896
3305	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	3898	};
3307	}	3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
3308	}	3910	}
3309		3911
3310	{	3912	{
		3913	# configure IO::AIO
		3914
3311	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	3917	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	}	3918	}
3324		3919
3325	my $_log_backtrace;	3920	my $_log_backtrace;
3326		3921
3327	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
3330	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
3331		3926
3332	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
3334	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
3335	async {	3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
3336	my @bt = fork_call {	3934	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	3938	or die "addr2line: $!";
…		…
3348	}	3946	}
3349		3947
3350	@funcs	3948	@funcs
3351	};	3949	};
3352		3950
3353	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	3954	--$_log_backtrace;
3356	};	3955	};
3357	} else {	3956	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3359	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3360	}	3959	}
3361	}	3960	}
3362		3961
3363	# load additional modules	3962	# load additional modules
3364	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3365		3964
3366	END { cf::emergency_save }	3965	END { cf::emergency_save }
3367		3966
3368	1	3967	1
3369		3968

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