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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.320 by root, Tue Jul 24 22:49:40 2007 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 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
…		…
177		222
178	=back	223	=back
179		224
180	=cut	225	=cut
181		226
182	BEGIN {	227	$Coro::State::WARNHOOK = sub {
183	*CORE::GLOBAL::warn = sub {
184	my $msg = join "", @_;	228	my $msg = join "", @_;
185		229
186	$msg .= "\n"	230	$msg .= "\n"
187	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
188		232
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		234
191	utf8::encode $msg;
192	LOG llevError, $msg;	235	LOG llevError, $msg;
193	};	236	};
194	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($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	Coro::terminate
		250	};
195		251
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	262	for my $pkg (qw(
207	cf::global cf::attachable	263	cf::global cf::attachable
208	cf::object cf::object::player	264	cf::object cf::object::player
209	cf::client cf::player	265	cf::client cf::player
210	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
211	cf::map cf::party cf::region	268	cf::party cf::region
212	)) {	269	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	271	}
216		272
217	$Event::DIED = sub {	273	$EV::DIED = sub {
218	warn "error in event callback: @_";	274	warn "error in event callback: @_";
219	};	275	};
220		276
221	#############################################################################	277	#############################################################################
222		278
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	302	$d
247	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
248	}	304	}
249		305
250	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
251		307
252	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
253		309
254	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
255		311
256	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
257		313
258	=cut	314	=cut
259		315
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		317
262	sub to_json ($) { $json_coder->encode ($_[0]) }	318	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
264		334
265	=item cf::lock_wait $string	335	=item cf::lock_wait $string
266		336
267	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
268		338
269	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
270		340
271	Wait until the given lock is available and then acquires it and returns	341	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,	342	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	343	for example when the coroutine gets canceled), the lock is automatically
274	returned.	344	returned.
275		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
276	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
278		351
279	=item $locked = cf::lock_active $string	352	=item $locked = cf::lock_active $string
280		353
281	Return true if the lock is currently active, i.e. somebody has locked it.	354	Return true if the lock is currently active, i.e. somebody has locked it.
282		355
283	=cut	356	=cut
284		357
285	our %LOCK;	358	our $LOCKS = new Coro::SemaphoreSet;
286		359
287	sub lock_wait($) {	360	sub lock_wait($) {
288	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	362	}
296		363
297	sub lock_acquire($) {	364	sub lock_acquire($) {
298	my ($key) = @_;	365	$LOCKS->guard ($_[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	}	366	}
310		367
311	sub lock_active($) {	368	sub lock_active($) {
312	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	370	}
316		371
317	sub freeze_mainloop {	372	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
319		374
320	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	376	}
322	};	377
323	$TICK_WATCHER->stop;	378	=item cf::periodic $interval, $cb
324	$guard	379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
325	}	391	}
326		392
327	=item cf::get_slot $time[, $priority[, $name]]	393	=item cf::get_slot $time[, $priority[, $name]]
328		394
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	406	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	407	our $SLOT_QUEUE;
342		408
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
345	my $signal = new Coro::Signal;	413	my $signal = new Coro::Signal;
346		414
347	while () {	415	while () {
348	next_job:	416	next_job:
349	my $avail = cf::till_tick;	417	my $avail = cf::till_tick;
…		…
357	}	425	}
358	}	426	}
359	}	427	}
360		428
361	if (@SLOT_QUEUE) {	429	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	431	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	432	$signal->wait;
365	} else {	433	} else {
366	Coro::schedule;	434	Coro::schedule;
367	}	435	}
368	}	436	}
369	};	437	};
370		438
371	sub get_slot($;$$) {	439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
372	my ($time, $pri, $name) = @_;	442	my ($time, $pri, $name) = @_;
373		443
374	$time = $TICK * .6 if $time > $TICK * .6;	444	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	445	my $sig = new Coro::Signal;
376		446
…		…
390		460
391	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
392		462
393	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
394		464
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	465	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	466	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	468	acceptable.
399		469
400	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		476
407	sub sync_job(&) {	477	sub sync_job(&) {
408	my ($job) = @_;	478	my ($job) = @_;
409		479
410	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	481	my $time = EV::time;
412		482
413	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
415		485
416	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	487
418	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
419		489
420	my $busy = 1;	490	my $busy = 1;
421	my @res;	491	my @res;
422		492
423	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	495	@res = eval { $job->() };
425	warn $@ if $@;	496	warn $@ if $@;
426	undef $busy;	497	undef $busy;
427	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
428		499
429	while ($busy) {	500	while ($busy) {
430	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
431	}	505	}
		506	}
432		507
433	$time = Event::time - $time;	508	my $time = EV::time - $time;
434		509
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	510	$TICK_START += $time; # do not account sync jobs to server load
439		511
440	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
441	} else {	513	} else {
442	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
443		515
…		…
468	=item fork_call { }, $args	540	=item fork_call { }, $args
469		541
470	Executes the given code block with the given arguments in a seperate	542	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	543	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	544	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	545	never block itself or use any form of event handling.
474		546
475	=cut	547	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		548
486	sub fork_call(&@) {	549	sub fork_call(&@) {
487	my ($cb, @args) = @_;	550	my ($cb, @args) = @_;
488		551
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	552	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	553	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	554	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		555
494	if (my $pid = fork) {	556	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	557	reset_signals;
508	local $SIG{__WARN__};	558	&$cb
509	local $SIG{__DIE__};	559	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		560
516	eval {	561	wantarray ? @res : $res[-1]
517	close $fh1;	562	}
518		563
519	my @res = eval { $cb->(@args) };	564	=item $coin = coin_from_name $name
520		565
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	566	=cut
522	close $fh2;
523	};
524		567
525	warn $@ if $@;	568	our %coin_alias = (
526	_exit 0;	569	"silver" => "silvercoin",
527	}	570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
528	}	589	}
529		590
530	=item $value = cf::db_get $family => $key	591	=item $value = cf::db_get $family => $key
531		592
532	Returns a single value from the environment database.	593	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	595	=item cf::db_put $family => $key => $value
535		596
536	Stores the given C<$value> in the family. It can currently store binary	597	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
539	=cut	605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
540		623
541	our $DB;	624	our $DB;
542		625
543	sub db_init {	626	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	627	cf::sync_job {
548	eval {	628	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	629	};
558	}	630	}
559		631
560	sub db_get($$) {	632	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	633	my $key = "$_[0]/$_[1]";
562		634
…		…
612	if (1) {	684	if (1) {
613	$md5 =	685	$md5 =
614	join "\x00",	686	join "\x00",
615	$processversion,	687	$processversion,
616	map {	688	map {
617	Coro::cede;	689	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	690	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	691	} 0.. $#$src;
620		692
621		693
622	my $dbmd5 = db_get cache => "$id/md5";	694	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		732
661	#############################################################################	733	#############################################################################
662		734
663	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
664		736
665	Many objects in crossfire are so-called attachable objects. That means you can	737	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
668		740
669	In the following description, CLASS can be any of C<global>, C<object>	741	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	743	Deliantra).
672		744
673	=over 4	745	=over 4
674		746
675	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
676		748
…		…
720	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
721		793
722	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
724		796
725	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
727		799
728	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
729		801
730	=over 4	802	=over 4
…		…
958	}	1030	}
959		1031
960	0	1032	0
961	}	1033	}
962		1034
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1036
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1038
967	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
968		1040
…		…
974		1046
975	=cut	1047	=cut
976		1048
977	#############################################################################	1049	#############################################################################
978	# object support	1050	# object support
979	#
980		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
981	sub _can_merge {	1085	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1086	my ($ob1, $ob2) = @_;
983		1087
984	local $Storable::canonical = 1;	1088	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1089
988	$fob1 eq $fob2	1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
989	}	1092	}
990		1093
991	sub reattach {	1094	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1096	my ($obj) = @_;
994		1097
		1098	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1100
997	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
998		1102
999	@$registry = ();	1103	@$registry = ();
1000		1104
…		…
1015	cf::attachable->attach (	1119	cf::attachable->attach (
1016	prio => -1000000,	1120	prio => -1000000,
1017	on_instantiate => sub {	1121	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
1019		1123
1020	$data = from_json $data;	1124	$data = decode_json $data;
1021		1125
1022	for (@$data) {	1126	for (@$data) {
1023	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
1024		1128
1025	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1145	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
1043		1147
1044	sync_job {	1148	sync_job {
1045	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
1048		1153
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	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;
		1159	aio_fsync $fh;
		1160	}
1053	close $fh;	1161	aio_close $fh;
1054		1162
1055	if (@$objs) {	1163	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	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;
		1170	aio_fsync $fh;
		1171	}
1061	close $fh;	1172	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1174	}
1064	} else {	1175	} else {
1065	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
1066	}	1177	}
1067		1178
1068	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1183	} else {
1070	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
1071	}	1185	}
1072	} else {	1186	} else {
1073	aio_unlink $filename;	1187	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1075	}	1189	}
1076	}	1190	};
1077	}	1191	}
1078		1192
1079	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
1081		1195
…		…
1093	or return;	1207	or return;
1094		1208
1095	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1211	or return;
		1212
1098	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
1099	}	1215	}
1100		1216
		1217	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1219	$decname, length $data, scalar @{$av || []};
		1220
1103	return ($data, $av);	1221	($data, $av)
1104	}	1222	}
1105		1223
1106	=head2 COMMAND CALLBACKS	1224	=head2 COMMAND CALLBACKS
1107		1225
1108	=over 4	1226	=over 4
…		…
1162	my ($name, $cb) = @_;	1280	my ($name, $cb) = @_;
1163		1281
1164	$EXTICMD{$name} = $cb;	1282	$EXTICMD{$name} = $cb;
1165	}	1283	}
1166		1284
		1285	use File::Glob ();
		1286
1167	cf::player->attach (	1287	cf::player->attach (
1168	on_command => sub {	1288	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
1170		1290
1171	my $cb = $COMMAND{$name}	1291	my $cb = $COMMAND{$name}
…		…
1186	my ($type, $reply, @payload) =	1306	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1307	"ARRAY" eq ref $msg
1188	? @$msg	1308	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1310
		1311	my @reply;
		1312
1191	if (my $cb = $EXTCMD{$type}) {	1313	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1314	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
1197	} else {	1320	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1322	}
1200		1323
1201	cf::override;	1324	cf::override;
1202	},	1325	},
1203	);	1326	);
		1327
		1328	# "readahead" all extensions
		1329	sub cache_extensions {
		1330	my $grp = IO::AIO::aio_group;
		1331
		1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1333	for (grep /\.ext$/, @{$_[0]}) {
		1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1335	}
		1336	};
		1337
		1338	$grp
		1339	}
1204		1340
1205	sub load_extensions {	1341	sub load_extensions {
1206	cf::sync_job {	1342	cf::sync_job {
1207	my %todo;	1343	my %todo;
1208		1344
…		…
1228		1364
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1367
1232	$ext{source} =	1368	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
1235	. $source	1371	. $source
1236	. "\n};\n1";	1372	. "\n};\n1";
1237		1373
1238	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1390	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1391	: "$v->{base}: extension inactive.\n";
1256		1392
1257	if (exists $v->{meta}{mandatory}) {	1393	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1394	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1395	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1396	}
1262		1397
1263	warn $msg;	1398	warn $msg;
1264	}	1399	}
1265		1400
…		…
1279		1414
1280	=back	1415	=back
1281		1416
1282	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1283		1418
1284	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1285		1420
1286	=cut	1421	=cut
1287		1422
1288	package cf::player;	1423	package cf::player;
1289		1424
1290	use Coro::AIO;	1425	use Coro::AIO;
1291		1426
1292	=head3 cf::player	1427	=head3 cf::player
1293		1428
1294	=over 4	1429	=over 4
		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
1295		1444
1296	=item cf::player::find $login	1445	=item cf::player::find $login
1297		1446
1298	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
1299		1448
…		…
1318		1467
1319	sub exists($) {	1468	sub exists($) {
1320	my ($login) = @_;	1469	my ($login) = @_;
1321		1470
1322	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1324	}	1473	}
1325		1474
1326	sub find($) {	1475	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1477	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1487	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1488
1340	my $pl = load_pl path $login	1489	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1343	}	1498	}
1344	}	1499	}
1345	}	1500	}
1346		1501
…		…
1355	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1356		1511
1357	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1359		1514
		1515	cf::get_slot 0.01;
		1516
1360	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1361	Coro::cede;	1518	cf::cede_to_tick;
1362	}	1519	}
1363		1520
1364	sub new($) {	1521	sub new($) {
1365	my ($login) = @_;	1522	my ($login) = @_;
1366		1523
…		…
1372	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1373		1530
1374	$self	1531	$self
1375	}	1532	}
1376		1533
		1534	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1535
		1536	=cut
		1537
		1538	sub send_msg {
		1539	my $ns = shift->ns
		1540	or return;
		1541	$ns->send_msg (@_);
		1542	}
		1543
1377	=item $pl->quit_character	1544	=item $pl->quit_character
1378		1545
1379	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1381		1548
…		…
1385	my ($pl) = @_;	1552	my ($pl) = @_;
1386		1553
1387	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1388		1555
1389	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1558
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1396		1565
1397	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1603	or return [];
1435		1604
1436	my @logins;	1605	my @logins;
1437		1606
1438	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1442		1617
1443	utf8::decode $login;	1618	utf8::decode $login;
1444	push @logins, $login;	1619	push @logins, $login;
1445	}	1620	}
1446		1621
…		…
1473	}	1648	}
1474		1649
1475	\@paths	1650	\@paths
1476	}	1651	}
1477		1652
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1654
1480	Expand crossfire pod fragments into protocol xml.	1655	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1656
1528	=item $player->ext_reply ($msgid, @msg)	1657	=item $player->ext_reply ($msgid, @msg)
1529		1658
1530	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1531		1660
1532	=cut	1661	=cut
1533		1662
1534	sub ext_reply($$@) {	1663	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1664	my ($self, $id, @msg) = @_;
1536		1665
1537	if ($self->ns->extcmd == 2) {	1666	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1667	}
1545		1668
1546	=item $player->ext_msg ($type, @msg)	1669	=item $player->ext_msg ($type, @msg)
1547		1670
1548	Sends an ext event to the client.	1671	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1606		1729
1607	sub generate_random_map {	1730	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1609	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1736	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1735		1861
1736	# the temporary/swap location	1862	# the temporary/swap location
1737	sub save_path {	1863	sub save_path {
1738	my ($self) = @_;	1864	my ($self) = @_;
1739		1865
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1742	}	1868	}
1743		1869
1744	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1745	sub uniq_path {	1871	sub uniq_path {
1746	my ($self) = @_;	1872	my ($self) = @_;
1747		1873
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1876	}
1760		1877
1761	sub decay_objects {	1878	sub decay_objects {
1762	my ($self) = @_;	1879	my ($self) = @_;
1763		1880
…		…
1776		1893
1777	sub load_header_from($) {	1894	sub load_header_from($) {
1778	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1779		1896
1780	utf8::encode $path;	1897	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1786		1906
1787	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1788		1908
1789	1	1909	1
1790	}	1910	}
…		…
1844	sub find {	1964	sub find {
1845	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1846		1966
1847	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1848		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1850		1971
1851	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1854	or return;	1974	or return;
1855		1975
1856	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1857		1977
…		…
1859	or return;	1979	or return;
1860		1980
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1864	$map->reset;	1986	$map->reset;
1865	undef $guard;
1866	return find $path;	1987	return find $path;
1867	}	1988	}
1868		1989
1869	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1870	}	1991	}
…		…
1879	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1880		2001
1881	my $path = $self->{path};	2002	my $path = $self->{path};
1882		2003
1883	{	2004	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1885		2006
		2007	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2009
1888	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1889		2011
1890	$self->alloc;	2012	$self->alloc;
1891		2013
1892	$self->pre_load;	2014	$self->pre_load;
1893	Coro::cede;	2015	cf::cede_to_tick;
1894		2016
		2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2019	$self->_load_objects ($f)
1896	or return;	2020	or return;
1897		2021
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1899	if delete $self->{load_original};	2023	if delete $self->{load_original};
1900		2024
1901	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2026	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2029	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1906	}	2033	}
1907	}	2034	}
1908		2035
1909	Coro::cede;	2036	$f->resolve_delayed_derefs;
		2037
		2038	cf::cede_to_tick;
1910	# now do the right thing for maps	2039	# now do the right thing for maps
1911	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2042	unless $self->difficulty;
1914	Coro::cede;	2043	cf::cede_to_tick;
1915		2044
1916	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2046	$self->decay_objects;
1918	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
1919	$self->update_buttons;	2048	$self->update_buttons;
1920	Coro::cede;	2049	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2050	$self->activate;
1924	}	2051	}
1925		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2057	}
1928		2058
1929	$self->post_load;	2059	$self->post_load;
1930	}	2060	}
1931		2061
…		…
1940		2070
1941	$self	2071	$self
1942	}	2072	}
1943		2073
1944	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2075	sub load_neighbours {
1946	my ($map) = @_;	2076	my ($map) = @_;
1947		2077
1948	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1949		2079
1950	for (0 .. 3) {	2080	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1952	or next;	2082	or next;
1953	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1954	or next;	2084	or next;
1955	$neigh->load;	2085	$neigh->load;
1956		2086
		2087	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2090	}
1960		2091
1961	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1963	or next;	2095	or next;
1964	$neigh->load;	2096	$neigh->load;
1965	}	2097	}
1966	}	2098	}
1967		2099
…		…
1972	}	2104	}
1973		2105
1974	sub do_load_sync {	2106	sub do_load_sync {
1975	my ($map) = @_;	2107	my ($map) = @_;
1976		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1977	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1978	}	2113	}
1979		2114
1980	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1982		2117
1983	sub find_async {	2118	sub find_async {
1984	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1985		2120
1986	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1987		2122
1988	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2125	}
1991		2126
1992	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1993	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1994	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2134	if (my $map = find $k) {
1997	$map->load;	2135	$map->load if $v;
1998	}	2136	}
1999		2137
2000	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
2001	}	2139	}
2002	}	2140	}
2003	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
2004	};	2142	};
2005	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
2008	}	2146	}
2009		2147
2010	sub save {	2148	sub save {
2011	my ($self) = @_;	2149	my ($self) = @_;
2012		2150
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
2014		2152
2015	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
2016		2154
2017	return unless $self->dirty;	2155	return unless $self->dirty;
2018		2156
…		…
2024	return if $self->{deny_save};	2162	return if $self->{deny_save};
2025		2163
2026	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
2027		2165
2028	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2030	};	2169	};
		2170
		2171	cf::get_slot 0.02;
2031		2172
2032	if ($uniq) {	2173	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2176	} else {
…		…
2041	my ($self) = @_;	2182	my ($self) = @_;
2042		2183
2043	# save first because save cedes	2184	# save first because save cedes
2044	$self->save;	2185	$self->save;
2045		2186
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2188
2048	return if $self->players;	2189	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2050	return if $self->{deny_save};	2191	return if $self->{deny_save};
2051		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
2052	$self->clear;	2197	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2198	}
2055		2199
2056	sub reset_at {	2200	sub reset_at {
2057	my ($self) = @_;	2201	my ($self) = @_;
2058		2202
…		…
2090	if $uniq;	2234	if $uniq;
2091	}	2235	}
2092		2236
2093	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
2094		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2241	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2242
2099	$self->unlink_save;	2243	$self->unlink_save;
2100	$self->destroy;	2244	$self->destroy;
2101	}	2245	}
2102		2246
2103	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
2104		2248
2105	sub nuke {	2249	sub nuke {
2106	my ($self) = @_;	2250	my ($self) = @_;
2107		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
2108	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
2109		2256
2110	$self->unlink_save;	2257	$self->unlink_save;
2111		2258
2112	bless $self, "cf::map";	2259	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2264
2118	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
2119		2267
2120	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
2121	}	2269	}
2122		2270
2123	=item $maps = cf::map::tmp_maps	2271	=item $maps = cf::map::tmp_maps
…		…
2165		2313
2166	sub unique_maps() {	2314	sub unique_maps() {
2167	[	2315	[
2168	map {	2316	map {
2169	utf8::decode $_;	2317	utf8::decode $_;
2170	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2171	? normalise $_	2321	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2323	]
2175	}	2324	}
2176		2325
2177	package cf;
2178
2179	=back	2326	=back
2180		2327
2181	=head3 cf::object	2328	=head3 cf::object
2182		2329
2183	=cut	2330	=cut
…		…
2186		2333
2187	=over 4	2334	=over 4
2188		2335
2189	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2190		2337
2191	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2192		2340
2193	=cut	2341	=cut
2194		2342
2195	sub inv_recursive_;	2343	sub inv_recursive_;
2196	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2199		2347
2200	sub inv_recursive {	2348	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2202	}	2350	}
2203		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
2204	package cf;	2380	package cf;
2205		2381
2206	=back	2382	=back
2207		2383
2208	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2217		2393
2218	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
2219		2409
2220	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2411	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2427
2238	} else {	2428	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2431	}
2242	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
2243	}	2443	}
2244		2444
2245	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
2246		2446
2247	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
2260		2460
2261	=item $player_object->enter_link	2461	=item $player_object->enter_link
2262		2462
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2464
2265	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2267		2469
2268	Will never block.	2470	Will never block.
2269		2471
2270	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2271		2473
…		…
2326	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
2329		2531
2330	$map->load;	2532	$map->load;
2331	$map->load_diag;	2533	$map->load_neighbours;
2332		2534
2333	return unless $self->contr->active;	2535	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2536
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
2338	}	2542	}
2339		2543
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2341		2545
2342	Moves the player to the given map-path and coordinates by first freezing	2546	Moves the player to the given map-path and coordinates by first freezing
2343	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2548	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2549	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2550	be called at the end of this process.
2347		2551
		2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
		2554
2348	=cut	2555	=cut
2349		2556
2350	our $GOTOGEN;	2557	our $GOTOGEN;
2351		2558
2352	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2564
2358	$self->enter_link;	2565	$self->enter_link;
2359		2566
2360	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
2361	my $map = eval {	2589	my $map = eval {
2362	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
2363		2591
2364	if ($map) {	2592	if ($map) {
2365	$map = $map->customise_for ($self);	2593	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2594	$map = $check->($map) if $check && $map;
2367	} else {	2595	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2597	}
2370		2598
2371	$map	2599	$map
2372	};	2600	};
2373		2601
…		…
2409	}	2637	}
2410		2638
2411	sub prepare_random_map {	2639	sub prepare_random_map {
2412	my ($exit) = @_;	2640	my ($exit) = @_;
2413		2641
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2644	# that depends on the exit object
2419		2645
2420	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2648	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2427	}	2655	}
2428		2656
2429	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2430		2658
2431	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2434		2662
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2665	undef $fh;
2438	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2439		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2442	}	2674	}
2443	}	2675	}
2444		2676
2445	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2447		2679
2448	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2449		2681
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2682	$self->enter_link;
2462		2683
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2684	(async {
2468	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
2469	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2470	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2471		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2472	1;	2708	1
2473	}) {	2709	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2714
2479	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2743	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2744	the message unless the client supports the msg packet.
2509		2745
2510	=cut	2746	=cut
2511		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
2512	sub cf::client::send_msg {	2850	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2851	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2852
2515	$msg = $self->pl->expand_cfpod ($msg);	2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
2516		2855
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
2519	if (ref $channel) {	2865	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	2866	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	2867	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	2868	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	2869	$self->ext_msg (channel_info => $channel);
2524	}	2870	}
…		…
2526	$channel = $channel->{id};	2872	$channel = $channel->{id};
2527	}	2873	}
2528		2874
2529	return unless @extra || length $msg;	2875	return unless @extra || length $msg;
2530		2876
2531	if ($self->can_msg) {	2877	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	2879	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		2880
2544	if ($color >= 0) {	2881	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	2882	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	2884	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2885
2549	$self->send_packet ("drawinfo $color $msg")	2886	# try lzf for large packets
2550	}	2887	$pkt = "lzf " . Compress::LZF::compress $pkt
2551	}	2888	if 1024 <= length $pkt and $self->{can_lzf};
		2889
		2890	# split very large packets
		2891	if (8192 < length $pkt and $self->{can_lzf}) {
		2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2893	$pkt = "frag";
2552	}	2894	}
		2895
		2896	$self->send_packet ($pkt);
2553	}	2897	}
2554		2898
2555	=item $client->ext_msg ($type, @msg)	2899	=item $client->ext_msg ($type, @msg)
2556		2900
2557	Sends an ext event to the client.	2901	Sends an ext event to the client.
…		…
2559	=cut	2903	=cut
2560		2904
2561	sub cf::client::ext_msg($$@) {	2905	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	2906	my ($self, $type, @msg) = @_;
2563		2907
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	2908	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	2910	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	2911	push @msg, msgtype => "event_$type";
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	2931	}
2572	}	2932	}
2573		2933
2574	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
…		…
2636	my ($type, $reply, @payload) =	2996	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	2997	"ARRAY" eq ref $msg
2638	? @$msg	2998	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3000
		3001	my @reply;
		3002
2641	if (my $cb = $EXTICMD{$type}) {	3003	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3004	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
2647	} else {	3010	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3012	}
2650		3013
2651	cf::override;	3014	cf::override;
…		…
2698	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2700		3063
2701	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2702		3065
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3066	$safe->permit_only (Opcode::opset qw(
		3067	:base_core :base_mem :base_orig :base_math
		3068	grepstart grepwhile mapstart mapwhile
		3069	sort time
		3070	));
2704		3071
2705	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2706		3073
2707	=pod	3074	=pod
2708		3075
2709	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2710		3077
2711	cf::object	3078	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3079	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3080	insert remove name archname title slaying race decrease split
		3081	value
2714		3082
2715	cf::object::player	3083	cf::object::player
2716	player	3084	player
2717		3085
2718	cf::player	3086	cf::player
…		…
2723		3091
2724	=cut	3092	=cut
2725		3093
2726	for (	3094	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2732	) {	3101	) {
2733	no strict 'refs';	3102	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2752	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2753		3122
2754	my $qcode = $code;	3123	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2757		3128
2758	local $_;	3129	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2760		3131
2761	my $eval =	3132	my $eval =
…		…
2809	# the server's init and main functions	3180	# the server's init and main functions
2810		3181
2811	sub load_facedata($) {	3182	sub load_facedata($) {
2812	my ($path) = @_;	3183	my ($path) = @_;
2813		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
2814	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2815		3192
2816	my $facedata;	3193	my $facedata;
2817	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3195	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2821		3198
2822	$facedata->{version} == 2	3199	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2825	{	3209	{
2826	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2827		3211
2828	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2830	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3219
2835	cf::cede_to_tick;	3220	cf::cede_to_tick;
2836	}	3221	}
2837		3222
2838	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2840	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2841	or next;	3227	or next;
		3228
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3232	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3250
2864	{	3251	{
2865	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	if (my $soundconf = delete $res->{"res/sound.conf"}) {
2871	$soundconf = $enc->decode (delete $soundconf->{data});
2872	# todo
2873	}
2874		3255
2875	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
2876	my $meta = $enc->encode ({	3257	if (defined $info->{type}) {
2877	name => $name,
2878	%{ $info->{meta} || {} },
2879	});
2880
2881	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
2882		3260
2883	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
2884	# prepend meta info	3262	# prepend meta info
2885		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
2886	my $data = pack "(w/a*)*", $meta, $info->{data};	3269	$data = pack "(w/a*)*", $meta, $info->{data};
2887	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3270	} else {
		3271	$data = $info->{data};
		3272	}
2888		3273
2889	cf::face::set_data $idx, 0, $data, $chk;	3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
2890	} else {	3276	} else {
2891	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3277	$RESOURCE{$name} = $info;
2892	}	3278	}
2893		3279
2894	cf::face::set_type $idx, $info->{type};
2895
2896	cf::cede_to_tick;	3280	cf::cede_to_tick;
2897	}	3281	}
2898	}	3282	}
2899		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2900	1	3286	1
2901	}	3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
2902		3308
2903	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
2904	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
2905		3311
2906	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
2907	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
2908	}	3314	}
2909	};	3315	};
2910		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2911	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2912	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2913	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
2914		3334
2915	for (cf::region::list) {	3335	for (cf::region::list) {
2916	$_->{match} = qr/$_->{match}/	3336	$_->{match} = qr/$_->{match}/
…		…
2924	}	3344	}
2925		3345
2926	sub reload_archetypes {	3346	sub reload_archetypes {
2927	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
2928	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
2929	#d# NEED to laod twice to resolve forward references
2930	# this really needs to be done in an extra post-pass
2931	# (which needs to be synchronous, so solve it differently)
2932	load_resource_file "$DATADIR/archetypes"
2933	or die "unable to load archetypes\n";
2934	}	3349	}
2935		3350
2936	sub reload_treasures {	3351	sub reload_treasures {
2937	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
2938	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
2939	}	3354	}
2940		3355
2941	sub reload_resources {	3356	sub reload_resources {
2942	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2943		3358
		3359	reload_facedata;
		3360	reload_archetypes;
2944	reload_regions;	3361	reload_regions;
2945	reload_facedata;
2946	#reload_archetypes;#d#
2947	reload_archetypes;
2948	reload_treasures;	3362	reload_treasures;
2949		3363
2950	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2951	}	3365	}
2952		3366
2953	sub init {	3367	sub reload_config {
2954	reload_resources;
2955	}
2956
2957	sub cfg_load {
2958	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2959	or return;	3369	or return;
2960		3370
2961	local $/;	3371	local $/;
2962	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2963		3373
2964	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2965		3375
2966	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2967	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2973	};	3383	};
2974	warn $@ if $@;	3384	warn $@ if $@;
2975	}	3385	}
2976	}	3386	}
2977		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
2978	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2979	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2980	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2981	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2982	(async {	3434	(async {
2983	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2984	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2985	};	3438	};
2986		3439
2987	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
2988	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
2989	load_extensions;	3458	load_extensions;
2990		3459
2991	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
2992	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
2993	}	3470	}
2994		3471
2995	#############################################################################	3472	#############################################################################
2996	# initialisation and cleanup	3473	# initialisation and cleanup
2997		3474
2998	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2999	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
3000	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
3001	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3002	reentrant => 0,
3003	data => WF_AUTOCANCEL,
3004	signal => $signal,
3005	prio => 0,
3006	cb => sub {
3007	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
3008	},
3009	);	3481	};
3010	}	3482	}
3011	}	3483	}
3012		3484
3013	sub write_runtime {	3485	sub write_runtime_sync {
3014	my $runtime = "$LOCALDIR/runtime";
3015
3016	# first touch the runtime file to show we are still running:	3486	# first touch the runtime file to show we are still running:
3017	# the fsync below can take a very very long time.	3487	# the fsync below can take a very very long time.
3018		3488
3019	IO::AIO::aio_utime $runtime, undef, undef;	3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3020		3490
3021	my $guard = cf::lock_acquire "write_runtime";	3491	my $guard = cf::lock_acquire "write_runtime";
3022		3492
3023	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3024	or return;	3494	or return;
3025		3495
3026	my $value = $cf::RUNTIME + 90 + 10;	3496	my $value = $cf::RUNTIME + 90 + 10;
3027	# 10 is the runtime save interval, for a monotonic clock	3497	# 10 is the runtime save interval, for a monotonic clock
3028	# 60 allows for the watchdog to kill the server.	3498	# 60 allows for the watchdog to kill the server.
…		…
3038	aio_utime $fh, undef, undef;	3508	aio_utime $fh, undef, undef;
3039		3509
3040	close $fh	3510	close $fh
3041	or return;	3511	or return;
3042		3512
3043	aio_rename "$runtime~", $runtime	3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3044	and return;	3514	and return;
3045		3515
3046	warn "runtime file written.\n";	3516	warn "runtime file written.\n";
3047		3517
3048	1	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
3049	}	3569	}
3050		3570
3051	sub emergency_save() {	3571	sub emergency_save() {
3052	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
3053		3573
3054	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
3055		3575
3056	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
3057	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
3058	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
3059	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
3060	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
3061	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
3062	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
3063	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3064	$pl->save;	3590	$pl->save;
3065	}	3591	}
3066	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
3067		3593
3068	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
3069	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
3070	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
3071	$map->valid or next;	3597	$map->valid or next;
3072	$map->save;	3598	$map->save;
3073	}	3599	}
3074	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
3075		3601
3076	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
3077	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
3078	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
3079	};	3609	};
3080		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
3081	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
3082	}	3617	}
3083		3618
3084	sub post_cleanup {	3619	sub post_cleanup {
3085	my ($make_core) = @_;	3620	my ($make_core) = @_;
3086		3621
3087	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
3088	if $make_core;	3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
3089	}	3653	}
3090		3654
3091	sub do_reload_perl() {	3655	sub do_reload_perl() {
3092	# can/must only be called in main	3656	# can/must only be called in main
3093	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
3094	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
3095	return;	3659	return;
3096	}	3660	}
3097		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
3098	warn "reloading...";	3667	warn "reloading...";
3099		3668
3100	warn "entering sync_job";	3669	warn "entering sync_job";
3101		3670
3102	cf::sync_job {	3671	cf::sync_job {
3103	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
3104	cf::emergency_save;	3673	cf::emergency_save;
3105	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3106		3675
3107	warn "syncing database to disk";	3676	warn "syncing database to disk";
3108	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3109		3678
3110	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
3111		3680
3112	warn "cancelling all WF_AUTOCANCEL watchers";
3113	for (Event::all_watchers) {
3114	$_->cancel if $_->data & WF_AUTOCANCEL;
3115	}
3116
3117	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
3118	for (;;) {
3119	BDB::flush;
3120	IO::AIO::flush;
3121	Coro::cede;
3122	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
3123	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3124	}
3125
3126	++$RELOAD;
3127
3128	warn "cancelling all extension coros";
3129	$_->cancel for values %EXT_CORO;
3130	%EXT_CORO = ();
3131
3132	warn "removing commands";
3133	%COMMAND = ();
3134
3135	warn "removing ext/exti commands";
3136	%EXTCMD = ();
3137	%EXTICMD = ();
3138
3139	warn "unloading/nuking all extensions";
3140	for my $pkg (@EXTS) {
3141	warn "... unloading $pkg";
3142
3143	if (my $cb = $pkg->can ("unload")) {
3144	eval {
3145	$cb->($pkg);
3146	1
3147	} or warn "$pkg unloaded, but with errors: $@";
3148	}	3684	}
3149		3685
3150	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
3151	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
3152	}	3688	%EXT_CORO = ();
3153		3689
3154	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
3155	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
3156	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3157		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
3158	warn "... unloading $k";	3699	warn "... unloading $pkg";
3159	delete $INC{$k};
3160		3700
3161	$k =~ s/\.pm$//;
3162	$k =~ s/\//::/g;
3163
3164	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
3165	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
3166	}	3710	}
3167		3711
3168	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
3169	}	3727	}
3170		3728
3171	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
3172	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
3173	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3174		3732
3175	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
3176	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
3177	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3178		3736
3179	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
3180	# and global variables created in xs	3738	# and global variables created in xs
3181	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
3182		3740
3183	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
3184		3742
3185	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
3186	require cf;	3744	require cf;
3187	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3188		3746
3189	warn "loading config and database again";	3747	warn "loading config and database again";
3190	cf::cfg_load;	3748	cf::reload_config;
3191		3749
3192	warn "loading extensions";	3750	warn "loading extensions";
3193	cf::load_extensions;	3751	cf::load_extensions;
3194		3752
		3753	if ($REATTACH_ON_RELOAD) {
3195	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
3196	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
3197	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
3198	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
3199	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
3200	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
3201		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
3202	warn "leaving sync_job";	3765	warn "leaving sync_job";
3203		3766
3204	1	3767	1
3205	} or do {	3768	} or do {
3206	warn $@;	3769	warn $@;
3207	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
3208	exit 1;
3209	};	3771	};
3210		3772
3211	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
3212	};	3779	};
3213		3780
3214	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
3215		3782
3216	sub reload_perl() {	3783	sub reload_perl() {
3217	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
3218	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
3219		3786
3220	$RELOAD_WATCHER ||= Event->timer (	3787	$RELOAD_WATCHER ||= cf::async {
3221	reentrant => 0,	3788	Coro::AIO::aio_wait cache_extensions;
3222	after => 0,	3789
3223	data => WF_AUTOCANCEL,	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3224	cb => sub {
3225	do_reload_perl;	3791	do_reload_perl;
3226	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
3227	},	3793	};
3228	);	3794	};
3229	}	3795	}
3230		3796
3231	register_command "reload" => sub {	3797	register_command "reload" => sub {
3232	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
3233		3799
3234	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
3235	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
		3802	async {
		3803	$Coro::current->{desc} = "perl_reload";
3236	async { reload_perl };	3804	reload_perl;
		3805	};
3237	}	3806	}
3238	};	3807	};
3239		3808
3240	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
3241		3810
…		…
3243		3812
3244	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
3245	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
3246		3815
3247	sub wait_for_tick {	3816	sub wait_for_tick {
3248	return unless $TICK_WATCHER->is_active;
3249	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
3250		3818
3251	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
3252	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
3253	$signal->wait;	3821	$signal->wait;
3254	}	3822	}
3255		3823
3256	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
3257	return unless $TICK_WATCHER->is_active;
3258	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
3259		3826
3260	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
3261	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
3262	$signal->wait;	3829	$signal->wait;
3263	}	3830	}
3264		3831
3265	my $min = 1e6;#d#	3832	sub tick {
3266	my $avg = 10;
3267	$TICK_WATCHER = Event->timer (
3268	reentrant => 0,
3269	parked => 1,
3270	prio => 0,
3271	at => $NEXT_TICK || $TICK,
3272	data => WF_AUTOCANCEL,
3273	cb => sub {
3274	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
3275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3276	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
3277	return;	3836	return;
3278	}	3837	}
3279		3838
3280	$NOW = $tick_start = Event::time;
3281
3282	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
3283		3840
3284	0 && sync_job {#d#	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3285	for(1..10) {	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3286	my $t = Event::time;	3843	Coro::async_pool {
3287	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3844	$Coro::current->{desc} = "runtime saver";
3288	or die;	3845	write_runtime_sync
3289		3846	or warn "ERROR: unable to write runtime file: $!";
3290	$map->width (50);
3291	$map->height (50);
3292	$map->alloc;
3293	$map->_load_objects ("/tmp/x.map", 1);
3294	my $t = Event::time - $t;
3295
3296	#next unless $t < 0.0013;#d#
3297	if ($t < $min) {
3298	$min = $t;
3299	}
3300	$avg = $avg * 0.99 + $t * 0.01;
3301	}
3302	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3303	exit 0;
3304	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3305	};	3847	};
		3848	}
3306		3849
3307	$RUNTIME += $TICK;
3308	$NEXT_TICK += $TICK;
3309
3310	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3311	$NEXT_RUNTIME_WRITE = $NOW + 10;
3312	Coro::async_pool {
3313	write_runtime
3314	or warn "ERROR: unable to write runtime file: $!";
3315	};
3316	}
3317
3318	# my $AFTER = Event::time;
3319	# warn $AFTER - $NOW;#d#
3320
3321	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3322	$sig->send;	3851	$sig->send;
3323	}	3852	}
3324	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
3325	$sig->send;	3854	$sig->send;
3326	}	3855	}
3327		3856
3328	$NOW = Event::time;	3857	$LOAD = ($NOW - $TICK_START) / $TICK;
3329
3330	# if we are delayed by four ticks or more, skip them all
3331	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3332
3333	$TICK_WATCHER->at ($NEXT_TICK);
3334	$TICK_WATCHER->start;
3335
3336	$LOAD = ($NOW - $tick_start) / $TICK;
3337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3338		3859
3339	_post_tick;	3860	if (0) {
3340		3861	if ($NEXT_TICK) {
3341		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
3342	},	3866	}
3343	);	3867	}
3344		3868
3345	{	3869	{
3346	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
3347	$BDB_POLL_WATCHER = Event->io (	3871
3348	reentrant => 0,
3349	fd => BDB::poll_fileno,
3350	poll => 'r',
3351	prio => 0,
3352	data => WF_AUTOCANCEL,
3353	cb => \&BDB::poll_cb,
3354	);
3355	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
3356		3873	BDB::max_poll_reqs $TICK * 0.1;
3357	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
3358	my $status;
3359	my $current = $Coro::current;
3360	(
3361	sub {
3362	$status = $!;
3363	$current->ready; undef $current;
3364	},
3365	sub {
3366	Coro::schedule while defined $current;
3367	$! = $status;
3368	},
3369	)
3370	};
3371		3875
3372	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3373	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3374		3883
3375	cf::sync_job {	3884	cf::sync_job {
3376	eval {	3885	eval {
3377	BDB::db_env_open	3886	BDB::db_env_open
3378	$DB_ENV,	3887	$DB_ENV,
…		…
3380	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3381	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3382	0666;	3891	0666;
3383		3892
3384	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3385
3386	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3387	$DB_ENV->set_lk_detect;
3388	};	3894	};
3389		3895
3390	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
3391	};	3897	};
3392	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
3393	}	3909	}
3394		3910
3395	{	3911	{
		3912	# configure IO::AIO
		3913
3396	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3397
3398	undef $Coro::AIO::WATCHER;
3399	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3400	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
3401	reentrant => 0,
3402	data => WF_AUTOCANCEL,
3403	fd => IO::AIO::poll_fileno,
3404	poll => 'r',
3405	prio => 6,
3406	cb => \&IO::AIO::poll_cb,
3407	);
3408	}	3917	}
3409		3918
3410	my $_log_backtrace;	3919	my $_log_backtrace;
3411		3920
3412	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3415	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3416		3925
3417	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3418	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3419	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3420	async {	3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
3421	my @bt = fork_call {	3933	my @bt = fork_call {
3422	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
3423	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3424	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3425	or die "addr2line: $!";	3937	or die "addr2line: $!";
…		…
3433	}	3945	}
3434		3946
3435	@funcs	3947	@funcs
3436	};	3948	};
3437		3949
3438	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3439	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3440	--$_log_backtrace;	3953	--$_log_backtrace;
3441	};	3954	};
3442	} else {	3955	} else {
3443	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3444	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3445	}	3958	}
3446	}	3959	}
3447		3960
3448	# load additional modules	3961	# load additional modules
3449	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3450		3963
3451	END { cf::emergency_save }	3964	END { cf::emergency_save }
3452		3965
3453	1	3966	1
3454		3967

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